[ 78.317261][ C0] hrtimer: interrupt took 3686902 ns [ 148.863325][ T989] u32 classifier [ 148.863487][ T989] input device check on [ 148.863857][ T989] Actions configured [ 150.375612][ T1008] gre: GRE over IPv4 demultiplexor driver [ 150.398273][ T1008] ip_gre: GRE over IPv4 tunneling driver [ 155.086570][ T1069] ip6_gre: GRE over IPv6 tunneling driver [ 165.661722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 165.662333][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 165.662333][ T1076] netdev_get_by_index+0x5e/0x80 [ 165.662333][ T1076] fib6_nh_init+0x3d8/0x1580 [ 165.662333][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 165.662333][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 165.662333][ T1076] ipv6_add_addr+0x411/0x2000 [ 165.662333][ T1076] inet6_addr_add+0x30e/0xa40 [ 165.662333][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 165.662333][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 165.662333][ T1076] netlink_rcv_skb+0x130/0x360 [ 165.662333][ T1076] netlink_unicast+0x449/0x710 [ 165.662333][ T1076] netlink_sendmsg+0x723/0xbe0 [ 165.662333][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 165.662333][ T1076] ___sys_sendmsg+0xee/0x170 [ 165.662333][ T1076] __sys_sendmsg+0xcd/0x170 [ 165.662333][ T1076] do_syscall_64+0xc6/0x1e0 [ 165.662333][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 165.662333][ T1076] [ 165.665118][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 165.665118][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 165.665118][ T1076] ipv6_find_idev+0x102/0x170 [ 165.665118][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 165.665118][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 165.665118][ T1076] netlink_rcv_skb+0x130/0x360 [ 165.665118][ T1076] netlink_unicast+0x449/0x710 [ 165.665118][ T1076] netlink_sendmsg+0x723/0xbe0 [ 165.665118][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 165.665118][ T1076] ___sys_sendmsg+0xee/0x170 [ 165.665118][ T1076] __sys_sendmsg+0xcd/0x170 [ 165.665118][ T1076] do_syscall_64+0xc6/0x1e0 [ 165.665118][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 165.665118][ T1076] [ 165.666921][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 165.666921][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 165.666921][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 165.666921][ T1076] ipv6_find_idev+0x102/0x170 [ 165.666921][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 165.666921][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 165.666921][ T1076] netlink_rcv_skb+0x130/0x360 [ 165.666921][ T1076] netlink_unicast+0x449/0x710 [ 165.666921][ T1076] netlink_sendmsg+0x723/0xbe0 [ 165.666921][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 165.666921][ T1076] ___sys_sendmsg+0xee/0x170 [ 165.666921][ T1076] __sys_sendmsg+0xcd/0x170 [ 165.666921][ T1076] do_syscall_64+0xc6/0x1e0 [ 165.666921][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 165.666921][ T1076] [ 175.909769][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 175.910280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 175.910280][ T1076] netdev_get_by_index+0x5e/0x80 [ 175.910280][ T1076] fib6_nh_init+0x3d8/0x1580 [ 175.910280][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 175.910280][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 175.910280][ T1076] ipv6_add_addr+0x411/0x2000 [ 175.910280][ T1076] inet6_addr_add+0x30e/0xa40 [ 175.910280][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 175.910280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.910280][ T1076] netlink_rcv_skb+0x130/0x360 [ 175.910280][ T1076] netlink_unicast+0x449/0x710 [ 175.910280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 175.910280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 175.910280][ T1076] ___sys_sendmsg+0xee/0x170 [ 175.910280][ T1076] __sys_sendmsg+0xcd/0x170 [ 175.910280][ T1076] do_syscall_64+0xc6/0x1e0 [ 175.910280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.910280][ T1076] [ 175.912786][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 175.912786][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 175.912786][ T1076] ipv6_find_idev+0x102/0x170 [ 175.912786][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 175.912786][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.912786][ T1076] netlink_rcv_skb+0x130/0x360 [ 175.912786][ T1076] netlink_unicast+0x449/0x710 [ 175.912786][ T1076] netlink_sendmsg+0x723/0xbe0 [ 175.912786][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 175.912786][ T1076] ___sys_sendmsg+0xee/0x170 [ 175.912786][ T1076] __sys_sendmsg+0xcd/0x170 [ 175.912786][ T1076] do_syscall_64+0xc6/0x1e0 [ 175.912786][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.912786][ T1076] [ 175.914675][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 175.914675][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 175.914675][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 175.914675][ T1076] ipv6_find_idev+0x102/0x170 [ 175.914675][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 175.914675][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.914675][ T1076] netlink_rcv_skb+0x130/0x360 [ 175.914675][ T1076] netlink_unicast+0x449/0x710 [ 175.914675][ T1076] netlink_sendmsg+0x723/0xbe0 [ 175.914675][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 175.914675][ T1076] ___sys_sendmsg+0xee/0x170 [ 175.914675][ T1076] __sys_sendmsg+0xcd/0x170 [ 175.914675][ T1076] do_syscall_64+0xc6/0x1e0 [ 175.914675][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.914675][ T1076] [ 186.157716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 186.158241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 186.158241][ T1076] netdev_get_by_index+0x5e/0x80 [ 186.158241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 186.158241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 186.158241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 186.158241][ T1076] ipv6_add_addr+0x411/0x2000 [ 186.158241][ T1076] inet6_addr_add+0x30e/0xa40 [ 186.158241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 186.158241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 186.158241][ T1076] netlink_rcv_skb+0x130/0x360 [ 186.158241][ T1076] netlink_unicast+0x449/0x710 [ 186.158241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 186.158241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 186.158241][ T1076] ___sys_sendmsg+0xee/0x170 [ 186.158241][ T1076] __sys_sendmsg+0xcd/0x170 [ 186.158241][ T1076] do_syscall_64+0xc6/0x1e0 [ 186.158241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 186.158241][ T1076] [ 186.160552][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 186.160552][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 186.160552][ T1076] ipv6_find_idev+0x102/0x170 [ 186.160552][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 186.160552][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 186.160552][ T1076] netlink_rcv_skb+0x130/0x360 [ 186.160552][ T1076] netlink_unicast+0x449/0x710 [ 186.160552][ T1076] netlink_sendmsg+0x723/0xbe0 [ 186.160552][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 186.160552][ T1076] ___sys_sendmsg+0xee/0x170 [ 186.160552][ T1076] __sys_sendmsg+0xcd/0x170 [ 186.160552][ T1076] do_syscall_64+0xc6/0x1e0 [ 186.160552][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 186.160552][ T1076] [ 186.162322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 186.162322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 186.162322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 186.162322][ T1076] ipv6_find_idev+0x102/0x170 [ 186.162322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 186.162322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 186.162322][ T1076] netlink_rcv_skb+0x130/0x360 [ 186.162322][ T1076] netlink_unicast+0x449/0x710 [ 186.162322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 186.162322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 186.162322][ T1076] ___sys_sendmsg+0xee/0x170 [ 186.162322][ T1076] __sys_sendmsg+0xcd/0x170 [ 186.162322][ T1076] do_syscall_64+0xc6/0x1e0 [ 186.162322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 186.162322][ T1076] [ 196.405705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 196.406243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 196.406243][ T1076] netdev_get_by_index+0x5e/0x80 [ 196.406243][ T1076] fib6_nh_init+0x3d8/0x1580 [ 196.406243][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 196.406243][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 196.406243][ T1076] ipv6_add_addr+0x411/0x2000 [ 196.406243][ T1076] inet6_addr_add+0x30e/0xa40 [ 196.406243][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 196.406243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 196.406243][ T1076] netlink_rcv_skb+0x130/0x360 [ 196.406243][ T1076] netlink_unicast+0x449/0x710 [ 196.406243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 196.406243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 196.406243][ T1076] ___sys_sendmsg+0xee/0x170 [ 196.406243][ T1076] __sys_sendmsg+0xcd/0x170 [ 196.406243][ T1076] do_syscall_64+0xc6/0x1e0 [ 196.406243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 196.406243][ T1076] [ 196.408537][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 196.408537][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 196.408537][ T1076] ipv6_find_idev+0x102/0x170 [ 196.408537][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 196.408537][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 196.408537][ T1076] netlink_rcv_skb+0x130/0x360 [ 196.408537][ T1076] netlink_unicast+0x449/0x710 [ 196.408537][ T1076] netlink_sendmsg+0x723/0xbe0 [ 196.408537][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 196.408537][ T1076] ___sys_sendmsg+0xee/0x170 [ 196.408537][ T1076] __sys_sendmsg+0xcd/0x170 [ 196.408537][ T1076] do_syscall_64+0xc6/0x1e0 [ 196.408537][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 196.408537][ T1076] [ 196.410290][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 196.410290][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 196.410290][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 196.410290][ T1076] ipv6_find_idev+0x102/0x170 [ 196.410290][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 196.410290][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 196.410290][ T1076] netlink_rcv_skb+0x130/0x360 [ 196.410290][ T1076] netlink_unicast+0x449/0x710 [ 196.410290][ T1076] netlink_sendmsg+0x723/0xbe0 [ 196.410290][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 196.410290][ T1076] ___sys_sendmsg+0xee/0x170 [ 196.410290][ T1076] __sys_sendmsg+0xcd/0x170 [ 196.410290][ T1076] do_syscall_64+0xc6/0x1e0 [ 196.410290][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 196.410290][ T1076] [ 206.813715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 206.814216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 206.814216][ T1076] netdev_get_by_index+0x5e/0x80 [ 206.814216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 206.814216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 206.814216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 206.814216][ T1076] ipv6_add_addr+0x411/0x2000 [ 206.814216][ T1076] inet6_addr_add+0x30e/0xa40 [ 206.814216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 206.814216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.814216][ T1076] netlink_rcv_skb+0x130/0x360 [ 206.814216][ T1076] netlink_unicast+0x449/0x710 [ 206.814216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 206.814216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 206.814216][ T1076] ___sys_sendmsg+0xee/0x170 [ 206.814216][ T1076] __sys_sendmsg+0xcd/0x170 [ 206.814216][ T1076] do_syscall_64+0xc6/0x1e0 [ 206.814216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.814216][ T1076] [ 206.816610][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 206.816610][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 206.816610][ T1076] ipv6_find_idev+0x102/0x170 [ 206.816610][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 206.816610][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.816610][ T1076] netlink_rcv_skb+0x130/0x360 [ 206.816610][ T1076] netlink_unicast+0x449/0x710 [ 206.816610][ T1076] netlink_sendmsg+0x723/0xbe0 [ 206.816610][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 206.816610][ T1076] ___sys_sendmsg+0xee/0x170 [ 206.816610][ T1076] __sys_sendmsg+0xcd/0x170 [ 206.816610][ T1076] do_syscall_64+0xc6/0x1e0 [ 206.816610][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.816610][ T1076] [ 206.818413][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 206.818413][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 206.818413][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 206.818413][ T1076] ipv6_find_idev+0x102/0x170 [ 206.818413][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 206.818413][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.818413][ T1076] netlink_rcv_skb+0x130/0x360 [ 206.818413][ T1076] netlink_unicast+0x449/0x710 [ 206.818413][ T1076] netlink_sendmsg+0x723/0xbe0 [ 206.818413][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 206.818413][ T1076] ___sys_sendmsg+0xee/0x170 [ 206.818413][ T1076] __sys_sendmsg+0xcd/0x170 [ 206.818413][ T1076] do_syscall_64+0xc6/0x1e0 [ 206.818413][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.818413][ T1076] [ 216.909721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 216.910268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 216.910268][ T1076] netdev_get_by_index+0x5e/0x80 [ 216.910268][ T1076] fib6_nh_init+0x3d8/0x1580 [ 216.910268][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 216.910268][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 216.910268][ T1076] ipv6_add_addr+0x411/0x2000 [ 216.910268][ T1076] inet6_addr_add+0x30e/0xa40 [ 216.910268][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 216.910268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.910268][ T1076] netlink_rcv_skb+0x130/0x360 [ 216.910268][ T1076] netlink_unicast+0x449/0x710 [ 216.910268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 216.910268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 216.910268][ T1076] ___sys_sendmsg+0xee/0x170 [ 216.910268][ T1076] __sys_sendmsg+0xcd/0x170 [ 216.910268][ T1076] do_syscall_64+0xc6/0x1e0 [ 216.910268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.910268][ T1076] [ 216.913142][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 216.913142][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 216.913142][ T1076] ipv6_find_idev+0x102/0x170 [ 216.913142][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 216.913142][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.913142][ T1076] netlink_rcv_skb+0x130/0x360 [ 216.913142][ T1076] netlink_unicast+0x449/0x710 [ 216.913142][ T1076] netlink_sendmsg+0x723/0xbe0 [ 216.913142][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 216.913142][ T1076] ___sys_sendmsg+0xee/0x170 [ 216.913142][ T1076] __sys_sendmsg+0xcd/0x170 [ 216.913142][ T1076] do_syscall_64+0xc6/0x1e0 [ 216.913142][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.913142][ T1076] [ 216.915220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 216.915220][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 216.915220][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 216.915220][ T1076] ipv6_find_idev+0x102/0x170 [ 216.915220][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 216.915220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.915220][ T1076] netlink_rcv_skb+0x130/0x360 [ 216.915220][ T1076] netlink_unicast+0x449/0x710 [ 216.915220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 216.915220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 216.915220][ T1076] ___sys_sendmsg+0xee/0x170 [ 216.915220][ T1076] __sys_sendmsg+0xcd/0x170 [ 216.915220][ T1076] do_syscall_64+0xc6/0x1e0 [ 216.915220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.915220][ T1076] [ 227.053722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 227.054408][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 227.054408][ T1076] netdev_get_by_index+0x5e/0x80 [ 227.054408][ T1076] fib6_nh_init+0x3d8/0x1580 [ 227.054408][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 227.054408][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 227.054408][ T1076] ipv6_add_addr+0x411/0x2000 [ 227.054408][ T1076] inet6_addr_add+0x30e/0xa40 [ 227.054408][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 227.054408][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 227.054408][ T1076] netlink_rcv_skb+0x130/0x360 [ 227.054408][ T1076] netlink_unicast+0x449/0x710 [ 227.054408][ T1076] netlink_sendmsg+0x723/0xbe0 [ 227.054408][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 227.054408][ T1076] ___sys_sendmsg+0xee/0x170 [ 227.054408][ T1076] __sys_sendmsg+0xcd/0x170 [ 227.054408][ T1076] do_syscall_64+0xc6/0x1e0 [ 227.054408][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 227.054408][ T1076] [ 227.058371][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 227.058371][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 227.058371][ T1076] ipv6_find_idev+0x102/0x170 [ 227.058371][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 227.058371][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 227.058371][ T1076] netlink_rcv_skb+0x130/0x360 [ 227.058371][ T1076] netlink_unicast+0x449/0x710 [ 227.058371][ T1076] netlink_sendmsg+0x723/0xbe0 [ 227.058371][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 227.058371][ T1076] ___sys_sendmsg+0xee/0x170 [ 227.058371][ T1076] __sys_sendmsg+0xcd/0x170 [ 227.058371][ T1076] do_syscall_64+0xc6/0x1e0 [ 227.058371][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 227.058371][ T1076] [ 227.061301][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 227.061301][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 227.061301][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 227.061301][ T1076] ipv6_find_idev+0x102/0x170 [ 227.061301][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 227.061301][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 227.061301][ T1076] netlink_rcv_skb+0x130/0x360 [ 227.061301][ T1076] netlink_unicast+0x449/0x710 [ 227.061301][ T1076] netlink_sendmsg+0x723/0xbe0 [ 227.061301][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 227.061301][ T1076] ___sys_sendmsg+0xee/0x170 [ 227.061301][ T1076] __sys_sendmsg+0xcd/0x170 [ 227.061301][ T1076] do_syscall_64+0xc6/0x1e0 [ 227.061301][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 227.061301][ T1076] [ 237.301731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 237.302430][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 237.302430][ T1076] netdev_get_by_index+0x5e/0x80 [ 237.302430][ T1076] fib6_nh_init+0x3d8/0x1580 [ 237.302430][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 237.302430][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 237.302430][ T1076] ipv6_add_addr+0x411/0x2000 [ 237.302430][ T1076] inet6_addr_add+0x30e/0xa40 [ 237.302430][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 237.302430][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.302430][ T1076] netlink_rcv_skb+0x130/0x360 [ 237.302430][ T1076] netlink_unicast+0x449/0x710 [ 237.302430][ T1076] netlink_sendmsg+0x723/0xbe0 [ 237.302430][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 237.302430][ T1076] ___sys_sendmsg+0xee/0x170 [ 237.302430][ T1076] __sys_sendmsg+0xcd/0x170 [ 237.302430][ T1076] do_syscall_64+0xc6/0x1e0 [ 237.302430][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.302430][ T1076] [ 237.306160][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 237.306160][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 237.306160][ T1076] ipv6_find_idev+0x102/0x170 [ 237.306160][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 237.306160][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.306160][ T1076] netlink_rcv_skb+0x130/0x360 [ 237.306160][ T1076] netlink_unicast+0x449/0x710 [ 237.306160][ T1076] netlink_sendmsg+0x723/0xbe0 [ 237.306160][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 237.306160][ T1076] ___sys_sendmsg+0xee/0x170 [ 237.306160][ T1076] __sys_sendmsg+0xcd/0x170 [ 237.306160][ T1076] do_syscall_64+0xc6/0x1e0 [ 237.306160][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.306160][ T1076] [ 237.309067][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 237.309067][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 237.309067][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 237.309067][ T1076] ipv6_find_idev+0x102/0x170 [ 237.309067][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 237.309067][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.309067][ T1076] netlink_rcv_skb+0x130/0x360 [ 237.309067][ T1076] netlink_unicast+0x449/0x710 [ 237.309067][ T1076] netlink_sendmsg+0x723/0xbe0 [ 237.309067][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 237.309067][ T1076] ___sys_sendmsg+0xee/0x170 [ 237.309067][ T1076] __sys_sendmsg+0xcd/0x170 [ 237.309067][ T1076] do_syscall_64+0xc6/0x1e0 [ 237.309067][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.309067][ T1076] [ 247.565804][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 247.566285][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 247.566285][ T1076] netdev_get_by_index+0x5e/0x80 [ 247.566285][ T1076] fib6_nh_init+0x3d8/0x1580 [ 247.566285][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 247.566285][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 247.566285][ T1076] ipv6_add_addr+0x411/0x2000 [ 247.566285][ T1076] inet6_addr_add+0x30e/0xa40 [ 247.566285][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 247.566285][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 247.566285][ T1076] netlink_rcv_skb+0x130/0x360 [ 247.566285][ T1076] netlink_unicast+0x449/0x710 [ 247.566285][ T1076] netlink_sendmsg+0x723/0xbe0 [ 247.566285][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 247.566285][ T1076] ___sys_sendmsg+0xee/0x170 [ 247.566285][ T1076] __sys_sendmsg+0xcd/0x170 [ 247.566285][ T1076] do_syscall_64+0xc6/0x1e0 [ 247.566285][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 247.566285][ T1076] [ 247.568633][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 247.568633][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 247.568633][ T1076] ipv6_find_idev+0x102/0x170 [ 247.568633][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 247.568633][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 247.568633][ T1076] netlink_rcv_skb+0x130/0x360 [ 247.568633][ T1076] netlink_unicast+0x449/0x710 [ 247.568633][ T1076] netlink_sendmsg+0x723/0xbe0 [ 247.568633][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 247.568633][ T1076] ___sys_sendmsg+0xee/0x170 [ 247.568633][ T1076] __sys_sendmsg+0xcd/0x170 [ 247.568633][ T1076] do_syscall_64+0xc6/0x1e0 [ 247.568633][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 247.568633][ T1076] [ 247.570645][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 247.570645][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 247.570645][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 247.570645][ T1076] ipv6_find_idev+0x102/0x170 [ 247.570645][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 247.570645][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 247.570645][ T1076] netlink_rcv_skb+0x130/0x360 [ 247.570645][ T1076] netlink_unicast+0x449/0x710 [ 247.570645][ T1076] netlink_sendmsg+0x723/0xbe0 [ 247.570645][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 247.570645][ T1076] ___sys_sendmsg+0xee/0x170 [ 247.570645][ T1076] __sys_sendmsg+0xcd/0x170 [ 247.570645][ T1076] do_syscall_64+0xc6/0x1e0 [ 247.570645][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 247.570645][ T1076] [ 257.621795][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 257.622404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 257.622404][ T1076] netdev_get_by_index+0x5e/0x80 [ 257.622404][ T1076] fib6_nh_init+0x3d8/0x1580 [ 257.622404][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 257.622404][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 257.622404][ T1076] ipv6_add_addr+0x411/0x2000 [ 257.622404][ T1076] inet6_addr_add+0x30e/0xa40 [ 257.622404][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 257.622404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.622404][ T1076] netlink_rcv_skb+0x130/0x360 [ 257.622404][ T1076] netlink_unicast+0x449/0x710 [ 257.622404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 257.622404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 257.622404][ T1076] ___sys_sendmsg+0xee/0x170 [ 257.622404][ T1076] __sys_sendmsg+0xcd/0x170 [ 257.622404][ T1076] do_syscall_64+0xc6/0x1e0 [ 257.622404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.622404][ T1076] [ 257.626085][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 257.626085][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 257.626085][ T1076] ipv6_find_idev+0x102/0x170 [ 257.626085][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 257.626085][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.626085][ T1076] netlink_rcv_skb+0x130/0x360 [ 257.626085][ T1076] netlink_unicast+0x449/0x710 [ 257.626085][ T1076] netlink_sendmsg+0x723/0xbe0 [ 257.626085][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 257.626085][ T1076] ___sys_sendmsg+0xee/0x170 [ 257.626085][ T1076] __sys_sendmsg+0xcd/0x170 [ 257.626085][ T1076] do_syscall_64+0xc6/0x1e0 [ 257.626085][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.626085][ T1076] [ 257.628955][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 257.628955][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 257.628955][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 257.628955][ T1076] ipv6_find_idev+0x102/0x170 [ 257.628955][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 257.628955][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.628955][ T1076] netlink_rcv_skb+0x130/0x360 [ 257.628955][ T1076] netlink_unicast+0x449/0x710 [ 257.628955][ T1076] netlink_sendmsg+0x723/0xbe0 [ 257.628955][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 257.628955][ T1076] ___sys_sendmsg+0xee/0x170 [ 257.628955][ T1076] __sys_sendmsg+0xcd/0x170 [ 257.628955][ T1076] do_syscall_64+0xc6/0x1e0 [ 257.628955][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.628955][ T1076] [ 267.869743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 267.870454][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 267.870454][ T1076] netdev_get_by_index+0x5e/0x80 [ 267.870454][ T1076] fib6_nh_init+0x3d8/0x1580 [ 267.870454][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 267.870454][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 267.870454][ T1076] ipv6_add_addr+0x411/0x2000 [ 267.870454][ T1076] inet6_addr_add+0x30e/0xa40 [ 267.870454][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 267.870454][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.870454][ T1076] netlink_rcv_skb+0x130/0x360 [ 267.870454][ T1076] netlink_unicast+0x449/0x710 [ 267.870454][ T1076] netlink_sendmsg+0x723/0xbe0 [ 267.870454][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 267.870454][ T1076] ___sys_sendmsg+0xee/0x170 [ 267.870454][ T1076] __sys_sendmsg+0xcd/0x170 [ 267.870454][ T1076] do_syscall_64+0xc6/0x1e0 [ 267.870454][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.870454][ T1076] [ 267.874215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 267.874215][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 267.874215][ T1076] ipv6_find_idev+0x102/0x170 [ 267.874215][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 267.874215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.874215][ T1076] netlink_rcv_skb+0x130/0x360 [ 267.874215][ T1076] netlink_unicast+0x449/0x710 [ 267.874215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 267.874215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 267.874215][ T1076] ___sys_sendmsg+0xee/0x170 [ 267.874215][ T1076] __sys_sendmsg+0xcd/0x170 [ 267.874215][ T1076] do_syscall_64+0xc6/0x1e0 [ 267.874215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.874215][ T1076] [ 267.877037][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 267.877037][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 267.877037][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 267.877037][ T1076] ipv6_find_idev+0x102/0x170 [ 267.877037][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 267.877037][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.877037][ T1076] netlink_rcv_skb+0x130/0x360 [ 267.877037][ T1076] netlink_unicast+0x449/0x710 [ 267.877037][ T1076] netlink_sendmsg+0x723/0xbe0 [ 267.877037][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 267.877037][ T1076] ___sys_sendmsg+0xee/0x170 [ 267.877037][ T1076] __sys_sendmsg+0xcd/0x170 [ 267.877037][ T1076] do_syscall_64+0xc6/0x1e0 [ 267.877037][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.877037][ T1076] [ 278.117795][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 278.118321][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 278.118321][ T1076] netdev_get_by_index+0x5e/0x80 [ 278.118321][ T1076] fib6_nh_init+0x3d8/0x1580 [ 278.118321][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 278.118321][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 278.118321][ T1076] ipv6_add_addr+0x411/0x2000 [ 278.118321][ T1076] inet6_addr_add+0x30e/0xa40 [ 278.118321][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 278.118321][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 278.118321][ T1076] netlink_rcv_skb+0x130/0x360 [ 278.118321][ T1076] netlink_unicast+0x449/0x710 [ 278.118321][ T1076] netlink_sendmsg+0x723/0xbe0 [ 278.118321][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 278.118321][ T1076] ___sys_sendmsg+0xee/0x170 [ 278.118321][ T1076] __sys_sendmsg+0xcd/0x170 [ 278.118321][ T1076] do_syscall_64+0xc6/0x1e0 [ 278.118321][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 278.118321][ T1076] [ 278.120834][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 278.120834][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 278.120834][ T1076] ipv6_find_idev+0x102/0x170 [ 278.120834][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 278.120834][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 278.120834][ T1076] netlink_rcv_skb+0x130/0x360 [ 278.120834][ T1076] netlink_unicast+0x449/0x710 [ 278.120834][ T1076] netlink_sendmsg+0x723/0xbe0 [ 278.120834][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 278.120834][ T1076] ___sys_sendmsg+0xee/0x170 [ 278.120834][ T1076] __sys_sendmsg+0xcd/0x170 [ 278.120834][ T1076] do_syscall_64+0xc6/0x1e0 [ 278.120834][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 278.120834][ T1076] [ 278.122771][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 278.122771][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 278.122771][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 278.122771][ T1076] ipv6_find_idev+0x102/0x170 [ 278.122771][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 278.122771][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 278.122771][ T1076] netlink_rcv_skb+0x130/0x360 [ 278.122771][ T1076] netlink_unicast+0x449/0x710 [ 278.122771][ T1076] netlink_sendmsg+0x723/0xbe0 [ 278.122771][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 278.122771][ T1076] ___sys_sendmsg+0xee/0x170 [ 278.122771][ T1076] __sys_sendmsg+0xcd/0x170 [ 278.122771][ T1076] do_syscall_64+0xc6/0x1e0 [ 278.122771][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 278.122771][ T1076] [ 288.373723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 288.374228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 288.374228][ T1076] netdev_get_by_index+0x5e/0x80 [ 288.374228][ T1076] fib6_nh_init+0x3d8/0x1580 [ 288.374228][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 288.374228][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 288.374228][ T1076] ipv6_add_addr+0x411/0x2000 [ 288.374228][ T1076] inet6_addr_add+0x30e/0xa40 [ 288.374228][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 288.374228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 288.374228][ T1076] netlink_rcv_skb+0x130/0x360 [ 288.374228][ T1076] netlink_unicast+0x449/0x710 [ 288.374228][ T1076] netlink_sendmsg+0x723/0xbe0 [ 288.374228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 288.374228][ T1076] ___sys_sendmsg+0xee/0x170 [ 288.374228][ T1076] __sys_sendmsg+0xcd/0x170 [ 288.374228][ T1076] do_syscall_64+0xc6/0x1e0 [ 288.374228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 288.374228][ T1076] [ 288.376525][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 288.376525][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 288.376525][ T1076] ipv6_find_idev+0x102/0x170 [ 288.376525][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 288.376525][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 288.376525][ T1076] netlink_rcv_skb+0x130/0x360 [ 288.376525][ T1076] netlink_unicast+0x449/0x710 [ 288.376525][ T1076] netlink_sendmsg+0x723/0xbe0 [ 288.376525][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 288.376525][ T1076] ___sys_sendmsg+0xee/0x170 [ 288.376525][ T1076] __sys_sendmsg+0xcd/0x170 [ 288.376525][ T1076] do_syscall_64+0xc6/0x1e0 [ 288.376525][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 288.376525][ T1076] [ 288.378308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 288.378308][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 288.378308][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 288.378308][ T1076] ipv6_find_idev+0x102/0x170 [ 288.378308][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 288.378308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 288.378308][ T1076] netlink_rcv_skb+0x130/0x360 [ 288.378308][ T1076] netlink_unicast+0x449/0x710 [ 288.378308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 288.378308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 288.378308][ T1076] ___sys_sendmsg+0xee/0x170 [ 288.378308][ T1076] __sys_sendmsg+0xcd/0x170 [ 288.378308][ T1076] do_syscall_64+0xc6/0x1e0 [ 288.378308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 288.378308][ T1076] [ 298.421696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 298.422180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 298.422180][ T1076] netdev_get_by_index+0x5e/0x80 [ 298.422180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 298.422180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 298.422180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 298.422180][ T1076] ipv6_add_addr+0x411/0x2000 [ 298.422180][ T1076] inet6_addr_add+0x30e/0xa40 [ 298.422180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 298.422180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.422180][ T1076] netlink_rcv_skb+0x130/0x360 [ 298.422180][ T1076] netlink_unicast+0x449/0x710 [ 298.422180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 298.422180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 298.422180][ T1076] ___sys_sendmsg+0xee/0x170 [ 298.422180][ T1076] __sys_sendmsg+0xcd/0x170 [ 298.422180][ T1076] do_syscall_64+0xc6/0x1e0 [ 298.422180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.422180][ T1076] [ 298.424496][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 298.424496][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 298.424496][ T1076] ipv6_find_idev+0x102/0x170 [ 298.424496][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 298.424496][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.424496][ T1076] netlink_rcv_skb+0x130/0x360 [ 298.424496][ T1076] netlink_unicast+0x449/0x710 [ 298.424496][ T1076] netlink_sendmsg+0x723/0xbe0 [ 298.424496][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 298.424496][ T1076] ___sys_sendmsg+0xee/0x170 [ 298.424496][ T1076] __sys_sendmsg+0xcd/0x170 [ 298.424496][ T1076] do_syscall_64+0xc6/0x1e0 [ 298.424496][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.424496][ T1076] [ 298.426293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 298.426293][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 298.426293][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 298.426293][ T1076] ipv6_find_idev+0x102/0x170 [ 298.426293][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 298.426293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.426293][ T1076] netlink_rcv_skb+0x130/0x360 [ 298.426293][ T1076] netlink_unicast+0x449/0x710 [ 298.426293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 298.426293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 298.426293][ T1076] ___sys_sendmsg+0xee/0x170 [ 298.426293][ T1076] __sys_sendmsg+0xcd/0x170 [ 298.426293][ T1076] do_syscall_64+0xc6/0x1e0 [ 298.426293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.426293][ T1076] [ 308.677703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 308.678219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 308.678219][ T1076] netdev_get_by_index+0x5e/0x80 [ 308.678219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 308.678219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 308.678219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 308.678219][ T1076] ipv6_add_addr+0x411/0x2000 [ 308.678219][ T1076] inet6_addr_add+0x30e/0xa40 [ 308.678219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 308.678219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.678219][ T1076] netlink_rcv_skb+0x130/0x360 [ 308.678219][ T1076] netlink_unicast+0x449/0x710 [ 308.678219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 308.678219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 308.678219][ T1076] ___sys_sendmsg+0xee/0x170 [ 308.678219][ T1076] __sys_sendmsg+0xcd/0x170 [ 308.678219][ T1076] do_syscall_64+0xc6/0x1e0 [ 308.678219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.678219][ T1076] [ 308.680661][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 308.680661][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 308.680661][ T1076] ipv6_find_idev+0x102/0x170 [ 308.680661][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 308.680661][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.680661][ T1076] netlink_rcv_skb+0x130/0x360 [ 308.680661][ T1076] netlink_unicast+0x449/0x710 [ 308.680661][ T1076] netlink_sendmsg+0x723/0xbe0 [ 308.680661][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 308.680661][ T1076] ___sys_sendmsg+0xee/0x170 [ 308.680661][ T1076] __sys_sendmsg+0xcd/0x170 [ 308.680661][ T1076] do_syscall_64+0xc6/0x1e0 [ 308.680661][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.680661][ T1076] [ 308.682428][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 308.682428][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 308.682428][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 308.682428][ T1076] ipv6_find_idev+0x102/0x170 [ 308.682428][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 308.682428][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.682428][ T1076] netlink_rcv_skb+0x130/0x360 [ 308.682428][ T1076] netlink_unicast+0x449/0x710 [ 308.682428][ T1076] netlink_sendmsg+0x723/0xbe0 [ 308.682428][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 308.682428][ T1076] ___sys_sendmsg+0xee/0x170 [ 308.682428][ T1076] __sys_sendmsg+0xcd/0x170 [ 308.682428][ T1076] do_syscall_64+0xc6/0x1e0 [ 308.682428][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.682428][ T1076] [ 318.717722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 318.718387][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 318.718387][ T1076] netdev_get_by_index+0x5e/0x80 [ 318.718387][ T1076] fib6_nh_init+0x3d8/0x1580 [ 318.718387][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 318.718387][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 318.718387][ T1076] ipv6_add_addr+0x411/0x2000 [ 318.718387][ T1076] inet6_addr_add+0x30e/0xa40 [ 318.718387][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 318.718387][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.718387][ T1076] netlink_rcv_skb+0x130/0x360 [ 318.718387][ T1076] netlink_unicast+0x449/0x710 [ 318.718387][ T1076] netlink_sendmsg+0x723/0xbe0 [ 318.718387][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 318.718387][ T1076] ___sys_sendmsg+0xee/0x170 [ 318.718387][ T1076] __sys_sendmsg+0xcd/0x170 [ 318.718387][ T1076] do_syscall_64+0xc6/0x1e0 [ 318.718387][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.718387][ T1076] [ 318.720941][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 318.720941][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 318.720941][ T1076] ipv6_find_idev+0x102/0x170 [ 318.720941][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 318.720941][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.720941][ T1076] netlink_rcv_skb+0x130/0x360 [ 318.720941][ T1076] netlink_unicast+0x449/0x710 [ 318.720941][ T1076] netlink_sendmsg+0x723/0xbe0 [ 318.720941][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 318.720941][ T1076] ___sys_sendmsg+0xee/0x170 [ 318.720941][ T1076] __sys_sendmsg+0xcd/0x170 [ 318.720941][ T1076] do_syscall_64+0xc6/0x1e0 [ 318.720941][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.720941][ T1076] [ 318.722738][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 318.722738][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 318.722738][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 318.722738][ T1076] ipv6_find_idev+0x102/0x170 [ 318.722738][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 318.722738][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.722738][ T1076] netlink_rcv_skb+0x130/0x360 [ 318.722738][ T1076] netlink_unicast+0x449/0x710 [ 318.722738][ T1076] netlink_sendmsg+0x723/0xbe0 [ 318.722738][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 318.722738][ T1076] ___sys_sendmsg+0xee/0x170 [ 318.722738][ T1076] __sys_sendmsg+0xcd/0x170 [ 318.722738][ T1076] do_syscall_64+0xc6/0x1e0 [ 318.722738][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.722738][ T1076] [ 328.837869][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 328.838371][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 328.838371][ T1076] netdev_get_by_index+0x5e/0x80 [ 328.838371][ T1076] fib6_nh_init+0x3d8/0x1580 [ 328.838371][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 328.838371][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 328.838371][ T1076] ipv6_add_addr+0x411/0x2000 [ 328.838371][ T1076] inet6_addr_add+0x30e/0xa40 [ 328.838371][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 328.838371][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.838371][ T1076] netlink_rcv_skb+0x130/0x360 [ 328.838371][ T1076] netlink_unicast+0x449/0x710 [ 328.838371][ T1076] netlink_sendmsg+0x723/0xbe0 [ 328.838371][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 328.838371][ T1076] ___sys_sendmsg+0xee/0x170 [ 328.838371][ T1076] __sys_sendmsg+0xcd/0x170 [ 328.838371][ T1076] do_syscall_64+0xc6/0x1e0 [ 328.838371][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.838371][ T1076] [ 328.840706][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 328.840706][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 328.840706][ T1076] ipv6_find_idev+0x102/0x170 [ 328.840706][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 328.840706][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.840706][ T1076] netlink_rcv_skb+0x130/0x360 [ 328.840706][ T1076] netlink_unicast+0x449/0x710 [ 328.840706][ T1076] netlink_sendmsg+0x723/0xbe0 [ 328.840706][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 328.840706][ T1076] ___sys_sendmsg+0xee/0x170 [ 328.840706][ T1076] __sys_sendmsg+0xcd/0x170 [ 328.840706][ T1076] do_syscall_64+0xc6/0x1e0 [ 328.840706][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.840706][ T1076] [ 328.842504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 328.842504][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 328.842504][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 328.842504][ T1076] ipv6_find_idev+0x102/0x170 [ 328.842504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 328.842504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.842504][ T1076] netlink_rcv_skb+0x130/0x360 [ 328.842504][ T1076] netlink_unicast+0x449/0x710 [ 328.842504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 328.842504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 328.842504][ T1076] ___sys_sendmsg+0xee/0x170 [ 328.842504][ T1076] __sys_sendmsg+0xcd/0x170 [ 328.842504][ T1076] do_syscall_64+0xc6/0x1e0 [ 328.842504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.842504][ T1076] [ 339.085707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 339.086206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 339.086206][ T1076] netdev_get_by_index+0x5e/0x80 [ 339.086206][ T1076] fib6_nh_init+0x3d8/0x1580 [ 339.086206][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 339.086206][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 339.086206][ T1076] ipv6_add_addr+0x411/0x2000 [ 339.086206][ T1076] inet6_addr_add+0x30e/0xa40 [ 339.086206][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 339.086206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.086206][ T1076] netlink_rcv_skb+0x130/0x360 [ 339.086206][ T1076] netlink_unicast+0x449/0x710 [ 339.086206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 339.086206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 339.086206][ T1076] ___sys_sendmsg+0xee/0x170 [ 339.086206][ T1076] __sys_sendmsg+0xcd/0x170 [ 339.086206][ T1076] do_syscall_64+0xc6/0x1e0 [ 339.086206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.086206][ T1076] [ 339.088608][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 339.088608][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 339.088608][ T1076] ipv6_find_idev+0x102/0x170 [ 339.088608][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 339.088608][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.088608][ T1076] netlink_rcv_skb+0x130/0x360 [ 339.088608][ T1076] netlink_unicast+0x449/0x710 [ 339.088608][ T1076] netlink_sendmsg+0x723/0xbe0 [ 339.088608][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 339.088608][ T1076] ___sys_sendmsg+0xee/0x170 [ 339.088608][ T1076] __sys_sendmsg+0xcd/0x170 [ 339.088608][ T1076] do_syscall_64+0xc6/0x1e0 [ 339.088608][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.088608][ T1076] [ 339.090415][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 339.090415][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 339.090415][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 339.090415][ T1076] ipv6_find_idev+0x102/0x170 [ 339.090415][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 339.090415][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.090415][ T1076] netlink_rcv_skb+0x130/0x360 [ 339.090415][ T1076] netlink_unicast+0x449/0x710 [ 339.090415][ T1076] netlink_sendmsg+0x723/0xbe0 [ 339.090415][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 339.090415][ T1076] ___sys_sendmsg+0xee/0x170 [ 339.090415][ T1076] __sys_sendmsg+0xcd/0x170 [ 339.090415][ T1076] do_syscall_64+0xc6/0x1e0 [ 339.090415][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.090415][ T1076] [ 349.333795][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 349.334306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 349.334306][ T1076] netdev_get_by_index+0x5e/0x80 [ 349.334306][ T1076] fib6_nh_init+0x3d8/0x1580 [ 349.334306][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 349.334306][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 349.334306][ T1076] ipv6_add_addr+0x411/0x2000 [ 349.334306][ T1076] inet6_addr_add+0x30e/0xa40 [ 349.334306][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 349.334306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.334306][ T1076] netlink_rcv_skb+0x130/0x360 [ 349.334306][ T1076] netlink_unicast+0x449/0x710 [ 349.334306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 349.334306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 349.334306][ T1076] ___sys_sendmsg+0xee/0x170 [ 349.334306][ T1076] __sys_sendmsg+0xcd/0x170 [ 349.334306][ T1076] do_syscall_64+0xc6/0x1e0 [ 349.334306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.334306][ T1076] [ 349.336673][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 349.336673][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 349.336673][ T1076] ipv6_find_idev+0x102/0x170 [ 349.336673][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 349.336673][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.336673][ T1076] netlink_rcv_skb+0x130/0x360 [ 349.336673][ T1076] netlink_unicast+0x449/0x710 [ 349.336673][ T1076] netlink_sendmsg+0x723/0xbe0 [ 349.336673][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 349.336673][ T1076] ___sys_sendmsg+0xee/0x170 [ 349.336673][ T1076] __sys_sendmsg+0xcd/0x170 [ 349.336673][ T1076] do_syscall_64+0xc6/0x1e0 [ 349.336673][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.336673][ T1076] [ 349.338498][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 349.338498][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 349.338498][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 349.338498][ T1076] ipv6_find_idev+0x102/0x170 [ 349.338498][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 349.338498][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.338498][ T1076] netlink_rcv_skb+0x130/0x360 [ 349.338498][ T1076] netlink_unicast+0x449/0x710 [ 349.338498][ T1076] netlink_sendmsg+0x723/0xbe0 [ 349.338498][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 349.338498][ T1076] ___sys_sendmsg+0xee/0x170 [ 349.338498][ T1076] __sys_sendmsg+0xcd/0x170 [ 349.338498][ T1076] do_syscall_64+0xc6/0x1e0 [ 349.338498][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.338498][ T1076] [ 359.581709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 359.582270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 359.582270][ T1076] netdev_get_by_index+0x5e/0x80 [ 359.582270][ T1076] fib6_nh_init+0x3d8/0x1580 [ 359.582270][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 359.582270][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 359.582270][ T1076] ipv6_add_addr+0x411/0x2000 [ 359.582270][ T1076] inet6_addr_add+0x30e/0xa40 [ 359.582270][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 359.582270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.582270][ T1076] netlink_rcv_skb+0x130/0x360 [ 359.582270][ T1076] netlink_unicast+0x449/0x710 [ 359.582270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 359.582270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 359.582270][ T1076] ___sys_sendmsg+0xee/0x170 [ 359.582270][ T1076] __sys_sendmsg+0xcd/0x170 [ 359.582270][ T1076] do_syscall_64+0xc6/0x1e0 [ 359.582270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.582270][ T1076] [ 359.584594][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 359.584594][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 359.584594][ T1076] ipv6_find_idev+0x102/0x170 [ 359.584594][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 359.584594][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.584594][ T1076] netlink_rcv_skb+0x130/0x360 [ 359.584594][ T1076] netlink_unicast+0x449/0x710 [ 359.584594][ T1076] netlink_sendmsg+0x723/0xbe0 [ 359.584594][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 359.584594][ T1076] ___sys_sendmsg+0xee/0x170 [ 359.584594][ T1076] __sys_sendmsg+0xcd/0x170 [ 359.584594][ T1076] do_syscall_64+0xc6/0x1e0 [ 359.584594][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.584594][ T1076] [ 359.586366][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 359.586366][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 359.586366][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 359.586366][ T1076] ipv6_find_idev+0x102/0x170 [ 359.586366][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 359.586366][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.586366][ T1076] netlink_rcv_skb+0x130/0x360 [ 359.586366][ T1076] netlink_unicast+0x449/0x710 [ 359.586366][ T1076] netlink_sendmsg+0x723/0xbe0 [ 359.586366][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 359.586366][ T1076] ___sys_sendmsg+0xee/0x170 [ 359.586366][ T1076] __sys_sendmsg+0xcd/0x170 [ 359.586366][ T1076] do_syscall_64+0xc6/0x1e0 [ 359.586366][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.586366][ T1076] [ 369.829730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 369.830485][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 369.830485][ T1076] netdev_get_by_index+0x5e/0x80 [ 369.830485][ T1076] fib6_nh_init+0x3d8/0x1580 [ 369.830485][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 369.830485][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 369.830485][ T1076] ipv6_add_addr+0x411/0x2000 [ 369.830485][ T1076] inet6_addr_add+0x30e/0xa40 [ 369.830485][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 369.830485][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.830485][ T1076] netlink_rcv_skb+0x130/0x360 [ 369.830485][ T1076] netlink_unicast+0x449/0x710 [ 369.830485][ T1076] netlink_sendmsg+0x723/0xbe0 [ 369.830485][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 369.830485][ T1076] ___sys_sendmsg+0xee/0x170 [ 369.830485][ T1076] __sys_sendmsg+0xcd/0x170 [ 369.830485][ T1076] do_syscall_64+0xc6/0x1e0 [ 369.830485][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.830485][ T1076] [ 369.834139][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 369.834139][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 369.834139][ T1076] ipv6_find_idev+0x102/0x170 [ 369.834139][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 369.834139][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.834139][ T1076] netlink_rcv_skb+0x130/0x360 [ 369.834139][ T1076] netlink_unicast+0x449/0x710 [ 369.834139][ T1076] netlink_sendmsg+0x723/0xbe0 [ 369.834139][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 369.834139][ T1076] ___sys_sendmsg+0xee/0x170 [ 369.834139][ T1076] __sys_sendmsg+0xcd/0x170 [ 369.834139][ T1076] do_syscall_64+0xc6/0x1e0 [ 369.834139][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.834139][ T1076] [ 369.836981][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 369.836981][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 369.836981][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 369.836981][ T1076] ipv6_find_idev+0x102/0x170 [ 369.836981][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 369.836981][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.836981][ T1076] netlink_rcv_skb+0x130/0x360 [ 369.836981][ T1076] netlink_unicast+0x449/0x710 [ 369.836981][ T1076] netlink_sendmsg+0x723/0xbe0 [ 369.836981][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 369.836981][ T1076] ___sys_sendmsg+0xee/0x170 [ 369.836981][ T1076] __sys_sendmsg+0xcd/0x170 [ 369.836981][ T1076] do_syscall_64+0xc6/0x1e0 [ 369.836981][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.836981][ T1076] [ 380.093722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 380.094280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 380.094280][ T1076] netdev_get_by_index+0x5e/0x80 [ 380.094280][ T1076] fib6_nh_init+0x3d8/0x1580 [ 380.094280][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 380.094280][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 380.094280][ T1076] ipv6_add_addr+0x411/0x2000 [ 380.094280][ T1076] inet6_addr_add+0x30e/0xa40 [ 380.094280][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 380.094280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.094280][ T1076] netlink_rcv_skb+0x130/0x360 [ 380.094280][ T1076] netlink_unicast+0x449/0x710 [ 380.094280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 380.094280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 380.094280][ T1076] ___sys_sendmsg+0xee/0x170 [ 380.094280][ T1076] __sys_sendmsg+0xcd/0x170 [ 380.094280][ T1076] do_syscall_64+0xc6/0x1e0 [ 380.094280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.094280][ T1076] [ 380.096703][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 380.096703][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 380.096703][ T1076] ipv6_find_idev+0x102/0x170 [ 380.096703][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 380.096703][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.096703][ T1076] netlink_rcv_skb+0x130/0x360 [ 380.096703][ T1076] netlink_unicast+0x449/0x710 [ 380.096703][ T1076] netlink_sendmsg+0x723/0xbe0 [ 380.096703][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 380.096703][ T1076] ___sys_sendmsg+0xee/0x170 [ 380.096703][ T1076] __sys_sendmsg+0xcd/0x170 [ 380.096703][ T1076] do_syscall_64+0xc6/0x1e0 [ 380.096703][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.096703][ T1076] [ 380.098498][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 380.098498][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 380.098498][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 380.098498][ T1076] ipv6_find_idev+0x102/0x170 [ 380.098498][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 380.098498][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.098498][ T1076] netlink_rcv_skb+0x130/0x360 [ 380.098498][ T1076] netlink_unicast+0x449/0x710 [ 380.098498][ T1076] netlink_sendmsg+0x723/0xbe0 [ 380.098498][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 380.098498][ T1076] ___sys_sendmsg+0xee/0x170 [ 380.098498][ T1076] __sys_sendmsg+0xcd/0x170 [ 380.098498][ T1076] do_syscall_64+0xc6/0x1e0 [ 380.098498][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.098498][ T1076] [ 390.341682][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 390.342278][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 390.342278][ T1076] netdev_get_by_index+0x5e/0x80 [ 390.342278][ T1076] fib6_nh_init+0x3d8/0x1580 [ 390.342278][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 390.342278][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 390.342278][ T1076] ipv6_add_addr+0x411/0x2000 [ 390.342278][ T1076] inet6_addr_add+0x30e/0xa40 [ 390.342278][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 390.342278][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.342278][ T1076] netlink_rcv_skb+0x130/0x360 [ 390.342278][ T1076] netlink_unicast+0x449/0x710 [ 390.342278][ T1076] netlink_sendmsg+0x723/0xbe0 [ 390.342278][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 390.342278][ T1076] ___sys_sendmsg+0xee/0x170 [ 390.342278][ T1076] __sys_sendmsg+0xcd/0x170 [ 390.342278][ T1076] do_syscall_64+0xc6/0x1e0 [ 390.342278][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.342278][ T1076] [ 390.344846][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 390.344846][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 390.344846][ T1076] ipv6_find_idev+0x102/0x170 [ 390.344846][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 390.344846][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.344846][ T1076] netlink_rcv_skb+0x130/0x360 [ 390.344846][ T1076] netlink_unicast+0x449/0x710 [ 390.344846][ T1076] netlink_sendmsg+0x723/0xbe0 [ 390.344846][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 390.344846][ T1076] ___sys_sendmsg+0xee/0x170 [ 390.344846][ T1076] __sys_sendmsg+0xcd/0x170 [ 390.344846][ T1076] do_syscall_64+0xc6/0x1e0 [ 390.344846][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.344846][ T1076] [ 390.346632][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 390.346632][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 390.346632][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 390.346632][ T1076] ipv6_find_idev+0x102/0x170 [ 390.346632][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 390.346632][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.346632][ T1076] netlink_rcv_skb+0x130/0x360 [ 390.346632][ T1076] netlink_unicast+0x449/0x710 [ 390.346632][ T1076] netlink_sendmsg+0x723/0xbe0 [ 390.346632][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 390.346632][ T1076] ___sys_sendmsg+0xee/0x170 [ 390.346632][ T1076] __sys_sendmsg+0xcd/0x170 [ 390.346632][ T1076] do_syscall_64+0xc6/0x1e0 [ 390.346632][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.346632][ T1076] [ 400.589702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 400.590208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 400.590208][ T1076] netdev_get_by_index+0x5e/0x80 [ 400.590208][ T1076] fib6_nh_init+0x3d8/0x1580 [ 400.590208][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 400.590208][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 400.590208][ T1076] ipv6_add_addr+0x411/0x2000 [ 400.590208][ T1076] inet6_addr_add+0x30e/0xa40 [ 400.590208][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 400.590208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.590208][ T1076] netlink_rcv_skb+0x130/0x360 [ 400.590208][ T1076] netlink_unicast+0x449/0x710 [ 400.590208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 400.590208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 400.590208][ T1076] ___sys_sendmsg+0xee/0x170 [ 400.590208][ T1076] __sys_sendmsg+0xcd/0x170 [ 400.590208][ T1076] do_syscall_64+0xc6/0x1e0 [ 400.590208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.590208][ T1076] [ 400.592659][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 400.592659][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 400.592659][ T1076] ipv6_find_idev+0x102/0x170 [ 400.592659][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.592659][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.592659][ T1076] netlink_rcv_skb+0x130/0x360 [ 400.592659][ T1076] netlink_unicast+0x449/0x710 [ 400.592659][ T1076] netlink_sendmsg+0x723/0xbe0 [ 400.592659][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 400.592659][ T1076] ___sys_sendmsg+0xee/0x170 [ 400.592659][ T1076] __sys_sendmsg+0xcd/0x170 [ 400.592659][ T1076] do_syscall_64+0xc6/0x1e0 [ 400.592659][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.592659][ T1076] [ 400.594432][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 400.594432][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 400.594432][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 400.594432][ T1076] ipv6_find_idev+0x102/0x170 [ 400.594432][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.594432][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.594432][ T1076] netlink_rcv_skb+0x130/0x360 [ 400.594432][ T1076] netlink_unicast+0x449/0x710 [ 400.594432][ T1076] netlink_sendmsg+0x723/0xbe0 [ 400.594432][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 400.594432][ T1076] ___sys_sendmsg+0xee/0x170 [ 400.594432][ T1076] __sys_sendmsg+0xcd/0x170 [ 400.594432][ T1076] do_syscall_64+0xc6/0x1e0 [ 400.594432][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.594432][ T1076] [ 410.837708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 410.838280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 410.838280][ T1076] netdev_get_by_index+0x5e/0x80 [ 410.838280][ T1076] fib6_nh_init+0x3d8/0x1580 [ 410.838280][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 410.838280][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 410.838280][ T1076] ipv6_add_addr+0x411/0x2000 [ 410.838280][ T1076] inet6_addr_add+0x30e/0xa40 [ 410.838280][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 410.838280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.838280][ T1076] netlink_rcv_skb+0x130/0x360 [ 410.838280][ T1076] netlink_unicast+0x449/0x710 [ 410.838280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 410.838280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 410.838280][ T1076] ___sys_sendmsg+0xee/0x170 [ 410.838280][ T1076] __sys_sendmsg+0xcd/0x170 [ 410.838280][ T1076] do_syscall_64+0xc6/0x1e0 [ 410.838280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.838280][ T1076] [ 410.840578][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 410.840578][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 410.840578][ T1076] ipv6_find_idev+0x102/0x170 [ 410.840578][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.840578][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.840578][ T1076] netlink_rcv_skb+0x130/0x360 [ 410.840578][ T1076] netlink_unicast+0x449/0x710 [ 410.840578][ T1076] netlink_sendmsg+0x723/0xbe0 [ 410.840578][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 410.840578][ T1076] ___sys_sendmsg+0xee/0x170 [ 410.840578][ T1076] __sys_sendmsg+0xcd/0x170 [ 410.840578][ T1076] do_syscall_64+0xc6/0x1e0 [ 410.840578][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.840578][ T1076] [ 410.842366][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 410.842366][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 410.842366][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 410.842366][ T1076] ipv6_find_idev+0x102/0x170 [ 410.842366][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.842366][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.842366][ T1076] netlink_rcv_skb+0x130/0x360 [ 410.842366][ T1076] netlink_unicast+0x449/0x710 [ 410.842366][ T1076] netlink_sendmsg+0x723/0xbe0 [ 410.842366][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 410.842366][ T1076] ___sys_sendmsg+0xee/0x170 [ 410.842366][ T1076] __sys_sendmsg+0xcd/0x170 [ 410.842366][ T1076] do_syscall_64+0xc6/0x1e0 [ 410.842366][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.842366][ T1076] [ 421.085701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 421.086247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 421.086247][ T1076] netdev_get_by_index+0x5e/0x80 [ 421.086247][ T1076] fib6_nh_init+0x3d8/0x1580 [ 421.086247][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 421.086247][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 421.086247][ T1076] ipv6_add_addr+0x411/0x2000 [ 421.086247][ T1076] inet6_addr_add+0x30e/0xa40 [ 421.086247][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 421.086247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.086247][ T1076] netlink_rcv_skb+0x130/0x360 [ 421.086247][ T1076] netlink_unicast+0x449/0x710 [ 421.086247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 421.086247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 421.086247][ T1076] ___sys_sendmsg+0xee/0x170 [ 421.086247][ T1076] __sys_sendmsg+0xcd/0x170 [ 421.086247][ T1076] do_syscall_64+0xc6/0x1e0 [ 421.086247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.086247][ T1076] [ 421.088791][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 421.088791][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 421.088791][ T1076] ipv6_find_idev+0x102/0x170 [ 421.088791][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.088791][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.088791][ T1076] netlink_rcv_skb+0x130/0x360 [ 421.088791][ T1076] netlink_unicast+0x449/0x710 [ 421.088791][ T1076] netlink_sendmsg+0x723/0xbe0 [ 421.088791][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 421.088791][ T1076] ___sys_sendmsg+0xee/0x170 [ 421.088791][ T1076] __sys_sendmsg+0xcd/0x170 [ 421.088791][ T1076] do_syscall_64+0xc6/0x1e0 [ 421.088791][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.088791][ T1076] [ 421.090745][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 421.090745][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 421.090745][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 421.090745][ T1076] ipv6_find_idev+0x102/0x170 [ 421.090745][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.090745][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.090745][ T1076] netlink_rcv_skb+0x130/0x360 [ 421.090745][ T1076] netlink_unicast+0x449/0x710 [ 421.090745][ T1076] netlink_sendmsg+0x723/0xbe0 [ 421.090745][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 421.090745][ T1076] ___sys_sendmsg+0xee/0x170 [ 421.090745][ T1076] __sys_sendmsg+0xcd/0x170 [ 421.090745][ T1076] do_syscall_64+0xc6/0x1e0 [ 421.090745][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.090745][ T1076] [ 431.093793][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 431.094316][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 431.094316][ T1076] netdev_get_by_index+0x5e/0x80 [ 431.094316][ T1076] fib6_nh_init+0x3d8/0x1580 [ 431.094316][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 431.094316][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 431.094316][ T1076] ipv6_add_addr+0x411/0x2000 [ 431.094316][ T1076] inet6_addr_add+0x30e/0xa40 [ 431.094316][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 431.094316][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.094316][ T1076] netlink_rcv_skb+0x130/0x360 [ 431.094316][ T1076] netlink_unicast+0x449/0x710 [ 431.094316][ T1076] netlink_sendmsg+0x723/0xbe0 [ 431.094316][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 431.094316][ T1076] ___sys_sendmsg+0xee/0x170 [ 431.094316][ T1076] __sys_sendmsg+0xcd/0x170 [ 431.094316][ T1076] do_syscall_64+0xc6/0x1e0 [ 431.094316][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.094316][ T1076] [ 431.096676][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 431.096676][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 431.096676][ T1076] ipv6_find_idev+0x102/0x170 [ 431.096676][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.096676][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.096676][ T1076] netlink_rcv_skb+0x130/0x360 [ 431.096676][ T1076] netlink_unicast+0x449/0x710 [ 431.096676][ T1076] netlink_sendmsg+0x723/0xbe0 [ 431.096676][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 431.096676][ T1076] ___sys_sendmsg+0xee/0x170 [ 431.096676][ T1076] __sys_sendmsg+0xcd/0x170 [ 431.096676][ T1076] do_syscall_64+0xc6/0x1e0 [ 431.096676][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.096676][ T1076] [ 431.098482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 431.098482][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 431.098482][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 431.098482][ T1076] ipv6_find_idev+0x102/0x170 [ 431.098482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.098482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.098482][ T1076] netlink_rcv_skb+0x130/0x360 [ 431.098482][ T1076] netlink_unicast+0x449/0x710 [ 431.098482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 431.098482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 431.098482][ T1076] ___sys_sendmsg+0xee/0x170 [ 431.098482][ T1076] __sys_sendmsg+0xcd/0x170 [ 431.098482][ T1076] do_syscall_64+0xc6/0x1e0 [ 431.098482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.098482][ T1076] [ 441.237737][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 441.238254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 441.238254][ T1076] netdev_get_by_index+0x5e/0x80 [ 441.238254][ T1076] fib6_nh_init+0x3d8/0x1580 [ 441.238254][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 441.238254][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 441.238254][ T1076] ipv6_add_addr+0x411/0x2000 [ 441.238254][ T1076] inet6_addr_add+0x30e/0xa40 [ 441.238254][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 441.238254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.238254][ T1076] netlink_rcv_skb+0x130/0x360 [ 441.238254][ T1076] netlink_unicast+0x449/0x710 [ 441.238254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 441.238254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 441.238254][ T1076] ___sys_sendmsg+0xee/0x170 [ 441.238254][ T1076] __sys_sendmsg+0xcd/0x170 [ 441.238254][ T1076] do_syscall_64+0xc6/0x1e0 [ 441.238254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.238254][ T1076] [ 441.240566][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 441.240566][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 441.240566][ T1076] ipv6_find_idev+0x102/0x170 [ 441.240566][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.240566][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.240566][ T1076] netlink_rcv_skb+0x130/0x360 [ 441.240566][ T1076] netlink_unicast+0x449/0x710 [ 441.240566][ T1076] netlink_sendmsg+0x723/0xbe0 [ 441.240566][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 441.240566][ T1076] ___sys_sendmsg+0xee/0x170 [ 441.240566][ T1076] __sys_sendmsg+0xcd/0x170 [ 441.240566][ T1076] do_syscall_64+0xc6/0x1e0 [ 441.240566][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.240566][ T1076] [ 441.242343][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 441.242343][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 441.242343][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 441.242343][ T1076] ipv6_find_idev+0x102/0x170 [ 441.242343][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.242343][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.242343][ T1076] netlink_rcv_skb+0x130/0x360 [ 441.242343][ T1076] netlink_unicast+0x449/0x710 [ 441.242343][ T1076] netlink_sendmsg+0x723/0xbe0 [ 441.242343][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 441.242343][ T1076] ___sys_sendmsg+0xee/0x170 [ 441.242343][ T1076] __sys_sendmsg+0xcd/0x170 [ 441.242343][ T1076] do_syscall_64+0xc6/0x1e0 [ 441.242343][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.242343][ T1076] [ 451.485712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 451.486250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 451.486250][ T1076] netdev_get_by_index+0x5e/0x80 [ 451.486250][ T1076] fib6_nh_init+0x3d8/0x1580 [ 451.486250][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 451.486250][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 451.486250][ T1076] ipv6_add_addr+0x411/0x2000 [ 451.486250][ T1076] inet6_addr_add+0x30e/0xa40 [ 451.486250][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 451.486250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.486250][ T1076] netlink_rcv_skb+0x130/0x360 [ 451.486250][ T1076] netlink_unicast+0x449/0x710 [ 451.486250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 451.486250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 451.486250][ T1076] ___sys_sendmsg+0xee/0x170 [ 451.486250][ T1076] __sys_sendmsg+0xcd/0x170 [ 451.486250][ T1076] do_syscall_64+0xc6/0x1e0 [ 451.486250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.486250][ T1076] [ 451.488738][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 451.488738][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 451.488738][ T1076] ipv6_find_idev+0x102/0x170 [ 451.488738][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.488738][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.488738][ T1076] netlink_rcv_skb+0x130/0x360 [ 451.488738][ T1076] netlink_unicast+0x449/0x710 [ 451.488738][ T1076] netlink_sendmsg+0x723/0xbe0 [ 451.488738][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 451.488738][ T1076] ___sys_sendmsg+0xee/0x170 [ 451.488738][ T1076] __sys_sendmsg+0xcd/0x170 [ 451.488738][ T1076] do_syscall_64+0xc6/0x1e0 [ 451.488738][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.488738][ T1076] [ 451.490798][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 451.490798][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 451.490798][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 451.490798][ T1076] ipv6_find_idev+0x102/0x170 [ 451.490798][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.490798][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.490798][ T1076] netlink_rcv_skb+0x130/0x360 [ 451.490798][ T1076] netlink_unicast+0x449/0x710 [ 451.490798][ T1076] netlink_sendmsg+0x723/0xbe0 [ 451.490798][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 451.490798][ T1076] ___sys_sendmsg+0xee/0x170 [ 451.490798][ T1076] __sys_sendmsg+0xcd/0x170 [ 451.490798][ T1076] do_syscall_64+0xc6/0x1e0 [ 451.490798][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.490798][ T1076] [ 461.733685][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 461.734266][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 461.734266][ T1076] netdev_get_by_index+0x5e/0x80 [ 461.734266][ T1076] fib6_nh_init+0x3d8/0x1580 [ 461.734266][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 461.734266][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 461.734266][ T1076] ipv6_add_addr+0x411/0x2000 [ 461.734266][ T1076] inet6_addr_add+0x30e/0xa40 [ 461.734266][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 461.734266][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.734266][ T1076] netlink_rcv_skb+0x130/0x360 [ 461.734266][ T1076] netlink_unicast+0x449/0x710 [ 461.734266][ T1076] netlink_sendmsg+0x723/0xbe0 [ 461.734266][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 461.734266][ T1076] ___sys_sendmsg+0xee/0x170 [ 461.734266][ T1076] __sys_sendmsg+0xcd/0x170 [ 461.734266][ T1076] do_syscall_64+0xc6/0x1e0 [ 461.734266][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.734266][ T1076] [ 461.736682][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 461.736682][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 461.736682][ T1076] ipv6_find_idev+0x102/0x170 [ 461.736682][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.736682][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.736682][ T1076] netlink_rcv_skb+0x130/0x360 [ 461.736682][ T1076] netlink_unicast+0x449/0x710 [ 461.736682][ T1076] netlink_sendmsg+0x723/0xbe0 [ 461.736682][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 461.736682][ T1076] ___sys_sendmsg+0xee/0x170 [ 461.736682][ T1076] __sys_sendmsg+0xcd/0x170 [ 461.736682][ T1076] do_syscall_64+0xc6/0x1e0 [ 461.736682][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.736682][ T1076] [ 461.738515][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 461.738515][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 461.738515][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 461.738515][ T1076] ipv6_find_idev+0x102/0x170 [ 461.738515][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.738515][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.738515][ T1076] netlink_rcv_skb+0x130/0x360 [ 461.738515][ T1076] netlink_unicast+0x449/0x710 [ 461.738515][ T1076] netlink_sendmsg+0x723/0xbe0 [ 461.738515][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 461.738515][ T1076] ___sys_sendmsg+0xee/0x170 [ 461.738515][ T1076] __sys_sendmsg+0xcd/0x170 [ 461.738515][ T1076] do_syscall_64+0xc6/0x1e0 [ 461.738515][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.738515][ T1076] [ 471.861733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 471.862502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 471.862502][ T1076] netdev_get_by_index+0x5e/0x80 [ 471.862502][ T1076] fib6_nh_init+0x3d8/0x1580 [ 471.862502][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 471.862502][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 471.862502][ T1076] ipv6_add_addr+0x411/0x2000 [ 471.862502][ T1076] inet6_addr_add+0x30e/0xa40 [ 471.862502][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 471.862502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.862502][ T1076] netlink_rcv_skb+0x130/0x360 [ 471.862502][ T1076] netlink_unicast+0x449/0x710 [ 471.862502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 471.862502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 471.862502][ T1076] ___sys_sendmsg+0xee/0x170 [ 471.862502][ T1076] __sys_sendmsg+0xcd/0x170 [ 471.862502][ T1076] do_syscall_64+0xc6/0x1e0 [ 471.862502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.862502][ T1076] [ 471.866320][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 471.866320][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 471.866320][ T1076] ipv6_find_idev+0x102/0x170 [ 471.866320][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.866320][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.866320][ T1076] netlink_rcv_skb+0x130/0x360 [ 471.866320][ T1076] netlink_unicast+0x449/0x710 [ 471.866320][ T1076] netlink_sendmsg+0x723/0xbe0 [ 471.866320][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 471.866320][ T1076] ___sys_sendmsg+0xee/0x170 [ 471.866320][ T1076] __sys_sendmsg+0xcd/0x170 [ 471.866320][ T1076] do_syscall_64+0xc6/0x1e0 [ 471.866320][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.866320][ T1076] [ 471.868879][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 471.868879][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 471.868879][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 471.868879][ T1076] ipv6_find_idev+0x102/0x170 [ 471.868879][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.868879][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.868879][ T1076] netlink_rcv_skb+0x130/0x360 [ 471.868879][ T1076] netlink_unicast+0x449/0x710 [ 471.868879][ T1076] netlink_sendmsg+0x723/0xbe0 [ 471.868879][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 471.868879][ T1076] ___sys_sendmsg+0xee/0x170 [ 471.868879][ T1076] __sys_sendmsg+0xcd/0x170 [ 471.868879][ T1076] do_syscall_64+0xc6/0x1e0 [ 471.868879][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.868879][ T1076] [ 482.109708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 482.110216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 482.110216][ T1076] netdev_get_by_index+0x5e/0x80 [ 482.110216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 482.110216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 482.110216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 482.110216][ T1076] ipv6_add_addr+0x411/0x2000 [ 482.110216][ T1076] inet6_addr_add+0x30e/0xa40 [ 482.110216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 482.110216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.110216][ T1076] netlink_rcv_skb+0x130/0x360 [ 482.110216][ T1076] netlink_unicast+0x449/0x710 [ 482.110216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 482.110216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 482.110216][ T1076] ___sys_sendmsg+0xee/0x170 [ 482.110216][ T1076] __sys_sendmsg+0xcd/0x170 [ 482.110216][ T1076] do_syscall_64+0xc6/0x1e0 [ 482.110216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.110216][ T1076] [ 482.112615][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 482.112615][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 482.112615][ T1076] ipv6_find_idev+0x102/0x170 [ 482.112615][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.112615][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.112615][ T1076] netlink_rcv_skb+0x130/0x360 [ 482.112615][ T1076] netlink_unicast+0x449/0x710 [ 482.112615][ T1076] netlink_sendmsg+0x723/0xbe0 [ 482.112615][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 482.112615][ T1076] ___sys_sendmsg+0xee/0x170 [ 482.112615][ T1076] __sys_sendmsg+0xcd/0x170 [ 482.112615][ T1076] do_syscall_64+0xc6/0x1e0 [ 482.112615][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.112615][ T1076] [ 482.114369][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 482.114369][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 482.114369][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 482.114369][ T1076] ipv6_find_idev+0x102/0x170 [ 482.114369][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.114369][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.114369][ T1076] netlink_rcv_skb+0x130/0x360 [ 482.114369][ T1076] netlink_unicast+0x449/0x710 [ 482.114369][ T1076] netlink_sendmsg+0x723/0xbe0 [ 482.114369][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 482.114369][ T1076] ___sys_sendmsg+0xee/0x170 [ 482.114369][ T1076] __sys_sendmsg+0xcd/0x170 [ 482.114369][ T1076] do_syscall_64+0xc6/0x1e0 [ 482.114369][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.114369][ T1076] [ 492.357840][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 492.358383][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 492.358383][ T1076] netdev_get_by_index+0x5e/0x80 [ 492.358383][ T1076] fib6_nh_init+0x3d8/0x1580 [ 492.358383][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 492.358383][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 492.358383][ T1076] ipv6_add_addr+0x411/0x2000 [ 492.358383][ T1076] inet6_addr_add+0x30e/0xa40 [ 492.358383][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 492.358383][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.358383][ T1076] netlink_rcv_skb+0x130/0x360 [ 492.358383][ T1076] netlink_unicast+0x449/0x710 [ 492.358383][ T1076] netlink_sendmsg+0x723/0xbe0 [ 492.358383][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 492.358383][ T1076] ___sys_sendmsg+0xee/0x170 [ 492.358383][ T1076] __sys_sendmsg+0xcd/0x170 [ 492.358383][ T1076] do_syscall_64+0xc6/0x1e0 [ 492.358383][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.358383][ T1076] [ 492.360792][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 492.360792][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 492.360792][ T1076] ipv6_find_idev+0x102/0x170 [ 492.360792][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.360792][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.360792][ T1076] netlink_rcv_skb+0x130/0x360 [ 492.360792][ T1076] netlink_unicast+0x449/0x710 [ 492.360792][ T1076] netlink_sendmsg+0x723/0xbe0 [ 492.360792][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 492.360792][ T1076] ___sys_sendmsg+0xee/0x170 [ 492.360792][ T1076] __sys_sendmsg+0xcd/0x170 [ 492.360792][ T1076] do_syscall_64+0xc6/0x1e0 [ 492.360792][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.360792][ T1076] [ 492.362605][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 492.362605][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 492.362605][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 492.362605][ T1076] ipv6_find_idev+0x102/0x170 [ 492.362605][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.362605][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.362605][ T1076] netlink_rcv_skb+0x130/0x360 [ 492.362605][ T1076] netlink_unicast+0x449/0x710 [ 492.362605][ T1076] netlink_sendmsg+0x723/0xbe0 [ 492.362605][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 492.362605][ T1076] ___sys_sendmsg+0xee/0x170 [ 492.362605][ T1076] __sys_sendmsg+0xcd/0x170 [ 492.362605][ T1076] do_syscall_64+0xc6/0x1e0 [ 492.362605][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.362605][ T1076] [ 502.605775][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 502.606520][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 502.606520][ T1076] netdev_get_by_index+0x5e/0x80 [ 502.606520][ T1076] fib6_nh_init+0x3d8/0x1580 [ 502.606520][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 502.606520][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 502.606520][ T1076] ipv6_add_addr+0x411/0x2000 [ 502.606520][ T1076] inet6_addr_add+0x30e/0xa40 [ 502.606520][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 502.606520][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.606520][ T1076] netlink_rcv_skb+0x130/0x360 [ 502.606520][ T1076] netlink_unicast+0x449/0x710 [ 502.606520][ T1076] netlink_sendmsg+0x723/0xbe0 [ 502.606520][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 502.606520][ T1076] ___sys_sendmsg+0xee/0x170 [ 502.606520][ T1076] __sys_sendmsg+0xcd/0x170 [ 502.606520][ T1076] do_syscall_64+0xc6/0x1e0 [ 502.606520][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.606520][ T1076] [ 502.610329][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 502.610329][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 502.610329][ T1076] ipv6_find_idev+0x102/0x170 [ 502.610329][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.610329][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.610329][ T1076] netlink_rcv_skb+0x130/0x360 [ 502.610329][ T1076] netlink_unicast+0x449/0x710 [ 502.610329][ T1076] netlink_sendmsg+0x723/0xbe0 [ 502.610329][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 502.610329][ T1076] ___sys_sendmsg+0xee/0x170 [ 502.610329][ T1076] __sys_sendmsg+0xcd/0x170 [ 502.610329][ T1076] do_syscall_64+0xc6/0x1e0 [ 502.610329][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.610329][ T1076] [ 502.612196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 502.612196][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 502.612196][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 502.612196][ T1076] ipv6_find_idev+0x102/0x170 [ 502.612196][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.612196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.612196][ T1076] netlink_rcv_skb+0x130/0x360 [ 502.612196][ T1076] netlink_unicast+0x449/0x710 [ 502.612196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 502.612196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 502.612196][ T1076] ___sys_sendmsg+0xee/0x170 [ 502.612196][ T1076] __sys_sendmsg+0xcd/0x170 [ 502.612196][ T1076] do_syscall_64+0xc6/0x1e0 [ 502.612196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.612196][ T1076] [ 512.629730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 512.630252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 512.630252][ T1076] netdev_get_by_index+0x5e/0x80 [ 512.630252][ T1076] fib6_nh_init+0x3d8/0x1580 [ 512.630252][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 512.630252][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 512.630252][ T1076] ipv6_add_addr+0x411/0x2000 [ 512.630252][ T1076] inet6_addr_add+0x30e/0xa40 [ 512.630252][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 512.630252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.630252][ T1076] netlink_rcv_skb+0x130/0x360 [ 512.630252][ T1076] netlink_unicast+0x449/0x710 [ 512.630252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 512.630252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 512.630252][ T1076] ___sys_sendmsg+0xee/0x170 [ 512.630252][ T1076] __sys_sendmsg+0xcd/0x170 [ 512.630252][ T1076] do_syscall_64+0xc6/0x1e0 [ 512.630252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.630252][ T1076] [ 512.632631][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 512.632631][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 512.632631][ T1076] ipv6_find_idev+0x102/0x170 [ 512.632631][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.632631][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.632631][ T1076] netlink_rcv_skb+0x130/0x360 [ 512.632631][ T1076] netlink_unicast+0x449/0x710 [ 512.632631][ T1076] netlink_sendmsg+0x723/0xbe0 [ 512.632631][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 512.632631][ T1076] ___sys_sendmsg+0xee/0x170 [ 512.632631][ T1076] __sys_sendmsg+0xcd/0x170 [ 512.632631][ T1076] do_syscall_64+0xc6/0x1e0 [ 512.632631][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.632631][ T1076] [ 512.634445][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 512.634445][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 512.634445][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 512.634445][ T1076] ipv6_find_idev+0x102/0x170 [ 512.634445][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.634445][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.634445][ T1076] netlink_rcv_skb+0x130/0x360 [ 512.634445][ T1076] netlink_unicast+0x449/0x710 [ 512.634445][ T1076] netlink_sendmsg+0x723/0xbe0 [ 512.634445][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 512.634445][ T1076] ___sys_sendmsg+0xee/0x170 [ 512.634445][ T1076] __sys_sendmsg+0xcd/0x170 [ 512.634445][ T1076] do_syscall_64+0xc6/0x1e0 [ 512.634445][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.634445][ T1076] [ 522.877724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 522.878320][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 522.878320][ T1076] netdev_get_by_index+0x5e/0x80 [ 522.878320][ T1076] fib6_nh_init+0x3d8/0x1580 [ 522.878320][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 522.878320][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 522.878320][ T1076] ipv6_add_addr+0x411/0x2000 [ 522.878320][ T1076] inet6_addr_add+0x30e/0xa40 [ 522.878320][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 522.878320][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.878320][ T1076] netlink_rcv_skb+0x130/0x360 [ 522.878320][ T1076] netlink_unicast+0x449/0x710 [ 522.878320][ T1076] netlink_sendmsg+0x723/0xbe0 [ 522.878320][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 522.878320][ T1076] ___sys_sendmsg+0xee/0x170 [ 522.878320][ T1076] __sys_sendmsg+0xcd/0x170 [ 522.878320][ T1076] do_syscall_64+0xc6/0x1e0 [ 522.878320][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.878320][ T1076] [ 522.881145][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 522.881145][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 522.881145][ T1076] ipv6_find_idev+0x102/0x170 [ 522.881145][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.881145][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.881145][ T1076] netlink_rcv_skb+0x130/0x360 [ 522.881145][ T1076] netlink_unicast+0x449/0x710 [ 522.881145][ T1076] netlink_sendmsg+0x723/0xbe0 [ 522.881145][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 522.881145][ T1076] ___sys_sendmsg+0xee/0x170 [ 522.881145][ T1076] __sys_sendmsg+0xcd/0x170 [ 522.881145][ T1076] do_syscall_64+0xc6/0x1e0 [ 522.881145][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.881145][ T1076] [ 522.884015][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 522.884015][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 522.884015][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 522.884015][ T1076] ipv6_find_idev+0x102/0x170 [ 522.884015][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.884015][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.884015][ T1076] netlink_rcv_skb+0x130/0x360 [ 522.884015][ T1076] netlink_unicast+0x449/0x710 [ 522.884015][ T1076] netlink_sendmsg+0x723/0xbe0 [ 522.884015][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 522.884015][ T1076] ___sys_sendmsg+0xee/0x170 [ 522.884015][ T1076] __sys_sendmsg+0xcd/0x170 [ 522.884015][ T1076] do_syscall_64+0xc6/0x1e0 [ 522.884015][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.884015][ T1076] [ 533.125727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 533.126224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 533.126224][ T1076] netdev_get_by_index+0x5e/0x80 [ 533.126224][ T1076] fib6_nh_init+0x3d8/0x1580 [ 533.126224][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 533.126224][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 533.126224][ T1076] ipv6_add_addr+0x411/0x2000 [ 533.126224][ T1076] inet6_addr_add+0x30e/0xa40 [ 533.126224][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 533.126224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.126224][ T1076] netlink_rcv_skb+0x130/0x360 [ 533.126224][ T1076] netlink_unicast+0x449/0x710 [ 533.126224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 533.126224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 533.126224][ T1076] ___sys_sendmsg+0xee/0x170 [ 533.126224][ T1076] __sys_sendmsg+0xcd/0x170 [ 533.126224][ T1076] do_syscall_64+0xc6/0x1e0 [ 533.126224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.126224][ T1076] [ 533.128548][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 533.128548][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 533.128548][ T1076] ipv6_find_idev+0x102/0x170 [ 533.128548][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.128548][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.128548][ T1076] netlink_rcv_skb+0x130/0x360 [ 533.128548][ T1076] netlink_unicast+0x449/0x710 [ 533.128548][ T1076] netlink_sendmsg+0x723/0xbe0 [ 533.128548][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 533.128548][ T1076] ___sys_sendmsg+0xee/0x170 [ 533.128548][ T1076] __sys_sendmsg+0xcd/0x170 [ 533.128548][ T1076] do_syscall_64+0xc6/0x1e0 [ 533.128548][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.128548][ T1076] [ 533.130370][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 533.130370][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 533.130370][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 533.130370][ T1076] ipv6_find_idev+0x102/0x170 [ 533.130370][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.130370][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.130370][ T1076] netlink_rcv_skb+0x130/0x360 [ 533.130370][ T1076] netlink_unicast+0x449/0x710 [ 533.130370][ T1076] netlink_sendmsg+0x723/0xbe0 [ 533.130370][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 533.130370][ T1076] ___sys_sendmsg+0xee/0x170 [ 533.130370][ T1076] __sys_sendmsg+0xcd/0x170 [ 533.130370][ T1076] do_syscall_64+0xc6/0x1e0 [ 533.130370][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.130370][ T1076] [ 543.373679][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 543.374168][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 543.374168][ T1076] netdev_get_by_index+0x5e/0x80 [ 543.374168][ T1076] fib6_nh_init+0x3d8/0x1580 [ 543.374168][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 543.374168][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 543.374168][ T1076] ipv6_add_addr+0x411/0x2000 [ 543.374168][ T1076] inet6_addr_add+0x30e/0xa40 [ 543.374168][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 543.374168][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.374168][ T1076] netlink_rcv_skb+0x130/0x360 [ 543.374168][ T1076] netlink_unicast+0x449/0x710 [ 543.374168][ T1076] netlink_sendmsg+0x723/0xbe0 [ 543.374168][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 543.374168][ T1076] ___sys_sendmsg+0xee/0x170 [ 543.374168][ T1076] __sys_sendmsg+0xcd/0x170 [ 543.374168][ T1076] do_syscall_64+0xc6/0x1e0 [ 543.374168][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.374168][ T1076] [ 543.376521][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 543.376521][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 543.376521][ T1076] ipv6_find_idev+0x102/0x170 [ 543.376521][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.376521][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.376521][ T1076] netlink_rcv_skb+0x130/0x360 [ 543.376521][ T1076] netlink_unicast+0x449/0x710 [ 543.376521][ T1076] netlink_sendmsg+0x723/0xbe0 [ 543.376521][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 543.376521][ T1076] ___sys_sendmsg+0xee/0x170 [ 543.376521][ T1076] __sys_sendmsg+0xcd/0x170 [ 543.376521][ T1076] do_syscall_64+0xc6/0x1e0 [ 543.376521][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.376521][ T1076] [ 543.378288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 543.378288][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 543.378288][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 543.378288][ T1076] ipv6_find_idev+0x102/0x170 [ 543.378288][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.378288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.378288][ T1076] netlink_rcv_skb+0x130/0x360 [ 543.378288][ T1076] netlink_unicast+0x449/0x710 [ 543.378288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 543.378288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 543.378288][ T1076] ___sys_sendmsg+0xee/0x170 [ 543.378288][ T1076] __sys_sendmsg+0xcd/0x170 [ 543.378288][ T1076] do_syscall_64+0xc6/0x1e0 [ 543.378288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.378288][ T1076] [ 553.493727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 553.494298][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 553.494298][ T1076] netdev_get_by_index+0x5e/0x80 [ 553.494298][ T1076] fib6_nh_init+0x3d8/0x1580 [ 553.494298][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 553.494298][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 553.494298][ T1076] ipv6_add_addr+0x411/0x2000 [ 553.494298][ T1076] inet6_addr_add+0x30e/0xa40 [ 553.494298][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 553.494298][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.494298][ T1076] netlink_rcv_skb+0x130/0x360 [ 553.494298][ T1076] netlink_unicast+0x449/0x710 [ 553.494298][ T1076] netlink_sendmsg+0x723/0xbe0 [ 553.494298][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 553.494298][ T1076] ___sys_sendmsg+0xee/0x170 [ 553.494298][ T1076] __sys_sendmsg+0xcd/0x170 [ 553.494298][ T1076] do_syscall_64+0xc6/0x1e0 [ 553.494298][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.494298][ T1076] [ 553.496981][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 553.496981][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 553.496981][ T1076] ipv6_find_idev+0x102/0x170 [ 553.496981][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.496981][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.496981][ T1076] netlink_rcv_skb+0x130/0x360 [ 553.496981][ T1076] netlink_unicast+0x449/0x710 [ 553.496981][ T1076] netlink_sendmsg+0x723/0xbe0 [ 553.496981][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 553.496981][ T1076] ___sys_sendmsg+0xee/0x170 [ 553.496981][ T1076] __sys_sendmsg+0xcd/0x170 [ 553.496981][ T1076] do_syscall_64+0xc6/0x1e0 [ 553.496981][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.496981][ T1076] [ 553.499009][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 553.499009][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 553.499009][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 553.499009][ T1076] ipv6_find_idev+0x102/0x170 [ 553.499009][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.499009][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.499009][ T1076] netlink_rcv_skb+0x130/0x360 [ 553.499009][ T1076] netlink_unicast+0x449/0x710 [ 553.499009][ T1076] netlink_sendmsg+0x723/0xbe0 [ 553.499009][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 553.499009][ T1076] ___sys_sendmsg+0xee/0x170 [ 553.499009][ T1076] __sys_sendmsg+0xcd/0x170 [ 553.499009][ T1076] do_syscall_64+0xc6/0x1e0 [ 553.499009][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.499009][ T1076] [ 563.749737][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 563.750394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 563.750394][ T1076] netdev_get_by_index+0x5e/0x80 [ 563.750394][ T1076] fib6_nh_init+0x3d8/0x1580 [ 563.750394][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 563.750394][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 563.750394][ T1076] ipv6_add_addr+0x411/0x2000 [ 563.750394][ T1076] inet6_addr_add+0x30e/0xa40 [ 563.750394][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 563.750394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.750394][ T1076] netlink_rcv_skb+0x130/0x360 [ 563.750394][ T1076] netlink_unicast+0x449/0x710 [ 563.750394][ T1076] netlink_sendmsg+0x723/0xbe0 [ 563.750394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 563.750394][ T1076] ___sys_sendmsg+0xee/0x170 [ 563.750394][ T1076] __sys_sendmsg+0xcd/0x170 [ 563.750394][ T1076] do_syscall_64+0xc6/0x1e0 [ 563.750394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.750394][ T1076] [ 563.752987][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 563.752987][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 563.752987][ T1076] ipv6_find_idev+0x102/0x170 [ 563.752987][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.752987][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.752987][ T1076] netlink_rcv_skb+0x130/0x360 [ 563.752987][ T1076] netlink_unicast+0x449/0x710 [ 563.752987][ T1076] netlink_sendmsg+0x723/0xbe0 [ 563.752987][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 563.752987][ T1076] ___sys_sendmsg+0xee/0x170 [ 563.752987][ T1076] __sys_sendmsg+0xcd/0x170 [ 563.752987][ T1076] do_syscall_64+0xc6/0x1e0 [ 563.752987][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.752987][ T1076] [ 563.754936][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 563.754936][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 563.754936][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 563.754936][ T1076] ipv6_find_idev+0x102/0x170 [ 563.754936][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.754936][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.754936][ T1076] netlink_rcv_skb+0x130/0x360 [ 563.754936][ T1076] netlink_unicast+0x449/0x710 [ 563.754936][ T1076] netlink_sendmsg+0x723/0xbe0 [ 563.754936][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 563.754936][ T1076] ___sys_sendmsg+0xee/0x170 [ 563.754936][ T1076] __sys_sendmsg+0xcd/0x170 [ 563.754936][ T1076] do_syscall_64+0xc6/0x1e0 [ 563.754936][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.754936][ T1076] [ 574.005697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 574.006283][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 574.006283][ T1076] netdev_get_by_index+0x5e/0x80 [ 574.006283][ T1076] fib6_nh_init+0x3d8/0x1580 [ 574.006283][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 574.006283][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 574.006283][ T1076] ipv6_add_addr+0x411/0x2000 [ 574.006283][ T1076] inet6_addr_add+0x30e/0xa40 [ 574.006283][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 574.006283][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.006283][ T1076] netlink_rcv_skb+0x130/0x360 [ 574.006283][ T1076] netlink_unicast+0x449/0x710 [ 574.006283][ T1076] netlink_sendmsg+0x723/0xbe0 [ 574.006283][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 574.006283][ T1076] ___sys_sendmsg+0xee/0x170 [ 574.006283][ T1076] __sys_sendmsg+0xcd/0x170 [ 574.006283][ T1076] do_syscall_64+0xc6/0x1e0 [ 574.006283][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.006283][ T1076] [ 574.008731][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 574.008731][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 574.008731][ T1076] ipv6_find_idev+0x102/0x170 [ 574.008731][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.008731][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.008731][ T1076] netlink_rcv_skb+0x130/0x360 [ 574.008731][ T1076] netlink_unicast+0x449/0x710 [ 574.008731][ T1076] netlink_sendmsg+0x723/0xbe0 [ 574.008731][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 574.008731][ T1076] ___sys_sendmsg+0xee/0x170 [ 574.008731][ T1076] __sys_sendmsg+0xcd/0x170 [ 574.008731][ T1076] do_syscall_64+0xc6/0x1e0 [ 574.008731][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.008731][ T1076] [ 574.010533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 574.010533][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 574.010533][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 574.010533][ T1076] ipv6_find_idev+0x102/0x170 [ 574.010533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.010533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.010533][ T1076] netlink_rcv_skb+0x130/0x360 [ 574.010533][ T1076] netlink_unicast+0x449/0x710 [ 574.010533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 574.010533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 574.010533][ T1076] ___sys_sendmsg+0xee/0x170 [ 574.010533][ T1076] __sys_sendmsg+0xcd/0x170 [ 574.010533][ T1076] do_syscall_64+0xc6/0x1e0 [ 574.010533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.010533][ T1076] [ 584.117690][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 584.118235][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 584.118235][ T1076] netdev_get_by_index+0x5e/0x80 [ 584.118235][ T1076] fib6_nh_init+0x3d8/0x1580 [ 584.118235][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 584.118235][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 584.118235][ T1076] ipv6_add_addr+0x411/0x2000 [ 584.118235][ T1076] inet6_addr_add+0x30e/0xa40 [ 584.118235][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 584.118235][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.118235][ T1076] netlink_rcv_skb+0x130/0x360 [ 584.118235][ T1076] netlink_unicast+0x449/0x710 [ 584.118235][ T1076] netlink_sendmsg+0x723/0xbe0 [ 584.118235][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 584.118235][ T1076] ___sys_sendmsg+0xee/0x170 [ 584.118235][ T1076] __sys_sendmsg+0xcd/0x170 [ 584.118235][ T1076] do_syscall_64+0xc6/0x1e0 [ 584.118235][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.118235][ T1076] [ 584.120548][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 584.120548][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 584.120548][ T1076] ipv6_find_idev+0x102/0x170 [ 584.120548][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.120548][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.120548][ T1076] netlink_rcv_skb+0x130/0x360 [ 584.120548][ T1076] netlink_unicast+0x449/0x710 [ 584.120548][ T1076] netlink_sendmsg+0x723/0xbe0 [ 584.120548][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 584.120548][ T1076] ___sys_sendmsg+0xee/0x170 [ 584.120548][ T1076] __sys_sendmsg+0xcd/0x170 [ 584.120548][ T1076] do_syscall_64+0xc6/0x1e0 [ 584.120548][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.120548][ T1076] [ 584.122324][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 584.122324][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 584.122324][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 584.122324][ T1076] ipv6_find_idev+0x102/0x170 [ 584.122324][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.122324][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.122324][ T1076] netlink_rcv_skb+0x130/0x360 [ 584.122324][ T1076] netlink_unicast+0x449/0x710 [ 584.122324][ T1076] netlink_sendmsg+0x723/0xbe0 [ 584.122324][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 584.122324][ T1076] ___sys_sendmsg+0xee/0x170 [ 584.122324][ T1076] __sys_sendmsg+0xcd/0x170 [ 584.122324][ T1076] do_syscall_64+0xc6/0x1e0 [ 584.122324][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.122324][ T1076] [ 594.365717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 594.366461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 594.366461][ T1076] netdev_get_by_index+0x5e/0x80 [ 594.366461][ T1076] fib6_nh_init+0x3d8/0x1580 [ 594.366461][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 594.366461][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 594.366461][ T1076] ipv6_add_addr+0x411/0x2000 [ 594.366461][ T1076] inet6_addr_add+0x30e/0xa40 [ 594.366461][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 594.366461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.366461][ T1076] netlink_rcv_skb+0x130/0x360 [ 594.366461][ T1076] netlink_unicast+0x449/0x710 [ 594.366461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 594.366461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 594.366461][ T1076] ___sys_sendmsg+0xee/0x170 [ 594.366461][ T1076] __sys_sendmsg+0xcd/0x170 [ 594.366461][ T1076] do_syscall_64+0xc6/0x1e0 [ 594.366461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.366461][ T1076] [ 594.370004][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 594.370004][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 594.370004][ T1076] ipv6_find_idev+0x102/0x170 [ 594.370004][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.370004][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.370004][ T1076] netlink_rcv_skb+0x130/0x360 [ 594.370004][ T1076] netlink_unicast+0x449/0x710 [ 594.370004][ T1076] netlink_sendmsg+0x723/0xbe0 [ 594.370004][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 594.370004][ T1076] ___sys_sendmsg+0xee/0x170 [ 594.370004][ T1076] __sys_sendmsg+0xcd/0x170 [ 594.370004][ T1076] do_syscall_64+0xc6/0x1e0 [ 594.370004][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.370004][ T1076] [ 594.372620][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 594.372620][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 594.372620][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 594.372620][ T1076] ipv6_find_idev+0x102/0x170 [ 594.372620][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.372620][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.372620][ T1076] netlink_rcv_skb+0x130/0x360 [ 594.372620][ T1076] netlink_unicast+0x449/0x710 [ 594.372620][ T1076] netlink_sendmsg+0x723/0xbe0 [ 594.372620][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 594.372620][ T1076] ___sys_sendmsg+0xee/0x170 [ 594.372620][ T1076] __sys_sendmsg+0xcd/0x170 [ 594.372620][ T1076] do_syscall_64+0xc6/0x1e0 [ 594.372620][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.372620][ T1076] [ 604.613723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 604.614381][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 604.614381][ T1076] netdev_get_by_index+0x5e/0x80 [ 604.614381][ T1076] fib6_nh_init+0x3d8/0x1580 [ 604.614381][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 604.614381][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 604.614381][ T1076] ipv6_add_addr+0x411/0x2000 [ 604.614381][ T1076] inet6_addr_add+0x30e/0xa40 [ 604.614381][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 604.614381][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.614381][ T1076] netlink_rcv_skb+0x130/0x360 [ 604.614381][ T1076] netlink_unicast+0x449/0x710 [ 604.614381][ T1076] netlink_sendmsg+0x723/0xbe0 [ 604.614381][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 604.614381][ T1076] ___sys_sendmsg+0xee/0x170 [ 604.614381][ T1076] __sys_sendmsg+0xcd/0x170 [ 604.614381][ T1076] do_syscall_64+0xc6/0x1e0 [ 604.614381][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.614381][ T1076] [ 604.617891][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 604.617891][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 604.617891][ T1076] ipv6_find_idev+0x102/0x170 [ 604.617891][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.617891][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.617891][ T1076] netlink_rcv_skb+0x130/0x360 [ 604.617891][ T1076] netlink_unicast+0x449/0x710 [ 604.617891][ T1076] netlink_sendmsg+0x723/0xbe0 [ 604.617891][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 604.617891][ T1076] ___sys_sendmsg+0xee/0x170 [ 604.617891][ T1076] __sys_sendmsg+0xcd/0x170 [ 604.617891][ T1076] do_syscall_64+0xc6/0x1e0 [ 604.617891][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.617891][ T1076] [ 604.620736][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 604.620736][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 604.620736][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 604.620736][ T1076] ipv6_find_idev+0x102/0x170 [ 604.620736][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.620736][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.620736][ T1076] netlink_rcv_skb+0x130/0x360 [ 604.620736][ T1076] netlink_unicast+0x449/0x710 [ 604.620736][ T1076] netlink_sendmsg+0x723/0xbe0 [ 604.620736][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 604.620736][ T1076] ___sys_sendmsg+0xee/0x170 [ 604.620736][ T1076] __sys_sendmsg+0xcd/0x170 [ 604.620736][ T1076] do_syscall_64+0xc6/0x1e0 [ 604.620736][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.620736][ T1076] [ 614.877707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 614.878345][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 614.878345][ T1076] netdev_get_by_index+0x5e/0x80 [ 614.878345][ T1076] fib6_nh_init+0x3d8/0x1580 [ 614.878345][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 614.878345][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 614.878345][ T1076] ipv6_add_addr+0x411/0x2000 [ 614.878345][ T1076] inet6_addr_add+0x30e/0xa40 [ 614.878345][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 614.878345][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.878345][ T1076] netlink_rcv_skb+0x130/0x360 [ 614.878345][ T1076] netlink_unicast+0x449/0x710 [ 614.878345][ T1076] netlink_sendmsg+0x723/0xbe0 [ 614.878345][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 614.878345][ T1076] ___sys_sendmsg+0xee/0x170 [ 614.878345][ T1076] __sys_sendmsg+0xcd/0x170 [ 614.878345][ T1076] do_syscall_64+0xc6/0x1e0 [ 614.878345][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.878345][ T1076] [ 614.881974][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 614.881974][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 614.881974][ T1076] ipv6_find_idev+0x102/0x170 [ 614.881974][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.881974][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.881974][ T1076] netlink_rcv_skb+0x130/0x360 [ 614.881974][ T1076] netlink_unicast+0x449/0x710 [ 614.881974][ T1076] netlink_sendmsg+0x723/0xbe0 [ 614.881974][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 614.881974][ T1076] ___sys_sendmsg+0xee/0x170 [ 614.881974][ T1076] __sys_sendmsg+0xcd/0x170 [ 614.881974][ T1076] do_syscall_64+0xc6/0x1e0 [ 614.881974][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.881974][ T1076] [ 614.884532][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 614.884532][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 614.884532][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 614.884532][ T1076] ipv6_find_idev+0x102/0x170 [ 614.884532][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.884532][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.884532][ T1076] netlink_rcv_skb+0x130/0x360 [ 614.884532][ T1076] netlink_unicast+0x449/0x710 [ 614.884532][ T1076] netlink_sendmsg+0x723/0xbe0 [ 614.884532][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 614.884532][ T1076] ___sys_sendmsg+0xee/0x170 [ 614.884532][ T1076] __sys_sendmsg+0xcd/0x170 [ 614.884532][ T1076] do_syscall_64+0xc6/0x1e0 [ 614.884532][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.884532][ T1076] [ 625.125703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 625.126198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 625.126198][ T1076] netdev_get_by_index+0x5e/0x80 [ 625.126198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 625.126198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 625.126198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 625.126198][ T1076] ipv6_add_addr+0x411/0x2000 [ 625.126198][ T1076] inet6_addr_add+0x30e/0xa40 [ 625.126198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 625.126198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.126198][ T1076] netlink_rcv_skb+0x130/0x360 [ 625.126198][ T1076] netlink_unicast+0x449/0x710 [ 625.126198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 625.126198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 625.126198][ T1076] ___sys_sendmsg+0xee/0x170 [ 625.126198][ T1076] __sys_sendmsg+0xcd/0x170 [ 625.126198][ T1076] do_syscall_64+0xc6/0x1e0 [ 625.126198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.126198][ T1076] [ 625.128644][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 625.128644][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 625.128644][ T1076] ipv6_find_idev+0x102/0x170 [ 625.128644][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 625.128644][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.128644][ T1076] netlink_rcv_skb+0x130/0x360 [ 625.128644][ T1076] netlink_unicast+0x449/0x710 [ 625.128644][ T1076] netlink_sendmsg+0x723/0xbe0 [ 625.128644][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 625.128644][ T1076] ___sys_sendmsg+0xee/0x170 [ 625.128644][ T1076] __sys_sendmsg+0xcd/0x170 [ 625.128644][ T1076] do_syscall_64+0xc6/0x1e0 [ 625.128644][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.128644][ T1076] [ 625.130522][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 625.130522][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 625.130522][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 625.130522][ T1076] ipv6_find_idev+0x102/0x170 [ 625.130522][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 625.130522][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.130522][ T1076] netlink_rcv_skb+0x130/0x360 [ 625.130522][ T1076] netlink_unicast+0x449/0x710 [ 625.130522][ T1076] netlink_sendmsg+0x723/0xbe0 [ 625.130522][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 625.130522][ T1076] ___sys_sendmsg+0xee/0x170 [ 625.130522][ T1076] __sys_sendmsg+0xcd/0x170 [ 625.130522][ T1076] do_syscall_64+0xc6/0x1e0 [ 625.130522][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.130522][ T1076] [ 635.373742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 635.374263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 635.374263][ T1076] netdev_get_by_index+0x5e/0x80 [ 635.374263][ T1076] fib6_nh_init+0x3d8/0x1580 [ 635.374263][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 635.374263][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 635.374263][ T1076] ipv6_add_addr+0x411/0x2000 [ 635.374263][ T1076] inet6_addr_add+0x30e/0xa40 [ 635.374263][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 635.374263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.374263][ T1076] netlink_rcv_skb+0x130/0x360 [ 635.374263][ T1076] netlink_unicast+0x449/0x710 [ 635.374263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 635.374263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 635.374263][ T1076] ___sys_sendmsg+0xee/0x170 [ 635.374263][ T1076] __sys_sendmsg+0xcd/0x170 [ 635.374263][ T1076] do_syscall_64+0xc6/0x1e0 [ 635.374263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.374263][ T1076] [ 635.376604][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 635.376604][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 635.376604][ T1076] ipv6_find_idev+0x102/0x170 [ 635.376604][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 635.376604][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.376604][ T1076] netlink_rcv_skb+0x130/0x360 [ 635.376604][ T1076] netlink_unicast+0x449/0x710 [ 635.376604][ T1076] netlink_sendmsg+0x723/0xbe0 [ 635.376604][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 635.376604][ T1076] ___sys_sendmsg+0xee/0x170 [ 635.376604][ T1076] __sys_sendmsg+0xcd/0x170 [ 635.376604][ T1076] do_syscall_64+0xc6/0x1e0 [ 635.376604][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.376604][ T1076] [ 635.378367][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 635.378367][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 635.378367][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 635.378367][ T1076] ipv6_find_idev+0x102/0x170 [ 635.378367][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 635.378367][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.378367][ T1076] netlink_rcv_skb+0x130/0x360 [ 635.378367][ T1076] netlink_unicast+0x449/0x710 [ 635.378367][ T1076] netlink_sendmsg+0x723/0xbe0 [ 635.378367][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 635.378367][ T1076] ___sys_sendmsg+0xee/0x170 [ 635.378367][ T1076] __sys_sendmsg+0xcd/0x170 [ 635.378367][ T1076] do_syscall_64+0xc6/0x1e0 [ 635.378367][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.378367][ T1076] [ 645.621778][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 645.622264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 645.622264][ T1076] netdev_get_by_index+0x5e/0x80 [ 645.622264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 645.622264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 645.622264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 645.622264][ T1076] ipv6_add_addr+0x411/0x2000 [ 645.622264][ T1076] inet6_addr_add+0x30e/0xa40 [ 645.622264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 645.622264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.622264][ T1076] netlink_rcv_skb+0x130/0x360 [ 645.622264][ T1076] netlink_unicast+0x449/0x710 [ 645.622264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 645.622264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 645.622264][ T1076] ___sys_sendmsg+0xee/0x170 [ 645.622264][ T1076] __sys_sendmsg+0xcd/0x170 [ 645.622264][ T1076] do_syscall_64+0xc6/0x1e0 [ 645.622264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.622264][ T1076] [ 645.624567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 645.624567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 645.624567][ T1076] ipv6_find_idev+0x102/0x170 [ 645.624567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 645.624567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.624567][ T1076] netlink_rcv_skb+0x130/0x360 [ 645.624567][ T1076] netlink_unicast+0x449/0x710 [ 645.624567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 645.624567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 645.624567][ T1076] ___sys_sendmsg+0xee/0x170 [ 645.624567][ T1076] __sys_sendmsg+0xcd/0x170 [ 645.624567][ T1076] do_syscall_64+0xc6/0x1e0 [ 645.624567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.624567][ T1076] [ 645.626321][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 645.626321][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 645.626321][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 645.626321][ T1076] ipv6_find_idev+0x102/0x170 [ 645.626321][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 645.626321][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.626321][ T1076] netlink_rcv_skb+0x130/0x360 [ 645.626321][ T1076] netlink_unicast+0x449/0x710 [ 645.626321][ T1076] netlink_sendmsg+0x723/0xbe0 [ 645.626321][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 645.626321][ T1076] ___sys_sendmsg+0xee/0x170 [ 645.626321][ T1076] __sys_sendmsg+0xcd/0x170 [ 645.626321][ T1076] do_syscall_64+0xc6/0x1e0 [ 645.626321][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.626321][ T1076] [ 655.869687][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 655.870172][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 655.870172][ T1076] netdev_get_by_index+0x5e/0x80 [ 655.870172][ T1076] fib6_nh_init+0x3d8/0x1580 [ 655.870172][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 655.870172][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 655.870172][ T1076] ipv6_add_addr+0x411/0x2000 [ 655.870172][ T1076] inet6_addr_add+0x30e/0xa40 [ 655.870172][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 655.870172][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.870172][ T1076] netlink_rcv_skb+0x130/0x360 [ 655.870172][ T1076] netlink_unicast+0x449/0x710 [ 655.870172][ T1076] netlink_sendmsg+0x723/0xbe0 [ 655.870172][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 655.870172][ T1076] ___sys_sendmsg+0xee/0x170 [ 655.870172][ T1076] __sys_sendmsg+0xcd/0x170 [ 655.870172][ T1076] do_syscall_64+0xc6/0x1e0 [ 655.870172][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.870172][ T1076] [ 655.872708][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 655.872708][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 655.872708][ T1076] ipv6_find_idev+0x102/0x170 [ 655.872708][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.872708][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.872708][ T1076] netlink_rcv_skb+0x130/0x360 [ 655.872708][ T1076] netlink_unicast+0x449/0x710 [ 655.872708][ T1076] netlink_sendmsg+0x723/0xbe0 [ 655.872708][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 655.872708][ T1076] ___sys_sendmsg+0xee/0x170 [ 655.872708][ T1076] __sys_sendmsg+0xcd/0x170 [ 655.872708][ T1076] do_syscall_64+0xc6/0x1e0 [ 655.872708][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.872708][ T1076] [ 655.874703][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 655.874703][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 655.874703][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 655.874703][ T1076] ipv6_find_idev+0x102/0x170 [ 655.874703][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.874703][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.874703][ T1076] netlink_rcv_skb+0x130/0x360 [ 655.874703][ T1076] netlink_unicast+0x449/0x710 [ 655.874703][ T1076] netlink_sendmsg+0x723/0xbe0 [ 655.874703][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 655.874703][ T1076] ___sys_sendmsg+0xee/0x170 [ 655.874703][ T1076] __sys_sendmsg+0xcd/0x170 [ 655.874703][ T1076] do_syscall_64+0xc6/0x1e0 [ 655.874703][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.874703][ T1076] [ 665.893756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 665.894255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 665.894255][ T1076] netdev_get_by_index+0x5e/0x80 [ 665.894255][ T1076] fib6_nh_init+0x3d8/0x1580 [ 665.894255][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 665.894255][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 665.894255][ T1076] ipv6_add_addr+0x411/0x2000 [ 665.894255][ T1076] inet6_addr_add+0x30e/0xa40 [ 665.894255][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 665.894255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.894255][ T1076] netlink_rcv_skb+0x130/0x360 [ 665.894255][ T1076] netlink_unicast+0x449/0x710 [ 665.894255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 665.894255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 665.894255][ T1076] ___sys_sendmsg+0xee/0x170 [ 665.894255][ T1076] __sys_sendmsg+0xcd/0x170 [ 665.894255][ T1076] do_syscall_64+0xc6/0x1e0 [ 665.894255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.894255][ T1076] [ 665.896654][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 665.896654][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 665.896654][ T1076] ipv6_find_idev+0x102/0x170 [ 665.896654][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.896654][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.896654][ T1076] netlink_rcv_skb+0x130/0x360 [ 665.896654][ T1076] netlink_unicast+0x449/0x710 [ 665.896654][ T1076] netlink_sendmsg+0x723/0xbe0 [ 665.896654][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 665.896654][ T1076] ___sys_sendmsg+0xee/0x170 [ 665.896654][ T1076] __sys_sendmsg+0xcd/0x170 [ 665.896654][ T1076] do_syscall_64+0xc6/0x1e0 [ 665.896654][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.896654][ T1076] [ 665.898409][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 665.898409][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 665.898409][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 665.898409][ T1076] ipv6_find_idev+0x102/0x170 [ 665.898409][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.898409][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.898409][ T1076] netlink_rcv_skb+0x130/0x360 [ 665.898409][ T1076] netlink_unicast+0x449/0x710 [ 665.898409][ T1076] netlink_sendmsg+0x723/0xbe0 [ 665.898409][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 665.898409][ T1076] ___sys_sendmsg+0xee/0x170 [ 665.898409][ T1076] __sys_sendmsg+0xcd/0x170 [ 665.898409][ T1076] do_syscall_64+0xc6/0x1e0 [ 665.898409][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.898409][ T1076] [ 676.149706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 676.150194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 676.150194][ T1076] netdev_get_by_index+0x5e/0x80 [ 676.150194][ T1076] fib6_nh_init+0x3d8/0x1580 [ 676.150194][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 676.150194][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 676.150194][ T1076] ipv6_add_addr+0x411/0x2000 [ 676.150194][ T1076] inet6_addr_add+0x30e/0xa40 [ 676.150194][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 676.150194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.150194][ T1076] netlink_rcv_skb+0x130/0x360 [ 676.150194][ T1076] netlink_unicast+0x449/0x710 [ 676.150194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 676.150194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 676.150194][ T1076] ___sys_sendmsg+0xee/0x170 [ 676.150194][ T1076] __sys_sendmsg+0xcd/0x170 [ 676.150194][ T1076] do_syscall_64+0xc6/0x1e0 [ 676.150194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.150194][ T1076] [ 676.152690][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 676.152690][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 676.152690][ T1076] ipv6_find_idev+0x102/0x170 [ 676.152690][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 676.152690][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.152690][ T1076] netlink_rcv_skb+0x130/0x360 [ 676.152690][ T1076] netlink_unicast+0x449/0x710 [ 676.152690][ T1076] netlink_sendmsg+0x723/0xbe0 [ 676.152690][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 676.152690][ T1076] ___sys_sendmsg+0xee/0x170 [ 676.152690][ T1076] __sys_sendmsg+0xcd/0x170 [ 676.152690][ T1076] do_syscall_64+0xc6/0x1e0 [ 676.152690][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.152690][ T1076] [ 676.154443][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 676.154443][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 676.154443][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 676.154443][ T1076] ipv6_find_idev+0x102/0x170 [ 676.154443][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 676.154443][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.154443][ T1076] netlink_rcv_skb+0x130/0x360 [ 676.154443][ T1076] netlink_unicast+0x449/0x710 [ 676.154443][ T1076] netlink_sendmsg+0x723/0xbe0 [ 676.154443][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 676.154443][ T1076] ___sys_sendmsg+0xee/0x170 [ 676.154443][ T1076] __sys_sendmsg+0xcd/0x170 [ 676.154443][ T1076] do_syscall_64+0xc6/0x1e0 [ 676.154443][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.154443][ T1076] [ 686.261752][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 686.262311][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 686.262311][ T1076] netdev_get_by_index+0x5e/0x80 [ 686.262311][ T1076] fib6_nh_init+0x3d8/0x1580 [ 686.262311][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 686.262311][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 686.262311][ T1076] ipv6_add_addr+0x411/0x2000 [ 686.262311][ T1076] inet6_addr_add+0x30e/0xa40 [ 686.262311][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 686.262311][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.262311][ T1076] netlink_rcv_skb+0x130/0x360 [ 686.262311][ T1076] netlink_unicast+0x449/0x710 [ 686.262311][ T1076] netlink_sendmsg+0x723/0xbe0 [ 686.262311][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 686.262311][ T1076] ___sys_sendmsg+0xee/0x170 [ 686.262311][ T1076] __sys_sendmsg+0xcd/0x170 [ 686.262311][ T1076] do_syscall_64+0xc6/0x1e0 [ 686.262311][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.262311][ T1076] [ 686.264589][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 686.264589][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 686.264589][ T1076] ipv6_find_idev+0x102/0x170 [ 686.264589][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 686.264589][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.264589][ T1076] netlink_rcv_skb+0x130/0x360 [ 686.264589][ T1076] netlink_unicast+0x449/0x710 [ 686.264589][ T1076] netlink_sendmsg+0x723/0xbe0 [ 686.264589][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 686.264589][ T1076] ___sys_sendmsg+0xee/0x170 [ 686.264589][ T1076] __sys_sendmsg+0xcd/0x170 [ 686.264589][ T1076] do_syscall_64+0xc6/0x1e0 [ 686.264589][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.264589][ T1076] [ 686.266352][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 686.266352][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 686.266352][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 686.266352][ T1076] ipv6_find_idev+0x102/0x170 [ 686.266352][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 686.266352][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.266352][ T1076] netlink_rcv_skb+0x130/0x360 [ 686.266352][ T1076] netlink_unicast+0x449/0x710 [ 686.266352][ T1076] netlink_sendmsg+0x723/0xbe0 [ 686.266352][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 686.266352][ T1076] ___sys_sendmsg+0xee/0x170 [ 686.266352][ T1076] __sys_sendmsg+0xcd/0x170 [ 686.266352][ T1076] do_syscall_64+0xc6/0x1e0 [ 686.266352][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.266352][ T1076] [ 696.429666][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 696.430161][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 696.430161][ T1076] netdev_get_by_index+0x5e/0x80 [ 696.430161][ T1076] fib6_nh_init+0x3d8/0x1580 [ 696.430161][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 696.430161][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 696.430161][ T1076] ipv6_add_addr+0x411/0x2000 [ 696.430161][ T1076] inet6_addr_add+0x30e/0xa40 [ 696.430161][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 696.430161][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.430161][ T1076] netlink_rcv_skb+0x130/0x360 [ 696.430161][ T1076] netlink_unicast+0x449/0x710 [ 696.430161][ T1076] netlink_sendmsg+0x723/0xbe0 [ 696.430161][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 696.430161][ T1076] ___sys_sendmsg+0xee/0x170 [ 696.430161][ T1076] __sys_sendmsg+0xcd/0x170 [ 696.430161][ T1076] do_syscall_64+0xc6/0x1e0 [ 696.430161][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.430161][ T1076] [ 696.432652][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 696.432652][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 696.432652][ T1076] ipv6_find_idev+0x102/0x170 [ 696.432652][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.432652][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.432652][ T1076] netlink_rcv_skb+0x130/0x360 [ 696.432652][ T1076] netlink_unicast+0x449/0x710 [ 696.432652][ T1076] netlink_sendmsg+0x723/0xbe0 [ 696.432652][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 696.432652][ T1076] ___sys_sendmsg+0xee/0x170 [ 696.432652][ T1076] __sys_sendmsg+0xcd/0x170 [ 696.432652][ T1076] do_syscall_64+0xc6/0x1e0 [ 696.432652][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.432652][ T1076] [ 696.434540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 696.434540][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 696.434540][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 696.434540][ T1076] ipv6_find_idev+0x102/0x170 [ 696.434540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.434540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.434540][ T1076] netlink_rcv_skb+0x130/0x360 [ 696.434540][ T1076] netlink_unicast+0x449/0x710 [ 696.434540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 696.434540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 696.434540][ T1076] ___sys_sendmsg+0xee/0x170 [ 696.434540][ T1076] __sys_sendmsg+0xcd/0x170 [ 696.434540][ T1076] do_syscall_64+0xc6/0x1e0 [ 696.434540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.434540][ T1076] [ 706.685685][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 706.686201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 706.686201][ T1076] netdev_get_by_index+0x5e/0x80 [ 706.686201][ T1076] fib6_nh_init+0x3d8/0x1580 [ 706.686201][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 706.686201][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 706.686201][ T1076] ipv6_add_addr+0x411/0x2000 [ 706.686201][ T1076] inet6_addr_add+0x30e/0xa40 [ 706.686201][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 706.686201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.686201][ T1076] netlink_rcv_skb+0x130/0x360 [ 706.686201][ T1076] netlink_unicast+0x449/0x710 [ 706.686201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 706.686201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 706.686201][ T1076] ___sys_sendmsg+0xee/0x170 [ 706.686201][ T1076] __sys_sendmsg+0xcd/0x170 [ 706.686201][ T1076] do_syscall_64+0xc6/0x1e0 [ 706.686201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.686201][ T1076] [ 706.688477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 706.688477][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 706.688477][ T1076] ipv6_find_idev+0x102/0x170 [ 706.688477][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.688477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.688477][ T1076] netlink_rcv_skb+0x130/0x360 [ 706.688477][ T1076] netlink_unicast+0x449/0x710 [ 706.688477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 706.688477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 706.688477][ T1076] ___sys_sendmsg+0xee/0x170 [ 706.688477][ T1076] __sys_sendmsg+0xcd/0x170 [ 706.688477][ T1076] do_syscall_64+0xc6/0x1e0 [ 706.688477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.688477][ T1076] [ 706.690250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 706.690250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 706.690250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 706.690250][ T1076] ipv6_find_idev+0x102/0x170 [ 706.690250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.690250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.690250][ T1076] netlink_rcv_skb+0x130/0x360 [ 706.690250][ T1076] netlink_unicast+0x449/0x710 [ 706.690250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 706.690250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 706.690250][ T1076] ___sys_sendmsg+0xee/0x170 [ 706.690250][ T1076] __sys_sendmsg+0xcd/0x170 [ 706.690250][ T1076] do_syscall_64+0xc6/0x1e0 [ 706.690250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.690250][ T1076] [ 716.941680][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 716.942129][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 716.942129][ T1076] netdev_get_by_index+0x5e/0x80 [ 716.942129][ T1076] fib6_nh_init+0x3d8/0x1580 [ 716.942129][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 716.942129][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 716.942129][ T1076] ipv6_add_addr+0x411/0x2000 [ 716.942129][ T1076] inet6_addr_add+0x30e/0xa40 [ 716.942129][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 716.942129][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.942129][ T1076] netlink_rcv_skb+0x130/0x360 [ 716.942129][ T1076] netlink_unicast+0x449/0x710 [ 716.942129][ T1076] netlink_sendmsg+0x723/0xbe0 [ 716.942129][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 716.942129][ T1076] ___sys_sendmsg+0xee/0x170 [ 716.942129][ T1076] __sys_sendmsg+0xcd/0x170 [ 716.942129][ T1076] do_syscall_64+0xc6/0x1e0 [ 716.942129][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.942129][ T1076] [ 716.944519][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 716.944519][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 716.944519][ T1076] ipv6_find_idev+0x102/0x170 [ 716.944519][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.944519][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.944519][ T1076] netlink_rcv_skb+0x130/0x360 [ 716.944519][ T1076] netlink_unicast+0x449/0x710 [ 716.944519][ T1076] netlink_sendmsg+0x723/0xbe0 [ 716.944519][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 716.944519][ T1076] ___sys_sendmsg+0xee/0x170 [ 716.944519][ T1076] __sys_sendmsg+0xcd/0x170 [ 716.944519][ T1076] do_syscall_64+0xc6/0x1e0 [ 716.944519][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.944519][ T1076] [ 716.946394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 716.946394][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 716.946394][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 716.946394][ T1076] ipv6_find_idev+0x102/0x170 [ 716.946394][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.946394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.946394][ T1076] netlink_rcv_skb+0x130/0x360 [ 716.946394][ T1076] netlink_unicast+0x449/0x710 [ 716.946394][ T1076] netlink_sendmsg+0x723/0xbe0 [ 716.946394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 716.946394][ T1076] ___sys_sendmsg+0xee/0x170 [ 716.946394][ T1076] __sys_sendmsg+0xcd/0x170 [ 716.946394][ T1076] do_syscall_64+0xc6/0x1e0 [ 716.946394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.946394][ T1076] [ 727.173721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 727.174177][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 727.174177][ T1076] netdev_get_by_index+0x5e/0x80 [ 727.174177][ T1076] fib6_nh_init+0x3d8/0x1580 [ 727.174177][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 727.174177][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 727.174177][ T1076] ipv6_add_addr+0x411/0x2000 [ 727.174177][ T1076] inet6_addr_add+0x30e/0xa40 [ 727.174177][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 727.174177][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.174177][ T1076] netlink_rcv_skb+0x130/0x360 [ 727.174177][ T1076] netlink_unicast+0x449/0x710 [ 727.174177][ T1076] netlink_sendmsg+0x723/0xbe0 [ 727.174177][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 727.174177][ T1076] ___sys_sendmsg+0xee/0x170 [ 727.174177][ T1076] __sys_sendmsg+0xcd/0x170 [ 727.174177][ T1076] do_syscall_64+0xc6/0x1e0 [ 727.174177][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.174177][ T1076] [ 727.176470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 727.176470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 727.176470][ T1076] ipv6_find_idev+0x102/0x170 [ 727.176470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.176470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.176470][ T1076] netlink_rcv_skb+0x130/0x360 [ 727.176470][ T1076] netlink_unicast+0x449/0x710 [ 727.176470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 727.176470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 727.176470][ T1076] ___sys_sendmsg+0xee/0x170 [ 727.176470][ T1076] __sys_sendmsg+0xcd/0x170 [ 727.176470][ T1076] do_syscall_64+0xc6/0x1e0 [ 727.176470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.176470][ T1076] [ 727.178209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 727.178209][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 727.178209][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 727.178209][ T1076] ipv6_find_idev+0x102/0x170 [ 727.178209][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.178209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.178209][ T1076] netlink_rcv_skb+0x130/0x360 [ 727.178209][ T1076] netlink_unicast+0x449/0x710 [ 727.178209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 727.178209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 727.178209][ T1076] ___sys_sendmsg+0xee/0x170 [ 727.178209][ T1076] __sys_sendmsg+0xcd/0x170 [ 727.178209][ T1076] do_syscall_64+0xc6/0x1e0 [ 727.178209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.178209][ T1076] [ 737.421749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 737.422188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 737.422188][ T1076] netdev_get_by_index+0x5e/0x80 [ 737.422188][ T1076] fib6_nh_init+0x3d8/0x1580 [ 737.422188][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 737.422188][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 737.422188][ T1076] ipv6_add_addr+0x411/0x2000 [ 737.422188][ T1076] inet6_addr_add+0x30e/0xa40 [ 737.422188][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 737.422188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.422188][ T1076] netlink_rcv_skb+0x130/0x360 [ 737.422188][ T1076] netlink_unicast+0x449/0x710 [ 737.422188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 737.422188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 737.422188][ T1076] ___sys_sendmsg+0xee/0x170 [ 737.422188][ T1076] __sys_sendmsg+0xcd/0x170 [ 737.422188][ T1076] do_syscall_64+0xc6/0x1e0 [ 737.422188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.422188][ T1076] [ 737.424465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 737.424465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 737.424465][ T1076] ipv6_find_idev+0x102/0x170 [ 737.424465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.424465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.424465][ T1076] netlink_rcv_skb+0x130/0x360 [ 737.424465][ T1076] netlink_unicast+0x449/0x710 [ 737.424465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 737.424465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 737.424465][ T1076] ___sys_sendmsg+0xee/0x170 [ 737.424465][ T1076] __sys_sendmsg+0xcd/0x170 [ 737.424465][ T1076] do_syscall_64+0xc6/0x1e0 [ 737.424465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.424465][ T1076] [ 737.426234][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 737.426234][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 737.426234][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 737.426234][ T1076] ipv6_find_idev+0x102/0x170 [ 737.426234][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.426234][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.426234][ T1076] netlink_rcv_skb+0x130/0x360 [ 737.426234][ T1076] netlink_unicast+0x449/0x710 [ 737.426234][ T1076] netlink_sendmsg+0x723/0xbe0 [ 737.426234][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 737.426234][ T1076] ___sys_sendmsg+0xee/0x170 [ 737.426234][ T1076] __sys_sendmsg+0xcd/0x170 [ 737.426234][ T1076] do_syscall_64+0xc6/0x1e0 [ 737.426234][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.426234][ T1076] [ 747.669682][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 747.670239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 747.670239][ T1076] netdev_get_by_index+0x5e/0x80 [ 747.670239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 747.670239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 747.670239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 747.670239][ T1076] ipv6_add_addr+0x411/0x2000 [ 747.670239][ T1076] inet6_addr_add+0x30e/0xa40 [ 747.670239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 747.670239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.670239][ T1076] netlink_rcv_skb+0x130/0x360 [ 747.670239][ T1076] netlink_unicast+0x449/0x710 [ 747.670239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 747.670239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 747.670239][ T1076] ___sys_sendmsg+0xee/0x170 [ 747.670239][ T1076] __sys_sendmsg+0xcd/0x170 [ 747.670239][ T1076] do_syscall_64+0xc6/0x1e0 [ 747.670239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.670239][ T1076] [ 747.672509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 747.672509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 747.672509][ T1076] ipv6_find_idev+0x102/0x170 [ 747.672509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.672509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.672509][ T1076] netlink_rcv_skb+0x130/0x360 [ 747.672509][ T1076] netlink_unicast+0x449/0x710 [ 747.672509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 747.672509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 747.672509][ T1076] ___sys_sendmsg+0xee/0x170 [ 747.672509][ T1076] __sys_sendmsg+0xcd/0x170 [ 747.672509][ T1076] do_syscall_64+0xc6/0x1e0 [ 747.672509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.672509][ T1076] [ 747.674236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 747.674236][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 747.674236][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 747.674236][ T1076] ipv6_find_idev+0x102/0x170 [ 747.674236][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.674236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.674236][ T1076] netlink_rcv_skb+0x130/0x360 [ 747.674236][ T1076] netlink_unicast+0x449/0x710 [ 747.674236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 747.674236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 747.674236][ T1076] ___sys_sendmsg+0xee/0x170 [ 747.674236][ T1076] __sys_sendmsg+0xcd/0x170 [ 747.674236][ T1076] do_syscall_64+0xc6/0x1e0 [ 747.674236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.674236][ T1076] [ 757.717698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 757.718144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 757.718144][ T1076] netdev_get_by_index+0x5e/0x80 [ 757.718144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 757.718144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 757.718144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 757.718144][ T1076] ipv6_add_addr+0x411/0x2000 [ 757.718144][ T1076] inet6_addr_add+0x30e/0xa40 [ 757.718144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 757.718144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.718144][ T1076] netlink_rcv_skb+0x130/0x360 [ 757.718144][ T1076] netlink_unicast+0x449/0x710 [ 757.718144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 757.718144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 757.718144][ T1076] ___sys_sendmsg+0xee/0x170 [ 757.718144][ T1076] __sys_sendmsg+0xcd/0x170 [ 757.718144][ T1076] do_syscall_64+0xc6/0x1e0 [ 757.718144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.718144][ T1076] [ 757.720445][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 757.720445][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 757.720445][ T1076] ipv6_find_idev+0x102/0x170 [ 757.720445][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.720445][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.720445][ T1076] netlink_rcv_skb+0x130/0x360 [ 757.720445][ T1076] netlink_unicast+0x449/0x710 [ 757.720445][ T1076] netlink_sendmsg+0x723/0xbe0 [ 757.720445][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 757.720445][ T1076] ___sys_sendmsg+0xee/0x170 [ 757.720445][ T1076] __sys_sendmsg+0xcd/0x170 [ 757.720445][ T1076] do_syscall_64+0xc6/0x1e0 [ 757.720445][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.720445][ T1076] [ 757.722322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 757.722322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 757.722322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 757.722322][ T1076] ipv6_find_idev+0x102/0x170 [ 757.722322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.722322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.722322][ T1076] netlink_rcv_skb+0x130/0x360 [ 757.722322][ T1076] netlink_unicast+0x449/0x710 [ 757.722322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 757.722322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 757.722322][ T1076] ___sys_sendmsg+0xee/0x170 [ 757.722322][ T1076] __sys_sendmsg+0xcd/0x170 [ 757.722322][ T1076] do_syscall_64+0xc6/0x1e0 [ 757.722322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.722322][ T1076] [ 767.725696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 767.726390][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 767.726390][ T1076] netdev_get_by_index+0x5e/0x80 [ 767.726390][ T1076] fib6_nh_init+0x3d8/0x1580 [ 767.726390][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 767.726390][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 767.726390][ T1076] ipv6_add_addr+0x411/0x2000 [ 767.726390][ T1076] inet6_addr_add+0x30e/0xa40 [ 767.726390][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 767.726390][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.726390][ T1076] netlink_rcv_skb+0x130/0x360 [ 767.726390][ T1076] netlink_unicast+0x449/0x710 [ 767.726390][ T1076] netlink_sendmsg+0x723/0xbe0 [ 767.726390][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 767.726390][ T1076] ___sys_sendmsg+0xee/0x170 [ 767.726390][ T1076] __sys_sendmsg+0xcd/0x170 [ 767.726390][ T1076] do_syscall_64+0xc6/0x1e0 [ 767.726390][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.726390][ T1076] [ 767.728716][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 767.728716][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 767.728716][ T1076] ipv6_find_idev+0x102/0x170 [ 767.728716][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.728716][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.728716][ T1076] netlink_rcv_skb+0x130/0x360 [ 767.728716][ T1076] netlink_unicast+0x449/0x710 [ 767.728716][ T1076] netlink_sendmsg+0x723/0xbe0 [ 767.728716][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 767.728716][ T1076] ___sys_sendmsg+0xee/0x170 [ 767.728716][ T1076] __sys_sendmsg+0xcd/0x170 [ 767.728716][ T1076] do_syscall_64+0xc6/0x1e0 [ 767.728716][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.728716][ T1076] [ 767.730548][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 767.730548][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 767.730548][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 767.730548][ T1076] ipv6_find_idev+0x102/0x170 [ 767.730548][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.730548][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.730548][ T1076] netlink_rcv_skb+0x130/0x360 [ 767.730548][ T1076] netlink_unicast+0x449/0x710 [ 767.730548][ T1076] netlink_sendmsg+0x723/0xbe0 [ 767.730548][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 767.730548][ T1076] ___sys_sendmsg+0xee/0x170 [ 767.730548][ T1076] __sys_sendmsg+0xcd/0x170 [ 767.730548][ T1076] do_syscall_64+0xc6/0x1e0 [ 767.730548][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.730548][ T1076] [ 777.765723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 777.766386][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 777.766386][ T1076] netdev_get_by_index+0x5e/0x80 [ 777.766386][ T1076] fib6_nh_init+0x3d8/0x1580 [ 777.766386][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 777.766386][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 777.766386][ T1076] ipv6_add_addr+0x411/0x2000 [ 777.766386][ T1076] inet6_addr_add+0x30e/0xa40 [ 777.766386][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 777.766386][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.766386][ T1076] netlink_rcv_skb+0x130/0x360 [ 777.766386][ T1076] netlink_unicast+0x449/0x710 [ 777.766386][ T1076] netlink_sendmsg+0x723/0xbe0 [ 777.766386][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 777.766386][ T1076] ___sys_sendmsg+0xee/0x170 [ 777.766386][ T1076] __sys_sendmsg+0xcd/0x170 [ 777.766386][ T1076] do_syscall_64+0xc6/0x1e0 [ 777.766386][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.766386][ T1076] [ 777.770031][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 777.770031][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 777.770031][ T1076] ipv6_find_idev+0x102/0x170 [ 777.770031][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.770031][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.770031][ T1076] netlink_rcv_skb+0x130/0x360 [ 777.770031][ T1076] netlink_unicast+0x449/0x710 [ 777.770031][ T1076] netlink_sendmsg+0x723/0xbe0 [ 777.770031][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 777.770031][ T1076] ___sys_sendmsg+0xee/0x170 [ 777.770031][ T1076] __sys_sendmsg+0xcd/0x170 [ 777.770031][ T1076] do_syscall_64+0xc6/0x1e0 [ 777.770031][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.770031][ T1076] [ 777.772839][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 777.772839][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 777.772839][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 777.772839][ T1076] ipv6_find_idev+0x102/0x170 [ 777.772839][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.772839][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.772839][ T1076] netlink_rcv_skb+0x130/0x360 [ 777.772839][ T1076] netlink_unicast+0x449/0x710 [ 777.772839][ T1076] netlink_sendmsg+0x723/0xbe0 [ 777.772839][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 777.772839][ T1076] ___sys_sendmsg+0xee/0x170 [ 777.772839][ T1076] __sys_sendmsg+0xcd/0x170 [ 777.772839][ T1076] do_syscall_64+0xc6/0x1e0 [ 777.772839][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.772839][ T1076] [ 788.021676][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 788.022114][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 788.022114][ T1076] netdev_get_by_index+0x5e/0x80 [ 788.022114][ T1076] fib6_nh_init+0x3d8/0x1580 [ 788.022114][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 788.022114][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 788.022114][ T1076] ipv6_add_addr+0x411/0x2000 [ 788.022114][ T1076] inet6_addr_add+0x30e/0xa40 [ 788.022114][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 788.022114][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.022114][ T1076] netlink_rcv_skb+0x130/0x360 [ 788.022114][ T1076] netlink_unicast+0x449/0x710 [ 788.022114][ T1076] netlink_sendmsg+0x723/0xbe0 [ 788.022114][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 788.022114][ T1076] ___sys_sendmsg+0xee/0x170 [ 788.022114][ T1076] __sys_sendmsg+0xcd/0x170 [ 788.022114][ T1076] do_syscall_64+0xc6/0x1e0 [ 788.022114][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.022114][ T1076] [ 788.024425][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 788.024425][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 788.024425][ T1076] ipv6_find_idev+0x102/0x170 [ 788.024425][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.024425][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.024425][ T1076] netlink_rcv_skb+0x130/0x360 [ 788.024425][ T1076] netlink_unicast+0x449/0x710 [ 788.024425][ T1076] netlink_sendmsg+0x723/0xbe0 [ 788.024425][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 788.024425][ T1076] ___sys_sendmsg+0xee/0x170 [ 788.024425][ T1076] __sys_sendmsg+0xcd/0x170 [ 788.024425][ T1076] do_syscall_64+0xc6/0x1e0 [ 788.024425][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.024425][ T1076] [ 788.026199][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 788.026199][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 788.026199][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 788.026199][ T1076] ipv6_find_idev+0x102/0x170 [ 788.026199][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.026199][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.026199][ T1076] netlink_rcv_skb+0x130/0x360 [ 788.026199][ T1076] netlink_unicast+0x449/0x710 [ 788.026199][ T1076] netlink_sendmsg+0x723/0xbe0 [ 788.026199][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 788.026199][ T1076] ___sys_sendmsg+0xee/0x170 [ 788.026199][ T1076] __sys_sendmsg+0xcd/0x170 [ 788.026199][ T1076] do_syscall_64+0xc6/0x1e0 [ 788.026199][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.026199][ T1076] [ 798.093706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 798.094201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 798.094201][ T1076] netdev_get_by_index+0x5e/0x80 [ 798.094201][ T1076] fib6_nh_init+0x3d8/0x1580 [ 798.094201][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 798.094201][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 798.094201][ T1076] ipv6_add_addr+0x411/0x2000 [ 798.094201][ T1076] inet6_addr_add+0x30e/0xa40 [ 798.094201][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 798.094201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.094201][ T1076] netlink_rcv_skb+0x130/0x360 [ 798.094201][ T1076] netlink_unicast+0x449/0x710 [ 798.094201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 798.094201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 798.094201][ T1076] ___sys_sendmsg+0xee/0x170 [ 798.094201][ T1076] __sys_sendmsg+0xcd/0x170 [ 798.094201][ T1076] do_syscall_64+0xc6/0x1e0 [ 798.094201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.094201][ T1076] [ 798.096673][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 798.096673][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 798.096673][ T1076] ipv6_find_idev+0x102/0x170 [ 798.096673][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.096673][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.096673][ T1076] netlink_rcv_skb+0x130/0x360 [ 798.096673][ T1076] netlink_unicast+0x449/0x710 [ 798.096673][ T1076] netlink_sendmsg+0x723/0xbe0 [ 798.096673][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 798.096673][ T1076] ___sys_sendmsg+0xee/0x170 [ 798.096673][ T1076] __sys_sendmsg+0xcd/0x170 [ 798.096673][ T1076] do_syscall_64+0xc6/0x1e0 [ 798.096673][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.096673][ T1076] [ 798.098617][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 798.098617][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 798.098617][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 798.098617][ T1076] ipv6_find_idev+0x102/0x170 [ 798.098617][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.098617][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.098617][ T1076] netlink_rcv_skb+0x130/0x360 [ 798.098617][ T1076] netlink_unicast+0x449/0x710 [ 798.098617][ T1076] netlink_sendmsg+0x723/0xbe0 [ 798.098617][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 798.098617][ T1076] ___sys_sendmsg+0xee/0x170 [ 798.098617][ T1076] __sys_sendmsg+0xcd/0x170 [ 798.098617][ T1076] do_syscall_64+0xc6/0x1e0 [ 798.098617][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.098617][ T1076] [ 808.341774][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 808.342287][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 808.342287][ T1076] netdev_get_by_index+0x5e/0x80 [ 808.342287][ T1076] fib6_nh_init+0x3d8/0x1580 [ 808.342287][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 808.342287][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 808.342287][ T1076] ipv6_add_addr+0x411/0x2000 [ 808.342287][ T1076] inet6_addr_add+0x30e/0xa40 [ 808.342287][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 808.342287][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.342287][ T1076] netlink_rcv_skb+0x130/0x360 [ 808.342287][ T1076] netlink_unicast+0x449/0x710 [ 808.342287][ T1076] netlink_sendmsg+0x723/0xbe0 [ 808.342287][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 808.342287][ T1076] ___sys_sendmsg+0xee/0x170 [ 808.342287][ T1076] __sys_sendmsg+0xcd/0x170 [ 808.342287][ T1076] do_syscall_64+0xc6/0x1e0 [ 808.342287][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.342287][ T1076] [ 808.344555][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 808.344555][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 808.344555][ T1076] ipv6_find_idev+0x102/0x170 [ 808.344555][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.344555][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.344555][ T1076] netlink_rcv_skb+0x130/0x360 [ 808.344555][ T1076] netlink_unicast+0x449/0x710 [ 808.344555][ T1076] netlink_sendmsg+0x723/0xbe0 [ 808.344555][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 808.344555][ T1076] ___sys_sendmsg+0xee/0x170 [ 808.344555][ T1076] __sys_sendmsg+0xcd/0x170 [ 808.344555][ T1076] do_syscall_64+0xc6/0x1e0 [ 808.344555][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.344555][ T1076] [ 808.346313][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 808.346313][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 808.346313][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 808.346313][ T1076] ipv6_find_idev+0x102/0x170 [ 808.346313][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.346313][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.346313][ T1076] netlink_rcv_skb+0x130/0x360 [ 808.346313][ T1076] netlink_unicast+0x449/0x710 [ 808.346313][ T1076] netlink_sendmsg+0x723/0xbe0 [ 808.346313][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 808.346313][ T1076] ___sys_sendmsg+0xee/0x170 [ 808.346313][ T1076] __sys_sendmsg+0xcd/0x170 [ 808.346313][ T1076] do_syscall_64+0xc6/0x1e0 [ 808.346313][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.346313][ T1076] [ 818.589693][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 818.590192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 818.590192][ T1076] netdev_get_by_index+0x5e/0x80 [ 818.590192][ T1076] fib6_nh_init+0x3d8/0x1580 [ 818.590192][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 818.590192][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 818.590192][ T1076] ipv6_add_addr+0x411/0x2000 [ 818.590192][ T1076] inet6_addr_add+0x30e/0xa40 [ 818.590192][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 818.590192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.590192][ T1076] netlink_rcv_skb+0x130/0x360 [ 818.590192][ T1076] netlink_unicast+0x449/0x710 [ 818.590192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 818.590192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 818.590192][ T1076] ___sys_sendmsg+0xee/0x170 [ 818.590192][ T1076] __sys_sendmsg+0xcd/0x170 [ 818.590192][ T1076] do_syscall_64+0xc6/0x1e0 [ 818.590192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.590192][ T1076] [ 818.592488][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 818.592488][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 818.592488][ T1076] ipv6_find_idev+0x102/0x170 [ 818.592488][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.592488][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.592488][ T1076] netlink_rcv_skb+0x130/0x360 [ 818.592488][ T1076] netlink_unicast+0x449/0x710 [ 818.592488][ T1076] netlink_sendmsg+0x723/0xbe0 [ 818.592488][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 818.592488][ T1076] ___sys_sendmsg+0xee/0x170 [ 818.592488][ T1076] __sys_sendmsg+0xcd/0x170 [ 818.592488][ T1076] do_syscall_64+0xc6/0x1e0 [ 818.592488][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.592488][ T1076] [ 818.594222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 818.594222][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 818.594222][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 818.594222][ T1076] ipv6_find_idev+0x102/0x170 [ 818.594222][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.594222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.594222][ T1076] netlink_rcv_skb+0x130/0x360 [ 818.594222][ T1076] netlink_unicast+0x449/0x710 [ 818.594222][ T1076] netlink_sendmsg+0x723/0xbe0 [ 818.594222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 818.594222][ T1076] ___sys_sendmsg+0xee/0x170 [ 818.594222][ T1076] __sys_sendmsg+0xcd/0x170 [ 818.594222][ T1076] do_syscall_64+0xc6/0x1e0 [ 818.594222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.594222][ T1076] [ 828.837752][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 828.838208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 828.838208][ T1076] netdev_get_by_index+0x5e/0x80 [ 828.838208][ T1076] fib6_nh_init+0x3d8/0x1580 [ 828.838208][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 828.838208][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 828.838208][ T1076] ipv6_add_addr+0x411/0x2000 [ 828.838208][ T1076] inet6_addr_add+0x30e/0xa40 [ 828.838208][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 828.838208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.838208][ T1076] netlink_rcv_skb+0x130/0x360 [ 828.838208][ T1076] netlink_unicast+0x449/0x710 [ 828.838208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 828.838208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 828.838208][ T1076] ___sys_sendmsg+0xee/0x170 [ 828.838208][ T1076] __sys_sendmsg+0xcd/0x170 [ 828.838208][ T1076] do_syscall_64+0xc6/0x1e0 [ 828.838208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.838208][ T1076] [ 828.840511][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 828.840511][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 828.840511][ T1076] ipv6_find_idev+0x102/0x170 [ 828.840511][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.840511][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.840511][ T1076] netlink_rcv_skb+0x130/0x360 [ 828.840511][ T1076] netlink_unicast+0x449/0x710 [ 828.840511][ T1076] netlink_sendmsg+0x723/0xbe0 [ 828.840511][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 828.840511][ T1076] ___sys_sendmsg+0xee/0x170 [ 828.840511][ T1076] __sys_sendmsg+0xcd/0x170 [ 828.840511][ T1076] do_syscall_64+0xc6/0x1e0 [ 828.840511][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.840511][ T1076] [ 828.842249][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 828.842249][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 828.842249][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 828.842249][ T1076] ipv6_find_idev+0x102/0x170 [ 828.842249][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.842249][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.842249][ T1076] netlink_rcv_skb+0x130/0x360 [ 828.842249][ T1076] netlink_unicast+0x449/0x710 [ 828.842249][ T1076] netlink_sendmsg+0x723/0xbe0 [ 828.842249][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 828.842249][ T1076] ___sys_sendmsg+0xee/0x170 [ 828.842249][ T1076] __sys_sendmsg+0xcd/0x170 [ 828.842249][ T1076] do_syscall_64+0xc6/0x1e0 [ 828.842249][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.842249][ T1076] [ 839.085761][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 839.086274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 839.086274][ T1076] netdev_get_by_index+0x5e/0x80 [ 839.086274][ T1076] fib6_nh_init+0x3d8/0x1580 [ 839.086274][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 839.086274][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 839.086274][ T1076] ipv6_add_addr+0x411/0x2000 [ 839.086274][ T1076] inet6_addr_add+0x30e/0xa40 [ 839.086274][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 839.086274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.086274][ T1076] netlink_rcv_skb+0x130/0x360 [ 839.086274][ T1076] netlink_unicast+0x449/0x710 [ 839.086274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 839.086274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 839.086274][ T1076] ___sys_sendmsg+0xee/0x170 [ 839.086274][ T1076] __sys_sendmsg+0xcd/0x170 [ 839.086274][ T1076] do_syscall_64+0xc6/0x1e0 [ 839.086274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.086274][ T1076] [ 839.088534][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 839.088534][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 839.088534][ T1076] ipv6_find_idev+0x102/0x170 [ 839.088534][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.088534][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.088534][ T1076] netlink_rcv_skb+0x130/0x360 [ 839.088534][ T1076] netlink_unicast+0x449/0x710 [ 839.088534][ T1076] netlink_sendmsg+0x723/0xbe0 [ 839.088534][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 839.088534][ T1076] ___sys_sendmsg+0xee/0x170 [ 839.088534][ T1076] __sys_sendmsg+0xcd/0x170 [ 839.088534][ T1076] do_syscall_64+0xc6/0x1e0 [ 839.088534][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.088534][ T1076] [ 839.090274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 839.090274][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 839.090274][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 839.090274][ T1076] ipv6_find_idev+0x102/0x170 [ 839.090274][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.090274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.090274][ T1076] netlink_rcv_skb+0x130/0x360 [ 839.090274][ T1076] netlink_unicast+0x449/0x710 [ 839.090274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 839.090274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 839.090274][ T1076] ___sys_sendmsg+0xee/0x170 [ 839.090274][ T1076] __sys_sendmsg+0xcd/0x170 [ 839.090274][ T1076] do_syscall_64+0xc6/0x1e0 [ 839.090274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.090274][ T1076] [ 849.333743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 849.334264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 849.334264][ T1076] netdev_get_by_index+0x5e/0x80 [ 849.334264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 849.334264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 849.334264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 849.334264][ T1076] ipv6_add_addr+0x411/0x2000 [ 849.334264][ T1076] inet6_addr_add+0x30e/0xa40 [ 849.334264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 849.334264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.334264][ T1076] netlink_rcv_skb+0x130/0x360 [ 849.334264][ T1076] netlink_unicast+0x449/0x710 [ 849.334264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 849.334264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 849.334264][ T1076] ___sys_sendmsg+0xee/0x170 [ 849.334264][ T1076] __sys_sendmsg+0xcd/0x170 [ 849.334264][ T1076] do_syscall_64+0xc6/0x1e0 [ 849.334264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.334264][ T1076] [ 849.336533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 849.336533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 849.336533][ T1076] ipv6_find_idev+0x102/0x170 [ 849.336533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.336533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.336533][ T1076] netlink_rcv_skb+0x130/0x360 [ 849.336533][ T1076] netlink_unicast+0x449/0x710 [ 849.336533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 849.336533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 849.336533][ T1076] ___sys_sendmsg+0xee/0x170 [ 849.336533][ T1076] __sys_sendmsg+0xcd/0x170 [ 849.336533][ T1076] do_syscall_64+0xc6/0x1e0 [ 849.336533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.336533][ T1076] [ 849.338289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 849.338289][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 849.338289][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 849.338289][ T1076] ipv6_find_idev+0x102/0x170 [ 849.338289][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.338289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.338289][ T1076] netlink_rcv_skb+0x130/0x360 [ 849.338289][ T1076] netlink_unicast+0x449/0x710 [ 849.338289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 849.338289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 849.338289][ T1076] ___sys_sendmsg+0xee/0x170 [ 849.338289][ T1076] __sys_sendmsg+0xcd/0x170 [ 849.338289][ T1076] do_syscall_64+0xc6/0x1e0 [ 849.338289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.338289][ T1076] [ 859.405731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 859.406235][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 859.406235][ T1076] netdev_get_by_index+0x5e/0x80 [ 859.406235][ T1076] fib6_nh_init+0x3d8/0x1580 [ 859.406235][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 859.406235][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 859.406235][ T1076] ipv6_add_addr+0x411/0x2000 [ 859.406235][ T1076] inet6_addr_add+0x30e/0xa40 [ 859.406235][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 859.406235][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.406235][ T1076] netlink_rcv_skb+0x130/0x360 [ 859.406235][ T1076] netlink_unicast+0x449/0x710 [ 859.406235][ T1076] netlink_sendmsg+0x723/0xbe0 [ 859.406235][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 859.406235][ T1076] ___sys_sendmsg+0xee/0x170 [ 859.406235][ T1076] __sys_sendmsg+0xcd/0x170 [ 859.406235][ T1076] do_syscall_64+0xc6/0x1e0 [ 859.406235][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.406235][ T1076] [ 859.408500][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 859.408500][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 859.408500][ T1076] ipv6_find_idev+0x102/0x170 [ 859.408500][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 859.408500][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.408500][ T1076] netlink_rcv_skb+0x130/0x360 [ 859.408500][ T1076] netlink_unicast+0x449/0x710 [ 859.408500][ T1076] netlink_sendmsg+0x723/0xbe0 [ 859.408500][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 859.408500][ T1076] ___sys_sendmsg+0xee/0x170 [ 859.408500][ T1076] __sys_sendmsg+0xcd/0x170 [ 859.408500][ T1076] do_syscall_64+0xc6/0x1e0 [ 859.408500][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.408500][ T1076] [ 859.410230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 859.410230][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 859.410230][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 859.410230][ T1076] ipv6_find_idev+0x102/0x170 [ 859.410230][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 859.410230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.410230][ T1076] netlink_rcv_skb+0x130/0x360 [ 859.410230][ T1076] netlink_unicast+0x449/0x710 [ 859.410230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 859.410230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 859.410230][ T1076] ___sys_sendmsg+0xee/0x170 [ 859.410230][ T1076] __sys_sendmsg+0xcd/0x170 [ 859.410230][ T1076] do_syscall_64+0xc6/0x1e0 [ 859.410230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.410230][ T1076] [ 869.661694][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 869.662214][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 869.662214][ T1076] netdev_get_by_index+0x5e/0x80 [ 869.662214][ T1076] fib6_nh_init+0x3d8/0x1580 [ 869.662214][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 869.662214][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 869.662214][ T1076] ipv6_add_addr+0x411/0x2000 [ 869.662214][ T1076] inet6_addr_add+0x30e/0xa40 [ 869.662214][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 869.662214][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.662214][ T1076] netlink_rcv_skb+0x130/0x360 [ 869.662214][ T1076] netlink_unicast+0x449/0x710 [ 869.662214][ T1076] netlink_sendmsg+0x723/0xbe0 [ 869.662214][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 869.662214][ T1076] ___sys_sendmsg+0xee/0x170 [ 869.662214][ T1076] __sys_sendmsg+0xcd/0x170 [ 869.662214][ T1076] do_syscall_64+0xc6/0x1e0 [ 869.662214][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.662214][ T1076] [ 869.664497][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 869.664497][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 869.664497][ T1076] ipv6_find_idev+0x102/0x170 [ 869.664497][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.664497][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.664497][ T1076] netlink_rcv_skb+0x130/0x360 [ 869.664497][ T1076] netlink_unicast+0x449/0x710 [ 869.664497][ T1076] netlink_sendmsg+0x723/0xbe0 [ 869.664497][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 869.664497][ T1076] ___sys_sendmsg+0xee/0x170 [ 869.664497][ T1076] __sys_sendmsg+0xcd/0x170 [ 869.664497][ T1076] do_syscall_64+0xc6/0x1e0 [ 869.664497][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.664497][ T1076] [ 869.666243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 869.666243][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 869.666243][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 869.666243][ T1076] ipv6_find_idev+0x102/0x170 [ 869.666243][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.666243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.666243][ T1076] netlink_rcv_skb+0x130/0x360 [ 869.666243][ T1076] netlink_unicast+0x449/0x710 [ 869.666243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 869.666243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 869.666243][ T1076] ___sys_sendmsg+0xee/0x170 [ 869.666243][ T1076] __sys_sendmsg+0xcd/0x170 [ 869.666243][ T1076] do_syscall_64+0xc6/0x1e0 [ 869.666243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.666243][ T1076] [ 879.917690][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 879.918245][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 879.918245][ T1076] netdev_get_by_index+0x5e/0x80 [ 879.918245][ T1076] fib6_nh_init+0x3d8/0x1580 [ 879.918245][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 879.918245][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 879.918245][ T1076] ipv6_add_addr+0x411/0x2000 [ 879.918245][ T1076] inet6_addr_add+0x30e/0xa40 [ 879.918245][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 879.918245][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.918245][ T1076] netlink_rcv_skb+0x130/0x360 [ 879.918245][ T1076] netlink_unicast+0x449/0x710 [ 879.918245][ T1076] netlink_sendmsg+0x723/0xbe0 [ 879.918245][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 879.918245][ T1076] ___sys_sendmsg+0xee/0x170 [ 879.918245][ T1076] __sys_sendmsg+0xcd/0x170 [ 879.918245][ T1076] do_syscall_64+0xc6/0x1e0 [ 879.918245][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.918245][ T1076] [ 879.920707][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 879.920707][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 879.920707][ T1076] ipv6_find_idev+0x102/0x170 [ 879.920707][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 879.920707][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.920707][ T1076] netlink_rcv_skb+0x130/0x360 [ 879.920707][ T1076] netlink_unicast+0x449/0x710 [ 879.920707][ T1076] netlink_sendmsg+0x723/0xbe0 [ 879.920707][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 879.920707][ T1076] ___sys_sendmsg+0xee/0x170 [ 879.920707][ T1076] __sys_sendmsg+0xcd/0x170 [ 879.920707][ T1076] do_syscall_64+0xc6/0x1e0 [ 879.920707][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.920707][ T1076] [ 879.922550][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 879.922550][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 879.922550][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 879.922550][ T1076] ipv6_find_idev+0x102/0x170 [ 879.922550][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 879.922550][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.922550][ T1076] netlink_rcv_skb+0x130/0x360 [ 879.922550][ T1076] netlink_unicast+0x449/0x710 [ 879.922550][ T1076] netlink_sendmsg+0x723/0xbe0 [ 879.922550][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 879.922550][ T1076] ___sys_sendmsg+0xee/0x170 [ 879.922550][ T1076] __sys_sendmsg+0xcd/0x170 [ 879.922550][ T1076] do_syscall_64+0xc6/0x1e0 [ 879.922550][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.922550][ T1076] [ 889.933728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 889.934240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 889.934240][ T1076] netdev_get_by_index+0x5e/0x80 [ 889.934240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 889.934240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 889.934240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 889.934240][ T1076] ipv6_add_addr+0x411/0x2000 [ 889.934240][ T1076] inet6_addr_add+0x30e/0xa40 [ 889.934240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 889.934240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.934240][ T1076] netlink_rcv_skb+0x130/0x360 [ 889.934240][ T1076] netlink_unicast+0x449/0x710 [ 889.934240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 889.934240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 889.934240][ T1076] ___sys_sendmsg+0xee/0x170 [ 889.934240][ T1076] __sys_sendmsg+0xcd/0x170 [ 889.934240][ T1076] do_syscall_64+0xc6/0x1e0 [ 889.934240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.934240][ T1076] [ 889.936753][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 889.936753][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 889.936753][ T1076] ipv6_find_idev+0x102/0x170 [ 889.936753][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.936753][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.936753][ T1076] netlink_rcv_skb+0x130/0x360 [ 889.936753][ T1076] netlink_unicast+0x449/0x710 [ 889.936753][ T1076] netlink_sendmsg+0x723/0xbe0 [ 889.936753][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 889.936753][ T1076] ___sys_sendmsg+0xee/0x170 [ 889.936753][ T1076] __sys_sendmsg+0xcd/0x170 [ 889.936753][ T1076] do_syscall_64+0xc6/0x1e0 [ 889.936753][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.936753][ T1076] [ 889.938676][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 889.938676][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 889.938676][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 889.938676][ T1076] ipv6_find_idev+0x102/0x170 [ 889.938676][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.938676][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.938676][ T1076] netlink_rcv_skb+0x130/0x360 [ 889.938676][ T1076] netlink_unicast+0x449/0x710 [ 889.938676][ T1076] netlink_sendmsg+0x723/0xbe0 [ 889.938676][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 889.938676][ T1076] ___sys_sendmsg+0xee/0x170 [ 889.938676][ T1076] __sys_sendmsg+0xcd/0x170 [ 889.938676][ T1076] do_syscall_64+0xc6/0x1e0 [ 889.938676][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.938676][ T1076] [ 900.181756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 900.182282][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 900.182282][ T1076] netdev_get_by_index+0x5e/0x80 [ 900.182282][ T1076] fib6_nh_init+0x3d8/0x1580 [ 900.182282][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 900.182282][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 900.182282][ T1076] ipv6_add_addr+0x411/0x2000 [ 900.182282][ T1076] inet6_addr_add+0x30e/0xa40 [ 900.182282][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 900.182282][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.182282][ T1076] netlink_rcv_skb+0x130/0x360 [ 900.182282][ T1076] netlink_unicast+0x449/0x710 [ 900.182282][ T1076] netlink_sendmsg+0x723/0xbe0 [ 900.182282][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 900.182282][ T1076] ___sys_sendmsg+0xee/0x170 [ 900.182282][ T1076] __sys_sendmsg+0xcd/0x170 [ 900.182282][ T1076] do_syscall_64+0xc6/0x1e0 [ 900.182282][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.182282][ T1076] [ 900.184578][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 900.184578][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 900.184578][ T1076] ipv6_find_idev+0x102/0x170 [ 900.184578][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.184578][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.184578][ T1076] netlink_rcv_skb+0x130/0x360 [ 900.184578][ T1076] netlink_unicast+0x449/0x710 [ 900.184578][ T1076] netlink_sendmsg+0x723/0xbe0 [ 900.184578][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 900.184578][ T1076] ___sys_sendmsg+0xee/0x170 [ 900.184578][ T1076] __sys_sendmsg+0xcd/0x170 [ 900.184578][ T1076] do_syscall_64+0xc6/0x1e0 [ 900.184578][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.184578][ T1076] [ 900.186322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 900.186322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 900.186322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 900.186322][ T1076] ipv6_find_idev+0x102/0x170 [ 900.186322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.186322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.186322][ T1076] netlink_rcv_skb+0x130/0x360 [ 900.186322][ T1076] netlink_unicast+0x449/0x710 [ 900.186322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 900.186322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 900.186322][ T1076] ___sys_sendmsg+0xee/0x170 [ 900.186322][ T1076] __sys_sendmsg+0xcd/0x170 [ 900.186322][ T1076] do_syscall_64+0xc6/0x1e0 [ 900.186322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.186322][ T1076] [ 910.429748][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 910.430269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 910.430269][ T1076] netdev_get_by_index+0x5e/0x80 [ 910.430269][ T1076] fib6_nh_init+0x3d8/0x1580 [ 910.430269][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 910.430269][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 910.430269][ T1076] ipv6_add_addr+0x411/0x2000 [ 910.430269][ T1076] inet6_addr_add+0x30e/0xa40 [ 910.430269][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 910.430269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.430269][ T1076] netlink_rcv_skb+0x130/0x360 [ 910.430269][ T1076] netlink_unicast+0x449/0x710 [ 910.430269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 910.430269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 910.430269][ T1076] ___sys_sendmsg+0xee/0x170 [ 910.430269][ T1076] __sys_sendmsg+0xcd/0x170 [ 910.430269][ T1076] do_syscall_64+0xc6/0x1e0 [ 910.430269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.430269][ T1076] [ 910.432590][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 910.432590][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 910.432590][ T1076] ipv6_find_idev+0x102/0x170 [ 910.432590][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 910.432590][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.432590][ T1076] netlink_rcv_skb+0x130/0x360 [ 910.432590][ T1076] netlink_unicast+0x449/0x710 [ 910.432590][ T1076] netlink_sendmsg+0x723/0xbe0 [ 910.432590][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 910.432590][ T1076] ___sys_sendmsg+0xee/0x170 [ 910.432590][ T1076] __sys_sendmsg+0xcd/0x170 [ 910.432590][ T1076] do_syscall_64+0xc6/0x1e0 [ 910.432590][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.432590][ T1076] [ 910.434340][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 910.434340][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 910.434340][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 910.434340][ T1076] ipv6_find_idev+0x102/0x170 [ 910.434340][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 910.434340][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.434340][ T1076] netlink_rcv_skb+0x130/0x360 [ 910.434340][ T1076] netlink_unicast+0x449/0x710 [ 910.434340][ T1076] netlink_sendmsg+0x723/0xbe0 [ 910.434340][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 910.434340][ T1076] ___sys_sendmsg+0xee/0x170 [ 910.434340][ T1076] __sys_sendmsg+0xcd/0x170 [ 910.434340][ T1076] do_syscall_64+0xc6/0x1e0 [ 910.434340][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.434340][ T1076] [ 920.677696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 920.678166][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 920.678166][ T1076] netdev_get_by_index+0x5e/0x80 [ 920.678166][ T1076] fib6_nh_init+0x3d8/0x1580 [ 920.678166][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 920.678166][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 920.678166][ T1076] ipv6_add_addr+0x411/0x2000 [ 920.678166][ T1076] inet6_addr_add+0x30e/0xa40 [ 920.678166][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 920.678166][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.678166][ T1076] netlink_rcv_skb+0x130/0x360 [ 920.678166][ T1076] netlink_unicast+0x449/0x710 [ 920.678166][ T1076] netlink_sendmsg+0x723/0xbe0 [ 920.678166][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 920.678166][ T1076] ___sys_sendmsg+0xee/0x170 [ 920.678166][ T1076] __sys_sendmsg+0xcd/0x170 [ 920.678166][ T1076] do_syscall_64+0xc6/0x1e0 [ 920.678166][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.678166][ T1076] [ 920.680721][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 920.680721][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 920.680721][ T1076] ipv6_find_idev+0x102/0x170 [ 920.680721][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.680721][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.680721][ T1076] netlink_rcv_skb+0x130/0x360 [ 920.680721][ T1076] netlink_unicast+0x449/0x710 [ 920.680721][ T1076] netlink_sendmsg+0x723/0xbe0 [ 920.680721][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 920.680721][ T1076] ___sys_sendmsg+0xee/0x170 [ 920.680721][ T1076] __sys_sendmsg+0xcd/0x170 [ 920.680721][ T1076] do_syscall_64+0xc6/0x1e0 [ 920.680721][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.680721][ T1076] [ 920.682500][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 920.682500][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 920.682500][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 920.682500][ T1076] ipv6_find_idev+0x102/0x170 [ 920.682500][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.682500][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.682500][ T1076] netlink_rcv_skb+0x130/0x360 [ 920.682500][ T1076] netlink_unicast+0x449/0x710 [ 920.682500][ T1076] netlink_sendmsg+0x723/0xbe0 [ 920.682500][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 920.682500][ T1076] ___sys_sendmsg+0xee/0x170 [ 920.682500][ T1076] __sys_sendmsg+0xcd/0x170 [ 920.682500][ T1076] do_syscall_64+0xc6/0x1e0 [ 920.682500][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.682500][ T1076] [ 930.925711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 930.926213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 930.926213][ T1076] netdev_get_by_index+0x5e/0x80 [ 930.926213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 930.926213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 930.926213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 930.926213][ T1076] ipv6_add_addr+0x411/0x2000 [ 930.926213][ T1076] inet6_addr_add+0x30e/0xa40 [ 930.926213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 930.926213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.926213][ T1076] netlink_rcv_skb+0x130/0x360 [ 930.926213][ T1076] netlink_unicast+0x449/0x710 [ 930.926213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 930.926213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 930.926213][ T1076] ___sys_sendmsg+0xee/0x170 [ 930.926213][ T1076] __sys_sendmsg+0xcd/0x170 [ 930.926213][ T1076] do_syscall_64+0xc6/0x1e0 [ 930.926213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.926213][ T1076] [ 930.928497][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 930.928497][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 930.928497][ T1076] ipv6_find_idev+0x102/0x170 [ 930.928497][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.928497][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.928497][ T1076] netlink_rcv_skb+0x130/0x360 [ 930.928497][ T1076] netlink_unicast+0x449/0x710 [ 930.928497][ T1076] netlink_sendmsg+0x723/0xbe0 [ 930.928497][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 930.928497][ T1076] ___sys_sendmsg+0xee/0x170 [ 930.928497][ T1076] __sys_sendmsg+0xcd/0x170 [ 930.928497][ T1076] do_syscall_64+0xc6/0x1e0 [ 930.928497][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.928497][ T1076] [ 930.930237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 930.930237][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 930.930237][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 930.930237][ T1076] ipv6_find_idev+0x102/0x170 [ 930.930237][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.930237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.930237][ T1076] netlink_rcv_skb+0x130/0x360 [ 930.930237][ T1076] netlink_unicast+0x449/0x710 [ 930.930237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 930.930237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 930.930237][ T1076] ___sys_sendmsg+0xee/0x170 [ 930.930237][ T1076] __sys_sendmsg+0xcd/0x170 [ 930.930237][ T1076] do_syscall_64+0xc6/0x1e0 [ 930.930237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.930237][ T1076] [ 941.173743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 941.174288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 941.174288][ T1076] netdev_get_by_index+0x5e/0x80 [ 941.174288][ T1076] fib6_nh_init+0x3d8/0x1580 [ 941.174288][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 941.174288][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 941.174288][ T1076] ipv6_add_addr+0x411/0x2000 [ 941.174288][ T1076] inet6_addr_add+0x30e/0xa40 [ 941.174288][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 941.174288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.174288][ T1076] netlink_rcv_skb+0x130/0x360 [ 941.174288][ T1076] netlink_unicast+0x449/0x710 [ 941.174288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 941.174288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 941.174288][ T1076] ___sys_sendmsg+0xee/0x170 [ 941.174288][ T1076] __sys_sendmsg+0xcd/0x170 [ 941.174288][ T1076] do_syscall_64+0xc6/0x1e0 [ 941.174288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.174288][ T1076] [ 941.176672][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 941.176672][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 941.176672][ T1076] ipv6_find_idev+0x102/0x170 [ 941.176672][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 941.176672][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.176672][ T1076] netlink_rcv_skb+0x130/0x360 [ 941.176672][ T1076] netlink_unicast+0x449/0x710 [ 941.176672][ T1076] netlink_sendmsg+0x723/0xbe0 [ 941.176672][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 941.176672][ T1076] ___sys_sendmsg+0xee/0x170 [ 941.176672][ T1076] __sys_sendmsg+0xcd/0x170 [ 941.176672][ T1076] do_syscall_64+0xc6/0x1e0 [ 941.176672][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.176672][ T1076] [ 941.178517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 941.178517][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 941.178517][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 941.178517][ T1076] ipv6_find_idev+0x102/0x170 [ 941.178517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 941.178517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.178517][ T1076] netlink_rcv_skb+0x130/0x360 [ 941.178517][ T1076] netlink_unicast+0x449/0x710 [ 941.178517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 941.178517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 941.178517][ T1076] ___sys_sendmsg+0xee/0x170 [ 941.178517][ T1076] __sys_sendmsg+0xcd/0x170 [ 941.178517][ T1076] do_syscall_64+0xc6/0x1e0 [ 941.178517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.178517][ T1076] [ 951.421707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 951.422139][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 951.422139][ T1076] netdev_get_by_index+0x5e/0x80 [ 951.422139][ T1076] fib6_nh_init+0x3d8/0x1580 [ 951.422139][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 951.422139][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 951.422139][ T1076] ipv6_add_addr+0x411/0x2000 [ 951.422139][ T1076] inet6_addr_add+0x30e/0xa40 [ 951.422139][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 951.422139][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.422139][ T1076] netlink_rcv_skb+0x130/0x360 [ 951.422139][ T1076] netlink_unicast+0x449/0x710 [ 951.422139][ T1076] netlink_sendmsg+0x723/0xbe0 [ 951.422139][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 951.422139][ T1076] ___sys_sendmsg+0xee/0x170 [ 951.422139][ T1076] __sys_sendmsg+0xcd/0x170 [ 951.422139][ T1076] do_syscall_64+0xc6/0x1e0 [ 951.422139][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.422139][ T1076] [ 951.424399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 951.424399][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 951.424399][ T1076] ipv6_find_idev+0x102/0x170 [ 951.424399][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.424399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.424399][ T1076] netlink_rcv_skb+0x130/0x360 [ 951.424399][ T1076] netlink_unicast+0x449/0x710 [ 951.424399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 951.424399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 951.424399][ T1076] ___sys_sendmsg+0xee/0x170 [ 951.424399][ T1076] __sys_sendmsg+0xcd/0x170 [ 951.424399][ T1076] do_syscall_64+0xc6/0x1e0 [ 951.424399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.424399][ T1076] [ 951.426138][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 951.426138][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 951.426138][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 951.426138][ T1076] ipv6_find_idev+0x102/0x170 [ 951.426138][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.426138][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.426138][ T1076] netlink_rcv_skb+0x130/0x360 [ 951.426138][ T1076] netlink_unicast+0x449/0x710 [ 951.426138][ T1076] netlink_sendmsg+0x723/0xbe0 [ 951.426138][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 951.426138][ T1076] ___sys_sendmsg+0xee/0x170 [ 951.426138][ T1076] __sys_sendmsg+0xcd/0x170 [ 951.426138][ T1076] do_syscall_64+0xc6/0x1e0 [ 951.426138][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.426138][ T1076] [ 961.669746][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 961.670195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 961.670195][ T1076] netdev_get_by_index+0x5e/0x80 [ 961.670195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 961.670195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 961.670195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 961.670195][ T1076] ipv6_add_addr+0x411/0x2000 [ 961.670195][ T1076] inet6_addr_add+0x30e/0xa40 [ 961.670195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 961.670195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.670195][ T1076] netlink_rcv_skb+0x130/0x360 [ 961.670195][ T1076] netlink_unicast+0x449/0x710 [ 961.670195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 961.670195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 961.670195][ T1076] ___sys_sendmsg+0xee/0x170 [ 961.670195][ T1076] __sys_sendmsg+0xcd/0x170 [ 961.670195][ T1076] do_syscall_64+0xc6/0x1e0 [ 961.670195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.670195][ T1076] [ 961.672463][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 961.672463][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 961.672463][ T1076] ipv6_find_idev+0x102/0x170 [ 961.672463][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.672463][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.672463][ T1076] netlink_rcv_skb+0x130/0x360 [ 961.672463][ T1076] netlink_unicast+0x449/0x710 [ 961.672463][ T1076] netlink_sendmsg+0x723/0xbe0 [ 961.672463][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 961.672463][ T1076] ___sys_sendmsg+0xee/0x170 [ 961.672463][ T1076] __sys_sendmsg+0xcd/0x170 [ 961.672463][ T1076] do_syscall_64+0xc6/0x1e0 [ 961.672463][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.672463][ T1076] [ 961.674237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 961.674237][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 961.674237][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 961.674237][ T1076] ipv6_find_idev+0x102/0x170 [ 961.674237][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.674237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.674237][ T1076] netlink_rcv_skb+0x130/0x360 [ 961.674237][ T1076] netlink_unicast+0x449/0x710 [ 961.674237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 961.674237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 961.674237][ T1076] ___sys_sendmsg+0xee/0x170 [ 961.674237][ T1076] __sys_sendmsg+0xcd/0x170 [ 961.674237][ T1076] do_syscall_64+0xc6/0x1e0 [ 961.674237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.674237][ T1076] [ 971.917720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 971.918177][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 971.918177][ T1076] netdev_get_by_index+0x5e/0x80 [ 971.918177][ T1076] fib6_nh_init+0x3d8/0x1580 [ 971.918177][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 971.918177][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 971.918177][ T1076] ipv6_add_addr+0x411/0x2000 [ 971.918177][ T1076] inet6_addr_add+0x30e/0xa40 [ 971.918177][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 971.918177][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.918177][ T1076] netlink_rcv_skb+0x130/0x360 [ 971.918177][ T1076] netlink_unicast+0x449/0x710 [ 971.918177][ T1076] netlink_sendmsg+0x723/0xbe0 [ 971.918177][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 971.918177][ T1076] ___sys_sendmsg+0xee/0x170 [ 971.918177][ T1076] __sys_sendmsg+0xcd/0x170 [ 971.918177][ T1076] do_syscall_64+0xc6/0x1e0 [ 971.918177][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.918177][ T1076] [ 971.920470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 971.920470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 971.920470][ T1076] ipv6_find_idev+0x102/0x170 [ 971.920470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.920470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.920470][ T1076] netlink_rcv_skb+0x130/0x360 [ 971.920470][ T1076] netlink_unicast+0x449/0x710 [ 971.920470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 971.920470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 971.920470][ T1076] ___sys_sendmsg+0xee/0x170 [ 971.920470][ T1076] __sys_sendmsg+0xcd/0x170 [ 971.920470][ T1076] do_syscall_64+0xc6/0x1e0 [ 971.920470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.920470][ T1076] [ 971.922327][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 971.922327][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 971.922327][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 971.922327][ T1076] ipv6_find_idev+0x102/0x170 [ 971.922327][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.922327][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.922327][ T1076] netlink_rcv_skb+0x130/0x360 [ 971.922327][ T1076] netlink_unicast+0x449/0x710 [ 971.922327][ T1076] netlink_sendmsg+0x723/0xbe0 [ 971.922327][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 971.922327][ T1076] ___sys_sendmsg+0xee/0x170 [ 971.922327][ T1076] __sys_sendmsg+0xcd/0x170 [ 971.922327][ T1076] do_syscall_64+0xc6/0x1e0 [ 971.922327][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.922327][ T1076] [ 982.165693][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 982.166197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 982.166197][ T1076] netdev_get_by_index+0x5e/0x80 [ 982.166197][ T1076] fib6_nh_init+0x3d8/0x1580 [ 982.166197][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 982.166197][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 982.166197][ T1076] ipv6_add_addr+0x411/0x2000 [ 982.166197][ T1076] inet6_addr_add+0x30e/0xa40 [ 982.166197][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 982.166197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.166197][ T1076] netlink_rcv_skb+0x130/0x360 [ 982.166197][ T1076] netlink_unicast+0x449/0x710 [ 982.166197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 982.166197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 982.166197][ T1076] ___sys_sendmsg+0xee/0x170 [ 982.166197][ T1076] __sys_sendmsg+0xcd/0x170 [ 982.166197][ T1076] do_syscall_64+0xc6/0x1e0 [ 982.166197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.166197][ T1076] [ 982.168546][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 982.168546][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 982.168546][ T1076] ipv6_find_idev+0x102/0x170 [ 982.168546][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.168546][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.168546][ T1076] netlink_rcv_skb+0x130/0x360 [ 982.168546][ T1076] netlink_unicast+0x449/0x710 [ 982.168546][ T1076] netlink_sendmsg+0x723/0xbe0 [ 982.168546][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 982.168546][ T1076] ___sys_sendmsg+0xee/0x170 [ 982.168546][ T1076] __sys_sendmsg+0xcd/0x170 [ 982.168546][ T1076] do_syscall_64+0xc6/0x1e0 [ 982.168546][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.168546][ T1076] [ 982.170281][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 982.170281][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 982.170281][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 982.170281][ T1076] ipv6_find_idev+0x102/0x170 [ 982.170281][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.170281][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.170281][ T1076] netlink_rcv_skb+0x130/0x360 [ 982.170281][ T1076] netlink_unicast+0x449/0x710 [ 982.170281][ T1076] netlink_sendmsg+0x723/0xbe0 [ 982.170281][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 982.170281][ T1076] ___sys_sendmsg+0xee/0x170 [ 982.170281][ T1076] __sys_sendmsg+0xcd/0x170 [ 982.170281][ T1076] do_syscall_64+0xc6/0x1e0 [ 982.170281][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.170281][ T1076] [ 992.381780][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 992.382234][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 992.382234][ T1076] netdev_get_by_index+0x5e/0x80 [ 992.382234][ T1076] fib6_nh_init+0x3d8/0x1580 [ 992.382234][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 992.382234][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 992.382234][ T1076] ipv6_add_addr+0x411/0x2000 [ 992.382234][ T1076] inet6_addr_add+0x30e/0xa40 [ 992.382234][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 992.382234][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.382234][ T1076] netlink_rcv_skb+0x130/0x360 [ 992.382234][ T1076] netlink_unicast+0x449/0x710 [ 992.382234][ T1076] netlink_sendmsg+0x723/0xbe0 [ 992.382234][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 992.382234][ T1076] ___sys_sendmsg+0xee/0x170 [ 992.382234][ T1076] __sys_sendmsg+0xcd/0x170 [ 992.382234][ T1076] do_syscall_64+0xc6/0x1e0 [ 992.382234][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.382234][ T1076] [ 992.384503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 992.384503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 992.384503][ T1076] ipv6_find_idev+0x102/0x170 [ 992.384503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.384503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.384503][ T1076] netlink_rcv_skb+0x130/0x360 [ 992.384503][ T1076] netlink_unicast+0x449/0x710 [ 992.384503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 992.384503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 992.384503][ T1076] ___sys_sendmsg+0xee/0x170 [ 992.384503][ T1076] __sys_sendmsg+0xcd/0x170 [ 992.384503][ T1076] do_syscall_64+0xc6/0x1e0 [ 992.384503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.384503][ T1076] [ 992.386237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 992.386237][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 992.386237][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 992.386237][ T1076] ipv6_find_idev+0x102/0x170 [ 992.386237][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.386237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.386237][ T1076] netlink_rcv_skb+0x130/0x360 [ 992.386237][ T1076] netlink_unicast+0x449/0x710 [ 992.386237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 992.386237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 992.386237][ T1076] ___sys_sendmsg+0xee/0x170 [ 992.386237][ T1076] __sys_sendmsg+0xcd/0x170 [ 992.386237][ T1076] do_syscall_64+0xc6/0x1e0 [ 992.386237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.386237][ T1076] [ 1002.629686][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1002.630194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1002.630194][ T1076] netdev_get_by_index+0x5e/0x80 [ 1002.630194][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1002.630194][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1002.630194][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1002.630194][ T1076] ipv6_add_addr+0x411/0x2000 [ 1002.630194][ T1076] inet6_addr_add+0x30e/0xa40 [ 1002.630194][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.630194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.630194][ T1076] netlink_rcv_skb+0x130/0x360 [ 1002.630194][ T1076] netlink_unicast+0x449/0x710 [ 1002.630194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1002.630194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1002.630194][ T1076] ___sys_sendmsg+0xee/0x170 [ 1002.630194][ T1076] __sys_sendmsg+0xcd/0x170 [ 1002.630194][ T1076] do_syscall_64+0xc6/0x1e0 [ 1002.630194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.630194][ T1076] [ 1002.632464][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1002.632464][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1002.632464][ T1076] ipv6_find_idev+0x102/0x170 [ 1002.632464][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.632464][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.632464][ T1076] netlink_rcv_skb+0x130/0x360 [ 1002.632464][ T1076] netlink_unicast+0x449/0x710 [ 1002.632464][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1002.632464][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1002.632464][ T1076] ___sys_sendmsg+0xee/0x170 [ 1002.632464][ T1076] __sys_sendmsg+0xcd/0x170 [ 1002.632464][ T1076] do_syscall_64+0xc6/0x1e0 [ 1002.632464][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.632464][ T1076] [ 1002.634213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1002.634213][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1002.634213][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1002.634213][ T1076] ipv6_find_idev+0x102/0x170 [ 1002.634213][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.634213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.634213][ T1076] netlink_rcv_skb+0x130/0x360 [ 1002.634213][ T1076] netlink_unicast+0x449/0x710 [ 1002.634213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1002.634213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1002.634213][ T1076] ___sys_sendmsg+0xee/0x170 [ 1002.634213][ T1076] __sys_sendmsg+0xcd/0x170 [ 1002.634213][ T1076] do_syscall_64+0xc6/0x1e0 [ 1002.634213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.634213][ T1076] [ 1012.877666][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1012.878126][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1012.878126][ T1076] netdev_get_by_index+0x5e/0x80 [ 1012.878126][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1012.878126][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1012.878126][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1012.878126][ T1076] ipv6_add_addr+0x411/0x2000 [ 1012.878126][ T1076] inet6_addr_add+0x30e/0xa40 [ 1012.878126][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.878126][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.878126][ T1076] netlink_rcv_skb+0x130/0x360 [ 1012.878126][ T1076] netlink_unicast+0x449/0x710 [ 1012.878126][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1012.878126][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1012.878126][ T1076] ___sys_sendmsg+0xee/0x170 [ 1012.878126][ T1076] __sys_sendmsg+0xcd/0x170 [ 1012.878126][ T1076] do_syscall_64+0xc6/0x1e0 [ 1012.878126][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.878126][ T1076] [ 1012.880378][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1012.880378][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1012.880378][ T1076] ipv6_find_idev+0x102/0x170 [ 1012.880378][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1012.880378][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.880378][ T1076] netlink_rcv_skb+0x130/0x360 [ 1012.880378][ T1076] netlink_unicast+0x449/0x710 [ 1012.880378][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1012.880378][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1012.880378][ T1076] ___sys_sendmsg+0xee/0x170 [ 1012.880378][ T1076] __sys_sendmsg+0xcd/0x170 [ 1012.880378][ T1076] do_syscall_64+0xc6/0x1e0 [ 1012.880378][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.880378][ T1076] [ 1012.882118][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1012.882118][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1012.882118][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1012.882118][ T1076] ipv6_find_idev+0x102/0x170 [ 1012.882118][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1012.882118][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.882118][ T1076] netlink_rcv_skb+0x130/0x360 [ 1012.882118][ T1076] netlink_unicast+0x449/0x710 [ 1012.882118][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1012.882118][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1012.882118][ T1076] ___sys_sendmsg+0xee/0x170 [ 1012.882118][ T1076] __sys_sendmsg+0xcd/0x170 [ 1012.882118][ T1076] do_syscall_64+0xc6/0x1e0 [ 1012.882118][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.882118][ T1076] [ 1022.885752][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1022.886267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1022.886267][ T1076] netdev_get_by_index+0x5e/0x80 [ 1022.886267][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1022.886267][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1022.886267][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1022.886267][ T1076] ipv6_add_addr+0x411/0x2000 [ 1022.886267][ T1076] inet6_addr_add+0x30e/0xa40 [ 1022.886267][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.886267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.886267][ T1076] netlink_rcv_skb+0x130/0x360 [ 1022.886267][ T1076] netlink_unicast+0x449/0x710 [ 1022.886267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1022.886267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1022.886267][ T1076] ___sys_sendmsg+0xee/0x170 [ 1022.886267][ T1076] __sys_sendmsg+0xcd/0x170 [ 1022.886267][ T1076] do_syscall_64+0xc6/0x1e0 [ 1022.886267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.886267][ T1076] [ 1022.888633][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1022.888633][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1022.888633][ T1076] ipv6_find_idev+0x102/0x170 [ 1022.888633][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.888633][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.888633][ T1076] netlink_rcv_skb+0x130/0x360 [ 1022.888633][ T1076] netlink_unicast+0x449/0x710 [ 1022.888633][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1022.888633][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1022.888633][ T1076] ___sys_sendmsg+0xee/0x170 [ 1022.888633][ T1076] __sys_sendmsg+0xcd/0x170 [ 1022.888633][ T1076] do_syscall_64+0xc6/0x1e0 [ 1022.888633][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.888633][ T1076] [ 1022.890372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1022.890372][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1022.890372][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1022.890372][ T1076] ipv6_find_idev+0x102/0x170 [ 1022.890372][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.890372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.890372][ T1076] netlink_rcv_skb+0x130/0x360 [ 1022.890372][ T1076] netlink_unicast+0x449/0x710 [ 1022.890372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1022.890372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1022.890372][ T1076] ___sys_sendmsg+0xee/0x170 [ 1022.890372][ T1076] __sys_sendmsg+0xcd/0x170 [ 1022.890372][ T1076] do_syscall_64+0xc6/0x1e0 [ 1022.890372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.890372][ T1076] [ 1033.133720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1033.134301][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1033.134301][ T1076] netdev_get_by_index+0x5e/0x80 [ 1033.134301][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1033.134301][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1033.134301][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1033.134301][ T1076] ipv6_add_addr+0x411/0x2000 [ 1033.134301][ T1076] inet6_addr_add+0x30e/0xa40 [ 1033.134301][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.134301][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.134301][ T1076] netlink_rcv_skb+0x130/0x360 [ 1033.134301][ T1076] netlink_unicast+0x449/0x710 [ 1033.134301][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1033.134301][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1033.134301][ T1076] ___sys_sendmsg+0xee/0x170 [ 1033.134301][ T1076] __sys_sendmsg+0xcd/0x170 [ 1033.134301][ T1076] do_syscall_64+0xc6/0x1e0 [ 1033.134301][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.134301][ T1076] [ 1033.136582][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1033.136582][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1033.136582][ T1076] ipv6_find_idev+0x102/0x170 [ 1033.136582][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.136582][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.136582][ T1076] netlink_rcv_skb+0x130/0x360 [ 1033.136582][ T1076] netlink_unicast+0x449/0x710 [ 1033.136582][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1033.136582][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1033.136582][ T1076] ___sys_sendmsg+0xee/0x170 [ 1033.136582][ T1076] __sys_sendmsg+0xcd/0x170 [ 1033.136582][ T1076] do_syscall_64+0xc6/0x1e0 [ 1033.136582][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.136582][ T1076] [ 1033.138339][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1033.138339][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1033.138339][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1033.138339][ T1076] ipv6_find_idev+0x102/0x170 [ 1033.138339][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.138339][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.138339][ T1076] netlink_rcv_skb+0x130/0x360 [ 1033.138339][ T1076] netlink_unicast+0x449/0x710 [ 1033.138339][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1033.138339][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1033.138339][ T1076] ___sys_sendmsg+0xee/0x170 [ 1033.138339][ T1076] __sys_sendmsg+0xcd/0x170 [ 1033.138339][ T1076] do_syscall_64+0xc6/0x1e0 [ 1033.138339][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.138339][ T1076] [ 1043.245690][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1043.246211][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1043.246211][ T1076] netdev_get_by_index+0x5e/0x80 [ 1043.246211][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1043.246211][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1043.246211][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1043.246211][ T1076] ipv6_add_addr+0x411/0x2000 [ 1043.246211][ T1076] inet6_addr_add+0x30e/0xa40 [ 1043.246211][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.246211][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.246211][ T1076] netlink_rcv_skb+0x130/0x360 [ 1043.246211][ T1076] netlink_unicast+0x449/0x710 [ 1043.246211][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1043.246211][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1043.246211][ T1076] ___sys_sendmsg+0xee/0x170 [ 1043.246211][ T1076] __sys_sendmsg+0xcd/0x170 [ 1043.246211][ T1076] do_syscall_64+0xc6/0x1e0 [ 1043.246211][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.246211][ T1076] [ 1043.248511][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1043.248511][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1043.248511][ T1076] ipv6_find_idev+0x102/0x170 [ 1043.248511][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.248511][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.248511][ T1076] netlink_rcv_skb+0x130/0x360 [ 1043.248511][ T1076] netlink_unicast+0x449/0x710 [ 1043.248511][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1043.248511][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1043.248511][ T1076] ___sys_sendmsg+0xee/0x170 [ 1043.248511][ T1076] __sys_sendmsg+0xcd/0x170 [ 1043.248511][ T1076] do_syscall_64+0xc6/0x1e0 [ 1043.248511][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.248511][ T1076] [ 1043.250268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1043.250268][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1043.250268][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1043.250268][ T1076] ipv6_find_idev+0x102/0x170 [ 1043.250268][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.250268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.250268][ T1076] netlink_rcv_skb+0x130/0x360 [ 1043.250268][ T1076] netlink_unicast+0x449/0x710 [ 1043.250268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1043.250268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1043.250268][ T1076] ___sys_sendmsg+0xee/0x170 [ 1043.250268][ T1076] __sys_sendmsg+0xcd/0x170 [ 1043.250268][ T1076] do_syscall_64+0xc6/0x1e0 [ 1043.250268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.250268][ T1076] [ 1053.493667][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1053.494189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1053.494189][ T1076] netdev_get_by_index+0x5e/0x80 [ 1053.494189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1053.494189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1053.494189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1053.494189][ T1076] ipv6_add_addr+0x411/0x2000 [ 1053.494189][ T1076] inet6_addr_add+0x30e/0xa40 [ 1053.494189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.494189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.494189][ T1076] netlink_rcv_skb+0x130/0x360 [ 1053.494189][ T1076] netlink_unicast+0x449/0x710 [ 1053.494189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1053.494189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1053.494189][ T1076] ___sys_sendmsg+0xee/0x170 [ 1053.494189][ T1076] __sys_sendmsg+0xcd/0x170 [ 1053.494189][ T1076] do_syscall_64+0xc6/0x1e0 [ 1053.494189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.494189][ T1076] [ 1053.496457][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1053.496457][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1053.496457][ T1076] ipv6_find_idev+0x102/0x170 [ 1053.496457][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.496457][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.496457][ T1076] netlink_rcv_skb+0x130/0x360 [ 1053.496457][ T1076] netlink_unicast+0x449/0x710 [ 1053.496457][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1053.496457][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1053.496457][ T1076] ___sys_sendmsg+0xee/0x170 [ 1053.496457][ T1076] __sys_sendmsg+0xcd/0x170 [ 1053.496457][ T1076] do_syscall_64+0xc6/0x1e0 [ 1053.496457][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.496457][ T1076] [ 1053.498203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1053.498203][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1053.498203][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1053.498203][ T1076] ipv6_find_idev+0x102/0x170 [ 1053.498203][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.498203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.498203][ T1076] netlink_rcv_skb+0x130/0x360 [ 1053.498203][ T1076] netlink_unicast+0x449/0x710 [ 1053.498203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1053.498203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1053.498203][ T1076] ___sys_sendmsg+0xee/0x170 [ 1053.498203][ T1076] __sys_sendmsg+0xcd/0x170 [ 1053.498203][ T1076] do_syscall_64+0xc6/0x1e0 [ 1053.498203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.498203][ T1076] [ 1063.741674][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1063.742115][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1063.742115][ T1076] netdev_get_by_index+0x5e/0x80 [ 1063.742115][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1063.742115][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1063.742115][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1063.742115][ T1076] ipv6_add_addr+0x411/0x2000 [ 1063.742115][ T1076] inet6_addr_add+0x30e/0xa40 [ 1063.742115][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.742115][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.742115][ T1076] netlink_rcv_skb+0x130/0x360 [ 1063.742115][ T1076] netlink_unicast+0x449/0x710 [ 1063.742115][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1063.742115][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1063.742115][ T1076] ___sys_sendmsg+0xee/0x170 [ 1063.742115][ T1076] __sys_sendmsg+0xcd/0x170 [ 1063.742115][ T1076] do_syscall_64+0xc6/0x1e0 [ 1063.742115][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.742115][ T1076] [ 1063.744383][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1063.744383][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1063.744383][ T1076] ipv6_find_idev+0x102/0x170 [ 1063.744383][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.744383][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.744383][ T1076] netlink_rcv_skb+0x130/0x360 [ 1063.744383][ T1076] netlink_unicast+0x449/0x710 [ 1063.744383][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1063.744383][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1063.744383][ T1076] ___sys_sendmsg+0xee/0x170 [ 1063.744383][ T1076] __sys_sendmsg+0xcd/0x170 [ 1063.744383][ T1076] do_syscall_64+0xc6/0x1e0 [ 1063.744383][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.744383][ T1076] [ 1063.746114][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1063.746114][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1063.746114][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1063.746114][ T1076] ipv6_find_idev+0x102/0x170 [ 1063.746114][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.746114][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.746114][ T1076] netlink_rcv_skb+0x130/0x360 [ 1063.746114][ T1076] netlink_unicast+0x449/0x710 [ 1063.746114][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1063.746114][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1063.746114][ T1076] ___sys_sendmsg+0xee/0x170 [ 1063.746114][ T1076] __sys_sendmsg+0xcd/0x170 [ 1063.746114][ T1076] do_syscall_64+0xc6/0x1e0 [ 1063.746114][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.746114][ T1076] [ 1073.989675][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1073.990179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1073.990179][ T1076] netdev_get_by_index+0x5e/0x80 [ 1073.990179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1073.990179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1073.990179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1073.990179][ T1076] ipv6_add_addr+0x411/0x2000 [ 1073.990179][ T1076] inet6_addr_add+0x30e/0xa40 [ 1073.990179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.990179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.990179][ T1076] netlink_rcv_skb+0x130/0x360 [ 1073.990179][ T1076] netlink_unicast+0x449/0x710 [ 1073.990179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1073.990179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1073.990179][ T1076] ___sys_sendmsg+0xee/0x170 [ 1073.990179][ T1076] __sys_sendmsg+0xcd/0x170 [ 1073.990179][ T1076] do_syscall_64+0xc6/0x1e0 [ 1073.990179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.990179][ T1076] [ 1073.992474][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1073.992474][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1073.992474][ T1076] ipv6_find_idev+0x102/0x170 [ 1073.992474][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.992474][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.992474][ T1076] netlink_rcv_skb+0x130/0x360 [ 1073.992474][ T1076] netlink_unicast+0x449/0x710 [ 1073.992474][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1073.992474][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1073.992474][ T1076] ___sys_sendmsg+0xee/0x170 [ 1073.992474][ T1076] __sys_sendmsg+0xcd/0x170 [ 1073.992474][ T1076] do_syscall_64+0xc6/0x1e0 [ 1073.992474][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.992474][ T1076] [ 1073.994232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1073.994232][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1073.994232][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1073.994232][ T1076] ipv6_find_idev+0x102/0x170 [ 1073.994232][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.994232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.994232][ T1076] netlink_rcv_skb+0x130/0x360 [ 1073.994232][ T1076] netlink_unicast+0x449/0x710 [ 1073.994232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1073.994232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1073.994232][ T1076] ___sys_sendmsg+0xee/0x170 [ 1073.994232][ T1076] __sys_sendmsg+0xcd/0x170 [ 1073.994232][ T1076] do_syscall_64+0xc6/0x1e0 [ 1073.994232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.994232][ T1076] [ 1084.237691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1084.238428][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1084.238428][ T1076] netdev_get_by_index+0x5e/0x80 [ 1084.238428][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1084.238428][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1084.238428][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1084.238428][ T1076] ipv6_add_addr+0x411/0x2000 [ 1084.238428][ T1076] inet6_addr_add+0x30e/0xa40 [ 1084.238428][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.238428][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.238428][ T1076] netlink_rcv_skb+0x130/0x360 [ 1084.238428][ T1076] netlink_unicast+0x449/0x710 [ 1084.238428][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1084.238428][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1084.238428][ T1076] ___sys_sendmsg+0xee/0x170 [ 1084.238428][ T1076] __sys_sendmsg+0xcd/0x170 [ 1084.238428][ T1076] do_syscall_64+0xc6/0x1e0 [ 1084.238428][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.238428][ T1076] [ 1084.240698][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1084.240698][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1084.240698][ T1076] ipv6_find_idev+0x102/0x170 [ 1084.240698][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.240698][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.240698][ T1076] netlink_rcv_skb+0x130/0x360 [ 1084.240698][ T1076] netlink_unicast+0x449/0x710 [ 1084.240698][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1084.240698][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1084.240698][ T1076] ___sys_sendmsg+0xee/0x170 [ 1084.240698][ T1076] __sys_sendmsg+0xcd/0x170 [ 1084.240698][ T1076] do_syscall_64+0xc6/0x1e0 [ 1084.240698][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.240698][ T1076] [ 1084.242430][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1084.242430][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1084.242430][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1084.242430][ T1076] ipv6_find_idev+0x102/0x170 [ 1084.242430][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.242430][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.242430][ T1076] netlink_rcv_skb+0x130/0x360 [ 1084.242430][ T1076] netlink_unicast+0x449/0x710 [ 1084.242430][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1084.242430][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1084.242430][ T1076] ___sys_sendmsg+0xee/0x170 [ 1084.242430][ T1076] __sys_sendmsg+0xcd/0x170 [ 1084.242430][ T1076] do_syscall_64+0xc6/0x1e0 [ 1084.242430][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.242430][ T1076] [ 1094.485696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1094.486209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1094.486209][ T1076] netdev_get_by_index+0x5e/0x80 [ 1094.486209][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1094.486209][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1094.486209][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1094.486209][ T1076] ipv6_add_addr+0x411/0x2000 [ 1094.486209][ T1076] inet6_addr_add+0x30e/0xa40 [ 1094.486209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.486209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.486209][ T1076] netlink_rcv_skb+0x130/0x360 [ 1094.486209][ T1076] netlink_unicast+0x449/0x710 [ 1094.486209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1094.486209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1094.486209][ T1076] ___sys_sendmsg+0xee/0x170 [ 1094.486209][ T1076] __sys_sendmsg+0xcd/0x170 [ 1094.486209][ T1076] do_syscall_64+0xc6/0x1e0 [ 1094.486209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.486209][ T1076] [ 1094.488483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1094.488483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1094.488483][ T1076] ipv6_find_idev+0x102/0x170 [ 1094.488483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.488483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.488483][ T1076] netlink_rcv_skb+0x130/0x360 [ 1094.488483][ T1076] netlink_unicast+0x449/0x710 [ 1094.488483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1094.488483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1094.488483][ T1076] ___sys_sendmsg+0xee/0x170 [ 1094.488483][ T1076] __sys_sendmsg+0xcd/0x170 [ 1094.488483][ T1076] do_syscall_64+0xc6/0x1e0 [ 1094.488483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.488483][ T1076] [ 1094.490217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1094.490217][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1094.490217][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1094.490217][ T1076] ipv6_find_idev+0x102/0x170 [ 1094.490217][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.490217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.490217][ T1076] netlink_rcv_skb+0x130/0x360 [ 1094.490217][ T1076] netlink_unicast+0x449/0x710 [ 1094.490217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1094.490217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1094.490217][ T1076] ___sys_sendmsg+0xee/0x170 [ 1094.490217][ T1076] __sys_sendmsg+0xcd/0x170 [ 1094.490217][ T1076] do_syscall_64+0xc6/0x1e0 [ 1094.490217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.490217][ T1076] [ 1104.733727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1104.734416][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1104.734416][ T1076] netdev_get_by_index+0x5e/0x80 [ 1104.734416][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1104.734416][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1104.734416][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1104.734416][ T1076] ipv6_add_addr+0x411/0x2000 [ 1104.734416][ T1076] inet6_addr_add+0x30e/0xa40 [ 1104.734416][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.734416][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.734416][ T1076] netlink_rcv_skb+0x130/0x360 [ 1104.734416][ T1076] netlink_unicast+0x449/0x710 [ 1104.734416][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1104.734416][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1104.734416][ T1076] ___sys_sendmsg+0xee/0x170 [ 1104.734416][ T1076] __sys_sendmsg+0xcd/0x170 [ 1104.734416][ T1076] do_syscall_64+0xc6/0x1e0 [ 1104.734416][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.734416][ T1076] [ 1104.737881][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1104.737881][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1104.737881][ T1076] ipv6_find_idev+0x102/0x170 [ 1104.737881][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.737881][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.737881][ T1076] netlink_rcv_skb+0x130/0x360 [ 1104.737881][ T1076] netlink_unicast+0x449/0x710 [ 1104.737881][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1104.737881][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1104.737881][ T1076] ___sys_sendmsg+0xee/0x170 [ 1104.737881][ T1076] __sys_sendmsg+0xcd/0x170 [ 1104.737881][ T1076] do_syscall_64+0xc6/0x1e0 [ 1104.737881][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.737881][ T1076] [ 1104.740610][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1104.740610][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1104.740610][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1104.740610][ T1076] ipv6_find_idev+0x102/0x170 [ 1104.740610][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.740610][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.740610][ T1076] netlink_rcv_skb+0x130/0x360 [ 1104.740610][ T1076] netlink_unicast+0x449/0x710 [ 1104.740610][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1104.740610][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1104.740610][ T1076] ___sys_sendmsg+0xee/0x170 [ 1104.740610][ T1076] __sys_sendmsg+0xcd/0x170 [ 1104.740610][ T1076] do_syscall_64+0xc6/0x1e0 [ 1104.740610][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.740610][ T1076] [ 1114.893649][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1114.894162][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1114.894162][ T1076] netdev_get_by_index+0x5e/0x80 [ 1114.894162][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1114.894162][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1114.894162][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1114.894162][ T1076] ipv6_add_addr+0x411/0x2000 [ 1114.894162][ T1076] inet6_addr_add+0x30e/0xa40 [ 1114.894162][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.894162][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.894162][ T1076] netlink_rcv_skb+0x130/0x360 [ 1114.894162][ T1076] netlink_unicast+0x449/0x710 [ 1114.894162][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1114.894162][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1114.894162][ T1076] ___sys_sendmsg+0xee/0x170 [ 1114.894162][ T1076] __sys_sendmsg+0xcd/0x170 [ 1114.894162][ T1076] do_syscall_64+0xc6/0x1e0 [ 1114.894162][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.894162][ T1076] [ 1114.896431][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1114.896431][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1114.896431][ T1076] ipv6_find_idev+0x102/0x170 [ 1114.896431][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.896431][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.896431][ T1076] netlink_rcv_skb+0x130/0x360 [ 1114.896431][ T1076] netlink_unicast+0x449/0x710 [ 1114.896431][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1114.896431][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1114.896431][ T1076] ___sys_sendmsg+0xee/0x170 [ 1114.896431][ T1076] __sys_sendmsg+0xcd/0x170 [ 1114.896431][ T1076] do_syscall_64+0xc6/0x1e0 [ 1114.896431][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.896431][ T1076] [ 1114.898167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1114.898167][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1114.898167][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1114.898167][ T1076] ipv6_find_idev+0x102/0x170 [ 1114.898167][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.898167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.898167][ T1076] netlink_rcv_skb+0x130/0x360 [ 1114.898167][ T1076] netlink_unicast+0x449/0x710 [ 1114.898167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1114.898167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1114.898167][ T1076] ___sys_sendmsg+0xee/0x170 [ 1114.898167][ T1076] __sys_sendmsg+0xcd/0x170 [ 1114.898167][ T1076] do_syscall_64+0xc6/0x1e0 [ 1114.898167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.898167][ T1076] [ 1125.149720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1125.150390][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1125.150390][ T1076] netdev_get_by_index+0x5e/0x80 [ 1125.150390][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1125.150390][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1125.150390][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1125.150390][ T1076] ipv6_add_addr+0x411/0x2000 [ 1125.150390][ T1076] inet6_addr_add+0x30e/0xa40 [ 1125.150390][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.150390][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.150390][ T1076] netlink_rcv_skb+0x130/0x360 [ 1125.150390][ T1076] netlink_unicast+0x449/0x710 [ 1125.150390][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1125.150390][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1125.150390][ T1076] ___sys_sendmsg+0xee/0x170 [ 1125.150390][ T1076] __sys_sendmsg+0xcd/0x170 [ 1125.150390][ T1076] do_syscall_64+0xc6/0x1e0 [ 1125.150390][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.150390][ T1076] [ 1125.153964][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1125.153964][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1125.153964][ T1076] ipv6_find_idev+0x102/0x170 [ 1125.153964][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.153964][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.153964][ T1076] netlink_rcv_skb+0x130/0x360 [ 1125.153964][ T1076] netlink_unicast+0x449/0x710 [ 1125.153964][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1125.153964][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1125.153964][ T1076] ___sys_sendmsg+0xee/0x170 [ 1125.153964][ T1076] __sys_sendmsg+0xcd/0x170 [ 1125.153964][ T1076] do_syscall_64+0xc6/0x1e0 [ 1125.153964][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.153964][ T1076] [ 1125.156722][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1125.156722][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1125.156722][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1125.156722][ T1076] ipv6_find_idev+0x102/0x170 [ 1125.156722][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.156722][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.156722][ T1076] netlink_rcv_skb+0x130/0x360 [ 1125.156722][ T1076] netlink_unicast+0x449/0x710 [ 1125.156722][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1125.156722][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1125.156722][ T1076] ___sys_sendmsg+0xee/0x170 [ 1125.156722][ T1076] __sys_sendmsg+0xcd/0x170 [ 1125.156722][ T1076] do_syscall_64+0xc6/0x1e0 [ 1125.156722][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.156722][ T1076] [ 1135.405742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1135.406250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1135.406250][ T1076] netdev_get_by_index+0x5e/0x80 [ 1135.406250][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1135.406250][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1135.406250][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1135.406250][ T1076] ipv6_add_addr+0x411/0x2000 [ 1135.406250][ T1076] inet6_addr_add+0x30e/0xa40 [ 1135.406250][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.406250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.406250][ T1076] netlink_rcv_skb+0x130/0x360 [ 1135.406250][ T1076] netlink_unicast+0x449/0x710 [ 1135.406250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1135.406250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1135.406250][ T1076] ___sys_sendmsg+0xee/0x170 [ 1135.406250][ T1076] __sys_sendmsg+0xcd/0x170 [ 1135.406250][ T1076] do_syscall_64+0xc6/0x1e0 [ 1135.406250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.406250][ T1076] [ 1135.409509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1135.409509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1135.409509][ T1076] ipv6_find_idev+0x102/0x170 [ 1135.409509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.409509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.409509][ T1076] netlink_rcv_skb+0x130/0x360 [ 1135.409509][ T1076] netlink_unicast+0x449/0x710 [ 1135.409509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1135.409509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1135.409509][ T1076] ___sys_sendmsg+0xee/0x170 [ 1135.409509][ T1076] __sys_sendmsg+0xcd/0x170 [ 1135.409509][ T1076] do_syscall_64+0xc6/0x1e0 [ 1135.409509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.409509][ T1076] [ 1135.412263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1135.412263][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1135.412263][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1135.412263][ T1076] ipv6_find_idev+0x102/0x170 [ 1135.412263][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.412263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.412263][ T1076] netlink_rcv_skb+0x130/0x360 [ 1135.412263][ T1076] netlink_unicast+0x449/0x710 [ 1135.412263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1135.412263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1135.412263][ T1076] ___sys_sendmsg+0xee/0x170 [ 1135.412263][ T1076] __sys_sendmsg+0xcd/0x170 [ 1135.412263][ T1076] do_syscall_64+0xc6/0x1e0 [ 1135.412263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.412263][ T1076] [ 1145.517663][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1145.518111][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1145.518111][ T1076] netdev_get_by_index+0x5e/0x80 [ 1145.518111][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1145.518111][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1145.518111][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1145.518111][ T1076] ipv6_add_addr+0x411/0x2000 [ 1145.518111][ T1076] inet6_addr_add+0x30e/0xa40 [ 1145.518111][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.518111][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.518111][ T1076] netlink_rcv_skb+0x130/0x360 [ 1145.518111][ T1076] netlink_unicast+0x449/0x710 [ 1145.518111][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1145.518111][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1145.518111][ T1076] ___sys_sendmsg+0xee/0x170 [ 1145.518111][ T1076] __sys_sendmsg+0xcd/0x170 [ 1145.518111][ T1076] do_syscall_64+0xc6/0x1e0 [ 1145.518111][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.518111][ T1076] [ 1145.520372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1145.520372][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1145.520372][ T1076] ipv6_find_idev+0x102/0x170 [ 1145.520372][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.520372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.520372][ T1076] netlink_rcv_skb+0x130/0x360 [ 1145.520372][ T1076] netlink_unicast+0x449/0x710 [ 1145.520372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1145.520372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1145.520372][ T1076] ___sys_sendmsg+0xee/0x170 [ 1145.520372][ T1076] __sys_sendmsg+0xcd/0x170 [ 1145.520372][ T1076] do_syscall_64+0xc6/0x1e0 [ 1145.520372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.520372][ T1076] [ 1145.522127][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1145.522127][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1145.522127][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1145.522127][ T1076] ipv6_find_idev+0x102/0x170 [ 1145.522127][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.522127][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.522127][ T1076] netlink_rcv_skb+0x130/0x360 [ 1145.522127][ T1076] netlink_unicast+0x449/0x710 [ 1145.522127][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1145.522127][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1145.522127][ T1076] ___sys_sendmsg+0xee/0x170 [ 1145.522127][ T1076] __sys_sendmsg+0xcd/0x170 [ 1145.522127][ T1076] do_syscall_64+0xc6/0x1e0 [ 1145.522127][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.522127][ T1076] [ 1155.765692][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1155.766189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1155.766189][ T1076] netdev_get_by_index+0x5e/0x80 [ 1155.766189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1155.766189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1155.766189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1155.766189][ T1076] ipv6_add_addr+0x411/0x2000 [ 1155.766189][ T1076] inet6_addr_add+0x30e/0xa40 [ 1155.766189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.766189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.766189][ T1076] netlink_rcv_skb+0x130/0x360 [ 1155.766189][ T1076] netlink_unicast+0x449/0x710 [ 1155.766189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1155.766189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1155.766189][ T1076] ___sys_sendmsg+0xee/0x170 [ 1155.766189][ T1076] __sys_sendmsg+0xcd/0x170 [ 1155.766189][ T1076] do_syscall_64+0xc6/0x1e0 [ 1155.766189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.766189][ T1076] [ 1155.768494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1155.768494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1155.768494][ T1076] ipv6_find_idev+0x102/0x170 [ 1155.768494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.768494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.768494][ T1076] netlink_rcv_skb+0x130/0x360 [ 1155.768494][ T1076] netlink_unicast+0x449/0x710 [ 1155.768494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1155.768494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1155.768494][ T1076] ___sys_sendmsg+0xee/0x170 [ 1155.768494][ T1076] __sys_sendmsg+0xcd/0x170 [ 1155.768494][ T1076] do_syscall_64+0xc6/0x1e0 [ 1155.768494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.768494][ T1076] [ 1155.770254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1155.770254][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1155.770254][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1155.770254][ T1076] ipv6_find_idev+0x102/0x170 [ 1155.770254][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.770254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.770254][ T1076] netlink_rcv_skb+0x130/0x360 [ 1155.770254][ T1076] netlink_unicast+0x449/0x710 [ 1155.770254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1155.770254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1155.770254][ T1076] ___sys_sendmsg+0xee/0x170 [ 1155.770254][ T1076] __sys_sendmsg+0xcd/0x170 [ 1155.770254][ T1076] do_syscall_64+0xc6/0x1e0 [ 1155.770254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.770254][ T1076] [ 1166.013751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1166.014198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1166.014198][ T1076] netdev_get_by_index+0x5e/0x80 [ 1166.014198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1166.014198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1166.014198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1166.014198][ T1076] ipv6_add_addr+0x411/0x2000 [ 1166.014198][ T1076] inet6_addr_add+0x30e/0xa40 [ 1166.014198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1166.014198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.014198][ T1076] netlink_rcv_skb+0x130/0x360 [ 1166.014198][ T1076] netlink_unicast+0x449/0x710 [ 1166.014198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1166.014198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1166.014198][ T1076] ___sys_sendmsg+0xee/0x170 [ 1166.014198][ T1076] __sys_sendmsg+0xcd/0x170 [ 1166.014198][ T1076] do_syscall_64+0xc6/0x1e0 [ 1166.014198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.014198][ T1076] [ 1166.016468][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1166.016468][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1166.016468][ T1076] ipv6_find_idev+0x102/0x170 [ 1166.016468][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1166.016468][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.016468][ T1076] netlink_rcv_skb+0x130/0x360 [ 1166.016468][ T1076] netlink_unicast+0x449/0x710 [ 1166.016468][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1166.016468][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1166.016468][ T1076] ___sys_sendmsg+0xee/0x170 [ 1166.016468][ T1076] __sys_sendmsg+0xcd/0x170 [ 1166.016468][ T1076] do_syscall_64+0xc6/0x1e0 [ 1166.016468][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.016468][ T1076] [ 1166.018244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1166.018244][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1166.018244][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1166.018244][ T1076] ipv6_find_idev+0x102/0x170 [ 1166.018244][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1166.018244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.018244][ T1076] netlink_rcv_skb+0x130/0x360 [ 1166.018244][ T1076] netlink_unicast+0x449/0x710 [ 1166.018244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1166.018244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1166.018244][ T1076] ___sys_sendmsg+0xee/0x170 [ 1166.018244][ T1076] __sys_sendmsg+0xcd/0x170 [ 1166.018244][ T1076] do_syscall_64+0xc6/0x1e0 [ 1166.018244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.018244][ T1076] [ 1176.261751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1176.262293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1176.262293][ T1076] netdev_get_by_index+0x5e/0x80 [ 1176.262293][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1176.262293][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1176.262293][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1176.262293][ T1076] ipv6_add_addr+0x411/0x2000 [ 1176.262293][ T1076] inet6_addr_add+0x30e/0xa40 [ 1176.262293][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.262293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.262293][ T1076] netlink_rcv_skb+0x130/0x360 [ 1176.262293][ T1076] netlink_unicast+0x449/0x710 [ 1176.262293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1176.262293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1176.262293][ T1076] ___sys_sendmsg+0xee/0x170 [ 1176.262293][ T1076] __sys_sendmsg+0xcd/0x170 [ 1176.262293][ T1076] do_syscall_64+0xc6/0x1e0 [ 1176.262293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.262293][ T1076] [ 1176.264541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1176.264541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1176.264541][ T1076] ipv6_find_idev+0x102/0x170 [ 1176.264541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.264541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.264541][ T1076] netlink_rcv_skb+0x130/0x360 [ 1176.264541][ T1076] netlink_unicast+0x449/0x710 [ 1176.264541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1176.264541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1176.264541][ T1076] ___sys_sendmsg+0xee/0x170 [ 1176.264541][ T1076] __sys_sendmsg+0xcd/0x170 [ 1176.264541][ T1076] do_syscall_64+0xc6/0x1e0 [ 1176.264541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.264541][ T1076] [ 1176.266339][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1176.266339][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1176.266339][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1176.266339][ T1076] ipv6_find_idev+0x102/0x170 [ 1176.266339][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.266339][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.266339][ T1076] netlink_rcv_skb+0x130/0x360 [ 1176.266339][ T1076] netlink_unicast+0x449/0x710 [ 1176.266339][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1176.266339][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1176.266339][ T1076] ___sys_sendmsg+0xee/0x170 [ 1176.266339][ T1076] __sys_sendmsg+0xcd/0x170 [ 1176.266339][ T1076] do_syscall_64+0xc6/0x1e0 [ 1176.266339][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.266339][ T1076] [ 1186.461751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1186.462337][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1186.462337][ T1076] netdev_get_by_index+0x5e/0x80 [ 1186.462337][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1186.462337][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1186.462337][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1186.462337][ T1076] ipv6_add_addr+0x411/0x2000 [ 1186.462337][ T1076] inet6_addr_add+0x30e/0xa40 [ 1186.462337][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.462337][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.462337][ T1076] netlink_rcv_skb+0x130/0x360 [ 1186.462337][ T1076] netlink_unicast+0x449/0x710 [ 1186.462337][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1186.462337][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1186.462337][ T1076] ___sys_sendmsg+0xee/0x170 [ 1186.462337][ T1076] __sys_sendmsg+0xcd/0x170 [ 1186.462337][ T1076] do_syscall_64+0xc6/0x1e0 [ 1186.462337][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.462337][ T1076] [ 1186.464627][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1186.464627][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1186.464627][ T1076] ipv6_find_idev+0x102/0x170 [ 1186.464627][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.464627][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.464627][ T1076] netlink_rcv_skb+0x130/0x360 [ 1186.464627][ T1076] netlink_unicast+0x449/0x710 [ 1186.464627][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1186.464627][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1186.464627][ T1076] ___sys_sendmsg+0xee/0x170 [ 1186.464627][ T1076] __sys_sendmsg+0xcd/0x170 [ 1186.464627][ T1076] do_syscall_64+0xc6/0x1e0 [ 1186.464627][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.464627][ T1076] [ 1186.466376][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1186.466376][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1186.466376][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1186.466376][ T1076] ipv6_find_idev+0x102/0x170 [ 1186.466376][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.466376][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.466376][ T1076] netlink_rcv_skb+0x130/0x360 [ 1186.466376][ T1076] netlink_unicast+0x449/0x710 [ 1186.466376][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1186.466376][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1186.466376][ T1076] ___sys_sendmsg+0xee/0x170 [ 1186.466376][ T1076] __sys_sendmsg+0xcd/0x170 [ 1186.466376][ T1076] do_syscall_64+0xc6/0x1e0 [ 1186.466376][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.466376][ T1076] [ 1196.629683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1196.630146][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1196.630146][ T1076] netdev_get_by_index+0x5e/0x80 [ 1196.630146][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1196.630146][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1196.630146][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1196.630146][ T1076] ipv6_add_addr+0x411/0x2000 [ 1196.630146][ T1076] inet6_addr_add+0x30e/0xa40 [ 1196.630146][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.630146][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.630146][ T1076] netlink_rcv_skb+0x130/0x360 [ 1196.630146][ T1076] netlink_unicast+0x449/0x710 [ 1196.630146][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1196.630146][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1196.630146][ T1076] ___sys_sendmsg+0xee/0x170 [ 1196.630146][ T1076] __sys_sendmsg+0xcd/0x170 [ 1196.630146][ T1076] do_syscall_64+0xc6/0x1e0 [ 1196.630146][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.630146][ T1076] [ 1196.632424][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1196.632424][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1196.632424][ T1076] ipv6_find_idev+0x102/0x170 [ 1196.632424][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.632424][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.632424][ T1076] netlink_rcv_skb+0x130/0x360 [ 1196.632424][ T1076] netlink_unicast+0x449/0x710 [ 1196.632424][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1196.632424][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1196.632424][ T1076] ___sys_sendmsg+0xee/0x170 [ 1196.632424][ T1076] __sys_sendmsg+0xcd/0x170 [ 1196.632424][ T1076] do_syscall_64+0xc6/0x1e0 [ 1196.632424][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.632424][ T1076] [ 1196.634172][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1196.634172][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1196.634172][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1196.634172][ T1076] ipv6_find_idev+0x102/0x170 [ 1196.634172][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.634172][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.634172][ T1076] netlink_rcv_skb+0x130/0x360 [ 1196.634172][ T1076] netlink_unicast+0x449/0x710 [ 1196.634172][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1196.634172][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1196.634172][ T1076] ___sys_sendmsg+0xee/0x170 [ 1196.634172][ T1076] __sys_sendmsg+0xcd/0x170 [ 1196.634172][ T1076] do_syscall_64+0xc6/0x1e0 [ 1196.634172][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.634172][ T1076] [ 1206.877669][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1206.878122][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1206.878122][ T1076] netdev_get_by_index+0x5e/0x80 [ 1206.878122][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1206.878122][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1206.878122][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1206.878122][ T1076] ipv6_add_addr+0x411/0x2000 [ 1206.878122][ T1076] inet6_addr_add+0x30e/0xa40 [ 1206.878122][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.878122][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.878122][ T1076] netlink_rcv_skb+0x130/0x360 [ 1206.878122][ T1076] netlink_unicast+0x449/0x710 [ 1206.878122][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1206.878122][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1206.878122][ T1076] ___sys_sendmsg+0xee/0x170 [ 1206.878122][ T1076] __sys_sendmsg+0xcd/0x170 [ 1206.878122][ T1076] do_syscall_64+0xc6/0x1e0 [ 1206.878122][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.878122][ T1076] [ 1206.880563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1206.880563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1206.880563][ T1076] ipv6_find_idev+0x102/0x170 [ 1206.880563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.880563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.880563][ T1076] netlink_rcv_skb+0x130/0x360 [ 1206.880563][ T1076] netlink_unicast+0x449/0x710 [ 1206.880563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1206.880563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1206.880563][ T1076] ___sys_sendmsg+0xee/0x170 [ 1206.880563][ T1076] __sys_sendmsg+0xcd/0x170 [ 1206.880563][ T1076] do_syscall_64+0xc6/0x1e0 [ 1206.880563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.880563][ T1076] [ 1206.882314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1206.882314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1206.882314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1206.882314][ T1076] ipv6_find_idev+0x102/0x170 [ 1206.882314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.882314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.882314][ T1076] netlink_rcv_skb+0x130/0x360 [ 1206.882314][ T1076] netlink_unicast+0x449/0x710 [ 1206.882314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1206.882314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1206.882314][ T1076] ___sys_sendmsg+0xee/0x170 [ 1206.882314][ T1076] __sys_sendmsg+0xcd/0x170 [ 1206.882314][ T1076] do_syscall_64+0xc6/0x1e0 [ 1206.882314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.882314][ T1076] [ 1217.125699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1217.126387][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1217.126387][ T1076] netdev_get_by_index+0x5e/0x80 [ 1217.126387][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1217.126387][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1217.126387][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1217.126387][ T1076] ipv6_add_addr+0x411/0x2000 [ 1217.126387][ T1076] inet6_addr_add+0x30e/0xa40 [ 1217.126387][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.126387][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.126387][ T1076] netlink_rcv_skb+0x130/0x360 [ 1217.126387][ T1076] netlink_unicast+0x449/0x710 [ 1217.126387][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1217.126387][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1217.126387][ T1076] ___sys_sendmsg+0xee/0x170 [ 1217.126387][ T1076] __sys_sendmsg+0xcd/0x170 [ 1217.126387][ T1076] do_syscall_64+0xc6/0x1e0 [ 1217.126387][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.126387][ T1076] [ 1217.129855][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1217.129855][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1217.129855][ T1076] ipv6_find_idev+0x102/0x170 [ 1217.129855][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1217.129855][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.129855][ T1076] netlink_rcv_skb+0x130/0x360 [ 1217.129855][ T1076] netlink_unicast+0x449/0x710 [ 1217.129855][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1217.129855][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1217.129855][ T1076] ___sys_sendmsg+0xee/0x170 [ 1217.129855][ T1076] __sys_sendmsg+0xcd/0x170 [ 1217.129855][ T1076] do_syscall_64+0xc6/0x1e0 [ 1217.129855][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.129855][ T1076] [ 1217.132510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1217.132510][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1217.132510][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1217.132510][ T1076] ipv6_find_idev+0x102/0x170 [ 1217.132510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1217.132510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.132510][ T1076] netlink_rcv_skb+0x130/0x360 [ 1217.132510][ T1076] netlink_unicast+0x449/0x710 [ 1217.132510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1217.132510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1217.132510][ T1076] ___sys_sendmsg+0xee/0x170 [ 1217.132510][ T1076] __sys_sendmsg+0xcd/0x170 [ 1217.132510][ T1076] do_syscall_64+0xc6/0x1e0 [ 1217.132510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.132510][ T1076] [ 1227.325749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1227.326185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1227.326185][ T1076] netdev_get_by_index+0x5e/0x80 [ 1227.326185][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1227.326185][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1227.326185][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1227.326185][ T1076] ipv6_add_addr+0x411/0x2000 [ 1227.326185][ T1076] inet6_addr_add+0x30e/0xa40 [ 1227.326185][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.326185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.326185][ T1076] netlink_rcv_skb+0x130/0x360 [ 1227.326185][ T1076] netlink_unicast+0x449/0x710 [ 1227.326185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1227.326185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1227.326185][ T1076] ___sys_sendmsg+0xee/0x170 [ 1227.326185][ T1076] __sys_sendmsg+0xcd/0x170 [ 1227.326185][ T1076] do_syscall_64+0xc6/0x1e0 [ 1227.326185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.326185][ T1076] [ 1227.328464][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1227.328464][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1227.328464][ T1076] ipv6_find_idev+0x102/0x170 [ 1227.328464][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.328464][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.328464][ T1076] netlink_rcv_skb+0x130/0x360 [ 1227.328464][ T1076] netlink_unicast+0x449/0x710 [ 1227.328464][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1227.328464][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1227.328464][ T1076] ___sys_sendmsg+0xee/0x170 [ 1227.328464][ T1076] __sys_sendmsg+0xcd/0x170 [ 1227.328464][ T1076] do_syscall_64+0xc6/0x1e0 [ 1227.328464][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.328464][ T1076] [ 1227.330194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1227.330194][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1227.330194][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1227.330194][ T1076] ipv6_find_idev+0x102/0x170 [ 1227.330194][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.330194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.330194][ T1076] netlink_rcv_skb+0x130/0x360 [ 1227.330194][ T1076] netlink_unicast+0x449/0x710 [ 1227.330194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1227.330194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1227.330194][ T1076] ___sys_sendmsg+0xee/0x170 [ 1227.330194][ T1076] __sys_sendmsg+0xcd/0x170 [ 1227.330194][ T1076] do_syscall_64+0xc6/0x1e0 [ 1227.330194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.330194][ T1076] [ 1237.573707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1237.574183][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1237.574183][ T1076] netdev_get_by_index+0x5e/0x80 [ 1237.574183][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1237.574183][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1237.574183][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1237.574183][ T1076] ipv6_add_addr+0x411/0x2000 [ 1237.574183][ T1076] inet6_addr_add+0x30e/0xa40 [ 1237.574183][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.574183][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.574183][ T1076] netlink_rcv_skb+0x130/0x360 [ 1237.574183][ T1076] netlink_unicast+0x449/0x710 [ 1237.574183][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1237.574183][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1237.574183][ T1076] ___sys_sendmsg+0xee/0x170 [ 1237.574183][ T1076] __sys_sendmsg+0xcd/0x170 [ 1237.574183][ T1076] do_syscall_64+0xc6/0x1e0 [ 1237.574183][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.574183][ T1076] [ 1237.576517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1237.576517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1237.576517][ T1076] ipv6_find_idev+0x102/0x170 [ 1237.576517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.576517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.576517][ T1076] netlink_rcv_skb+0x130/0x360 [ 1237.576517][ T1076] netlink_unicast+0x449/0x710 [ 1237.576517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1237.576517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1237.576517][ T1076] ___sys_sendmsg+0xee/0x170 [ 1237.576517][ T1076] __sys_sendmsg+0xcd/0x170 [ 1237.576517][ T1076] do_syscall_64+0xc6/0x1e0 [ 1237.576517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.576517][ T1076] [ 1237.578297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1237.578297][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1237.578297][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1237.578297][ T1076] ipv6_find_idev+0x102/0x170 [ 1237.578297][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.578297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.578297][ T1076] netlink_rcv_skb+0x130/0x360 [ 1237.578297][ T1076] netlink_unicast+0x449/0x710 [ 1237.578297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1237.578297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1237.578297][ T1076] ___sys_sendmsg+0xee/0x170 [ 1237.578297][ T1076] __sys_sendmsg+0xcd/0x170 [ 1237.578297][ T1076] do_syscall_64+0xc6/0x1e0 [ 1237.578297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.578297][ T1076] [ 1247.821751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1247.822213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1247.822213][ T1076] netdev_get_by_index+0x5e/0x80 [ 1247.822213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1247.822213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1247.822213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1247.822213][ T1076] ipv6_add_addr+0x411/0x2000 [ 1247.822213][ T1076] inet6_addr_add+0x30e/0xa40 [ 1247.822213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.822213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.822213][ T1076] netlink_rcv_skb+0x130/0x360 [ 1247.822213][ T1076] netlink_unicast+0x449/0x710 [ 1247.822213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1247.822213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1247.822213][ T1076] ___sys_sendmsg+0xee/0x170 [ 1247.822213][ T1076] __sys_sendmsg+0xcd/0x170 [ 1247.822213][ T1076] do_syscall_64+0xc6/0x1e0 [ 1247.822213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.822213][ T1076] [ 1247.824635][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1247.824635][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1247.824635][ T1076] ipv6_find_idev+0x102/0x170 [ 1247.824635][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.824635][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.824635][ T1076] netlink_rcv_skb+0x130/0x360 [ 1247.824635][ T1076] netlink_unicast+0x449/0x710 [ 1247.824635][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1247.824635][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1247.824635][ T1076] ___sys_sendmsg+0xee/0x170 [ 1247.824635][ T1076] __sys_sendmsg+0xcd/0x170 [ 1247.824635][ T1076] do_syscall_64+0xc6/0x1e0 [ 1247.824635][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.824635][ T1076] [ 1247.826611][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1247.826611][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1247.826611][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1247.826611][ T1076] ipv6_find_idev+0x102/0x170 [ 1247.826611][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.826611][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.826611][ T1076] netlink_rcv_skb+0x130/0x360 [ 1247.826611][ T1076] netlink_unicast+0x449/0x710 [ 1247.826611][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1247.826611][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1247.826611][ T1076] ___sys_sendmsg+0xee/0x170 [ 1247.826611][ T1076] __sys_sendmsg+0xcd/0x170 [ 1247.826611][ T1076] do_syscall_64+0xc6/0x1e0 [ 1247.826611][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.826611][ T1076] [ 1258.069693][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1258.070237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1258.070237][ T1076] netdev_get_by_index+0x5e/0x80 [ 1258.070237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1258.070237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1258.070237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1258.070237][ T1076] ipv6_add_addr+0x411/0x2000 [ 1258.070237][ T1076] inet6_addr_add+0x30e/0xa40 [ 1258.070237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1258.070237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.070237][ T1076] netlink_rcv_skb+0x130/0x360 [ 1258.070237][ T1076] netlink_unicast+0x449/0x710 [ 1258.070237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1258.070237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1258.070237][ T1076] ___sys_sendmsg+0xee/0x170 [ 1258.070237][ T1076] __sys_sendmsg+0xcd/0x170 [ 1258.070237][ T1076] do_syscall_64+0xc6/0x1e0 [ 1258.070237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.070237][ T1076] [ 1258.072569][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1258.072569][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1258.072569][ T1076] ipv6_find_idev+0x102/0x170 [ 1258.072569][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1258.072569][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.072569][ T1076] netlink_rcv_skb+0x130/0x360 [ 1258.072569][ T1076] netlink_unicast+0x449/0x710 [ 1258.072569][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1258.072569][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1258.072569][ T1076] ___sys_sendmsg+0xee/0x170 [ 1258.072569][ T1076] __sys_sendmsg+0xcd/0x170 [ 1258.072569][ T1076] do_syscall_64+0xc6/0x1e0 [ 1258.072569][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.072569][ T1076] [ 1258.074401][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1258.074401][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1258.074401][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1258.074401][ T1076] ipv6_find_idev+0x102/0x170 [ 1258.074401][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1258.074401][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.074401][ T1076] netlink_rcv_skb+0x130/0x360 [ 1258.074401][ T1076] netlink_unicast+0x449/0x710 [ 1258.074401][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1258.074401][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1258.074401][ T1076] ___sys_sendmsg+0xee/0x170 [ 1258.074401][ T1076] __sys_sendmsg+0xcd/0x170 [ 1258.074401][ T1076] do_syscall_64+0xc6/0x1e0 [ 1258.074401][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.074401][ T1076] [ 1268.085712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1268.086229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1268.086229][ T1076] netdev_get_by_index+0x5e/0x80 [ 1268.086229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1268.086229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1268.086229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1268.086229][ T1076] ipv6_add_addr+0x411/0x2000 [ 1268.086229][ T1076] inet6_addr_add+0x30e/0xa40 [ 1268.086229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.086229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.086229][ T1076] netlink_rcv_skb+0x130/0x360 [ 1268.086229][ T1076] netlink_unicast+0x449/0x710 [ 1268.086229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1268.086229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1268.086229][ T1076] ___sys_sendmsg+0xee/0x170 [ 1268.086229][ T1076] __sys_sendmsg+0xcd/0x170 [ 1268.086229][ T1076] do_syscall_64+0xc6/0x1e0 [ 1268.086229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.086229][ T1076] [ 1268.088521][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1268.088521][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1268.088521][ T1076] ipv6_find_idev+0x102/0x170 [ 1268.088521][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1268.088521][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.088521][ T1076] netlink_rcv_skb+0x130/0x360 [ 1268.088521][ T1076] netlink_unicast+0x449/0x710 [ 1268.088521][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1268.088521][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1268.088521][ T1076] ___sys_sendmsg+0xee/0x170 [ 1268.088521][ T1076] __sys_sendmsg+0xcd/0x170 [ 1268.088521][ T1076] do_syscall_64+0xc6/0x1e0 [ 1268.088521][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.088521][ T1076] [ 1268.090267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1268.090267][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1268.090267][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1268.090267][ T1076] ipv6_find_idev+0x102/0x170 [ 1268.090267][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1268.090267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.090267][ T1076] netlink_rcv_skb+0x130/0x360 [ 1268.090267][ T1076] netlink_unicast+0x449/0x710 [ 1268.090267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1268.090267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1268.090267][ T1076] ___sys_sendmsg+0xee/0x170 [ 1268.090267][ T1076] __sys_sendmsg+0xcd/0x170 [ 1268.090267][ T1076] do_syscall_64+0xc6/0x1e0 [ 1268.090267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.090267][ T1076] [ 1278.341742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1278.342271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1278.342271][ T1076] netdev_get_by_index+0x5e/0x80 [ 1278.342271][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1278.342271][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1278.342271][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1278.342271][ T1076] ipv6_add_addr+0x411/0x2000 [ 1278.342271][ T1076] inet6_addr_add+0x30e/0xa40 [ 1278.342271][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.342271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.342271][ T1076] netlink_rcv_skb+0x130/0x360 [ 1278.342271][ T1076] netlink_unicast+0x449/0x710 [ 1278.342271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1278.342271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1278.342271][ T1076] ___sys_sendmsg+0xee/0x170 [ 1278.342271][ T1076] __sys_sendmsg+0xcd/0x170 [ 1278.342271][ T1076] do_syscall_64+0xc6/0x1e0 [ 1278.342271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.342271][ T1076] [ 1278.344552][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1278.344552][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1278.344552][ T1076] ipv6_find_idev+0x102/0x170 [ 1278.344552][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.344552][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.344552][ T1076] netlink_rcv_skb+0x130/0x360 [ 1278.344552][ T1076] netlink_unicast+0x449/0x710 [ 1278.344552][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1278.344552][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1278.344552][ T1076] ___sys_sendmsg+0xee/0x170 [ 1278.344552][ T1076] __sys_sendmsg+0xcd/0x170 [ 1278.344552][ T1076] do_syscall_64+0xc6/0x1e0 [ 1278.344552][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.344552][ T1076] [ 1278.346303][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1278.346303][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1278.346303][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1278.346303][ T1076] ipv6_find_idev+0x102/0x170 [ 1278.346303][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.346303][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.346303][ T1076] netlink_rcv_skb+0x130/0x360 [ 1278.346303][ T1076] netlink_unicast+0x449/0x710 [ 1278.346303][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1278.346303][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1278.346303][ T1076] ___sys_sendmsg+0xee/0x170 [ 1278.346303][ T1076] __sys_sendmsg+0xcd/0x170 [ 1278.346303][ T1076] do_syscall_64+0xc6/0x1e0 [ 1278.346303][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.346303][ T1076] [ 1288.597683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1288.598216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1288.598216][ T1076] netdev_get_by_index+0x5e/0x80 [ 1288.598216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1288.598216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1288.598216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1288.598216][ T1076] ipv6_add_addr+0x411/0x2000 [ 1288.598216][ T1076] inet6_addr_add+0x30e/0xa40 [ 1288.598216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.598216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.598216][ T1076] netlink_rcv_skb+0x130/0x360 [ 1288.598216][ T1076] netlink_unicast+0x449/0x710 [ 1288.598216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1288.598216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1288.598216][ T1076] ___sys_sendmsg+0xee/0x170 [ 1288.598216][ T1076] __sys_sendmsg+0xcd/0x170 [ 1288.598216][ T1076] do_syscall_64+0xc6/0x1e0 [ 1288.598216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.598216][ T1076] [ 1288.600511][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1288.600511][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1288.600511][ T1076] ipv6_find_idev+0x102/0x170 [ 1288.600511][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.600511][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.600511][ T1076] netlink_rcv_skb+0x130/0x360 [ 1288.600511][ T1076] netlink_unicast+0x449/0x710 [ 1288.600511][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1288.600511][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1288.600511][ T1076] ___sys_sendmsg+0xee/0x170 [ 1288.600511][ T1076] __sys_sendmsg+0xcd/0x170 [ 1288.600511][ T1076] do_syscall_64+0xc6/0x1e0 [ 1288.600511][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.600511][ T1076] [ 1288.602256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1288.602256][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1288.602256][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1288.602256][ T1076] ipv6_find_idev+0x102/0x170 [ 1288.602256][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.602256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.602256][ T1076] netlink_rcv_skb+0x130/0x360 [ 1288.602256][ T1076] netlink_unicast+0x449/0x710 [ 1288.602256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1288.602256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1288.602256][ T1076] ___sys_sendmsg+0xee/0x170 [ 1288.602256][ T1076] __sys_sendmsg+0xcd/0x170 [ 1288.602256][ T1076] do_syscall_64+0xc6/0x1e0 [ 1288.602256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.602256][ T1076] [ 1298.677802][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1298.678296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1298.678296][ T1076] netdev_get_by_index+0x5e/0x80 [ 1298.678296][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1298.678296][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1298.678296][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1298.678296][ T1076] ipv6_add_addr+0x411/0x2000 [ 1298.678296][ T1076] inet6_addr_add+0x30e/0xa40 [ 1298.678296][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.678296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.678296][ T1076] netlink_rcv_skb+0x130/0x360 [ 1298.678296][ T1076] netlink_unicast+0x449/0x710 [ 1298.678296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1298.678296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1298.678296][ T1076] ___sys_sendmsg+0xee/0x170 [ 1298.678296][ T1076] __sys_sendmsg+0xcd/0x170 [ 1298.678296][ T1076] do_syscall_64+0xc6/0x1e0 [ 1298.678296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.678296][ T1076] [ 1298.680572][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1298.680572][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1298.680572][ T1076] ipv6_find_idev+0x102/0x170 [ 1298.680572][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.680572][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.680572][ T1076] netlink_rcv_skb+0x130/0x360 [ 1298.680572][ T1076] netlink_unicast+0x449/0x710 [ 1298.680572][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1298.680572][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1298.680572][ T1076] ___sys_sendmsg+0xee/0x170 [ 1298.680572][ T1076] __sys_sendmsg+0xcd/0x170 [ 1298.680572][ T1076] do_syscall_64+0xc6/0x1e0 [ 1298.680572][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.680572][ T1076] [ 1298.682318][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1298.682318][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1298.682318][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1298.682318][ T1076] ipv6_find_idev+0x102/0x170 [ 1298.682318][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.682318][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.682318][ T1076] netlink_rcv_skb+0x130/0x360 [ 1298.682318][ T1076] netlink_unicast+0x449/0x710 [ 1298.682318][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1298.682318][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1298.682318][ T1076] ___sys_sendmsg+0xee/0x170 [ 1298.682318][ T1076] __sys_sendmsg+0xcd/0x170 [ 1298.682318][ T1076] do_syscall_64+0xc6/0x1e0 [ 1298.682318][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.682318][ T1076] [ 1308.925703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1308.926346][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1308.926346][ T1076] netdev_get_by_index+0x5e/0x80 [ 1308.926346][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1308.926346][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1308.926346][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1308.926346][ T1076] ipv6_add_addr+0x411/0x2000 [ 1308.926346][ T1076] inet6_addr_add+0x30e/0xa40 [ 1308.926346][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.926346][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.926346][ T1076] netlink_rcv_skb+0x130/0x360 [ 1308.926346][ T1076] netlink_unicast+0x449/0x710 [ 1308.926346][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1308.926346][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1308.926346][ T1076] ___sys_sendmsg+0xee/0x170 [ 1308.926346][ T1076] __sys_sendmsg+0xcd/0x170 [ 1308.926346][ T1076] do_syscall_64+0xc6/0x1e0 [ 1308.926346][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.926346][ T1076] [ 1308.929473][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1308.929473][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1308.929473][ T1076] ipv6_find_idev+0x102/0x170 [ 1308.929473][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.929473][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.929473][ T1076] netlink_rcv_skb+0x130/0x360 [ 1308.929473][ T1076] netlink_unicast+0x449/0x710 [ 1308.929473][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1308.929473][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1308.929473][ T1076] ___sys_sendmsg+0xee/0x170 [ 1308.929473][ T1076] __sys_sendmsg+0xcd/0x170 [ 1308.929473][ T1076] do_syscall_64+0xc6/0x1e0 [ 1308.929473][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.929473][ T1076] [ 1308.931238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1308.931238][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1308.931238][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1308.931238][ T1076] ipv6_find_idev+0x102/0x170 [ 1308.931238][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.931238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.931238][ T1076] netlink_rcv_skb+0x130/0x360 [ 1308.931238][ T1076] netlink_unicast+0x449/0x710 [ 1308.931238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1308.931238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1308.931238][ T1076] ___sys_sendmsg+0xee/0x170 [ 1308.931238][ T1076] __sys_sendmsg+0xcd/0x170 [ 1308.931238][ T1076] do_syscall_64+0xc6/0x1e0 [ 1308.931238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.931238][ T1076] [ 1319.173710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1319.174302][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1319.174302][ T1076] netdev_get_by_index+0x5e/0x80 [ 1319.174302][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1319.174302][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1319.174302][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1319.174302][ T1076] ipv6_add_addr+0x411/0x2000 [ 1319.174302][ T1076] inet6_addr_add+0x30e/0xa40 [ 1319.174302][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.174302][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.174302][ T1076] netlink_rcv_skb+0x130/0x360 [ 1319.174302][ T1076] netlink_unicast+0x449/0x710 [ 1319.174302][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1319.174302][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1319.174302][ T1076] ___sys_sendmsg+0xee/0x170 [ 1319.174302][ T1076] __sys_sendmsg+0xcd/0x170 [ 1319.174302][ T1076] do_syscall_64+0xc6/0x1e0 [ 1319.174302][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.174302][ T1076] [ 1319.177883][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1319.177883][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1319.177883][ T1076] ipv6_find_idev+0x102/0x170 [ 1319.177883][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1319.177883][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.177883][ T1076] netlink_rcv_skb+0x130/0x360 [ 1319.177883][ T1076] netlink_unicast+0x449/0x710 [ 1319.177883][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1319.177883][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1319.177883][ T1076] ___sys_sendmsg+0xee/0x170 [ 1319.177883][ T1076] __sys_sendmsg+0xcd/0x170 [ 1319.177883][ T1076] do_syscall_64+0xc6/0x1e0 [ 1319.177883][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.177883][ T1076] [ 1319.180508][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1319.180508][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1319.180508][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1319.180508][ T1076] ipv6_find_idev+0x102/0x170 [ 1319.180508][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1319.180508][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.180508][ T1076] netlink_rcv_skb+0x130/0x360 [ 1319.180508][ T1076] netlink_unicast+0x449/0x710 [ 1319.180508][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1319.180508][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1319.180508][ T1076] ___sys_sendmsg+0xee/0x170 [ 1319.180508][ T1076] __sys_sendmsg+0xcd/0x170 [ 1319.180508][ T1076] do_syscall_64+0xc6/0x1e0 [ 1319.180508][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.180508][ T1076] [ 1329.421720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1329.422297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1329.422297][ T1076] netdev_get_by_index+0x5e/0x80 [ 1329.422297][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1329.422297][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1329.422297][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1329.422297][ T1076] ipv6_add_addr+0x411/0x2000 [ 1329.422297][ T1076] inet6_addr_add+0x30e/0xa40 [ 1329.422297][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.422297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.422297][ T1076] netlink_rcv_skb+0x130/0x360 [ 1329.422297][ T1076] netlink_unicast+0x449/0x710 [ 1329.422297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1329.422297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1329.422297][ T1076] ___sys_sendmsg+0xee/0x170 [ 1329.422297][ T1076] __sys_sendmsg+0xcd/0x170 [ 1329.422297][ T1076] do_syscall_64+0xc6/0x1e0 [ 1329.422297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.422297][ T1076] [ 1329.424585][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1329.424585][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1329.424585][ T1076] ipv6_find_idev+0x102/0x170 [ 1329.424585][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.424585][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.424585][ T1076] netlink_rcv_skb+0x130/0x360 [ 1329.424585][ T1076] netlink_unicast+0x449/0x710 [ 1329.424585][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1329.424585][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1329.424585][ T1076] ___sys_sendmsg+0xee/0x170 [ 1329.424585][ T1076] __sys_sendmsg+0xcd/0x170 [ 1329.424585][ T1076] do_syscall_64+0xc6/0x1e0 [ 1329.424585][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.424585][ T1076] [ 1329.426363][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1329.426363][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1329.426363][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1329.426363][ T1076] ipv6_find_idev+0x102/0x170 [ 1329.426363][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.426363][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.426363][ T1076] netlink_rcv_skb+0x130/0x360 [ 1329.426363][ T1076] netlink_unicast+0x449/0x710 [ 1329.426363][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1329.426363][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1329.426363][ T1076] ___sys_sendmsg+0xee/0x170 [ 1329.426363][ T1076] __sys_sendmsg+0xcd/0x170 [ 1329.426363][ T1076] do_syscall_64+0xc6/0x1e0 [ 1329.426363][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.426363][ T1076] [ 1339.453755][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1339.454254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1339.454254][ T1076] netdev_get_by_index+0x5e/0x80 [ 1339.454254][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1339.454254][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1339.454254][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1339.454254][ T1076] ipv6_add_addr+0x411/0x2000 [ 1339.454254][ T1076] inet6_addr_add+0x30e/0xa40 [ 1339.454254][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.454254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.454254][ T1076] netlink_rcv_skb+0x130/0x360 [ 1339.454254][ T1076] netlink_unicast+0x449/0x710 [ 1339.454254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1339.454254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1339.454254][ T1076] ___sys_sendmsg+0xee/0x170 [ 1339.454254][ T1076] __sys_sendmsg+0xcd/0x170 [ 1339.454254][ T1076] do_syscall_64+0xc6/0x1e0 [ 1339.454254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.454254][ T1076] [ 1339.456591][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1339.456591][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1339.456591][ T1076] ipv6_find_idev+0x102/0x170 [ 1339.456591][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.456591][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.456591][ T1076] netlink_rcv_skb+0x130/0x360 [ 1339.456591][ T1076] netlink_unicast+0x449/0x710 [ 1339.456591][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1339.456591][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1339.456591][ T1076] ___sys_sendmsg+0xee/0x170 [ 1339.456591][ T1076] __sys_sendmsg+0xcd/0x170 [ 1339.456591][ T1076] do_syscall_64+0xc6/0x1e0 [ 1339.456591][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.456591][ T1076] [ 1339.458337][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1339.458337][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1339.458337][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1339.458337][ T1076] ipv6_find_idev+0x102/0x170 [ 1339.458337][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.458337][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.458337][ T1076] netlink_rcv_skb+0x130/0x360 [ 1339.458337][ T1076] netlink_unicast+0x449/0x710 [ 1339.458337][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1339.458337][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1339.458337][ T1076] ___sys_sendmsg+0xee/0x170 [ 1339.458337][ T1076] __sys_sendmsg+0xcd/0x170 [ 1339.458337][ T1076] do_syscall_64+0xc6/0x1e0 [ 1339.458337][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.458337][ T1076] [ 1349.701722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1349.702364][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1349.702364][ T1076] netdev_get_by_index+0x5e/0x80 [ 1349.702364][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1349.702364][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1349.702364][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1349.702364][ T1076] ipv6_add_addr+0x411/0x2000 [ 1349.702364][ T1076] inet6_addr_add+0x30e/0xa40 [ 1349.702364][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.702364][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.702364][ T1076] netlink_rcv_skb+0x130/0x360 [ 1349.702364][ T1076] netlink_unicast+0x449/0x710 [ 1349.702364][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1349.702364][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1349.702364][ T1076] ___sys_sendmsg+0xee/0x170 [ 1349.702364][ T1076] __sys_sendmsg+0xcd/0x170 [ 1349.702364][ T1076] do_syscall_64+0xc6/0x1e0 [ 1349.702364][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.702364][ T1076] [ 1349.706022][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1349.706022][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1349.706022][ T1076] ipv6_find_idev+0x102/0x170 [ 1349.706022][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.706022][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.706022][ T1076] netlink_rcv_skb+0x130/0x360 [ 1349.706022][ T1076] netlink_unicast+0x449/0x710 [ 1349.706022][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1349.706022][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1349.706022][ T1076] ___sys_sendmsg+0xee/0x170 [ 1349.706022][ T1076] __sys_sendmsg+0xcd/0x170 [ 1349.706022][ T1076] do_syscall_64+0xc6/0x1e0 [ 1349.706022][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.706022][ T1076] [ 1349.708757][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1349.708757][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1349.708757][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1349.708757][ T1076] ipv6_find_idev+0x102/0x170 [ 1349.708757][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.708757][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.708757][ T1076] netlink_rcv_skb+0x130/0x360 [ 1349.708757][ T1076] netlink_unicast+0x449/0x710 [ 1349.708757][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1349.708757][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1349.708757][ T1076] ___sys_sendmsg+0xee/0x170 [ 1349.708757][ T1076] __sys_sendmsg+0xcd/0x170 [ 1349.708757][ T1076] do_syscall_64+0xc6/0x1e0 [ 1349.708757][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.708757][ T1076] [ 1359.837785][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1359.838270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1359.838270][ T1076] netdev_get_by_index+0x5e/0x80 [ 1359.838270][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1359.838270][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1359.838270][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1359.838270][ T1076] ipv6_add_addr+0x411/0x2000 [ 1359.838270][ T1076] inet6_addr_add+0x30e/0xa40 [ 1359.838270][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.838270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.838270][ T1076] netlink_rcv_skb+0x130/0x360 [ 1359.838270][ T1076] netlink_unicast+0x449/0x710 [ 1359.838270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1359.838270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1359.838270][ T1076] ___sys_sendmsg+0xee/0x170 [ 1359.838270][ T1076] __sys_sendmsg+0xcd/0x170 [ 1359.838270][ T1076] do_syscall_64+0xc6/0x1e0 [ 1359.838270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.838270][ T1076] [ 1359.840562][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1359.840562][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1359.840562][ T1076] ipv6_find_idev+0x102/0x170 [ 1359.840562][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.840562][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.840562][ T1076] netlink_rcv_skb+0x130/0x360 [ 1359.840562][ T1076] netlink_unicast+0x449/0x710 [ 1359.840562][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1359.840562][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1359.840562][ T1076] ___sys_sendmsg+0xee/0x170 [ 1359.840562][ T1076] __sys_sendmsg+0xcd/0x170 [ 1359.840562][ T1076] do_syscall_64+0xc6/0x1e0 [ 1359.840562][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.840562][ T1076] [ 1359.842592][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1359.842592][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1359.842592][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1359.842592][ T1076] ipv6_find_idev+0x102/0x170 [ 1359.842592][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.842592][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.842592][ T1076] netlink_rcv_skb+0x130/0x360 [ 1359.842592][ T1076] netlink_unicast+0x449/0x710 [ 1359.842592][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1359.842592][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1359.842592][ T1076] ___sys_sendmsg+0xee/0x170 [ 1359.842592][ T1076] __sys_sendmsg+0xcd/0x170 [ 1359.842592][ T1076] do_syscall_64+0xc6/0x1e0 [ 1359.842592][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.842592][ T1076] [ 1369.869642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1369.870065][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1369.870065][ T1076] netdev_get_by_index+0x5e/0x80 [ 1369.870065][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1369.870065][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1369.870065][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1369.870065][ T1076] ipv6_add_addr+0x411/0x2000 [ 1369.870065][ T1076] inet6_addr_add+0x30e/0xa40 [ 1369.870065][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.870065][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.870065][ T1076] netlink_rcv_skb+0x130/0x360 [ 1369.870065][ T1076] netlink_unicast+0x449/0x710 [ 1369.870065][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1369.870065][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1369.870065][ T1076] ___sys_sendmsg+0xee/0x170 [ 1369.870065][ T1076] __sys_sendmsg+0xcd/0x170 [ 1369.870065][ T1076] do_syscall_64+0xc6/0x1e0 [ 1369.870065][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.870065][ T1076] [ 1369.872331][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1369.872331][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1369.872331][ T1076] ipv6_find_idev+0x102/0x170 [ 1369.872331][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.872331][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.872331][ T1076] netlink_rcv_skb+0x130/0x360 [ 1369.872331][ T1076] netlink_unicast+0x449/0x710 [ 1369.872331][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1369.872331][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1369.872331][ T1076] ___sys_sendmsg+0xee/0x170 [ 1369.872331][ T1076] __sys_sendmsg+0xcd/0x170 [ 1369.872331][ T1076] do_syscall_64+0xc6/0x1e0 [ 1369.872331][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.872331][ T1076] [ 1369.874067][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1369.874067][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1369.874067][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1369.874067][ T1076] ipv6_find_idev+0x102/0x170 [ 1369.874067][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.874067][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.874067][ T1076] netlink_rcv_skb+0x130/0x360 [ 1369.874067][ T1076] netlink_unicast+0x449/0x710 [ 1369.874067][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1369.874067][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1369.874067][ T1076] ___sys_sendmsg+0xee/0x170 [ 1369.874067][ T1076] __sys_sendmsg+0xcd/0x170 [ 1369.874067][ T1076] do_syscall_64+0xc6/0x1e0 [ 1369.874067][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.874067][ T1076] [ 1380.125684][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1380.126134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1380.126134][ T1076] netdev_get_by_index+0x5e/0x80 [ 1380.126134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1380.126134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1380.126134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1380.126134][ T1076] ipv6_add_addr+0x411/0x2000 [ 1380.126134][ T1076] inet6_addr_add+0x30e/0xa40 [ 1380.126134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.126134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.126134][ T1076] netlink_rcv_skb+0x130/0x360 [ 1380.126134][ T1076] netlink_unicast+0x449/0x710 [ 1380.126134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1380.126134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1380.126134][ T1076] ___sys_sendmsg+0xee/0x170 [ 1380.126134][ T1076] __sys_sendmsg+0xcd/0x170 [ 1380.126134][ T1076] do_syscall_64+0xc6/0x1e0 [ 1380.126134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.126134][ T1076] [ 1380.128403][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1380.128403][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1380.128403][ T1076] ipv6_find_idev+0x102/0x170 [ 1380.128403][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.128403][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.128403][ T1076] netlink_rcv_skb+0x130/0x360 [ 1380.128403][ T1076] netlink_unicast+0x449/0x710 [ 1380.128403][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1380.128403][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1380.128403][ T1076] ___sys_sendmsg+0xee/0x170 [ 1380.128403][ T1076] __sys_sendmsg+0xcd/0x170 [ 1380.128403][ T1076] do_syscall_64+0xc6/0x1e0 [ 1380.128403][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.128403][ T1076] [ 1380.130140][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1380.130140][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1380.130140][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1380.130140][ T1076] ipv6_find_idev+0x102/0x170 [ 1380.130140][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.130140][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.130140][ T1076] netlink_rcv_skb+0x130/0x360 [ 1380.130140][ T1076] netlink_unicast+0x449/0x710 [ 1380.130140][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1380.130140][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1380.130140][ T1076] ___sys_sendmsg+0xee/0x170 [ 1380.130140][ T1076] __sys_sendmsg+0xcd/0x170 [ 1380.130140][ T1076] do_syscall_64+0xc6/0x1e0 [ 1380.130140][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.130140][ T1076] [ 1390.373710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1390.374229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1390.374229][ T1076] netdev_get_by_index+0x5e/0x80 [ 1390.374229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1390.374229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1390.374229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1390.374229][ T1076] ipv6_add_addr+0x411/0x2000 [ 1390.374229][ T1076] inet6_addr_add+0x30e/0xa40 [ 1390.374229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.374229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.374229][ T1076] netlink_rcv_skb+0x130/0x360 [ 1390.374229][ T1076] netlink_unicast+0x449/0x710 [ 1390.374229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1390.374229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1390.374229][ T1076] ___sys_sendmsg+0xee/0x170 [ 1390.374229][ T1076] __sys_sendmsg+0xcd/0x170 [ 1390.374229][ T1076] do_syscall_64+0xc6/0x1e0 [ 1390.374229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.374229][ T1076] [ 1390.376540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1390.376540][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1390.376540][ T1076] ipv6_find_idev+0x102/0x170 [ 1390.376540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.376540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.376540][ T1076] netlink_rcv_skb+0x130/0x360 [ 1390.376540][ T1076] netlink_unicast+0x449/0x710 [ 1390.376540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1390.376540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1390.376540][ T1076] ___sys_sendmsg+0xee/0x170 [ 1390.376540][ T1076] __sys_sendmsg+0xcd/0x170 [ 1390.376540][ T1076] do_syscall_64+0xc6/0x1e0 [ 1390.376540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.376540][ T1076] [ 1390.378269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1390.378269][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1390.378269][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1390.378269][ T1076] ipv6_find_idev+0x102/0x170 [ 1390.378269][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.378269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.378269][ T1076] netlink_rcv_skb+0x130/0x360 [ 1390.378269][ T1076] netlink_unicast+0x449/0x710 [ 1390.378269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1390.378269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1390.378269][ T1076] ___sys_sendmsg+0xee/0x170 [ 1390.378269][ T1076] __sys_sendmsg+0xcd/0x170 [ 1390.378269][ T1076] do_syscall_64+0xc6/0x1e0 [ 1390.378269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.378269][ T1076] [ 1400.621653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1400.622084][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1400.622084][ T1076] netdev_get_by_index+0x5e/0x80 [ 1400.622084][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1400.622084][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1400.622084][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1400.622084][ T1076] ipv6_add_addr+0x411/0x2000 [ 1400.622084][ T1076] inet6_addr_add+0x30e/0xa40 [ 1400.622084][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.622084][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.622084][ T1076] netlink_rcv_skb+0x130/0x360 [ 1400.622084][ T1076] netlink_unicast+0x449/0x710 [ 1400.622084][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1400.622084][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1400.622084][ T1076] ___sys_sendmsg+0xee/0x170 [ 1400.622084][ T1076] __sys_sendmsg+0xcd/0x170 [ 1400.622084][ T1076] do_syscall_64+0xc6/0x1e0 [ 1400.622084][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.622084][ T1076] [ 1400.624372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1400.624372][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1400.624372][ T1076] ipv6_find_idev+0x102/0x170 [ 1400.624372][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.624372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.624372][ T1076] netlink_rcv_skb+0x130/0x360 [ 1400.624372][ T1076] netlink_unicast+0x449/0x710 [ 1400.624372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1400.624372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1400.624372][ T1076] ___sys_sendmsg+0xee/0x170 [ 1400.624372][ T1076] __sys_sendmsg+0xcd/0x170 [ 1400.624372][ T1076] do_syscall_64+0xc6/0x1e0 [ 1400.624372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.624372][ T1076] [ 1400.626121][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1400.626121][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1400.626121][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1400.626121][ T1076] ipv6_find_idev+0x102/0x170 [ 1400.626121][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.626121][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.626121][ T1076] netlink_rcv_skb+0x130/0x360 [ 1400.626121][ T1076] netlink_unicast+0x449/0x710 [ 1400.626121][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1400.626121][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1400.626121][ T1076] ___sys_sendmsg+0xee/0x170 [ 1400.626121][ T1076] __sys_sendmsg+0xcd/0x170 [ 1400.626121][ T1076] do_syscall_64+0xc6/0x1e0 [ 1400.626121][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.626121][ T1076] [ 1410.869697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1410.870332][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1410.870332][ T1076] netdev_get_by_index+0x5e/0x80 [ 1410.870332][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1410.870332][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1410.870332][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1410.870332][ T1076] ipv6_add_addr+0x411/0x2000 [ 1410.870332][ T1076] inet6_addr_add+0x30e/0xa40 [ 1410.870332][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.870332][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.870332][ T1076] netlink_rcv_skb+0x130/0x360 [ 1410.870332][ T1076] netlink_unicast+0x449/0x710 [ 1410.870332][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1410.870332][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1410.870332][ T1076] ___sys_sendmsg+0xee/0x170 [ 1410.870332][ T1076] __sys_sendmsg+0xcd/0x170 [ 1410.870332][ T1076] do_syscall_64+0xc6/0x1e0 [ 1410.870332][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.870332][ T1076] [ 1410.873932][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1410.873932][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1410.873932][ T1076] ipv6_find_idev+0x102/0x170 [ 1410.873932][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.873932][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.873932][ T1076] netlink_rcv_skb+0x130/0x360 [ 1410.873932][ T1076] netlink_unicast+0x449/0x710 [ 1410.873932][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1410.873932][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1410.873932][ T1076] ___sys_sendmsg+0xee/0x170 [ 1410.873932][ T1076] __sys_sendmsg+0xcd/0x170 [ 1410.873932][ T1076] do_syscall_64+0xc6/0x1e0 [ 1410.873932][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.873932][ T1076] [ 1410.876733][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1410.876733][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1410.876733][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1410.876733][ T1076] ipv6_find_idev+0x102/0x170 [ 1410.876733][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.876733][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.876733][ T1076] netlink_rcv_skb+0x130/0x360 [ 1410.876733][ T1076] netlink_unicast+0x449/0x710 [ 1410.876733][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1410.876733][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1410.876733][ T1076] ___sys_sendmsg+0xee/0x170 [ 1410.876733][ T1076] __sys_sendmsg+0xcd/0x170 [ 1410.876733][ T1076] do_syscall_64+0xc6/0x1e0 [ 1410.876733][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.876733][ T1076] [ 1421.117756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1421.118202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1421.118202][ T1076] netdev_get_by_index+0x5e/0x80 [ 1421.118202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1421.118202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1421.118202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1421.118202][ T1076] ipv6_add_addr+0x411/0x2000 [ 1421.118202][ T1076] inet6_addr_add+0x30e/0xa40 [ 1421.118202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.118202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.118202][ T1076] netlink_rcv_skb+0x130/0x360 [ 1421.118202][ T1076] netlink_unicast+0x449/0x710 [ 1421.118202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1421.118202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1421.118202][ T1076] ___sys_sendmsg+0xee/0x170 [ 1421.118202][ T1076] __sys_sendmsg+0xcd/0x170 [ 1421.118202][ T1076] do_syscall_64+0xc6/0x1e0 [ 1421.118202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.118202][ T1076] [ 1421.120607][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1421.120607][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1421.120607][ T1076] ipv6_find_idev+0x102/0x170 [ 1421.120607][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.120607][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.120607][ T1076] netlink_rcv_skb+0x130/0x360 [ 1421.120607][ T1076] netlink_unicast+0x449/0x710 [ 1421.120607][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1421.120607][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1421.120607][ T1076] ___sys_sendmsg+0xee/0x170 [ 1421.120607][ T1076] __sys_sendmsg+0xcd/0x170 [ 1421.120607][ T1076] do_syscall_64+0xc6/0x1e0 [ 1421.120607][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.120607][ T1076] [ 1421.122371][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1421.122371][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1421.122371][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1421.122371][ T1076] ipv6_find_idev+0x102/0x170 [ 1421.122371][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.122371][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.122371][ T1076] netlink_rcv_skb+0x130/0x360 [ 1421.122371][ T1076] netlink_unicast+0x449/0x710 [ 1421.122371][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1421.122371][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1421.122371][ T1076] ___sys_sendmsg+0xee/0x170 [ 1421.122371][ T1076] __sys_sendmsg+0xcd/0x170 [ 1421.122371][ T1076] do_syscall_64+0xc6/0x1e0 [ 1421.122371][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.122371][ T1076] [ 1431.189696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1431.190129][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1431.190129][ T1076] netdev_get_by_index+0x5e/0x80 [ 1431.190129][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1431.190129][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1431.190129][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1431.190129][ T1076] ipv6_add_addr+0x411/0x2000 [ 1431.190129][ T1076] inet6_addr_add+0x30e/0xa40 [ 1431.190129][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.190129][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.190129][ T1076] netlink_rcv_skb+0x130/0x360 [ 1431.190129][ T1076] netlink_unicast+0x449/0x710 [ 1431.190129][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1431.190129][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1431.190129][ T1076] ___sys_sendmsg+0xee/0x170 [ 1431.190129][ T1076] __sys_sendmsg+0xcd/0x170 [ 1431.190129][ T1076] do_syscall_64+0xc6/0x1e0 [ 1431.190129][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.190129][ T1076] [ 1431.192406][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1431.192406][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1431.192406][ T1076] ipv6_find_idev+0x102/0x170 [ 1431.192406][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.192406][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.192406][ T1076] netlink_rcv_skb+0x130/0x360 [ 1431.192406][ T1076] netlink_unicast+0x449/0x710 [ 1431.192406][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1431.192406][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1431.192406][ T1076] ___sys_sendmsg+0xee/0x170 [ 1431.192406][ T1076] __sys_sendmsg+0xcd/0x170 [ 1431.192406][ T1076] do_syscall_64+0xc6/0x1e0 [ 1431.192406][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.192406][ T1076] [ 1431.194131][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1431.194131][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1431.194131][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1431.194131][ T1076] ipv6_find_idev+0x102/0x170 [ 1431.194131][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.194131][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.194131][ T1076] netlink_rcv_skb+0x130/0x360 [ 1431.194131][ T1076] netlink_unicast+0x449/0x710 [ 1431.194131][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1431.194131][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1431.194131][ T1076] ___sys_sendmsg+0xee/0x170 [ 1431.194131][ T1076] __sys_sendmsg+0xcd/0x170 [ 1431.194131][ T1076] do_syscall_64+0xc6/0x1e0 [ 1431.194131][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.194131][ T1076] [ 1441.437640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1441.438139][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1441.438139][ T1076] netdev_get_by_index+0x5e/0x80 [ 1441.438139][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1441.438139][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1441.438139][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1441.438139][ T1076] ipv6_add_addr+0x411/0x2000 [ 1441.438139][ T1076] inet6_addr_add+0x30e/0xa40 [ 1441.438139][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.438139][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.438139][ T1076] netlink_rcv_skb+0x130/0x360 [ 1441.438139][ T1076] netlink_unicast+0x449/0x710 [ 1441.438139][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1441.438139][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1441.438139][ T1076] ___sys_sendmsg+0xee/0x170 [ 1441.438139][ T1076] __sys_sendmsg+0xcd/0x170 [ 1441.438139][ T1076] do_syscall_64+0xc6/0x1e0 [ 1441.438139][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.438139][ T1076] [ 1441.440666][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1441.440666][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1441.440666][ T1076] ipv6_find_idev+0x102/0x170 [ 1441.440666][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.440666][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.440666][ T1076] netlink_rcv_skb+0x130/0x360 [ 1441.440666][ T1076] netlink_unicast+0x449/0x710 [ 1441.440666][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1441.440666][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1441.440666][ T1076] ___sys_sendmsg+0xee/0x170 [ 1441.440666][ T1076] __sys_sendmsg+0xcd/0x170 [ 1441.440666][ T1076] do_syscall_64+0xc6/0x1e0 [ 1441.440666][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.440666][ T1076] [ 1441.442615][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1441.442615][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1441.442615][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1441.442615][ T1076] ipv6_find_idev+0x102/0x170 [ 1441.442615][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.442615][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.442615][ T1076] netlink_rcv_skb+0x130/0x360 [ 1441.442615][ T1076] netlink_unicast+0x449/0x710 [ 1441.442615][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1441.442615][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1441.442615][ T1076] ___sys_sendmsg+0xee/0x170 [ 1441.442615][ T1076] __sys_sendmsg+0xcd/0x170 [ 1441.442615][ T1076] do_syscall_64+0xc6/0x1e0 [ 1441.442615][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.442615][ T1076] [ 1451.685755][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1451.686249][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1451.686249][ T1076] netdev_get_by_index+0x5e/0x80 [ 1451.686249][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1451.686249][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1451.686249][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1451.686249][ T1076] ipv6_add_addr+0x411/0x2000 [ 1451.686249][ T1076] inet6_addr_add+0x30e/0xa40 [ 1451.686249][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.686249][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.686249][ T1076] netlink_rcv_skb+0x130/0x360 [ 1451.686249][ T1076] netlink_unicast+0x449/0x710 [ 1451.686249][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1451.686249][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1451.686249][ T1076] ___sys_sendmsg+0xee/0x170 [ 1451.686249][ T1076] __sys_sendmsg+0xcd/0x170 [ 1451.686249][ T1076] do_syscall_64+0xc6/0x1e0 [ 1451.686249][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.686249][ T1076] [ 1451.688784][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1451.688784][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1451.688784][ T1076] ipv6_find_idev+0x102/0x170 [ 1451.688784][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1451.688784][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.688784][ T1076] netlink_rcv_skb+0x130/0x360 [ 1451.688784][ T1076] netlink_unicast+0x449/0x710 [ 1451.688784][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1451.688784][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1451.688784][ T1076] ___sys_sendmsg+0xee/0x170 [ 1451.688784][ T1076] __sys_sendmsg+0xcd/0x170 [ 1451.688784][ T1076] do_syscall_64+0xc6/0x1e0 [ 1451.688784][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.688784][ T1076] [ 1451.690725][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1451.690725][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1451.690725][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1451.690725][ T1076] ipv6_find_idev+0x102/0x170 [ 1451.690725][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1451.690725][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.690725][ T1076] netlink_rcv_skb+0x130/0x360 [ 1451.690725][ T1076] netlink_unicast+0x449/0x710 [ 1451.690725][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1451.690725][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1451.690725][ T1076] ___sys_sendmsg+0xee/0x170 [ 1451.690725][ T1076] __sys_sendmsg+0xcd/0x170 [ 1451.690725][ T1076] do_syscall_64+0xc6/0x1e0 [ 1451.690725][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.690725][ T1076] [ 1461.933698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1461.934189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1461.934189][ T1076] netdev_get_by_index+0x5e/0x80 [ 1461.934189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1461.934189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1461.934189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1461.934189][ T1076] ipv6_add_addr+0x411/0x2000 [ 1461.934189][ T1076] inet6_addr_add+0x30e/0xa40 [ 1461.934189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1461.934189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.934189][ T1076] netlink_rcv_skb+0x130/0x360 [ 1461.934189][ T1076] netlink_unicast+0x449/0x710 [ 1461.934189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1461.934189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1461.934189][ T1076] ___sys_sendmsg+0xee/0x170 [ 1461.934189][ T1076] __sys_sendmsg+0xcd/0x170 [ 1461.934189][ T1076] do_syscall_64+0xc6/0x1e0 [ 1461.934189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.934189][ T1076] [ 1461.936745][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1461.936745][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1461.936745][ T1076] ipv6_find_idev+0x102/0x170 [ 1461.936745][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1461.936745][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.936745][ T1076] netlink_rcv_skb+0x130/0x360 [ 1461.936745][ T1076] netlink_unicast+0x449/0x710 [ 1461.936745][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1461.936745][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1461.936745][ T1076] ___sys_sendmsg+0xee/0x170 [ 1461.936745][ T1076] __sys_sendmsg+0xcd/0x170 [ 1461.936745][ T1076] do_syscall_64+0xc6/0x1e0 [ 1461.936745][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.936745][ T1076] [ 1461.938699][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1461.938699][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1461.938699][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1461.938699][ T1076] ipv6_find_idev+0x102/0x170 [ 1461.938699][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1461.938699][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.938699][ T1076] netlink_rcv_skb+0x130/0x360 [ 1461.938699][ T1076] netlink_unicast+0x449/0x710 [ 1461.938699][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1461.938699][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1461.938699][ T1076] ___sys_sendmsg+0xee/0x170 [ 1461.938699][ T1076] __sys_sendmsg+0xcd/0x170 [ 1461.938699][ T1076] do_syscall_64+0xc6/0x1e0 [ 1461.938699][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.938699][ T1076] [ 1472.181701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1472.182251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1472.182251][ T1076] netdev_get_by_index+0x5e/0x80 [ 1472.182251][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1472.182251][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1472.182251][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1472.182251][ T1076] ipv6_add_addr+0x411/0x2000 [ 1472.182251][ T1076] inet6_addr_add+0x30e/0xa40 [ 1472.182251][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.182251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.182251][ T1076] netlink_rcv_skb+0x130/0x360 [ 1472.182251][ T1076] netlink_unicast+0x449/0x710 [ 1472.182251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1472.182251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1472.182251][ T1076] ___sys_sendmsg+0xee/0x170 [ 1472.182251][ T1076] __sys_sendmsg+0xcd/0x170 [ 1472.182251][ T1076] do_syscall_64+0xc6/0x1e0 [ 1472.182251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.182251][ T1076] [ 1472.184741][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1472.184741][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1472.184741][ T1076] ipv6_find_idev+0x102/0x170 [ 1472.184741][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.184741][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.184741][ T1076] netlink_rcv_skb+0x130/0x360 [ 1472.184741][ T1076] netlink_unicast+0x449/0x710 [ 1472.184741][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1472.184741][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1472.184741][ T1076] ___sys_sendmsg+0xee/0x170 [ 1472.184741][ T1076] __sys_sendmsg+0xcd/0x170 [ 1472.184741][ T1076] do_syscall_64+0xc6/0x1e0 [ 1472.184741][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.184741][ T1076] [ 1472.186666][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1472.186666][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1472.186666][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1472.186666][ T1076] ipv6_find_idev+0x102/0x170 [ 1472.186666][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.186666][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.186666][ T1076] netlink_rcv_skb+0x130/0x360 [ 1472.186666][ T1076] netlink_unicast+0x449/0x710 [ 1472.186666][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1472.186666][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1472.186666][ T1076] ___sys_sendmsg+0xee/0x170 [ 1472.186666][ T1076] __sys_sendmsg+0xcd/0x170 [ 1472.186666][ T1076] do_syscall_64+0xc6/0x1e0 [ 1472.186666][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.186666][ T1076] [ 1482.261712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1482.262198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1482.262198][ T1076] netdev_get_by_index+0x5e/0x80 [ 1482.262198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1482.262198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1482.262198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1482.262198][ T1076] ipv6_add_addr+0x411/0x2000 [ 1482.262198][ T1076] inet6_addr_add+0x30e/0xa40 [ 1482.262198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.262198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.262198][ T1076] netlink_rcv_skb+0x130/0x360 [ 1482.262198][ T1076] netlink_unicast+0x449/0x710 [ 1482.262198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1482.262198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1482.262198][ T1076] ___sys_sendmsg+0xee/0x170 [ 1482.262198][ T1076] __sys_sendmsg+0xcd/0x170 [ 1482.262198][ T1076] do_syscall_64+0xc6/0x1e0 [ 1482.262198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.262198][ T1076] [ 1482.264639][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1482.264639][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1482.264639][ T1076] ipv6_find_idev+0x102/0x170 [ 1482.264639][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.264639][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.264639][ T1076] netlink_rcv_skb+0x130/0x360 [ 1482.264639][ T1076] netlink_unicast+0x449/0x710 [ 1482.264639][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1482.264639][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1482.264639][ T1076] ___sys_sendmsg+0xee/0x170 [ 1482.264639][ T1076] __sys_sendmsg+0xcd/0x170 [ 1482.264639][ T1076] do_syscall_64+0xc6/0x1e0 [ 1482.264639][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.264639][ T1076] [ 1482.266400][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1482.266400][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1482.266400][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1482.266400][ T1076] ipv6_find_idev+0x102/0x170 [ 1482.266400][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.266400][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.266400][ T1076] netlink_rcv_skb+0x130/0x360 [ 1482.266400][ T1076] netlink_unicast+0x449/0x710 [ 1482.266400][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1482.266400][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1482.266400][ T1076] ___sys_sendmsg+0xee/0x170 [ 1482.266400][ T1076] __sys_sendmsg+0xcd/0x170 [ 1482.266400][ T1076] do_syscall_64+0xc6/0x1e0 [ 1482.266400][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.266400][ T1076] [ 1492.517712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1492.518246][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1492.518246][ T1076] netdev_get_by_index+0x5e/0x80 [ 1492.518246][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1492.518246][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1492.518246][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1492.518246][ T1076] ipv6_add_addr+0x411/0x2000 [ 1492.518246][ T1076] inet6_addr_add+0x30e/0xa40 [ 1492.518246][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.518246][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.518246][ T1076] netlink_rcv_skb+0x130/0x360 [ 1492.518246][ T1076] netlink_unicast+0x449/0x710 [ 1492.518246][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1492.518246][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1492.518246][ T1076] ___sys_sendmsg+0xee/0x170 [ 1492.518246][ T1076] __sys_sendmsg+0xcd/0x170 [ 1492.518246][ T1076] do_syscall_64+0xc6/0x1e0 [ 1492.518246][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.518246][ T1076] [ 1492.520543][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1492.520543][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1492.520543][ T1076] ipv6_find_idev+0x102/0x170 [ 1492.520543][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.520543][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.520543][ T1076] netlink_rcv_skb+0x130/0x360 [ 1492.520543][ T1076] netlink_unicast+0x449/0x710 [ 1492.520543][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1492.520543][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1492.520543][ T1076] ___sys_sendmsg+0xee/0x170 [ 1492.520543][ T1076] __sys_sendmsg+0xcd/0x170 [ 1492.520543][ T1076] do_syscall_64+0xc6/0x1e0 [ 1492.520543][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.520543][ T1076] [ 1492.522292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1492.522292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1492.522292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1492.522292][ T1076] ipv6_find_idev+0x102/0x170 [ 1492.522292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.522292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.522292][ T1076] netlink_rcv_skb+0x130/0x360 [ 1492.522292][ T1076] netlink_unicast+0x449/0x710 [ 1492.522292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1492.522292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1492.522292][ T1076] ___sys_sendmsg+0xee/0x170 [ 1492.522292][ T1076] __sys_sendmsg+0xcd/0x170 [ 1492.522292][ T1076] do_syscall_64+0xc6/0x1e0 [ 1492.522292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.522292][ T1076] [ 1502.677729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1502.678256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1502.678256][ T1076] netdev_get_by_index+0x5e/0x80 [ 1502.678256][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1502.678256][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1502.678256][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1502.678256][ T1076] ipv6_add_addr+0x411/0x2000 [ 1502.678256][ T1076] inet6_addr_add+0x30e/0xa40 [ 1502.678256][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1502.678256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.678256][ T1076] netlink_rcv_skb+0x130/0x360 [ 1502.678256][ T1076] netlink_unicast+0x449/0x710 [ 1502.678256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1502.678256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1502.678256][ T1076] ___sys_sendmsg+0xee/0x170 [ 1502.678256][ T1076] __sys_sendmsg+0xcd/0x170 [ 1502.678256][ T1076] do_syscall_64+0xc6/0x1e0 [ 1502.678256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.678256][ T1076] [ 1502.680558][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1502.680558][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1502.680558][ T1076] ipv6_find_idev+0x102/0x170 [ 1502.680558][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1502.680558][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.680558][ T1076] netlink_rcv_skb+0x130/0x360 [ 1502.680558][ T1076] netlink_unicast+0x449/0x710 [ 1502.680558][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1502.680558][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1502.680558][ T1076] ___sys_sendmsg+0xee/0x170 [ 1502.680558][ T1076] __sys_sendmsg+0xcd/0x170 [ 1502.680558][ T1076] do_syscall_64+0xc6/0x1e0 [ 1502.680558][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.680558][ T1076] [ 1502.682306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1502.682306][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1502.682306][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1502.682306][ T1076] ipv6_find_idev+0x102/0x170 [ 1502.682306][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1502.682306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.682306][ T1076] netlink_rcv_skb+0x130/0x360 [ 1502.682306][ T1076] netlink_unicast+0x449/0x710 [ 1502.682306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1502.682306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1502.682306][ T1076] ___sys_sendmsg+0xee/0x170 [ 1502.682306][ T1076] __sys_sendmsg+0xcd/0x170 [ 1502.682306][ T1076] do_syscall_64+0xc6/0x1e0 [ 1502.682306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.682306][ T1076] [ 1512.925712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1512.926241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1512.926241][ T1076] netdev_get_by_index+0x5e/0x80 [ 1512.926241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1512.926241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1512.926241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1512.926241][ T1076] ipv6_add_addr+0x411/0x2000 [ 1512.926241][ T1076] inet6_addr_add+0x30e/0xa40 [ 1512.926241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1512.926241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.926241][ T1076] netlink_rcv_skb+0x130/0x360 [ 1512.926241][ T1076] netlink_unicast+0x449/0x710 [ 1512.926241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1512.926241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1512.926241][ T1076] ___sys_sendmsg+0xee/0x170 [ 1512.926241][ T1076] __sys_sendmsg+0xcd/0x170 [ 1512.926241][ T1076] do_syscall_64+0xc6/0x1e0 [ 1512.926241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.926241][ T1076] [ 1512.928529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1512.928529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1512.928529][ T1076] ipv6_find_idev+0x102/0x170 [ 1512.928529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1512.928529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.928529][ T1076] netlink_rcv_skb+0x130/0x360 [ 1512.928529][ T1076] netlink_unicast+0x449/0x710 [ 1512.928529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1512.928529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1512.928529][ T1076] ___sys_sendmsg+0xee/0x170 [ 1512.928529][ T1076] __sys_sendmsg+0xcd/0x170 [ 1512.928529][ T1076] do_syscall_64+0xc6/0x1e0 [ 1512.928529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.928529][ T1076] [ 1512.930276][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1512.930276][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1512.930276][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1512.930276][ T1076] ipv6_find_idev+0x102/0x170 [ 1512.930276][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1512.930276][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.930276][ T1076] netlink_rcv_skb+0x130/0x360 [ 1512.930276][ T1076] netlink_unicast+0x449/0x710 [ 1512.930276][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1512.930276][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1512.930276][ T1076] ___sys_sendmsg+0xee/0x170 [ 1512.930276][ T1076] __sys_sendmsg+0xcd/0x170 [ 1512.930276][ T1076] do_syscall_64+0xc6/0x1e0 [ 1512.930276][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.930276][ T1076] [ 1523.173713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1523.174240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1523.174240][ T1076] netdev_get_by_index+0x5e/0x80 [ 1523.174240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1523.174240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1523.174240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1523.174240][ T1076] ipv6_add_addr+0x411/0x2000 [ 1523.174240][ T1076] inet6_addr_add+0x30e/0xa40 [ 1523.174240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.174240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.174240][ T1076] netlink_rcv_skb+0x130/0x360 [ 1523.174240][ T1076] netlink_unicast+0x449/0x710 [ 1523.174240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1523.174240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1523.174240][ T1076] ___sys_sendmsg+0xee/0x170 [ 1523.174240][ T1076] __sys_sendmsg+0xcd/0x170 [ 1523.174240][ T1076] do_syscall_64+0xc6/0x1e0 [ 1523.174240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.174240][ T1076] [ 1523.176539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1523.176539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1523.176539][ T1076] ipv6_find_idev+0x102/0x170 [ 1523.176539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.176539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.176539][ T1076] netlink_rcv_skb+0x130/0x360 [ 1523.176539][ T1076] netlink_unicast+0x449/0x710 [ 1523.176539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1523.176539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1523.176539][ T1076] ___sys_sendmsg+0xee/0x170 [ 1523.176539][ T1076] __sys_sendmsg+0xcd/0x170 [ 1523.176539][ T1076] do_syscall_64+0xc6/0x1e0 [ 1523.176539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.176539][ T1076] [ 1523.178288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1523.178288][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1523.178288][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1523.178288][ T1076] ipv6_find_idev+0x102/0x170 [ 1523.178288][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.178288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.178288][ T1076] netlink_rcv_skb+0x130/0x360 [ 1523.178288][ T1076] netlink_unicast+0x449/0x710 [ 1523.178288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1523.178288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1523.178288][ T1076] ___sys_sendmsg+0xee/0x170 [ 1523.178288][ T1076] __sys_sendmsg+0xcd/0x170 [ 1523.178288][ T1076] do_syscall_64+0xc6/0x1e0 [ 1523.178288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.178288][ T1076] [ 1533.421709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1533.422226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1533.422226][ T1076] netdev_get_by_index+0x5e/0x80 [ 1533.422226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1533.422226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1533.422226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1533.422226][ T1076] ipv6_add_addr+0x411/0x2000 [ 1533.422226][ T1076] inet6_addr_add+0x30e/0xa40 [ 1533.422226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1533.422226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.422226][ T1076] netlink_rcv_skb+0x130/0x360 [ 1533.422226][ T1076] netlink_unicast+0x449/0x710 [ 1533.422226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1533.422226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1533.422226][ T1076] ___sys_sendmsg+0xee/0x170 [ 1533.422226][ T1076] __sys_sendmsg+0xcd/0x170 [ 1533.422226][ T1076] do_syscall_64+0xc6/0x1e0 [ 1533.422226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.422226][ T1076] [ 1533.424484][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1533.424484][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1533.424484][ T1076] ipv6_find_idev+0x102/0x170 [ 1533.424484][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1533.424484][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.424484][ T1076] netlink_rcv_skb+0x130/0x360 [ 1533.424484][ T1076] netlink_unicast+0x449/0x710 [ 1533.424484][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1533.424484][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1533.424484][ T1076] ___sys_sendmsg+0xee/0x170 [ 1533.424484][ T1076] __sys_sendmsg+0xcd/0x170 [ 1533.424484][ T1076] do_syscall_64+0xc6/0x1e0 [ 1533.424484][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.424484][ T1076] [ 1533.426216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1533.426216][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1533.426216][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1533.426216][ T1076] ipv6_find_idev+0x102/0x170 [ 1533.426216][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1533.426216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1533.426216][ T1076] netlink_rcv_skb+0x130/0x360 [ 1533.426216][ T1076] netlink_unicast+0x449/0x710 [ 1533.426216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1533.426216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1533.426216][ T1076] ___sys_sendmsg+0xee/0x170 [ 1533.426216][ T1076] __sys_sendmsg+0xcd/0x170 [ 1533.426216][ T1076] do_syscall_64+0xc6/0x1e0 [ 1533.426216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1533.426216][ T1076] [ 1543.501783][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1543.502283][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1543.502283][ T1076] netdev_get_by_index+0x5e/0x80 [ 1543.502283][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1543.502283][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1543.502283][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1543.502283][ T1076] ipv6_add_addr+0x411/0x2000 [ 1543.502283][ T1076] inet6_addr_add+0x30e/0xa40 [ 1543.502283][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1543.502283][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1543.502283][ T1076] netlink_rcv_skb+0x130/0x360 [ 1543.502283][ T1076] netlink_unicast+0x449/0x710 [ 1543.502283][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1543.502283][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1543.502283][ T1076] ___sys_sendmsg+0xee/0x170 [ 1543.502283][ T1076] __sys_sendmsg+0xcd/0x170 [ 1543.502283][ T1076] do_syscall_64+0xc6/0x1e0 [ 1543.502283][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1543.502283][ T1076] [ 1543.504556][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1543.504556][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1543.504556][ T1076] ipv6_find_idev+0x102/0x170 [ 1543.504556][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1543.504556][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1543.504556][ T1076] netlink_rcv_skb+0x130/0x360 [ 1543.504556][ T1076] netlink_unicast+0x449/0x710 [ 1543.504556][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1543.504556][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1543.504556][ T1076] ___sys_sendmsg+0xee/0x170 [ 1543.504556][ T1076] __sys_sendmsg+0xcd/0x170 [ 1543.504556][ T1076] do_syscall_64+0xc6/0x1e0 [ 1543.504556][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1543.504556][ T1076] [ 1543.506299][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1543.506299][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1543.506299][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1543.506299][ T1076] ipv6_find_idev+0x102/0x170 [ 1543.506299][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1543.506299][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1543.506299][ T1076] netlink_rcv_skb+0x130/0x360 [ 1543.506299][ T1076] netlink_unicast+0x449/0x710 [ 1543.506299][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1543.506299][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1543.506299][ T1076] ___sys_sendmsg+0xee/0x170 [ 1543.506299][ T1076] __sys_sendmsg+0xcd/0x170 [ 1543.506299][ T1076] do_syscall_64+0xc6/0x1e0 [ 1543.506299][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1543.506299][ T1076] [ 1553.749747][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1553.750297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1553.750297][ T1076] netdev_get_by_index+0x5e/0x80 [ 1553.750297][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1553.750297][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1553.750297][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1553.750297][ T1076] ipv6_add_addr+0x411/0x2000 [ 1553.750297][ T1076] inet6_addr_add+0x30e/0xa40 [ 1553.750297][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1553.750297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.750297][ T1076] netlink_rcv_skb+0x130/0x360 [ 1553.750297][ T1076] netlink_unicast+0x449/0x710 [ 1553.750297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1553.750297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1553.750297][ T1076] ___sys_sendmsg+0xee/0x170 [ 1553.750297][ T1076] __sys_sendmsg+0xcd/0x170 [ 1553.750297][ T1076] do_syscall_64+0xc6/0x1e0 [ 1553.750297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.750297][ T1076] [ 1553.752694][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1553.752694][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1553.752694][ T1076] ipv6_find_idev+0x102/0x170 [ 1553.752694][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1553.752694][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.752694][ T1076] netlink_rcv_skb+0x130/0x360 [ 1553.752694][ T1076] netlink_unicast+0x449/0x710 [ 1553.752694][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1553.752694][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1553.752694][ T1076] ___sys_sendmsg+0xee/0x170 [ 1553.752694][ T1076] __sys_sendmsg+0xcd/0x170 [ 1553.752694][ T1076] do_syscall_64+0xc6/0x1e0 [ 1553.752694][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.752694][ T1076] [ 1553.754511][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1553.754511][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1553.754511][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1553.754511][ T1076] ipv6_find_idev+0x102/0x170 [ 1553.754511][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1553.754511][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.754511][ T1076] netlink_rcv_skb+0x130/0x360 [ 1553.754511][ T1076] netlink_unicast+0x449/0x710 [ 1553.754511][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1553.754511][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1553.754511][ T1076] ___sys_sendmsg+0xee/0x170 [ 1553.754511][ T1076] __sys_sendmsg+0xcd/0x170 [ 1553.754511][ T1076] do_syscall_64+0xc6/0x1e0 [ 1553.754511][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.754511][ T1076] [ 1563.997787][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1563.998444][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1563.998444][ T1076] netdev_get_by_index+0x5e/0x80 [ 1563.998444][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1563.998444][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1563.998444][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1563.998444][ T1076] ipv6_add_addr+0x411/0x2000 [ 1563.998444][ T1076] inet6_addr_add+0x30e/0xa40 [ 1563.998444][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1563.998444][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1563.998444][ T1076] netlink_rcv_skb+0x130/0x360 [ 1563.998444][ T1076] netlink_unicast+0x449/0x710 [ 1563.998444][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1563.998444][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1563.998444][ T1076] ___sys_sendmsg+0xee/0x170 [ 1563.998444][ T1076] __sys_sendmsg+0xcd/0x170 [ 1563.998444][ T1076] do_syscall_64+0xc6/0x1e0 [ 1563.998444][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1563.998444][ T1076] [ 1564.002120][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1564.002120][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1564.002120][ T1076] ipv6_find_idev+0x102/0x170 [ 1564.002120][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.002120][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.002120][ T1076] netlink_rcv_skb+0x130/0x360 [ 1564.002120][ T1076] netlink_unicast+0x449/0x710 [ 1564.002120][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1564.002120][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1564.002120][ T1076] ___sys_sendmsg+0xee/0x170 [ 1564.002120][ T1076] __sys_sendmsg+0xcd/0x170 [ 1564.002120][ T1076] do_syscall_64+0xc6/0x1e0 [ 1564.002120][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.002120][ T1076] [ 1564.004124][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1564.004124][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1564.004124][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1564.004124][ T1076] ipv6_find_idev+0x102/0x170 [ 1564.004124][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.004124][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.004124][ T1076] netlink_rcv_skb+0x130/0x360 [ 1564.004124][ T1076] netlink_unicast+0x449/0x710 [ 1564.004124][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1564.004124][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1564.004124][ T1076] ___sys_sendmsg+0xee/0x170 [ 1564.004124][ T1076] __sys_sendmsg+0xcd/0x170 [ 1564.004124][ T1076] do_syscall_64+0xc6/0x1e0 [ 1564.004124][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.004124][ T1076] [ 1574.045683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1574.046140][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1574.046140][ T1076] netdev_get_by_index+0x5e/0x80 [ 1574.046140][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1574.046140][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1574.046140][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1574.046140][ T1076] ipv6_add_addr+0x411/0x2000 [ 1574.046140][ T1076] inet6_addr_add+0x30e/0xa40 [ 1574.046140][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.046140][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.046140][ T1076] netlink_rcv_skb+0x130/0x360 [ 1574.046140][ T1076] netlink_unicast+0x449/0x710 [ 1574.046140][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1574.046140][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1574.046140][ T1076] ___sys_sendmsg+0xee/0x170 [ 1574.046140][ T1076] __sys_sendmsg+0xcd/0x170 [ 1574.046140][ T1076] do_syscall_64+0xc6/0x1e0 [ 1574.046140][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.046140][ T1076] [ 1574.048494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1574.048494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1574.048494][ T1076] ipv6_find_idev+0x102/0x170 [ 1574.048494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.048494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.048494][ T1076] netlink_rcv_skb+0x130/0x360 [ 1574.048494][ T1076] netlink_unicast+0x449/0x710 [ 1574.048494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1574.048494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1574.048494][ T1076] ___sys_sendmsg+0xee/0x170 [ 1574.048494][ T1076] __sys_sendmsg+0xcd/0x170 [ 1574.048494][ T1076] do_syscall_64+0xc6/0x1e0 [ 1574.048494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.048494][ T1076] [ 1574.050321][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1574.050321][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1574.050321][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1574.050321][ T1076] ipv6_find_idev+0x102/0x170 [ 1574.050321][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.050321][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.050321][ T1076] netlink_rcv_skb+0x130/0x360 [ 1574.050321][ T1076] netlink_unicast+0x449/0x710 [ 1574.050321][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1574.050321][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1574.050321][ T1076] ___sys_sendmsg+0xee/0x170 [ 1574.050321][ T1076] __sys_sendmsg+0xcd/0x170 [ 1574.050321][ T1076] do_syscall_64+0xc6/0x1e0 [ 1574.050321][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.050321][ T1076] [ 1584.117707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1584.118256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1584.118256][ T1076] netdev_get_by_index+0x5e/0x80 [ 1584.118256][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1584.118256][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1584.118256][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1584.118256][ T1076] ipv6_add_addr+0x411/0x2000 [ 1584.118256][ T1076] inet6_addr_add+0x30e/0xa40 [ 1584.118256][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1584.118256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.118256][ T1076] netlink_rcv_skb+0x130/0x360 [ 1584.118256][ T1076] netlink_unicast+0x449/0x710 [ 1584.118256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1584.118256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1584.118256][ T1076] ___sys_sendmsg+0xee/0x170 [ 1584.118256][ T1076] __sys_sendmsg+0xcd/0x170 [ 1584.118256][ T1076] do_syscall_64+0xc6/0x1e0 [ 1584.118256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.118256][ T1076] [ 1584.120618][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1584.120618][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1584.120618][ T1076] ipv6_find_idev+0x102/0x170 [ 1584.120618][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1584.120618][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.120618][ T1076] netlink_rcv_skb+0x130/0x360 [ 1584.120618][ T1076] netlink_unicast+0x449/0x710 [ 1584.120618][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1584.120618][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1584.120618][ T1076] ___sys_sendmsg+0xee/0x170 [ 1584.120618][ T1076] __sys_sendmsg+0xcd/0x170 [ 1584.120618][ T1076] do_syscall_64+0xc6/0x1e0 [ 1584.120618][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.120618][ T1076] [ 1584.122364][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1584.122364][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1584.122364][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1584.122364][ T1076] ipv6_find_idev+0x102/0x170 [ 1584.122364][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1584.122364][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1584.122364][ T1076] netlink_rcv_skb+0x130/0x360 [ 1584.122364][ T1076] netlink_unicast+0x449/0x710 [ 1584.122364][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1584.122364][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1584.122364][ T1076] ___sys_sendmsg+0xee/0x170 [ 1584.122364][ T1076] __sys_sendmsg+0xcd/0x170 [ 1584.122364][ T1076] do_syscall_64+0xc6/0x1e0 [ 1584.122364][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1584.122364][ T1076] [ 1594.365690][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1594.366178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1594.366178][ T1076] netdev_get_by_index+0x5e/0x80 [ 1594.366178][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1594.366178][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1594.366178][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1594.366178][ T1076] ipv6_add_addr+0x411/0x2000 [ 1594.366178][ T1076] inet6_addr_add+0x30e/0xa40 [ 1594.366178][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1594.366178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1594.366178][ T1076] netlink_rcv_skb+0x130/0x360 [ 1594.366178][ T1076] netlink_unicast+0x449/0x710 [ 1594.366178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1594.366178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1594.366178][ T1076] ___sys_sendmsg+0xee/0x170 [ 1594.366178][ T1076] __sys_sendmsg+0xcd/0x170 [ 1594.366178][ T1076] do_syscall_64+0xc6/0x1e0 [ 1594.366178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1594.366178][ T1076] [ 1594.368637][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1594.368637][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1594.368637][ T1076] ipv6_find_idev+0x102/0x170 [ 1594.368637][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1594.368637][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1594.368637][ T1076] netlink_rcv_skb+0x130/0x360 [ 1594.368637][ T1076] netlink_unicast+0x449/0x710 [ 1594.368637][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1594.368637][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1594.368637][ T1076] ___sys_sendmsg+0xee/0x170 [ 1594.368637][ T1076] __sys_sendmsg+0xcd/0x170 [ 1594.368637][ T1076] do_syscall_64+0xc6/0x1e0 [ 1594.368637][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1594.368637][ T1076] [ 1594.370419][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1594.370419][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1594.370419][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1594.370419][ T1076] ipv6_find_idev+0x102/0x170 [ 1594.370419][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1594.370419][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1594.370419][ T1076] netlink_rcv_skb+0x130/0x360 [ 1594.370419][ T1076] netlink_unicast+0x449/0x710 [ 1594.370419][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1594.370419][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1594.370419][ T1076] ___sys_sendmsg+0xee/0x170 [ 1594.370419][ T1076] __sys_sendmsg+0xcd/0x170 [ 1594.370419][ T1076] do_syscall_64+0xc6/0x1e0 [ 1594.370419][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1594.370419][ T1076] [ 1604.414685][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1604.415186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1604.415186][ T1076] netdev_get_by_index+0x5e/0x80 [ 1604.415186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1604.415186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1604.415186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1604.415186][ T1076] ipv6_add_addr+0x411/0x2000 [ 1604.415186][ T1076] inet6_addr_add+0x30e/0xa40 [ 1604.415186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1604.415186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.415186][ T1076] netlink_rcv_skb+0x130/0x360 [ 1604.415186][ T1076] netlink_unicast+0x449/0x710 [ 1604.415186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1604.415186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1604.415186][ T1076] ___sys_sendmsg+0xee/0x170 [ 1604.415186][ T1076] __sys_sendmsg+0xcd/0x170 [ 1604.415186][ T1076] do_syscall_64+0xc6/0x1e0 [ 1604.415186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1604.415186][ T1076] [ 1604.417584][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1604.417584][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1604.417584][ T1076] ipv6_find_idev+0x102/0x170 [ 1604.417584][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1604.417584][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.417584][ T1076] netlink_rcv_skb+0x130/0x360 [ 1604.417584][ T1076] netlink_unicast+0x449/0x710 [ 1604.417584][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1604.417584][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1604.417584][ T1076] ___sys_sendmsg+0xee/0x170 [ 1604.417584][ T1076] __sys_sendmsg+0xcd/0x170 [ 1604.417584][ T1076] do_syscall_64+0xc6/0x1e0 [ 1604.417584][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1604.417584][ T1076] [ 1604.419440][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1604.419440][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1604.419440][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1604.419440][ T1076] ipv6_find_idev+0x102/0x170 [ 1604.419440][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1604.419440][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.419440][ T1076] netlink_rcv_skb+0x130/0x360 [ 1604.419440][ T1076] netlink_unicast+0x449/0x710 [ 1604.419440][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1604.419440][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1604.419440][ T1076] ___sys_sendmsg+0xee/0x170 [ 1604.419440][ T1076] __sys_sendmsg+0xcd/0x170 [ 1604.419440][ T1076] do_syscall_64+0xc6/0x1e0 [ 1604.419440][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1604.419440][ T1076] [ 1614.661670][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1614.662307][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1614.662307][ T1076] netdev_get_by_index+0x5e/0x80 [ 1614.662307][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1614.662307][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1614.662307][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1614.662307][ T1076] ipv6_add_addr+0x411/0x2000 [ 1614.662307][ T1076] inet6_addr_add+0x30e/0xa40 [ 1614.662307][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1614.662307][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.662307][ T1076] netlink_rcv_skb+0x130/0x360 [ 1614.662307][ T1076] netlink_unicast+0x449/0x710 [ 1614.662307][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1614.662307][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1614.662307][ T1076] ___sys_sendmsg+0xee/0x170 [ 1614.662307][ T1076] __sys_sendmsg+0xcd/0x170 [ 1614.662307][ T1076] do_syscall_64+0xc6/0x1e0 [ 1614.662307][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.662307][ T1076] [ 1614.665830][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1614.665830][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1614.665830][ T1076] ipv6_find_idev+0x102/0x170 [ 1614.665830][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1614.665830][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.665830][ T1076] netlink_rcv_skb+0x130/0x360 [ 1614.665830][ T1076] netlink_unicast+0x449/0x710 [ 1614.665830][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1614.665830][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1614.665830][ T1076] ___sys_sendmsg+0xee/0x170 [ 1614.665830][ T1076] __sys_sendmsg+0xcd/0x170 [ 1614.665830][ T1076] do_syscall_64+0xc6/0x1e0 [ 1614.665830][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.665830][ T1076] [ 1614.668510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1614.668510][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1614.668510][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1614.668510][ T1076] ipv6_find_idev+0x102/0x170 [ 1614.668510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1614.668510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.668510][ T1076] netlink_rcv_skb+0x130/0x360 [ 1614.668510][ T1076] netlink_unicast+0x449/0x710 [ 1614.668510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1614.668510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1614.668510][ T1076] ___sys_sendmsg+0xee/0x170 [ 1614.668510][ T1076] __sys_sendmsg+0xcd/0x170 [ 1614.668510][ T1076] do_syscall_64+0xc6/0x1e0 [ 1614.668510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.668510][ T1076] [ 1624.909735][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1624.910273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1624.910273][ T1076] netdev_get_by_index+0x5e/0x80 [ 1624.910273][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1624.910273][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1624.910273][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1624.910273][ T1076] ipv6_add_addr+0x411/0x2000 [ 1624.910273][ T1076] inet6_addr_add+0x30e/0xa40 [ 1624.910273][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.910273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.910273][ T1076] netlink_rcv_skb+0x130/0x360 [ 1624.910273][ T1076] netlink_unicast+0x449/0x710 [ 1624.910273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1624.910273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1624.910273][ T1076] ___sys_sendmsg+0xee/0x170 [ 1624.910273][ T1076] __sys_sendmsg+0xcd/0x170 [ 1624.910273][ T1076] do_syscall_64+0xc6/0x1e0 [ 1624.910273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.910273][ T1076] [ 1624.912543][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1624.912543][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1624.912543][ T1076] ipv6_find_idev+0x102/0x170 [ 1624.912543][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.912543][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.912543][ T1076] netlink_rcv_skb+0x130/0x360 [ 1624.912543][ T1076] netlink_unicast+0x449/0x710 [ 1624.912543][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1624.912543][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1624.912543][ T1076] ___sys_sendmsg+0xee/0x170 [ 1624.912543][ T1076] __sys_sendmsg+0xcd/0x170 [ 1624.912543][ T1076] do_syscall_64+0xc6/0x1e0 [ 1624.912543][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.912543][ T1076] [ 1624.914279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1624.914279][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1624.914279][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1624.914279][ T1076] ipv6_find_idev+0x102/0x170 [ 1624.914279][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.914279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.914279][ T1076] netlink_rcv_skb+0x130/0x360 [ 1624.914279][ T1076] netlink_unicast+0x449/0x710 [ 1624.914279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1624.914279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1624.914279][ T1076] ___sys_sendmsg+0xee/0x170 [ 1624.914279][ T1076] __sys_sendmsg+0xcd/0x170 [ 1624.914279][ T1076] do_syscall_64+0xc6/0x1e0 [ 1624.914279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.914279][ T1076] [ 1635.157783][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1635.158275][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1635.158275][ T1076] netdev_get_by_index+0x5e/0x80 [ 1635.158275][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1635.158275][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1635.158275][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1635.158275][ T1076] ipv6_add_addr+0x411/0x2000 [ 1635.158275][ T1076] inet6_addr_add+0x30e/0xa40 [ 1635.158275][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1635.158275][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.158275][ T1076] netlink_rcv_skb+0x130/0x360 [ 1635.158275][ T1076] netlink_unicast+0x449/0x710 [ 1635.158275][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1635.158275][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1635.158275][ T1076] ___sys_sendmsg+0xee/0x170 [ 1635.158275][ T1076] __sys_sendmsg+0xcd/0x170 [ 1635.158275][ T1076] do_syscall_64+0xc6/0x1e0 [ 1635.158275][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.158275][ T1076] [ 1635.160635][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1635.160635][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1635.160635][ T1076] ipv6_find_idev+0x102/0x170 [ 1635.160635][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1635.160635][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.160635][ T1076] netlink_rcv_skb+0x130/0x360 [ 1635.160635][ T1076] netlink_unicast+0x449/0x710 [ 1635.160635][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1635.160635][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1635.160635][ T1076] ___sys_sendmsg+0xee/0x170 [ 1635.160635][ T1076] __sys_sendmsg+0xcd/0x170 [ 1635.160635][ T1076] do_syscall_64+0xc6/0x1e0 [ 1635.160635][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.160635][ T1076] [ 1635.162419][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1635.162419][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1635.162419][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1635.162419][ T1076] ipv6_find_idev+0x102/0x170 [ 1635.162419][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1635.162419][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1635.162419][ T1076] netlink_rcv_skb+0x130/0x360 [ 1635.162419][ T1076] netlink_unicast+0x449/0x710 [ 1635.162419][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1635.162419][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1635.162419][ T1076] ___sys_sendmsg+0xee/0x170 [ 1635.162419][ T1076] __sys_sendmsg+0xcd/0x170 [ 1635.162419][ T1076] do_syscall_64+0xc6/0x1e0 [ 1635.162419][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1635.162419][ T1076] [ 1645.405760][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1645.406262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1645.406262][ T1076] netdev_get_by_index+0x5e/0x80 [ 1645.406262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1645.406262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1645.406262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1645.406262][ T1076] ipv6_add_addr+0x411/0x2000 [ 1645.406262][ T1076] inet6_addr_add+0x30e/0xa40 [ 1645.406262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1645.406262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1645.406262][ T1076] netlink_rcv_skb+0x130/0x360 [ 1645.406262][ T1076] netlink_unicast+0x449/0x710 [ 1645.406262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1645.406262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1645.406262][ T1076] ___sys_sendmsg+0xee/0x170 [ 1645.406262][ T1076] __sys_sendmsg+0xcd/0x170 [ 1645.406262][ T1076] do_syscall_64+0xc6/0x1e0 [ 1645.406262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1645.406262][ T1076] [ 1645.408746][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1645.408746][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1645.408746][ T1076] ipv6_find_idev+0x102/0x170 [ 1645.408746][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1645.408746][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1645.408746][ T1076] netlink_rcv_skb+0x130/0x360 [ 1645.408746][ T1076] netlink_unicast+0x449/0x710 [ 1645.408746][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1645.408746][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1645.408746][ T1076] ___sys_sendmsg+0xee/0x170 [ 1645.408746][ T1076] __sys_sendmsg+0xcd/0x170 [ 1645.408746][ T1076] do_syscall_64+0xc6/0x1e0 [ 1645.408746][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1645.408746][ T1076] [ 1645.410647][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1645.410647][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1645.410647][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1645.410647][ T1076] ipv6_find_idev+0x102/0x170 [ 1645.410647][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1645.410647][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1645.410647][ T1076] netlink_rcv_skb+0x130/0x360 [ 1645.410647][ T1076] netlink_unicast+0x449/0x710 [ 1645.410647][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1645.410647][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1645.410647][ T1076] ___sys_sendmsg+0xee/0x170 [ 1645.410647][ T1076] __sys_sendmsg+0xcd/0x170 [ 1645.410647][ T1076] do_syscall_64+0xc6/0x1e0 [ 1645.410647][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1645.410647][ T1076] [ 1655.653768][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1655.654327][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1655.654327][ T1076] netdev_get_by_index+0x5e/0x80 [ 1655.654327][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1655.654327][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1655.654327][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1655.654327][ T1076] ipv6_add_addr+0x411/0x2000 [ 1655.654327][ T1076] inet6_addr_add+0x30e/0xa40 [ 1655.654327][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1655.654327][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1655.654327][ T1076] netlink_rcv_skb+0x130/0x360 [ 1655.654327][ T1076] netlink_unicast+0x449/0x710 [ 1655.654327][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1655.654327][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1655.654327][ T1076] ___sys_sendmsg+0xee/0x170 [ 1655.654327][ T1076] __sys_sendmsg+0xcd/0x170 [ 1655.654327][ T1076] do_syscall_64+0xc6/0x1e0 [ 1655.654327][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1655.654327][ T1076] [ 1655.656659][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1655.656659][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1655.656659][ T1076] ipv6_find_idev+0x102/0x170 [ 1655.656659][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1655.656659][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1655.656659][ T1076] netlink_rcv_skb+0x130/0x360 [ 1655.656659][ T1076] netlink_unicast+0x449/0x710 [ 1655.656659][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1655.656659][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1655.656659][ T1076] ___sys_sendmsg+0xee/0x170 [ 1655.656659][ T1076] __sys_sendmsg+0xcd/0x170 [ 1655.656659][ T1076] do_syscall_64+0xc6/0x1e0 [ 1655.656659][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1655.656659][ T1076] [ 1655.658421][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1655.658421][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1655.658421][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1655.658421][ T1076] ipv6_find_idev+0x102/0x170 [ 1655.658421][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1655.658421][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1655.658421][ T1076] netlink_rcv_skb+0x130/0x360 [ 1655.658421][ T1076] netlink_unicast+0x449/0x710 [ 1655.658421][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1655.658421][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1655.658421][ T1076] ___sys_sendmsg+0xee/0x170 [ 1655.658421][ T1076] __sys_sendmsg+0xcd/0x170 [ 1655.658421][ T1076] do_syscall_64+0xc6/0x1e0 [ 1655.658421][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1655.658421][ T1076] [ 1665.901749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1665.902290][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1665.902290][ T1076] netdev_get_by_index+0x5e/0x80 [ 1665.902290][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1665.902290][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1665.902290][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1665.902290][ T1076] ipv6_add_addr+0x411/0x2000 [ 1665.902290][ T1076] inet6_addr_add+0x30e/0xa40 [ 1665.902290][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1665.902290][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1665.902290][ T1076] netlink_rcv_skb+0x130/0x360 [ 1665.902290][ T1076] netlink_unicast+0x449/0x710 [ 1665.902290][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1665.902290][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1665.902290][ T1076] ___sys_sendmsg+0xee/0x170 [ 1665.902290][ T1076] __sys_sendmsg+0xcd/0x170 [ 1665.902290][ T1076] do_syscall_64+0xc6/0x1e0 [ 1665.902290][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1665.902290][ T1076] [ 1665.904589][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1665.904589][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1665.904589][ T1076] ipv6_find_idev+0x102/0x170 [ 1665.904589][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1665.904589][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1665.904589][ T1076] netlink_rcv_skb+0x130/0x360 [ 1665.904589][ T1076] netlink_unicast+0x449/0x710 [ 1665.904589][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1665.904589][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1665.904589][ T1076] ___sys_sendmsg+0xee/0x170 [ 1665.904589][ T1076] __sys_sendmsg+0xcd/0x170 [ 1665.904589][ T1076] do_syscall_64+0xc6/0x1e0 [ 1665.904589][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1665.904589][ T1076] [ 1665.906350][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1665.906350][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1665.906350][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1665.906350][ T1076] ipv6_find_idev+0x102/0x170 [ 1665.906350][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1665.906350][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1665.906350][ T1076] netlink_rcv_skb+0x130/0x360 [ 1665.906350][ T1076] netlink_unicast+0x449/0x710 [ 1665.906350][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1665.906350][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1665.906350][ T1076] ___sys_sendmsg+0xee/0x170 [ 1665.906350][ T1076] __sys_sendmsg+0xcd/0x170 [ 1665.906350][ T1076] do_syscall_64+0xc6/0x1e0 [ 1665.906350][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1665.906350][ T1076] [ 1676.149670][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1676.150192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1676.150192][ T1076] netdev_get_by_index+0x5e/0x80 [ 1676.150192][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1676.150192][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1676.150192][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1676.150192][ T1076] ipv6_add_addr+0x411/0x2000 [ 1676.150192][ T1076] inet6_addr_add+0x30e/0xa40 [ 1676.150192][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1676.150192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.150192][ T1076] netlink_rcv_skb+0x130/0x360 [ 1676.150192][ T1076] netlink_unicast+0x449/0x710 [ 1676.150192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1676.150192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1676.150192][ T1076] ___sys_sendmsg+0xee/0x170 [ 1676.150192][ T1076] __sys_sendmsg+0xcd/0x170 [ 1676.150192][ T1076] do_syscall_64+0xc6/0x1e0 [ 1676.150192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.150192][ T1076] [ 1676.152503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1676.152503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1676.152503][ T1076] ipv6_find_idev+0x102/0x170 [ 1676.152503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1676.152503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.152503][ T1076] netlink_rcv_skb+0x130/0x360 [ 1676.152503][ T1076] netlink_unicast+0x449/0x710 [ 1676.152503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1676.152503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1676.152503][ T1076] ___sys_sendmsg+0xee/0x170 [ 1676.152503][ T1076] __sys_sendmsg+0xcd/0x170 [ 1676.152503][ T1076] do_syscall_64+0xc6/0x1e0 [ 1676.152503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.152503][ T1076] [ 1676.154260][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1676.154260][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1676.154260][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1676.154260][ T1076] ipv6_find_idev+0x102/0x170 [ 1676.154260][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1676.154260][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1676.154260][ T1076] netlink_rcv_skb+0x130/0x360 [ 1676.154260][ T1076] netlink_unicast+0x449/0x710 [ 1676.154260][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1676.154260][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1676.154260][ T1076] ___sys_sendmsg+0xee/0x170 [ 1676.154260][ T1076] __sys_sendmsg+0xcd/0x170 [ 1676.154260][ T1076] do_syscall_64+0xc6/0x1e0 [ 1676.154260][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1676.154260][ T1076] [ 1686.333876][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1686.334410][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1686.334410][ T1076] netdev_get_by_index+0x5e/0x80 [ 1686.334410][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1686.334410][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1686.334410][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1686.334410][ T1076] ipv6_add_addr+0x411/0x2000 [ 1686.334410][ T1076] inet6_addr_add+0x30e/0xa40 [ 1686.334410][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1686.334410][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.334410][ T1076] netlink_rcv_skb+0x130/0x360 [ 1686.334410][ T1076] netlink_unicast+0x449/0x710 [ 1686.334410][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1686.334410][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1686.334410][ T1076] ___sys_sendmsg+0xee/0x170 [ 1686.334410][ T1076] __sys_sendmsg+0xcd/0x170 [ 1686.334410][ T1076] do_syscall_64+0xc6/0x1e0 [ 1686.334410][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.334410][ T1076] [ 1686.336712][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1686.336712][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1686.336712][ T1076] ipv6_find_idev+0x102/0x170 [ 1686.336712][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1686.336712][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.336712][ T1076] netlink_rcv_skb+0x130/0x360 [ 1686.336712][ T1076] netlink_unicast+0x449/0x710 [ 1686.336712][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1686.336712][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1686.336712][ T1076] ___sys_sendmsg+0xee/0x170 [ 1686.336712][ T1076] __sys_sendmsg+0xcd/0x170 [ 1686.336712][ T1076] do_syscall_64+0xc6/0x1e0 [ 1686.336712][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.336712][ T1076] [ 1686.338495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1686.338495][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1686.338495][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1686.338495][ T1076] ipv6_find_idev+0x102/0x170 [ 1686.338495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1686.338495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1686.338495][ T1076] netlink_rcv_skb+0x130/0x360 [ 1686.338495][ T1076] netlink_unicast+0x449/0x710 [ 1686.338495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1686.338495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1686.338495][ T1076] ___sys_sendmsg+0xee/0x170 [ 1686.338495][ T1076] __sys_sendmsg+0xcd/0x170 [ 1686.338495][ T1076] do_syscall_64+0xc6/0x1e0 [ 1686.338495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1686.338495][ T1076] [ 1696.589720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1696.590282][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1696.590282][ T1076] netdev_get_by_index+0x5e/0x80 [ 1696.590282][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1696.590282][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1696.590282][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1696.590282][ T1076] ipv6_add_addr+0x411/0x2000 [ 1696.590282][ T1076] inet6_addr_add+0x30e/0xa40 [ 1696.590282][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1696.590282][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.590282][ T1076] netlink_rcv_skb+0x130/0x360 [ 1696.590282][ T1076] netlink_unicast+0x449/0x710 [ 1696.590282][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1696.590282][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1696.590282][ T1076] ___sys_sendmsg+0xee/0x170 [ 1696.590282][ T1076] __sys_sendmsg+0xcd/0x170 [ 1696.590282][ T1076] do_syscall_64+0xc6/0x1e0 [ 1696.590282][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.590282][ T1076] [ 1696.592659][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1696.592659][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1696.592659][ T1076] ipv6_find_idev+0x102/0x170 [ 1696.592659][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1696.592659][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.592659][ T1076] netlink_rcv_skb+0x130/0x360 [ 1696.592659][ T1076] netlink_unicast+0x449/0x710 [ 1696.592659][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1696.592659][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1696.592659][ T1076] ___sys_sendmsg+0xee/0x170 [ 1696.592659][ T1076] __sys_sendmsg+0xcd/0x170 [ 1696.592659][ T1076] do_syscall_64+0xc6/0x1e0 [ 1696.592659][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.592659][ T1076] [ 1696.594476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1696.594476][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1696.594476][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1696.594476][ T1076] ipv6_find_idev+0x102/0x170 [ 1696.594476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1696.594476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1696.594476][ T1076] netlink_rcv_skb+0x130/0x360 [ 1696.594476][ T1076] netlink_unicast+0x449/0x710 [ 1696.594476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1696.594476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1696.594476][ T1076] ___sys_sendmsg+0xee/0x170 [ 1696.594476][ T1076] __sys_sendmsg+0xcd/0x170 [ 1696.594476][ T1076] do_syscall_64+0xc6/0x1e0 [ 1696.594476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1696.594476][ T1076] [ 1706.629868][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1706.630423][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1706.630423][ T1076] netdev_get_by_index+0x5e/0x80 [ 1706.630423][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1706.630423][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1706.630423][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1706.630423][ T1076] ipv6_add_addr+0x411/0x2000 [ 1706.630423][ T1076] inet6_addr_add+0x30e/0xa40 [ 1706.630423][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1706.630423][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1706.630423][ T1076] netlink_rcv_skb+0x130/0x360 [ 1706.630423][ T1076] netlink_unicast+0x449/0x710 [ 1706.630423][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1706.630423][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1706.630423][ T1076] ___sys_sendmsg+0xee/0x170 [ 1706.630423][ T1076] __sys_sendmsg+0xcd/0x170 [ 1706.630423][ T1076] do_syscall_64+0xc6/0x1e0 [ 1706.630423][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1706.630423][ T1076] [ 1706.632826][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1706.632826][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1706.632826][ T1076] ipv6_find_idev+0x102/0x170 [ 1706.632826][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1706.632826][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1706.632826][ T1076] netlink_rcv_skb+0x130/0x360 [ 1706.632826][ T1076] netlink_unicast+0x449/0x710 [ 1706.632826][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1706.632826][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1706.632826][ T1076] ___sys_sendmsg+0xee/0x170 [ 1706.632826][ T1076] __sys_sendmsg+0xcd/0x170 [ 1706.632826][ T1076] do_syscall_64+0xc6/0x1e0 [ 1706.632826][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1706.632826][ T1076] [ 1706.634641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1706.634641][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1706.634641][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1706.634641][ T1076] ipv6_find_idev+0x102/0x170 [ 1706.634641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1706.634641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1706.634641][ T1076] netlink_rcv_skb+0x130/0x360 [ 1706.634641][ T1076] netlink_unicast+0x449/0x710 [ 1706.634641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1706.634641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1706.634641][ T1076] ___sys_sendmsg+0xee/0x170 [ 1706.634641][ T1076] __sys_sendmsg+0xcd/0x170 [ 1706.634641][ T1076] do_syscall_64+0xc6/0x1e0 [ 1706.634641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1706.634641][ T1076] [ 1716.733777][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1716.734266][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1716.734266][ T1076] netdev_get_by_index+0x5e/0x80 [ 1716.734266][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1716.734266][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1716.734266][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1716.734266][ T1076] ipv6_add_addr+0x411/0x2000 [ 1716.734266][ T1076] inet6_addr_add+0x30e/0xa40 [ 1716.734266][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1716.734266][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1716.734266][ T1076] netlink_rcv_skb+0x130/0x360 [ 1716.734266][ T1076] netlink_unicast+0x449/0x710 [ 1716.734266][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1716.734266][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1716.734266][ T1076] ___sys_sendmsg+0xee/0x170 [ 1716.734266][ T1076] __sys_sendmsg+0xcd/0x170 [ 1716.734266][ T1076] do_syscall_64+0xc6/0x1e0 [ 1716.734266][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1716.734266][ T1076] [ 1716.736716][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1716.736716][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1716.736716][ T1076] ipv6_find_idev+0x102/0x170 [ 1716.736716][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1716.736716][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1716.736716][ T1076] netlink_rcv_skb+0x130/0x360 [ 1716.736716][ T1076] netlink_unicast+0x449/0x710 [ 1716.736716][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1716.736716][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1716.736716][ T1076] ___sys_sendmsg+0xee/0x170 [ 1716.736716][ T1076] __sys_sendmsg+0xcd/0x170 [ 1716.736716][ T1076] do_syscall_64+0xc6/0x1e0 [ 1716.736716][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1716.736716][ T1076] [ 1716.738540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1716.738540][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1716.738540][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1716.738540][ T1076] ipv6_find_idev+0x102/0x170 [ 1716.738540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1716.738540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1716.738540][ T1076] netlink_rcv_skb+0x130/0x360 [ 1716.738540][ T1076] netlink_unicast+0x449/0x710 [ 1716.738540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1716.738540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1716.738540][ T1076] ___sys_sendmsg+0xee/0x170 [ 1716.738540][ T1076] __sys_sendmsg+0xcd/0x170 [ 1716.738540][ T1076] do_syscall_64+0xc6/0x1e0 [ 1716.738540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1716.738540][ T1076] [ 1726.861668][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1726.862169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1726.862169][ T1076] netdev_get_by_index+0x5e/0x80 [ 1726.862169][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1726.862169][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1726.862169][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1726.862169][ T1076] ipv6_add_addr+0x411/0x2000 [ 1726.862169][ T1076] inet6_addr_add+0x30e/0xa40 [ 1726.862169][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.862169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.862169][ T1076] netlink_rcv_skb+0x130/0x360 [ 1726.862169][ T1076] netlink_unicast+0x449/0x710 [ 1726.862169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1726.862169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1726.862169][ T1076] ___sys_sendmsg+0xee/0x170 [ 1726.862169][ T1076] __sys_sendmsg+0xcd/0x170 [ 1726.862169][ T1076] do_syscall_64+0xc6/0x1e0 [ 1726.862169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.862169][ T1076] [ 1726.864678][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1726.864678][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1726.864678][ T1076] ipv6_find_idev+0x102/0x170 [ 1726.864678][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.864678][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.864678][ T1076] netlink_rcv_skb+0x130/0x360 [ 1726.864678][ T1076] netlink_unicast+0x449/0x710 [ 1726.864678][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1726.864678][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1726.864678][ T1076] ___sys_sendmsg+0xee/0x170 [ 1726.864678][ T1076] __sys_sendmsg+0xcd/0x170 [ 1726.864678][ T1076] do_syscall_64+0xc6/0x1e0 [ 1726.864678][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.864678][ T1076] [ 1726.866524][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1726.866524][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1726.866524][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1726.866524][ T1076] ipv6_find_idev+0x102/0x170 [ 1726.866524][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.866524][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.866524][ T1076] netlink_rcv_skb+0x130/0x360 [ 1726.866524][ T1076] netlink_unicast+0x449/0x710 [ 1726.866524][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1726.866524][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1726.866524][ T1076] ___sys_sendmsg+0xee/0x170 [ 1726.866524][ T1076] __sys_sendmsg+0xcd/0x170 [ 1726.866524][ T1076] do_syscall_64+0xc6/0x1e0 [ 1726.866524][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.866524][ T1076] [ 1737.117654][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1737.118155][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1737.118155][ T1076] netdev_get_by_index+0x5e/0x80 [ 1737.118155][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1737.118155][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1737.118155][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1737.118155][ T1076] ipv6_add_addr+0x411/0x2000 [ 1737.118155][ T1076] inet6_addr_add+0x30e/0xa40 [ 1737.118155][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1737.118155][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.118155][ T1076] netlink_rcv_skb+0x130/0x360 [ 1737.118155][ T1076] netlink_unicast+0x449/0x710 [ 1737.118155][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1737.118155][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1737.118155][ T1076] ___sys_sendmsg+0xee/0x170 [ 1737.118155][ T1076] __sys_sendmsg+0xcd/0x170 [ 1737.118155][ T1076] do_syscall_64+0xc6/0x1e0 [ 1737.118155][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.118155][ T1076] [ 1737.120719][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1737.120719][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1737.120719][ T1076] ipv6_find_idev+0x102/0x170 [ 1737.120719][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1737.120719][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.120719][ T1076] netlink_rcv_skb+0x130/0x360 [ 1737.120719][ T1076] netlink_unicast+0x449/0x710 [ 1737.120719][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1737.120719][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1737.120719][ T1076] ___sys_sendmsg+0xee/0x170 [ 1737.120719][ T1076] __sys_sendmsg+0xcd/0x170 [ 1737.120719][ T1076] do_syscall_64+0xc6/0x1e0 [ 1737.120719][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.120719][ T1076] [ 1737.122630][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1737.122630][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1737.122630][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1737.122630][ T1076] ipv6_find_idev+0x102/0x170 [ 1737.122630][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1737.122630][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1737.122630][ T1076] netlink_rcv_skb+0x130/0x360 [ 1737.122630][ T1076] netlink_unicast+0x449/0x710 [ 1737.122630][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1737.122630][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1737.122630][ T1076] ___sys_sendmsg+0xee/0x170 [ 1737.122630][ T1076] __sys_sendmsg+0xcd/0x170 [ 1737.122630][ T1076] do_syscall_64+0xc6/0x1e0 [ 1737.122630][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1737.122630][ T1076] [ 1747.373749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1747.374325][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1747.374325][ T1076] netdev_get_by_index+0x5e/0x80 [ 1747.374325][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1747.374325][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1747.374325][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1747.374325][ T1076] ipv6_add_addr+0x411/0x2000 [ 1747.374325][ T1076] inet6_addr_add+0x30e/0xa40 [ 1747.374325][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1747.374325][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.374325][ T1076] netlink_rcv_skb+0x130/0x360 [ 1747.374325][ T1076] netlink_unicast+0x449/0x710 [ 1747.374325][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1747.374325][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1747.374325][ T1076] ___sys_sendmsg+0xee/0x170 [ 1747.374325][ T1076] __sys_sendmsg+0xcd/0x170 [ 1747.374325][ T1076] do_syscall_64+0xc6/0x1e0 [ 1747.374325][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.374325][ T1076] [ 1747.376732][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1747.376732][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1747.376732][ T1076] ipv6_find_idev+0x102/0x170 [ 1747.376732][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1747.376732][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.376732][ T1076] netlink_rcv_skb+0x130/0x360 [ 1747.376732][ T1076] netlink_unicast+0x449/0x710 [ 1747.376732][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1747.376732][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1747.376732][ T1076] ___sys_sendmsg+0xee/0x170 [ 1747.376732][ T1076] __sys_sendmsg+0xcd/0x170 [ 1747.376732][ T1076] do_syscall_64+0xc6/0x1e0 [ 1747.376732][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.376732][ T1076] [ 1747.378556][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1747.378556][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1747.378556][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1747.378556][ T1076] ipv6_find_idev+0x102/0x170 [ 1747.378556][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1747.378556][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1747.378556][ T1076] netlink_rcv_skb+0x130/0x360 [ 1747.378556][ T1076] netlink_unicast+0x449/0x710 [ 1747.378556][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1747.378556][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1747.378556][ T1076] ___sys_sendmsg+0xee/0x170 [ 1747.378556][ T1076] __sys_sendmsg+0xcd/0x170 [ 1747.378556][ T1076] do_syscall_64+0xc6/0x1e0 [ 1747.378556][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1747.378556][ T1076] [ 1757.629705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1757.630198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1757.630198][ T1076] netdev_get_by_index+0x5e/0x80 [ 1757.630198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1757.630198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1757.630198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1757.630198][ T1076] ipv6_add_addr+0x411/0x2000 [ 1757.630198][ T1076] inet6_addr_add+0x30e/0xa40 [ 1757.630198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.630198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.630198][ T1076] netlink_rcv_skb+0x130/0x360 [ 1757.630198][ T1076] netlink_unicast+0x449/0x710 [ 1757.630198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1757.630198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1757.630198][ T1076] ___sys_sendmsg+0xee/0x170 [ 1757.630198][ T1076] __sys_sendmsg+0xcd/0x170 [ 1757.630198][ T1076] do_syscall_64+0xc6/0x1e0 [ 1757.630198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.630198][ T1076] [ 1757.632700][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1757.632700][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1757.632700][ T1076] ipv6_find_idev+0x102/0x170 [ 1757.632700][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.632700][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.632700][ T1076] netlink_rcv_skb+0x130/0x360 [ 1757.632700][ T1076] netlink_unicast+0x449/0x710 [ 1757.632700][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1757.632700][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1757.632700][ T1076] ___sys_sendmsg+0xee/0x170 [ 1757.632700][ T1076] __sys_sendmsg+0xcd/0x170 [ 1757.632700][ T1076] do_syscall_64+0xc6/0x1e0 [ 1757.632700][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.632700][ T1076] [ 1757.634461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1757.634461][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1757.634461][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1757.634461][ T1076] ipv6_find_idev+0x102/0x170 [ 1757.634461][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.634461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.634461][ T1076] netlink_rcv_skb+0x130/0x360 [ 1757.634461][ T1076] netlink_unicast+0x449/0x710 [ 1757.634461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1757.634461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1757.634461][ T1076] ___sys_sendmsg+0xee/0x170 [ 1757.634461][ T1076] __sys_sendmsg+0xcd/0x170 [ 1757.634461][ T1076] do_syscall_64+0xc6/0x1e0 [ 1757.634461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.634461][ T1076] [ 1767.821711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1767.822271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1767.822271][ T1076] netdev_get_by_index+0x5e/0x80 [ 1767.822271][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1767.822271][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1767.822271][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1767.822271][ T1076] ipv6_add_addr+0x411/0x2000 [ 1767.822271][ T1076] inet6_addr_add+0x30e/0xa40 [ 1767.822271][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.822271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.822271][ T1076] netlink_rcv_skb+0x130/0x360 [ 1767.822271][ T1076] netlink_unicast+0x449/0x710 [ 1767.822271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1767.822271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1767.822271][ T1076] ___sys_sendmsg+0xee/0x170 [ 1767.822271][ T1076] __sys_sendmsg+0xcd/0x170 [ 1767.822271][ T1076] do_syscall_64+0xc6/0x1e0 [ 1767.822271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.822271][ T1076] [ 1767.824942][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1767.824942][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1767.824942][ T1076] ipv6_find_idev+0x102/0x170 [ 1767.824942][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.824942][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.824942][ T1076] netlink_rcv_skb+0x130/0x360 [ 1767.824942][ T1076] netlink_unicast+0x449/0x710 [ 1767.824942][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1767.824942][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1767.824942][ T1076] ___sys_sendmsg+0xee/0x170 [ 1767.824942][ T1076] __sys_sendmsg+0xcd/0x170 [ 1767.824942][ T1076] do_syscall_64+0xc6/0x1e0 [ 1767.824942][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.824942][ T1076] [ 1767.827410][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1767.827410][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1767.827410][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1767.827410][ T1076] ipv6_find_idev+0x102/0x170 [ 1767.827410][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.827410][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.827410][ T1076] netlink_rcv_skb+0x130/0x360 [ 1767.827410][ T1076] netlink_unicast+0x449/0x710 [ 1767.827410][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1767.827410][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1767.827410][ T1076] ___sys_sendmsg+0xee/0x170 [ 1767.827410][ T1076] __sys_sendmsg+0xcd/0x170 [ 1767.827410][ T1076] do_syscall_64+0xc6/0x1e0 [ 1767.827410][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.827410][ T1076] [ 1777.997662][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1777.998253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1777.998253][ T1076] netdev_get_by_index+0x5e/0x80 [ 1777.998253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1777.998253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1777.998253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1777.998253][ T1076] ipv6_add_addr+0x411/0x2000 [ 1777.998253][ T1076] inet6_addr_add+0x30e/0xa40 [ 1777.998253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.998253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.998253][ T1076] netlink_rcv_skb+0x130/0x360 [ 1777.998253][ T1076] netlink_unicast+0x449/0x710 [ 1777.998253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1777.998253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1777.998253][ T1076] ___sys_sendmsg+0xee/0x170 [ 1777.998253][ T1076] __sys_sendmsg+0xcd/0x170 [ 1777.998253][ T1076] do_syscall_64+0xc6/0x1e0 [ 1777.998253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.998253][ T1076] [ 1778.000812][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1778.000812][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1778.000812][ T1076] ipv6_find_idev+0x102/0x170 [ 1778.000812][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1778.000812][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.000812][ T1076] netlink_rcv_skb+0x130/0x360 [ 1778.000812][ T1076] netlink_unicast+0x449/0x710 [ 1778.000812][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1778.000812][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1778.000812][ T1076] ___sys_sendmsg+0xee/0x170 [ 1778.000812][ T1076] __sys_sendmsg+0xcd/0x170 [ 1778.000812][ T1076] do_syscall_64+0xc6/0x1e0 [ 1778.000812][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1778.000812][ T1076] [ 1778.002739][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1778.002739][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1778.002739][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1778.002739][ T1076] ipv6_find_idev+0x102/0x170 [ 1778.002739][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1778.002739][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1778.002739][ T1076] netlink_rcv_skb+0x130/0x360 [ 1778.002739][ T1076] netlink_unicast+0x449/0x710 [ 1778.002739][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1778.002739][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1778.002739][ T1076] ___sys_sendmsg+0xee/0x170 [ 1778.002739][ T1076] __sys_sendmsg+0xcd/0x170 [ 1778.002739][ T1076] do_syscall_64+0xc6/0x1e0 [ 1778.002739][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1778.002739][ T1076] [ 1788.133644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1788.134242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1788.134242][ T1076] netdev_get_by_index+0x5e/0x80 [ 1788.134242][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1788.134242][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1788.134242][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1788.134242][ T1076] ipv6_add_addr+0x411/0x2000 [ 1788.134242][ T1076] inet6_addr_add+0x30e/0xa40 [ 1788.134242][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1788.134242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.134242][ T1076] netlink_rcv_skb+0x130/0x360 [ 1788.134242][ T1076] netlink_unicast+0x449/0x710 [ 1788.134242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1788.134242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1788.134242][ T1076] ___sys_sendmsg+0xee/0x170 [ 1788.134242][ T1076] __sys_sendmsg+0xcd/0x170 [ 1788.134242][ T1076] do_syscall_64+0xc6/0x1e0 [ 1788.134242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.134242][ T1076] [ 1788.136609][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1788.136609][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1788.136609][ T1076] ipv6_find_idev+0x102/0x170 [ 1788.136609][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1788.136609][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.136609][ T1076] netlink_rcv_skb+0x130/0x360 [ 1788.136609][ T1076] netlink_unicast+0x449/0x710 [ 1788.136609][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1788.136609][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1788.136609][ T1076] ___sys_sendmsg+0xee/0x170 [ 1788.136609][ T1076] __sys_sendmsg+0xcd/0x170 [ 1788.136609][ T1076] do_syscall_64+0xc6/0x1e0 [ 1788.136609][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.136609][ T1076] [ 1788.138423][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1788.138423][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1788.138423][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1788.138423][ T1076] ipv6_find_idev+0x102/0x170 [ 1788.138423][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1788.138423][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1788.138423][ T1076] netlink_rcv_skb+0x130/0x360 [ 1788.138423][ T1076] netlink_unicast+0x449/0x710 [ 1788.138423][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1788.138423][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1788.138423][ T1076] ___sys_sendmsg+0xee/0x170 [ 1788.138423][ T1076] __sys_sendmsg+0xcd/0x170 [ 1788.138423][ T1076] do_syscall_64+0xc6/0x1e0 [ 1788.138423][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1788.138423][ T1076] [ 1798.381675][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1798.382189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1798.382189][ T1076] netdev_get_by_index+0x5e/0x80 [ 1798.382189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1798.382189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1798.382189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1798.382189][ T1076] ipv6_add_addr+0x411/0x2000 [ 1798.382189][ T1076] inet6_addr_add+0x30e/0xa40 [ 1798.382189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.382189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.382189][ T1076] netlink_rcv_skb+0x130/0x360 [ 1798.382189][ T1076] netlink_unicast+0x449/0x710 [ 1798.382189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1798.382189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1798.382189][ T1076] ___sys_sendmsg+0xee/0x170 [ 1798.382189][ T1076] __sys_sendmsg+0xcd/0x170 [ 1798.382189][ T1076] do_syscall_64+0xc6/0x1e0 [ 1798.382189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.382189][ T1076] [ 1798.384582][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1798.384582][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1798.384582][ T1076] ipv6_find_idev+0x102/0x170 [ 1798.384582][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.384582][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.384582][ T1076] netlink_rcv_skb+0x130/0x360 [ 1798.384582][ T1076] netlink_unicast+0x449/0x710 [ 1798.384582][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1798.384582][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1798.384582][ T1076] ___sys_sendmsg+0xee/0x170 [ 1798.384582][ T1076] __sys_sendmsg+0xcd/0x170 [ 1798.384582][ T1076] do_syscall_64+0xc6/0x1e0 [ 1798.384582][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.384582][ T1076] [ 1798.386390][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1798.386390][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1798.386390][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1798.386390][ T1076] ipv6_find_idev+0x102/0x170 [ 1798.386390][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.386390][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.386390][ T1076] netlink_rcv_skb+0x130/0x360 [ 1798.386390][ T1076] netlink_unicast+0x449/0x710 [ 1798.386390][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1798.386390][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1798.386390][ T1076] ___sys_sendmsg+0xee/0x170 [ 1798.386390][ T1076] __sys_sendmsg+0xcd/0x170 [ 1798.386390][ T1076] do_syscall_64+0xc6/0x1e0 [ 1798.386390][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.386390][ T1076] [ 1808.629662][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1808.630213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1808.630213][ T1076] netdev_get_by_index+0x5e/0x80 [ 1808.630213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1808.630213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1808.630213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1808.630213][ T1076] ipv6_add_addr+0x411/0x2000 [ 1808.630213][ T1076] inet6_addr_add+0x30e/0xa40 [ 1808.630213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.630213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.630213][ T1076] netlink_rcv_skb+0x130/0x360 [ 1808.630213][ T1076] netlink_unicast+0x449/0x710 [ 1808.630213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1808.630213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1808.630213][ T1076] ___sys_sendmsg+0xee/0x170 [ 1808.630213][ T1076] __sys_sendmsg+0xcd/0x170 [ 1808.630213][ T1076] do_syscall_64+0xc6/0x1e0 [ 1808.630213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.630213][ T1076] [ 1808.632516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1808.632516][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1808.632516][ T1076] ipv6_find_idev+0x102/0x170 [ 1808.632516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.632516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.632516][ T1076] netlink_rcv_skb+0x130/0x360 [ 1808.632516][ T1076] netlink_unicast+0x449/0x710 [ 1808.632516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1808.632516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1808.632516][ T1076] ___sys_sendmsg+0xee/0x170 [ 1808.632516][ T1076] __sys_sendmsg+0xcd/0x170 [ 1808.632516][ T1076] do_syscall_64+0xc6/0x1e0 [ 1808.632516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.632516][ T1076] [ 1808.634318][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1808.634318][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1808.634318][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1808.634318][ T1076] ipv6_find_idev+0x102/0x170 [ 1808.634318][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.634318][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.634318][ T1076] netlink_rcv_skb+0x130/0x360 [ 1808.634318][ T1076] netlink_unicast+0x449/0x710 [ 1808.634318][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1808.634318][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1808.634318][ T1076] ___sys_sendmsg+0xee/0x170 [ 1808.634318][ T1076] __sys_sendmsg+0xcd/0x170 [ 1808.634318][ T1076] do_syscall_64+0xc6/0x1e0 [ 1808.634318][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.634318][ T1076] [ 1818.877671][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1818.878176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1818.878176][ T1076] netdev_get_by_index+0x5e/0x80 [ 1818.878176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1818.878176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1818.878176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1818.878176][ T1076] ipv6_add_addr+0x411/0x2000 [ 1818.878176][ T1076] inet6_addr_add+0x30e/0xa40 [ 1818.878176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.878176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.878176][ T1076] netlink_rcv_skb+0x130/0x360 [ 1818.878176][ T1076] netlink_unicast+0x449/0x710 [ 1818.878176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1818.878176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1818.878176][ T1076] ___sys_sendmsg+0xee/0x170 [ 1818.878176][ T1076] __sys_sendmsg+0xcd/0x170 [ 1818.878176][ T1076] do_syscall_64+0xc6/0x1e0 [ 1818.878176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.878176][ T1076] [ 1818.880636][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1818.880636][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1818.880636][ T1076] ipv6_find_idev+0x102/0x170 [ 1818.880636][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.880636][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.880636][ T1076] netlink_rcv_skb+0x130/0x360 [ 1818.880636][ T1076] netlink_unicast+0x449/0x710 [ 1818.880636][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1818.880636][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1818.880636][ T1076] ___sys_sendmsg+0xee/0x170 [ 1818.880636][ T1076] __sys_sendmsg+0xcd/0x170 [ 1818.880636][ T1076] do_syscall_64+0xc6/0x1e0 [ 1818.880636][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.880636][ T1076] [ 1818.882495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1818.882495][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1818.882495][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1818.882495][ T1076] ipv6_find_idev+0x102/0x170 [ 1818.882495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.882495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.882495][ T1076] netlink_rcv_skb+0x130/0x360 [ 1818.882495][ T1076] netlink_unicast+0x449/0x710 [ 1818.882495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1818.882495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1818.882495][ T1076] ___sys_sendmsg+0xee/0x170 [ 1818.882495][ T1076] __sys_sendmsg+0xcd/0x170 [ 1818.882495][ T1076] do_syscall_64+0xc6/0x1e0 [ 1818.882495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.882495][ T1076] [ 1829.125719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1829.126264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1829.126264][ T1076] netdev_get_by_index+0x5e/0x80 [ 1829.126264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1829.126264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1829.126264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1829.126264][ T1076] ipv6_add_addr+0x411/0x2000 [ 1829.126264][ T1076] inet6_addr_add+0x30e/0xa40 [ 1829.126264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1829.126264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.126264][ T1076] netlink_rcv_skb+0x130/0x360 [ 1829.126264][ T1076] netlink_unicast+0x449/0x710 [ 1829.126264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1829.126264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1829.126264][ T1076] ___sys_sendmsg+0xee/0x170 [ 1829.126264][ T1076] __sys_sendmsg+0xcd/0x170 [ 1829.126264][ T1076] do_syscall_64+0xc6/0x1e0 [ 1829.126264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.126264][ T1076] [ 1829.128586][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1829.128586][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1829.128586][ T1076] ipv6_find_idev+0x102/0x170 [ 1829.128586][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1829.128586][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.128586][ T1076] netlink_rcv_skb+0x130/0x360 [ 1829.128586][ T1076] netlink_unicast+0x449/0x710 [ 1829.128586][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1829.128586][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1829.128586][ T1076] ___sys_sendmsg+0xee/0x170 [ 1829.128586][ T1076] __sys_sendmsg+0xcd/0x170 [ 1829.128586][ T1076] do_syscall_64+0xc6/0x1e0 [ 1829.128586][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.128586][ T1076] [ 1829.130366][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1829.130366][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1829.130366][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1829.130366][ T1076] ipv6_find_idev+0x102/0x170 [ 1829.130366][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1829.130366][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1829.130366][ T1076] netlink_rcv_skb+0x130/0x360 [ 1829.130366][ T1076] netlink_unicast+0x449/0x710 [ 1829.130366][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1829.130366][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1829.130366][ T1076] ___sys_sendmsg+0xee/0x170 [ 1829.130366][ T1076] __sys_sendmsg+0xcd/0x170 [ 1829.130366][ T1076] do_syscall_64+0xc6/0x1e0 [ 1829.130366][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1829.130366][ T1076] [ 1839.373651][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1839.374150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1839.374150][ T1076] netdev_get_by_index+0x5e/0x80 [ 1839.374150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1839.374150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1839.374150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1839.374150][ T1076] ipv6_add_addr+0x411/0x2000 [ 1839.374150][ T1076] inet6_addr_add+0x30e/0xa40 [ 1839.374150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.374150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.374150][ T1076] netlink_rcv_skb+0x130/0x360 [ 1839.374150][ T1076] netlink_unicast+0x449/0x710 [ 1839.374150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1839.374150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1839.374150][ T1076] ___sys_sendmsg+0xee/0x170 [ 1839.374150][ T1076] __sys_sendmsg+0xcd/0x170 [ 1839.374150][ T1076] do_syscall_64+0xc6/0x1e0 [ 1839.374150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.374150][ T1076] [ 1839.376475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1839.376475][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1839.376475][ T1076] ipv6_find_idev+0x102/0x170 [ 1839.376475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.376475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.376475][ T1076] netlink_rcv_skb+0x130/0x360 [ 1839.376475][ T1076] netlink_unicast+0x449/0x710 [ 1839.376475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1839.376475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1839.376475][ T1076] ___sys_sendmsg+0xee/0x170 [ 1839.376475][ T1076] __sys_sendmsg+0xcd/0x170 [ 1839.376475][ T1076] do_syscall_64+0xc6/0x1e0 [ 1839.376475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.376475][ T1076] [ 1839.378242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1839.378242][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1839.378242][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1839.378242][ T1076] ipv6_find_idev+0x102/0x170 [ 1839.378242][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.378242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.378242][ T1076] netlink_rcv_skb+0x130/0x360 [ 1839.378242][ T1076] netlink_unicast+0x449/0x710 [ 1839.378242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1839.378242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1839.378242][ T1076] ___sys_sendmsg+0xee/0x170 [ 1839.378242][ T1076] __sys_sendmsg+0xcd/0x170 [ 1839.378242][ T1076] do_syscall_64+0xc6/0x1e0 [ 1839.378242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.378242][ T1076] [ 1849.533725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1849.534283][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1849.534283][ T1076] netdev_get_by_index+0x5e/0x80 [ 1849.534283][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1849.534283][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1849.534283][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1849.534283][ T1076] ipv6_add_addr+0x411/0x2000 [ 1849.534283][ T1076] inet6_addr_add+0x30e/0xa40 [ 1849.534283][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.534283][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.534283][ T1076] netlink_rcv_skb+0x130/0x360 [ 1849.534283][ T1076] netlink_unicast+0x449/0x710 [ 1849.534283][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1849.534283][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1849.534283][ T1076] ___sys_sendmsg+0xee/0x170 [ 1849.534283][ T1076] __sys_sendmsg+0xcd/0x170 [ 1849.534283][ T1076] do_syscall_64+0xc6/0x1e0 [ 1849.534283][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.534283][ T1076] [ 1849.536575][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1849.536575][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1849.536575][ T1076] ipv6_find_idev+0x102/0x170 [ 1849.536575][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.536575][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.536575][ T1076] netlink_rcv_skb+0x130/0x360 [ 1849.536575][ T1076] netlink_unicast+0x449/0x710 [ 1849.536575][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1849.536575][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1849.536575][ T1076] ___sys_sendmsg+0xee/0x170 [ 1849.536575][ T1076] __sys_sendmsg+0xcd/0x170 [ 1849.536575][ T1076] do_syscall_64+0xc6/0x1e0 [ 1849.536575][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.536575][ T1076] [ 1849.538346][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1849.538346][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1849.538346][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1849.538346][ T1076] ipv6_find_idev+0x102/0x170 [ 1849.538346][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.538346][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.538346][ T1076] netlink_rcv_skb+0x130/0x360 [ 1849.538346][ T1076] netlink_unicast+0x449/0x710 [ 1849.538346][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1849.538346][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1849.538346][ T1076] ___sys_sendmsg+0xee/0x170 [ 1849.538346][ T1076] __sys_sendmsg+0xcd/0x170 [ 1849.538346][ T1076] do_syscall_64+0xc6/0x1e0 [ 1849.538346][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.538346][ T1076] [ 1859.789785][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1859.790465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1859.790465][ T1076] netdev_get_by_index+0x5e/0x80 [ 1859.790465][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1859.790465][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1859.790465][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1859.790465][ T1076] ipv6_add_addr+0x411/0x2000 [ 1859.790465][ T1076] inet6_addr_add+0x30e/0xa40 [ 1859.790465][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.790465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.790465][ T1076] netlink_rcv_skb+0x130/0x360 [ 1859.790465][ T1076] netlink_unicast+0x449/0x710 [ 1859.790465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1859.790465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1859.790465][ T1076] ___sys_sendmsg+0xee/0x170 [ 1859.790465][ T1076] __sys_sendmsg+0xcd/0x170 [ 1859.790465][ T1076] do_syscall_64+0xc6/0x1e0 [ 1859.790465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.790465][ T1076] [ 1859.793411][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1859.793411][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1859.793411][ T1076] ipv6_find_idev+0x102/0x170 [ 1859.793411][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.793411][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.793411][ T1076] netlink_rcv_skb+0x130/0x360 [ 1859.793411][ T1076] netlink_unicast+0x449/0x710 [ 1859.793411][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1859.793411][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1859.793411][ T1076] ___sys_sendmsg+0xee/0x170 [ 1859.793411][ T1076] __sys_sendmsg+0xcd/0x170 [ 1859.793411][ T1076] do_syscall_64+0xc6/0x1e0 [ 1859.793411][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.793411][ T1076] [ 1859.795552][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1859.795552][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1859.795552][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1859.795552][ T1076] ipv6_find_idev+0x102/0x170 [ 1859.795552][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.795552][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.795552][ T1076] netlink_rcv_skb+0x130/0x360 [ 1859.795552][ T1076] netlink_unicast+0x449/0x710 [ 1859.795552][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1859.795552][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1859.795552][ T1076] ___sys_sendmsg+0xee/0x170 [ 1859.795552][ T1076] __sys_sendmsg+0xcd/0x170 [ 1859.795552][ T1076] do_syscall_64+0xc6/0x1e0 [ 1859.795552][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.795552][ T1076] [ 1869.893657][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1869.894134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1869.894134][ T1076] netdev_get_by_index+0x5e/0x80 [ 1869.894134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1869.894134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1869.894134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1869.894134][ T1076] ipv6_add_addr+0x411/0x2000 [ 1869.894134][ T1076] inet6_addr_add+0x30e/0xa40 [ 1869.894134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.894134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.894134][ T1076] netlink_rcv_skb+0x130/0x360 [ 1869.894134][ T1076] netlink_unicast+0x449/0x710 [ 1869.894134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1869.894134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1869.894134][ T1076] ___sys_sendmsg+0xee/0x170 [ 1869.894134][ T1076] __sys_sendmsg+0xcd/0x170 [ 1869.894134][ T1076] do_syscall_64+0xc6/0x1e0 [ 1869.894134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.894134][ T1076] [ 1869.896442][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1869.896442][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1869.896442][ T1076] ipv6_find_idev+0x102/0x170 [ 1869.896442][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.896442][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.896442][ T1076] netlink_rcv_skb+0x130/0x360 [ 1869.896442][ T1076] netlink_unicast+0x449/0x710 [ 1869.896442][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1869.896442][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1869.896442][ T1076] ___sys_sendmsg+0xee/0x170 [ 1869.896442][ T1076] __sys_sendmsg+0xcd/0x170 [ 1869.896442][ T1076] do_syscall_64+0xc6/0x1e0 [ 1869.896442][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.896442][ T1076] [ 1869.898195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1869.898195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1869.898195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1869.898195][ T1076] ipv6_find_idev+0x102/0x170 [ 1869.898195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.898195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.898195][ T1076] netlink_rcv_skb+0x130/0x360 [ 1869.898195][ T1076] netlink_unicast+0x449/0x710 [ 1869.898195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1869.898195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1869.898195][ T1076] ___sys_sendmsg+0xee/0x170 [ 1869.898195][ T1076] __sys_sendmsg+0xcd/0x170 [ 1869.898195][ T1076] do_syscall_64+0xc6/0x1e0 [ 1869.898195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.898195][ T1076] [ 1879.949643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1879.950179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1879.950179][ T1076] netdev_get_by_index+0x5e/0x80 [ 1879.950179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1879.950179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1879.950179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1879.950179][ T1076] ipv6_add_addr+0x411/0x2000 [ 1879.950179][ T1076] inet6_addr_add+0x30e/0xa40 [ 1879.950179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.950179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.950179][ T1076] netlink_rcv_skb+0x130/0x360 [ 1879.950179][ T1076] netlink_unicast+0x449/0x710 [ 1879.950179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1879.950179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1879.950179][ T1076] ___sys_sendmsg+0xee/0x170 [ 1879.950179][ T1076] __sys_sendmsg+0xcd/0x170 [ 1879.950179][ T1076] do_syscall_64+0xc6/0x1e0 [ 1879.950179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.950179][ T1076] [ 1879.952448][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1879.952448][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1879.952448][ T1076] ipv6_find_idev+0x102/0x170 [ 1879.952448][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.952448][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.952448][ T1076] netlink_rcv_skb+0x130/0x360 [ 1879.952448][ T1076] netlink_unicast+0x449/0x710 [ 1879.952448][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1879.952448][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1879.952448][ T1076] ___sys_sendmsg+0xee/0x170 [ 1879.952448][ T1076] __sys_sendmsg+0xcd/0x170 [ 1879.952448][ T1076] do_syscall_64+0xc6/0x1e0 [ 1879.952448][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.952448][ T1076] [ 1879.954219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1879.954219][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1879.954219][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1879.954219][ T1076] ipv6_find_idev+0x102/0x170 [ 1879.954219][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.954219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.954219][ T1076] netlink_rcv_skb+0x130/0x360 [ 1879.954219][ T1076] netlink_unicast+0x449/0x710 [ 1879.954219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1879.954219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1879.954219][ T1076] ___sys_sendmsg+0xee/0x170 [ 1879.954219][ T1076] __sys_sendmsg+0xcd/0x170 [ 1879.954219][ T1076] do_syscall_64+0xc6/0x1e0 [ 1879.954219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.954219][ T1076] [ 1890.093685][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1890.094144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1890.094144][ T1076] netdev_get_by_index+0x5e/0x80 [ 1890.094144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1890.094144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1890.094144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1890.094144][ T1076] ipv6_add_addr+0x411/0x2000 [ 1890.094144][ T1076] inet6_addr_add+0x30e/0xa40 [ 1890.094144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.094144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.094144][ T1076] netlink_rcv_skb+0x130/0x360 [ 1890.094144][ T1076] netlink_unicast+0x449/0x710 [ 1890.094144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1890.094144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1890.094144][ T1076] ___sys_sendmsg+0xee/0x170 [ 1890.094144][ T1076] __sys_sendmsg+0xcd/0x170 [ 1890.094144][ T1076] do_syscall_64+0xc6/0x1e0 [ 1890.094144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.094144][ T1076] [ 1890.096443][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1890.096443][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1890.096443][ T1076] ipv6_find_idev+0x102/0x170 [ 1890.096443][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.096443][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.096443][ T1076] netlink_rcv_skb+0x130/0x360 [ 1890.096443][ T1076] netlink_unicast+0x449/0x710 [ 1890.096443][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1890.096443][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1890.096443][ T1076] ___sys_sendmsg+0xee/0x170 [ 1890.096443][ T1076] __sys_sendmsg+0xcd/0x170 [ 1890.096443][ T1076] do_syscall_64+0xc6/0x1e0 [ 1890.096443][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.096443][ T1076] [ 1890.098219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1890.098219][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1890.098219][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1890.098219][ T1076] ipv6_find_idev+0x102/0x170 [ 1890.098219][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.098219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.098219][ T1076] netlink_rcv_skb+0x130/0x360 [ 1890.098219][ T1076] netlink_unicast+0x449/0x710 [ 1890.098219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1890.098219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1890.098219][ T1076] ___sys_sendmsg+0xee/0x170 [ 1890.098219][ T1076] __sys_sendmsg+0xcd/0x170 [ 1890.098219][ T1076] do_syscall_64+0xc6/0x1e0 [ 1890.098219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.098219][ T1076] [ 1900.341756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1900.342244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1900.342244][ T1076] netdev_get_by_index+0x5e/0x80 [ 1900.342244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1900.342244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1900.342244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1900.342244][ T1076] ipv6_add_addr+0x411/0x2000 [ 1900.342244][ T1076] inet6_addr_add+0x30e/0xa40 [ 1900.342244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.342244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.342244][ T1076] netlink_rcv_skb+0x130/0x360 [ 1900.342244][ T1076] netlink_unicast+0x449/0x710 [ 1900.342244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1900.342244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1900.342244][ T1076] ___sys_sendmsg+0xee/0x170 [ 1900.342244][ T1076] __sys_sendmsg+0xcd/0x170 [ 1900.342244][ T1076] do_syscall_64+0xc6/0x1e0 [ 1900.342244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.342244][ T1076] [ 1900.344567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1900.344567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1900.344567][ T1076] ipv6_find_idev+0x102/0x170 [ 1900.344567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.344567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.344567][ T1076] netlink_rcv_skb+0x130/0x360 [ 1900.344567][ T1076] netlink_unicast+0x449/0x710 [ 1900.344567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1900.344567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1900.344567][ T1076] ___sys_sendmsg+0xee/0x170 [ 1900.344567][ T1076] __sys_sendmsg+0xcd/0x170 [ 1900.344567][ T1076] do_syscall_64+0xc6/0x1e0 [ 1900.344567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.344567][ T1076] [ 1900.346341][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1900.346341][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1900.346341][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1900.346341][ T1076] ipv6_find_idev+0x102/0x170 [ 1900.346341][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.346341][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.346341][ T1076] netlink_rcv_skb+0x130/0x360 [ 1900.346341][ T1076] netlink_unicast+0x449/0x710 [ 1900.346341][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1900.346341][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1900.346341][ T1076] ___sys_sendmsg+0xee/0x170 [ 1900.346341][ T1076] __sys_sendmsg+0xcd/0x170 [ 1900.346341][ T1076] do_syscall_64+0xc6/0x1e0 [ 1900.346341][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.346341][ T1076] [ 1910.589720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1910.590195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1910.590195][ T1076] netdev_get_by_index+0x5e/0x80 [ 1910.590195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1910.590195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1910.590195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1910.590195][ T1076] ipv6_add_addr+0x411/0x2000 [ 1910.590195][ T1076] inet6_addr_add+0x30e/0xa40 [ 1910.590195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.590195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.590195][ T1076] netlink_rcv_skb+0x130/0x360 [ 1910.590195][ T1076] netlink_unicast+0x449/0x710 [ 1910.590195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1910.590195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1910.590195][ T1076] ___sys_sendmsg+0xee/0x170 [ 1910.590195][ T1076] __sys_sendmsg+0xcd/0x170 [ 1910.590195][ T1076] do_syscall_64+0xc6/0x1e0 [ 1910.590195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.590195][ T1076] [ 1910.592681][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1910.592681][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1910.592681][ T1076] ipv6_find_idev+0x102/0x170 [ 1910.592681][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.592681][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.592681][ T1076] netlink_rcv_skb+0x130/0x360 [ 1910.592681][ T1076] netlink_unicast+0x449/0x710 [ 1910.592681][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1910.592681][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1910.592681][ T1076] ___sys_sendmsg+0xee/0x170 [ 1910.592681][ T1076] __sys_sendmsg+0xcd/0x170 [ 1910.592681][ T1076] do_syscall_64+0xc6/0x1e0 [ 1910.592681][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.592681][ T1076] [ 1910.594438][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1910.594438][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1910.594438][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1910.594438][ T1076] ipv6_find_idev+0x102/0x170 [ 1910.594438][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.594438][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.594438][ T1076] netlink_rcv_skb+0x130/0x360 [ 1910.594438][ T1076] netlink_unicast+0x449/0x710 [ 1910.594438][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1910.594438][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1910.594438][ T1076] ___sys_sendmsg+0xee/0x170 [ 1910.594438][ T1076] __sys_sendmsg+0xcd/0x170 [ 1910.594438][ T1076] do_syscall_64+0xc6/0x1e0 [ 1910.594438][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.594438][ T1076] [ 1920.781715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1920.782179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1920.782179][ T1076] netdev_get_by_index+0x5e/0x80 [ 1920.782179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1920.782179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1920.782179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1920.782179][ T1076] ipv6_add_addr+0x411/0x2000 [ 1920.782179][ T1076] inet6_addr_add+0x30e/0xa40 [ 1920.782179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.782179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.782179][ T1076] netlink_rcv_skb+0x130/0x360 [ 1920.782179][ T1076] netlink_unicast+0x449/0x710 [ 1920.782179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1920.782179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1920.782179][ T1076] ___sys_sendmsg+0xee/0x170 [ 1920.782179][ T1076] __sys_sendmsg+0xcd/0x170 [ 1920.782179][ T1076] do_syscall_64+0xc6/0x1e0 [ 1920.782179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.782179][ T1076] [ 1920.784499][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1920.784499][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1920.784499][ T1076] ipv6_find_idev+0x102/0x170 [ 1920.784499][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.784499][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.784499][ T1076] netlink_rcv_skb+0x130/0x360 [ 1920.784499][ T1076] netlink_unicast+0x449/0x710 [ 1920.784499][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1920.784499][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1920.784499][ T1076] ___sys_sendmsg+0xee/0x170 [ 1920.784499][ T1076] __sys_sendmsg+0xcd/0x170 [ 1920.784499][ T1076] do_syscall_64+0xc6/0x1e0 [ 1920.784499][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.784499][ T1076] [ 1920.786248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1920.786248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1920.786248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1920.786248][ T1076] ipv6_find_idev+0x102/0x170 [ 1920.786248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.786248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.786248][ T1076] netlink_rcv_skb+0x130/0x360 [ 1920.786248][ T1076] netlink_unicast+0x449/0x710 [ 1920.786248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1920.786248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1920.786248][ T1076] ___sys_sendmsg+0xee/0x170 [ 1920.786248][ T1076] __sys_sendmsg+0xcd/0x170 [ 1920.786248][ T1076] do_syscall_64+0xc6/0x1e0 [ 1920.786248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.786248][ T1076] [ 1930.845667][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1930.846121][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1930.846121][ T1076] netdev_get_by_index+0x5e/0x80 [ 1930.846121][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1930.846121][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1930.846121][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1930.846121][ T1076] ipv6_add_addr+0x411/0x2000 [ 1930.846121][ T1076] inet6_addr_add+0x30e/0xa40 [ 1930.846121][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.846121][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.846121][ T1076] netlink_rcv_skb+0x130/0x360 [ 1930.846121][ T1076] netlink_unicast+0x449/0x710 [ 1930.846121][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1930.846121][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1930.846121][ T1076] ___sys_sendmsg+0xee/0x170 [ 1930.846121][ T1076] __sys_sendmsg+0xcd/0x170 [ 1930.846121][ T1076] do_syscall_64+0xc6/0x1e0 [ 1930.846121][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.846121][ T1076] [ 1930.848398][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1930.848398][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1930.848398][ T1076] ipv6_find_idev+0x102/0x170 [ 1930.848398][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.848398][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.848398][ T1076] netlink_rcv_skb+0x130/0x360 [ 1930.848398][ T1076] netlink_unicast+0x449/0x710 [ 1930.848398][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1930.848398][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1930.848398][ T1076] ___sys_sendmsg+0xee/0x170 [ 1930.848398][ T1076] __sys_sendmsg+0xcd/0x170 [ 1930.848398][ T1076] do_syscall_64+0xc6/0x1e0 [ 1930.848398][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.848398][ T1076] [ 1930.850131][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1930.850131][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1930.850131][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1930.850131][ T1076] ipv6_find_idev+0x102/0x170 [ 1930.850131][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.850131][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.850131][ T1076] netlink_rcv_skb+0x130/0x360 [ 1930.850131][ T1076] netlink_unicast+0x449/0x710 [ 1930.850131][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1930.850131][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1930.850131][ T1076] ___sys_sendmsg+0xee/0x170 [ 1930.850131][ T1076] __sys_sendmsg+0xcd/0x170 [ 1930.850131][ T1076] do_syscall_64+0xc6/0x1e0 [ 1930.850131][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.850131][ T1076] [ 1940.861668][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1940.862174][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1940.862174][ T1076] netdev_get_by_index+0x5e/0x80 [ 1940.862174][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1940.862174][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1940.862174][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1940.862174][ T1076] ipv6_add_addr+0x411/0x2000 [ 1940.862174][ T1076] inet6_addr_add+0x30e/0xa40 [ 1940.862174][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.862174][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.862174][ T1076] netlink_rcv_skb+0x130/0x360 [ 1940.862174][ T1076] netlink_unicast+0x449/0x710 [ 1940.862174][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1940.862174][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1940.862174][ T1076] ___sys_sendmsg+0xee/0x170 [ 1940.862174][ T1076] __sys_sendmsg+0xcd/0x170 [ 1940.862174][ T1076] do_syscall_64+0xc6/0x1e0 [ 1940.862174][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.862174][ T1076] [ 1940.864640][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1940.864640][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1940.864640][ T1076] ipv6_find_idev+0x102/0x170 [ 1940.864640][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.864640][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.864640][ T1076] netlink_rcv_skb+0x130/0x360 [ 1940.864640][ T1076] netlink_unicast+0x449/0x710 [ 1940.864640][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1940.864640][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1940.864640][ T1076] ___sys_sendmsg+0xee/0x170 [ 1940.864640][ T1076] __sys_sendmsg+0xcd/0x170 [ 1940.864640][ T1076] do_syscall_64+0xc6/0x1e0 [ 1940.864640][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.864640][ T1076] [ 1940.866540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1940.866540][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1940.866540][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1940.866540][ T1076] ipv6_find_idev+0x102/0x170 [ 1940.866540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.866540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.866540][ T1076] netlink_rcv_skb+0x130/0x360 [ 1940.866540][ T1076] netlink_unicast+0x449/0x710 [ 1940.866540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1940.866540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1940.866540][ T1076] ___sys_sendmsg+0xee/0x170 [ 1940.866540][ T1076] __sys_sendmsg+0xcd/0x170 [ 1940.866540][ T1076] do_syscall_64+0xc6/0x1e0 [ 1940.866540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.866540][ T1076] [ 1950.893691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1950.894202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1950.894202][ T1076] netdev_get_by_index+0x5e/0x80 [ 1950.894202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1950.894202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1950.894202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1950.894202][ T1076] ipv6_add_addr+0x411/0x2000 [ 1950.894202][ T1076] inet6_addr_add+0x30e/0xa40 [ 1950.894202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.894202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.894202][ T1076] netlink_rcv_skb+0x130/0x360 [ 1950.894202][ T1076] netlink_unicast+0x449/0x710 [ 1950.894202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1950.894202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1950.894202][ T1076] ___sys_sendmsg+0xee/0x170 [ 1950.894202][ T1076] __sys_sendmsg+0xcd/0x170 [ 1950.894202][ T1076] do_syscall_64+0xc6/0x1e0 [ 1950.894202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.894202][ T1076] [ 1950.896561][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1950.896561][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1950.896561][ T1076] ipv6_find_idev+0x102/0x170 [ 1950.896561][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.896561][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.896561][ T1076] netlink_rcv_skb+0x130/0x360 [ 1950.896561][ T1076] netlink_unicast+0x449/0x710 [ 1950.896561][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1950.896561][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1950.896561][ T1076] ___sys_sendmsg+0xee/0x170 [ 1950.896561][ T1076] __sys_sendmsg+0xcd/0x170 [ 1950.896561][ T1076] do_syscall_64+0xc6/0x1e0 [ 1950.896561][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.896561][ T1076] [ 1950.898465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1950.898465][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1950.898465][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1950.898465][ T1076] ipv6_find_idev+0x102/0x170 [ 1950.898465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.898465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.898465][ T1076] netlink_rcv_skb+0x130/0x360 [ 1950.898465][ T1076] netlink_unicast+0x449/0x710 [ 1950.898465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1950.898465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1950.898465][ T1076] ___sys_sendmsg+0xee/0x170 [ 1950.898465][ T1076] __sys_sendmsg+0xcd/0x170 [ 1950.898465][ T1076] do_syscall_64+0xc6/0x1e0 [ 1950.898465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.898465][ T1076] [ 1961.141776][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1961.142349][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1961.142349][ T1076] netdev_get_by_index+0x5e/0x80 [ 1961.142349][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1961.142349][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1961.142349][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1961.142349][ T1076] ipv6_add_addr+0x411/0x2000 [ 1961.142349][ T1076] inet6_addr_add+0x30e/0xa40 [ 1961.142349][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.142349][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.142349][ T1076] netlink_rcv_skb+0x130/0x360 [ 1961.142349][ T1076] netlink_unicast+0x449/0x710 [ 1961.142349][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1961.142349][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1961.142349][ T1076] ___sys_sendmsg+0xee/0x170 [ 1961.142349][ T1076] __sys_sendmsg+0xcd/0x170 [ 1961.142349][ T1076] do_syscall_64+0xc6/0x1e0 [ 1961.142349][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.142349][ T1076] [ 1961.144738][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1961.144738][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1961.144738][ T1076] ipv6_find_idev+0x102/0x170 [ 1961.144738][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.144738][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.144738][ T1076] netlink_rcv_skb+0x130/0x360 [ 1961.144738][ T1076] netlink_unicast+0x449/0x710 [ 1961.144738][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1961.144738][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1961.144738][ T1076] ___sys_sendmsg+0xee/0x170 [ 1961.144738][ T1076] __sys_sendmsg+0xcd/0x170 [ 1961.144738][ T1076] do_syscall_64+0xc6/0x1e0 [ 1961.144738][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.144738][ T1076] [ 1961.146483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1961.146483][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1961.146483][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1961.146483][ T1076] ipv6_find_idev+0x102/0x170 [ 1961.146483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.146483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.146483][ T1076] netlink_rcv_skb+0x130/0x360 [ 1961.146483][ T1076] netlink_unicast+0x449/0x710 [ 1961.146483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1961.146483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1961.146483][ T1076] ___sys_sendmsg+0xee/0x170 [ 1961.146483][ T1076] __sys_sendmsg+0xcd/0x170 [ 1961.146483][ T1076] do_syscall_64+0xc6/0x1e0 [ 1961.146483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.146483][ T1076] [ 1971.317647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1971.318105][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1971.318105][ T1076] netdev_get_by_index+0x5e/0x80 [ 1971.318105][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1971.318105][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1971.318105][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1971.318105][ T1076] ipv6_add_addr+0x411/0x2000 [ 1971.318105][ T1076] inet6_addr_add+0x30e/0xa40 [ 1971.318105][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.318105][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.318105][ T1076] netlink_rcv_skb+0x130/0x360 [ 1971.318105][ T1076] netlink_unicast+0x449/0x710 [ 1971.318105][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1971.318105][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1971.318105][ T1076] ___sys_sendmsg+0xee/0x170 [ 1971.318105][ T1076] __sys_sendmsg+0xcd/0x170 [ 1971.318105][ T1076] do_syscall_64+0xc6/0x1e0 [ 1971.318105][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.318105][ T1076] [ 1971.320405][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1971.320405][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1971.320405][ T1076] ipv6_find_idev+0x102/0x170 [ 1971.320405][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.320405][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.320405][ T1076] netlink_rcv_skb+0x130/0x360 [ 1971.320405][ T1076] netlink_unicast+0x449/0x710 [ 1971.320405][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1971.320405][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1971.320405][ T1076] ___sys_sendmsg+0xee/0x170 [ 1971.320405][ T1076] __sys_sendmsg+0xcd/0x170 [ 1971.320405][ T1076] do_syscall_64+0xc6/0x1e0 [ 1971.320405][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.320405][ T1076] [ 1971.322182][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1971.322182][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1971.322182][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1971.322182][ T1076] ipv6_find_idev+0x102/0x170 [ 1971.322182][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.322182][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.322182][ T1076] netlink_rcv_skb+0x130/0x360 [ 1971.322182][ T1076] netlink_unicast+0x449/0x710 [ 1971.322182][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1971.322182][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1971.322182][ T1076] ___sys_sendmsg+0xee/0x170 [ 1971.322182][ T1076] __sys_sendmsg+0xcd/0x170 [ 1971.322182][ T1076] do_syscall_64+0xc6/0x1e0 [ 1971.322182][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.322182][ T1076] [ 1981.357664][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1981.358127][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1981.358127][ T1076] netdev_get_by_index+0x5e/0x80 [ 1981.358127][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1981.358127][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1981.358127][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1981.358127][ T1076] ipv6_add_addr+0x411/0x2000 [ 1981.358127][ T1076] inet6_addr_add+0x30e/0xa40 [ 1981.358127][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.358127][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.358127][ T1076] netlink_rcv_skb+0x130/0x360 [ 1981.358127][ T1076] netlink_unicast+0x449/0x710 [ 1981.358127][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1981.358127][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1981.358127][ T1076] ___sys_sendmsg+0xee/0x170 [ 1981.358127][ T1076] __sys_sendmsg+0xcd/0x170 [ 1981.358127][ T1076] do_syscall_64+0xc6/0x1e0 [ 1981.358127][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.358127][ T1076] [ 1981.360403][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1981.360403][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1981.360403][ T1076] ipv6_find_idev+0x102/0x170 [ 1981.360403][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.360403][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.360403][ T1076] netlink_rcv_skb+0x130/0x360 [ 1981.360403][ T1076] netlink_unicast+0x449/0x710 [ 1981.360403][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1981.360403][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1981.360403][ T1076] ___sys_sendmsg+0xee/0x170 [ 1981.360403][ T1076] __sys_sendmsg+0xcd/0x170 [ 1981.360403][ T1076] do_syscall_64+0xc6/0x1e0 [ 1981.360403][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.360403][ T1076] [ 1981.362140][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1981.362140][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1981.362140][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1981.362140][ T1076] ipv6_find_idev+0x102/0x170 [ 1981.362140][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.362140][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.362140][ T1076] netlink_rcv_skb+0x130/0x360 [ 1981.362140][ T1076] netlink_unicast+0x449/0x710 [ 1981.362140][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1981.362140][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1981.362140][ T1076] ___sys_sendmsg+0xee/0x170 [ 1981.362140][ T1076] __sys_sendmsg+0xcd/0x170 [ 1981.362140][ T1076] do_syscall_64+0xc6/0x1e0 [ 1981.362140][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.362140][ T1076] [ 1991.605681][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 1991.606144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1991.606144][ T1076] netdev_get_by_index+0x5e/0x80 [ 1991.606144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 1991.606144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 1991.606144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 1991.606144][ T1076] ipv6_add_addr+0x411/0x2000 [ 1991.606144][ T1076] inet6_addr_add+0x30e/0xa40 [ 1991.606144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.606144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.606144][ T1076] netlink_rcv_skb+0x130/0x360 [ 1991.606144][ T1076] netlink_unicast+0x449/0x710 [ 1991.606144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1991.606144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1991.606144][ T1076] ___sys_sendmsg+0xee/0x170 [ 1991.606144][ T1076] __sys_sendmsg+0xcd/0x170 [ 1991.606144][ T1076] do_syscall_64+0xc6/0x1e0 [ 1991.606144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.606144][ T1076] [ 1991.608414][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1991.608414][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 1991.608414][ T1076] ipv6_find_idev+0x102/0x170 [ 1991.608414][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.608414][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.608414][ T1076] netlink_rcv_skb+0x130/0x360 [ 1991.608414][ T1076] netlink_unicast+0x449/0x710 [ 1991.608414][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1991.608414][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1991.608414][ T1076] ___sys_sendmsg+0xee/0x170 [ 1991.608414][ T1076] __sys_sendmsg+0xcd/0x170 [ 1991.608414][ T1076] do_syscall_64+0xc6/0x1e0 [ 1991.608414][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.608414][ T1076] [ 1991.610159][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 1991.610159][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 1991.610159][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 1991.610159][ T1076] ipv6_find_idev+0x102/0x170 [ 1991.610159][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.610159][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.610159][ T1076] netlink_rcv_skb+0x130/0x360 [ 1991.610159][ T1076] netlink_unicast+0x449/0x710 [ 1991.610159][ T1076] netlink_sendmsg+0x723/0xbe0 [ 1991.610159][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 1991.610159][ T1076] ___sys_sendmsg+0xee/0x170 [ 1991.610159][ T1076] __sys_sendmsg+0xcd/0x170 [ 1991.610159][ T1076] do_syscall_64+0xc6/0x1e0 [ 1991.610159][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.610159][ T1076] [ 2001.853679][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2001.854152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2001.854152][ T1076] netdev_get_by_index+0x5e/0x80 [ 2001.854152][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2001.854152][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2001.854152][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2001.854152][ T1076] ipv6_add_addr+0x411/0x2000 [ 2001.854152][ T1076] inet6_addr_add+0x30e/0xa40 [ 2001.854152][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.854152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.854152][ T1076] netlink_rcv_skb+0x130/0x360 [ 2001.854152][ T1076] netlink_unicast+0x449/0x710 [ 2001.854152][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2001.854152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2001.854152][ T1076] ___sys_sendmsg+0xee/0x170 [ 2001.854152][ T1076] __sys_sendmsg+0xcd/0x170 [ 2001.854152][ T1076] do_syscall_64+0xc6/0x1e0 [ 2001.854152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.854152][ T1076] [ 2001.856486][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2001.856486][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2001.856486][ T1076] ipv6_find_idev+0x102/0x170 [ 2001.856486][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.856486][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.856486][ T1076] netlink_rcv_skb+0x130/0x360 [ 2001.856486][ T1076] netlink_unicast+0x449/0x710 [ 2001.856486][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2001.856486][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2001.856486][ T1076] ___sys_sendmsg+0xee/0x170 [ 2001.856486][ T1076] __sys_sendmsg+0xcd/0x170 [ 2001.856486][ T1076] do_syscall_64+0xc6/0x1e0 [ 2001.856486][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.856486][ T1076] [ 2001.858232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2001.858232][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2001.858232][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2001.858232][ T1076] ipv6_find_idev+0x102/0x170 [ 2001.858232][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.858232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.858232][ T1076] netlink_rcv_skb+0x130/0x360 [ 2001.858232][ T1076] netlink_unicast+0x449/0x710 [ 2001.858232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2001.858232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2001.858232][ T1076] ___sys_sendmsg+0xee/0x170 [ 2001.858232][ T1076] __sys_sendmsg+0xcd/0x170 [ 2001.858232][ T1076] do_syscall_64+0xc6/0x1e0 [ 2001.858232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.858232][ T1076] [ 2012.101717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2012.102191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2012.102191][ T1076] netdev_get_by_index+0x5e/0x80 [ 2012.102191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2012.102191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2012.102191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2012.102191][ T1076] ipv6_add_addr+0x411/0x2000 [ 2012.102191][ T1076] inet6_addr_add+0x30e/0xa40 [ 2012.102191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.102191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.102191][ T1076] netlink_rcv_skb+0x130/0x360 [ 2012.102191][ T1076] netlink_unicast+0x449/0x710 [ 2012.102191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2012.102191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2012.102191][ T1076] ___sys_sendmsg+0xee/0x170 [ 2012.102191][ T1076] __sys_sendmsg+0xcd/0x170 [ 2012.102191][ T1076] do_syscall_64+0xc6/0x1e0 [ 2012.102191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.102191][ T1076] [ 2012.104502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2012.104502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2012.104502][ T1076] ipv6_find_idev+0x102/0x170 [ 2012.104502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.104502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.104502][ T1076] netlink_rcv_skb+0x130/0x360 [ 2012.104502][ T1076] netlink_unicast+0x449/0x710 [ 2012.104502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2012.104502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2012.104502][ T1076] ___sys_sendmsg+0xee/0x170 [ 2012.104502][ T1076] __sys_sendmsg+0xcd/0x170 [ 2012.104502][ T1076] do_syscall_64+0xc6/0x1e0 [ 2012.104502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.104502][ T1076] [ 2012.106262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2012.106262][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2012.106262][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2012.106262][ T1076] ipv6_find_idev+0x102/0x170 [ 2012.106262][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.106262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.106262][ T1076] netlink_rcv_skb+0x130/0x360 [ 2012.106262][ T1076] netlink_unicast+0x449/0x710 [ 2012.106262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2012.106262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2012.106262][ T1076] ___sys_sendmsg+0xee/0x170 [ 2012.106262][ T1076] __sys_sendmsg+0xcd/0x170 [ 2012.106262][ T1076] do_syscall_64+0xc6/0x1e0 [ 2012.106262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.106262][ T1076] [ 2022.349666][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2022.350173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2022.350173][ T1076] netdev_get_by_index+0x5e/0x80 [ 2022.350173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2022.350173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2022.350173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2022.350173][ T1076] ipv6_add_addr+0x411/0x2000 [ 2022.350173][ T1076] inet6_addr_add+0x30e/0xa40 [ 2022.350173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.350173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.350173][ T1076] netlink_rcv_skb+0x130/0x360 [ 2022.350173][ T1076] netlink_unicast+0x449/0x710 [ 2022.350173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2022.350173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2022.350173][ T1076] ___sys_sendmsg+0xee/0x170 [ 2022.350173][ T1076] __sys_sendmsg+0xcd/0x170 [ 2022.350173][ T1076] do_syscall_64+0xc6/0x1e0 [ 2022.350173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.350173][ T1076] [ 2022.352433][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2022.352433][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2022.352433][ T1076] ipv6_find_idev+0x102/0x170 [ 2022.352433][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.352433][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.352433][ T1076] netlink_rcv_skb+0x130/0x360 [ 2022.352433][ T1076] netlink_unicast+0x449/0x710 [ 2022.352433][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2022.352433][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2022.352433][ T1076] ___sys_sendmsg+0xee/0x170 [ 2022.352433][ T1076] __sys_sendmsg+0xcd/0x170 [ 2022.352433][ T1076] do_syscall_64+0xc6/0x1e0 [ 2022.352433][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.352433][ T1076] [ 2022.354176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2022.354176][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2022.354176][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2022.354176][ T1076] ipv6_find_idev+0x102/0x170 [ 2022.354176][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.354176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.354176][ T1076] netlink_rcv_skb+0x130/0x360 [ 2022.354176][ T1076] netlink_unicast+0x449/0x710 [ 2022.354176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2022.354176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2022.354176][ T1076] ___sys_sendmsg+0xee/0x170 [ 2022.354176][ T1076] __sys_sendmsg+0xcd/0x170 [ 2022.354176][ T1076] do_syscall_64+0xc6/0x1e0 [ 2022.354176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.354176][ T1076] [ 2032.469717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2032.470242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2032.470242][ T1076] netdev_get_by_index+0x5e/0x80 [ 2032.470242][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2032.470242][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2032.470242][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2032.470242][ T1076] ipv6_add_addr+0x411/0x2000 [ 2032.470242][ T1076] inet6_addr_add+0x30e/0xa40 [ 2032.470242][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.470242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.470242][ T1076] netlink_rcv_skb+0x130/0x360 [ 2032.470242][ T1076] netlink_unicast+0x449/0x710 [ 2032.470242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2032.470242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2032.470242][ T1076] ___sys_sendmsg+0xee/0x170 [ 2032.470242][ T1076] __sys_sendmsg+0xcd/0x170 [ 2032.470242][ T1076] do_syscall_64+0xc6/0x1e0 [ 2032.470242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.470242][ T1076] [ 2032.472493][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2032.472493][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2032.472493][ T1076] ipv6_find_idev+0x102/0x170 [ 2032.472493][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.472493][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.472493][ T1076] netlink_rcv_skb+0x130/0x360 [ 2032.472493][ T1076] netlink_unicast+0x449/0x710 [ 2032.472493][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2032.472493][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2032.472493][ T1076] ___sys_sendmsg+0xee/0x170 [ 2032.472493][ T1076] __sys_sendmsg+0xcd/0x170 [ 2032.472493][ T1076] do_syscall_64+0xc6/0x1e0 [ 2032.472493][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.472493][ T1076] [ 2032.474232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2032.474232][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2032.474232][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2032.474232][ T1076] ipv6_find_idev+0x102/0x170 [ 2032.474232][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.474232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.474232][ T1076] netlink_rcv_skb+0x130/0x360 [ 2032.474232][ T1076] netlink_unicast+0x449/0x710 [ 2032.474232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2032.474232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2032.474232][ T1076] ___sys_sendmsg+0xee/0x170 [ 2032.474232][ T1076] __sys_sendmsg+0xcd/0x170 [ 2032.474232][ T1076] do_syscall_64+0xc6/0x1e0 [ 2032.474232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.474232][ T1076] [ 2042.637691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2042.638158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2042.638158][ T1076] netdev_get_by_index+0x5e/0x80 [ 2042.638158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2042.638158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2042.638158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2042.638158][ T1076] ipv6_add_addr+0x411/0x2000 [ 2042.638158][ T1076] inet6_addr_add+0x30e/0xa40 [ 2042.638158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.638158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.638158][ T1076] netlink_rcv_skb+0x130/0x360 [ 2042.638158][ T1076] netlink_unicast+0x449/0x710 [ 2042.638158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2042.638158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2042.638158][ T1076] ___sys_sendmsg+0xee/0x170 [ 2042.638158][ T1076] __sys_sendmsg+0xcd/0x170 [ 2042.638158][ T1076] do_syscall_64+0xc6/0x1e0 [ 2042.638158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.638158][ T1076] [ 2042.640411][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2042.640411][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2042.640411][ T1076] ipv6_find_idev+0x102/0x170 [ 2042.640411][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.640411][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.640411][ T1076] netlink_rcv_skb+0x130/0x360 [ 2042.640411][ T1076] netlink_unicast+0x449/0x710 [ 2042.640411][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2042.640411][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2042.640411][ T1076] ___sys_sendmsg+0xee/0x170 [ 2042.640411][ T1076] __sys_sendmsg+0xcd/0x170 [ 2042.640411][ T1076] do_syscall_64+0xc6/0x1e0 [ 2042.640411][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.640411][ T1076] [ 2042.642133][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2042.642133][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2042.642133][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2042.642133][ T1076] ipv6_find_idev+0x102/0x170 [ 2042.642133][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.642133][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.642133][ T1076] netlink_rcv_skb+0x130/0x360 [ 2042.642133][ T1076] netlink_unicast+0x449/0x710 [ 2042.642133][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2042.642133][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2042.642133][ T1076] ___sys_sendmsg+0xee/0x170 [ 2042.642133][ T1076] __sys_sendmsg+0xcd/0x170 [ 2042.642133][ T1076] do_syscall_64+0xc6/0x1e0 [ 2042.642133][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.642133][ T1076] [ 2052.845668][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2052.846128][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2052.846128][ T1076] netdev_get_by_index+0x5e/0x80 [ 2052.846128][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2052.846128][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2052.846128][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2052.846128][ T1076] ipv6_add_addr+0x411/0x2000 [ 2052.846128][ T1076] inet6_addr_add+0x30e/0xa40 [ 2052.846128][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.846128][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.846128][ T1076] netlink_rcv_skb+0x130/0x360 [ 2052.846128][ T1076] netlink_unicast+0x449/0x710 [ 2052.846128][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2052.846128][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2052.846128][ T1076] ___sys_sendmsg+0xee/0x170 [ 2052.846128][ T1076] __sys_sendmsg+0xcd/0x170 [ 2052.846128][ T1076] do_syscall_64+0xc6/0x1e0 [ 2052.846128][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.846128][ T1076] [ 2052.848513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2052.848513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2052.848513][ T1076] ipv6_find_idev+0x102/0x170 [ 2052.848513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.848513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.848513][ T1076] netlink_rcv_skb+0x130/0x360 [ 2052.848513][ T1076] netlink_unicast+0x449/0x710 [ 2052.848513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2052.848513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2052.848513][ T1076] ___sys_sendmsg+0xee/0x170 [ 2052.848513][ T1076] __sys_sendmsg+0xcd/0x170 [ 2052.848513][ T1076] do_syscall_64+0xc6/0x1e0 [ 2052.848513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.848513][ T1076] [ 2052.850246][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2052.850246][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2052.850246][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2052.850246][ T1076] ipv6_find_idev+0x102/0x170 [ 2052.850246][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.850246][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.850246][ T1076] netlink_rcv_skb+0x130/0x360 [ 2052.850246][ T1076] netlink_unicast+0x449/0x710 [ 2052.850246][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2052.850246][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2052.850246][ T1076] ___sys_sendmsg+0xee/0x170 [ 2052.850246][ T1076] __sys_sendmsg+0xcd/0x170 [ 2052.850246][ T1076] do_syscall_64+0xc6/0x1e0 [ 2052.850246][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.850246][ T1076] [ 2063.101709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2063.102223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2063.102223][ T1076] netdev_get_by_index+0x5e/0x80 [ 2063.102223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2063.102223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2063.102223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2063.102223][ T1076] ipv6_add_addr+0x411/0x2000 [ 2063.102223][ T1076] inet6_addr_add+0x30e/0xa40 [ 2063.102223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.102223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.102223][ T1076] netlink_rcv_skb+0x130/0x360 [ 2063.102223][ T1076] netlink_unicast+0x449/0x710 [ 2063.102223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2063.102223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2063.102223][ T1076] ___sys_sendmsg+0xee/0x170 [ 2063.102223][ T1076] __sys_sendmsg+0xcd/0x170 [ 2063.102223][ T1076] do_syscall_64+0xc6/0x1e0 [ 2063.102223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.102223][ T1076] [ 2063.104630][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2063.104630][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2063.104630][ T1076] ipv6_find_idev+0x102/0x170 [ 2063.104630][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.104630][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.104630][ T1076] netlink_rcv_skb+0x130/0x360 [ 2063.104630][ T1076] netlink_unicast+0x449/0x710 [ 2063.104630][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2063.104630][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2063.104630][ T1076] ___sys_sendmsg+0xee/0x170 [ 2063.104630][ T1076] __sys_sendmsg+0xcd/0x170 [ 2063.104630][ T1076] do_syscall_64+0xc6/0x1e0 [ 2063.104630][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.104630][ T1076] [ 2063.106375][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2063.106375][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2063.106375][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2063.106375][ T1076] ipv6_find_idev+0x102/0x170 [ 2063.106375][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.106375][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.106375][ T1076] netlink_rcv_skb+0x130/0x360 [ 2063.106375][ T1076] netlink_unicast+0x449/0x710 [ 2063.106375][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2063.106375][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2063.106375][ T1076] ___sys_sendmsg+0xee/0x170 [ 2063.106375][ T1076] __sys_sendmsg+0xcd/0x170 [ 2063.106375][ T1076] do_syscall_64+0xc6/0x1e0 [ 2063.106375][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.106375][ T1076] [ 2073.197729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2073.198264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2073.198264][ T1076] netdev_get_by_index+0x5e/0x80 [ 2073.198264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2073.198264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2073.198264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2073.198264][ T1076] ipv6_add_addr+0x411/0x2000 [ 2073.198264][ T1076] inet6_addr_add+0x30e/0xa40 [ 2073.198264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.198264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.198264][ T1076] netlink_rcv_skb+0x130/0x360 [ 2073.198264][ T1076] netlink_unicast+0x449/0x710 [ 2073.198264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2073.198264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2073.198264][ T1076] ___sys_sendmsg+0xee/0x170 [ 2073.198264][ T1076] __sys_sendmsg+0xcd/0x170 [ 2073.198264][ T1076] do_syscall_64+0xc6/0x1e0 [ 2073.198264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.198264][ T1076] [ 2073.200662][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2073.200662][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2073.200662][ T1076] ipv6_find_idev+0x102/0x170 [ 2073.200662][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.200662][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.200662][ T1076] netlink_rcv_skb+0x130/0x360 [ 2073.200662][ T1076] netlink_unicast+0x449/0x710 [ 2073.200662][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2073.200662][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2073.200662][ T1076] ___sys_sendmsg+0xee/0x170 [ 2073.200662][ T1076] __sys_sendmsg+0xcd/0x170 [ 2073.200662][ T1076] do_syscall_64+0xc6/0x1e0 [ 2073.200662][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.200662][ T1076] [ 2073.202395][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2073.202395][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2073.202395][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2073.202395][ T1076] ipv6_find_idev+0x102/0x170 [ 2073.202395][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.202395][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.202395][ T1076] netlink_rcv_skb+0x130/0x360 [ 2073.202395][ T1076] netlink_unicast+0x449/0x710 [ 2073.202395][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2073.202395][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2073.202395][ T1076] ___sys_sendmsg+0xee/0x170 [ 2073.202395][ T1076] __sys_sendmsg+0xcd/0x170 [ 2073.202395][ T1076] do_syscall_64+0xc6/0x1e0 [ 2073.202395][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.202395][ T1076] [ 2083.445772][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2083.446226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2083.446226][ T1076] netdev_get_by_index+0x5e/0x80 [ 2083.446226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2083.446226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2083.446226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2083.446226][ T1076] ipv6_add_addr+0x411/0x2000 [ 2083.446226][ T1076] inet6_addr_add+0x30e/0xa40 [ 2083.446226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.446226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.446226][ T1076] netlink_rcv_skb+0x130/0x360 [ 2083.446226][ T1076] netlink_unicast+0x449/0x710 [ 2083.446226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2083.446226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2083.446226][ T1076] ___sys_sendmsg+0xee/0x170 [ 2083.446226][ T1076] __sys_sendmsg+0xcd/0x170 [ 2083.446226][ T1076] do_syscall_64+0xc6/0x1e0 [ 2083.446226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.446226][ T1076] [ 2083.448498][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2083.448498][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2083.448498][ T1076] ipv6_find_idev+0x102/0x170 [ 2083.448498][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.448498][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.448498][ T1076] netlink_rcv_skb+0x130/0x360 [ 2083.448498][ T1076] netlink_unicast+0x449/0x710 [ 2083.448498][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2083.448498][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2083.448498][ T1076] ___sys_sendmsg+0xee/0x170 [ 2083.448498][ T1076] __sys_sendmsg+0xcd/0x170 [ 2083.448498][ T1076] do_syscall_64+0xc6/0x1e0 [ 2083.448498][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.448498][ T1076] [ 2083.450322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2083.450322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2083.450322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2083.450322][ T1076] ipv6_find_idev+0x102/0x170 [ 2083.450322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.450322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.450322][ T1076] netlink_rcv_skb+0x130/0x360 [ 2083.450322][ T1076] netlink_unicast+0x449/0x710 [ 2083.450322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2083.450322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2083.450322][ T1076] ___sys_sendmsg+0xee/0x170 [ 2083.450322][ T1076] __sys_sendmsg+0xcd/0x170 [ 2083.450322][ T1076] do_syscall_64+0xc6/0x1e0 [ 2083.450322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.450322][ T1076] [ 2093.693638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2093.694223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2093.694223][ T1076] netdev_get_by_index+0x5e/0x80 [ 2093.694223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2093.694223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2093.694223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2093.694223][ T1076] ipv6_add_addr+0x411/0x2000 [ 2093.694223][ T1076] inet6_addr_add+0x30e/0xa40 [ 2093.694223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.694223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.694223][ T1076] netlink_rcv_skb+0x130/0x360 [ 2093.694223][ T1076] netlink_unicast+0x449/0x710 [ 2093.694223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2093.694223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2093.694223][ T1076] ___sys_sendmsg+0xee/0x170 [ 2093.694223][ T1076] __sys_sendmsg+0xcd/0x170 [ 2093.694223][ T1076] do_syscall_64+0xc6/0x1e0 [ 2093.694223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.694223][ T1076] [ 2093.696603][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2093.696603][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2093.696603][ T1076] ipv6_find_idev+0x102/0x170 [ 2093.696603][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.696603][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.696603][ T1076] netlink_rcv_skb+0x130/0x360 [ 2093.696603][ T1076] netlink_unicast+0x449/0x710 [ 2093.696603][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2093.696603][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2093.696603][ T1076] ___sys_sendmsg+0xee/0x170 [ 2093.696603][ T1076] __sys_sendmsg+0xcd/0x170 [ 2093.696603][ T1076] do_syscall_64+0xc6/0x1e0 [ 2093.696603][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.696603][ T1076] [ 2093.698413][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2093.698413][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2093.698413][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2093.698413][ T1076] ipv6_find_idev+0x102/0x170 [ 2093.698413][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.698413][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.698413][ T1076] netlink_rcv_skb+0x130/0x360 [ 2093.698413][ T1076] netlink_unicast+0x449/0x710 [ 2093.698413][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2093.698413][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2093.698413][ T1076] ___sys_sendmsg+0xee/0x170 [ 2093.698413][ T1076] __sys_sendmsg+0xcd/0x170 [ 2093.698413][ T1076] do_syscall_64+0xc6/0x1e0 [ 2093.698413][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.698413][ T1076] [ 2103.941736][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2103.942287][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2103.942287][ T1076] netdev_get_by_index+0x5e/0x80 [ 2103.942287][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2103.942287][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2103.942287][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2103.942287][ T1076] ipv6_add_addr+0x411/0x2000 [ 2103.942287][ T1076] inet6_addr_add+0x30e/0xa40 [ 2103.942287][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.942287][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.942287][ T1076] netlink_rcv_skb+0x130/0x360 [ 2103.942287][ T1076] netlink_unicast+0x449/0x710 [ 2103.942287][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2103.942287][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2103.942287][ T1076] ___sys_sendmsg+0xee/0x170 [ 2103.942287][ T1076] __sys_sendmsg+0xcd/0x170 [ 2103.942287][ T1076] do_syscall_64+0xc6/0x1e0 [ 2103.942287][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.942287][ T1076] [ 2103.944583][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2103.944583][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2103.944583][ T1076] ipv6_find_idev+0x102/0x170 [ 2103.944583][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.944583][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.944583][ T1076] netlink_rcv_skb+0x130/0x360 [ 2103.944583][ T1076] netlink_unicast+0x449/0x710 [ 2103.944583][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2103.944583][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2103.944583][ T1076] ___sys_sendmsg+0xee/0x170 [ 2103.944583][ T1076] __sys_sendmsg+0xcd/0x170 [ 2103.944583][ T1076] do_syscall_64+0xc6/0x1e0 [ 2103.944583][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.944583][ T1076] [ 2103.946311][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2103.946311][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2103.946311][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2103.946311][ T1076] ipv6_find_idev+0x102/0x170 [ 2103.946311][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.946311][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.946311][ T1076] netlink_rcv_skb+0x130/0x360 [ 2103.946311][ T1076] netlink_unicast+0x449/0x710 [ 2103.946311][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2103.946311][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2103.946311][ T1076] ___sys_sendmsg+0xee/0x170 [ 2103.946311][ T1076] __sys_sendmsg+0xcd/0x170 [ 2103.946311][ T1076] do_syscall_64+0xc6/0x1e0 [ 2103.946311][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.946311][ T1076] [ 2114.149733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2114.150262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2114.150262][ T1076] netdev_get_by_index+0x5e/0x80 [ 2114.150262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2114.150262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2114.150262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2114.150262][ T1076] ipv6_add_addr+0x411/0x2000 [ 2114.150262][ T1076] inet6_addr_add+0x30e/0xa40 [ 2114.150262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.150262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.150262][ T1076] netlink_rcv_skb+0x130/0x360 [ 2114.150262][ T1076] netlink_unicast+0x449/0x710 [ 2114.150262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2114.150262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2114.150262][ T1076] ___sys_sendmsg+0xee/0x170 [ 2114.150262][ T1076] __sys_sendmsg+0xcd/0x170 [ 2114.150262][ T1076] do_syscall_64+0xc6/0x1e0 [ 2114.150262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.150262][ T1076] [ 2114.152536][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2114.152536][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2114.152536][ T1076] ipv6_find_idev+0x102/0x170 [ 2114.152536][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.152536][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.152536][ T1076] netlink_rcv_skb+0x130/0x360 [ 2114.152536][ T1076] netlink_unicast+0x449/0x710 [ 2114.152536][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2114.152536][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2114.152536][ T1076] ___sys_sendmsg+0xee/0x170 [ 2114.152536][ T1076] __sys_sendmsg+0xcd/0x170 [ 2114.152536][ T1076] do_syscall_64+0xc6/0x1e0 [ 2114.152536][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.152536][ T1076] [ 2114.154294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2114.154294][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2114.154294][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2114.154294][ T1076] ipv6_find_idev+0x102/0x170 [ 2114.154294][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.154294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.154294][ T1076] netlink_rcv_skb+0x130/0x360 [ 2114.154294][ T1076] netlink_unicast+0x449/0x710 [ 2114.154294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2114.154294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2114.154294][ T1076] ___sys_sendmsg+0xee/0x170 [ 2114.154294][ T1076] __sys_sendmsg+0xcd/0x170 [ 2114.154294][ T1076] do_syscall_64+0xc6/0x1e0 [ 2114.154294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.154294][ T1076] [ 2124.397752][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2124.398270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2124.398270][ T1076] netdev_get_by_index+0x5e/0x80 [ 2124.398270][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2124.398270][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2124.398270][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2124.398270][ T1076] ipv6_add_addr+0x411/0x2000 [ 2124.398270][ T1076] inet6_addr_add+0x30e/0xa40 [ 2124.398270][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.398270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.398270][ T1076] netlink_rcv_skb+0x130/0x360 [ 2124.398270][ T1076] netlink_unicast+0x449/0x710 [ 2124.398270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2124.398270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2124.398270][ T1076] ___sys_sendmsg+0xee/0x170 [ 2124.398270][ T1076] __sys_sendmsg+0xcd/0x170 [ 2124.398270][ T1076] do_syscall_64+0xc6/0x1e0 [ 2124.398270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.398270][ T1076] [ 2124.400527][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2124.400527][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2124.400527][ T1076] ipv6_find_idev+0x102/0x170 [ 2124.400527][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.400527][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.400527][ T1076] netlink_rcv_skb+0x130/0x360 [ 2124.400527][ T1076] netlink_unicast+0x449/0x710 [ 2124.400527][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2124.400527][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2124.400527][ T1076] ___sys_sendmsg+0xee/0x170 [ 2124.400527][ T1076] __sys_sendmsg+0xcd/0x170 [ 2124.400527][ T1076] do_syscall_64+0xc6/0x1e0 [ 2124.400527][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.400527][ T1076] [ 2124.402253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2124.402253][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2124.402253][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2124.402253][ T1076] ipv6_find_idev+0x102/0x170 [ 2124.402253][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.402253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.402253][ T1076] netlink_rcv_skb+0x130/0x360 [ 2124.402253][ T1076] netlink_unicast+0x449/0x710 [ 2124.402253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2124.402253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2124.402253][ T1076] ___sys_sendmsg+0xee/0x170 [ 2124.402253][ T1076] __sys_sendmsg+0xcd/0x170 [ 2124.402253][ T1076] do_syscall_64+0xc6/0x1e0 [ 2124.402253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.402253][ T1076] [ 2134.525700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2134.526204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2134.526204][ T1076] netdev_get_by_index+0x5e/0x80 [ 2134.526204][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2134.526204][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2134.526204][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2134.526204][ T1076] ipv6_add_addr+0x411/0x2000 [ 2134.526204][ T1076] inet6_addr_add+0x30e/0xa40 [ 2134.526204][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.526204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.526204][ T1076] netlink_rcv_skb+0x130/0x360 [ 2134.526204][ T1076] netlink_unicast+0x449/0x710 [ 2134.526204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2134.526204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2134.526204][ T1076] ___sys_sendmsg+0xee/0x170 [ 2134.526204][ T1076] __sys_sendmsg+0xcd/0x170 [ 2134.526204][ T1076] do_syscall_64+0xc6/0x1e0 [ 2134.526204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.526204][ T1076] [ 2134.528507][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2134.528507][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2134.528507][ T1076] ipv6_find_idev+0x102/0x170 [ 2134.528507][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.528507][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.528507][ T1076] netlink_rcv_skb+0x130/0x360 [ 2134.528507][ T1076] netlink_unicast+0x449/0x710 [ 2134.528507][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2134.528507][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2134.528507][ T1076] ___sys_sendmsg+0xee/0x170 [ 2134.528507][ T1076] __sys_sendmsg+0xcd/0x170 [ 2134.528507][ T1076] do_syscall_64+0xc6/0x1e0 [ 2134.528507][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.528507][ T1076] [ 2134.530232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2134.530232][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2134.530232][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2134.530232][ T1076] ipv6_find_idev+0x102/0x170 [ 2134.530232][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.530232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.530232][ T1076] netlink_rcv_skb+0x130/0x360 [ 2134.530232][ T1076] netlink_unicast+0x449/0x710 [ 2134.530232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2134.530232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2134.530232][ T1076] ___sys_sendmsg+0xee/0x170 [ 2134.530232][ T1076] __sys_sendmsg+0xcd/0x170 [ 2134.530232][ T1076] do_syscall_64+0xc6/0x1e0 [ 2134.530232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.530232][ T1076] [ 2144.701764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2144.702225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2144.702225][ T1076] netdev_get_by_index+0x5e/0x80 [ 2144.702225][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2144.702225][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2144.702225][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2144.702225][ T1076] ipv6_add_addr+0x411/0x2000 [ 2144.702225][ T1076] inet6_addr_add+0x30e/0xa40 [ 2144.702225][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.702225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.702225][ T1076] netlink_rcv_skb+0x130/0x360 [ 2144.702225][ T1076] netlink_unicast+0x449/0x710 [ 2144.702225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2144.702225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2144.702225][ T1076] ___sys_sendmsg+0xee/0x170 [ 2144.702225][ T1076] __sys_sendmsg+0xcd/0x170 [ 2144.702225][ T1076] do_syscall_64+0xc6/0x1e0 [ 2144.702225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.702225][ T1076] [ 2144.704641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2144.704641][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2144.704641][ T1076] ipv6_find_idev+0x102/0x170 [ 2144.704641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.704641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.704641][ T1076] netlink_rcv_skb+0x130/0x360 [ 2144.704641][ T1076] netlink_unicast+0x449/0x710 [ 2144.704641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2144.704641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2144.704641][ T1076] ___sys_sendmsg+0xee/0x170 [ 2144.704641][ T1076] __sys_sendmsg+0xcd/0x170 [ 2144.704641][ T1076] do_syscall_64+0xc6/0x1e0 [ 2144.704641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.704641][ T1076] [ 2144.706377][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2144.706377][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2144.706377][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2144.706377][ T1076] ipv6_find_idev+0x102/0x170 [ 2144.706377][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.706377][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.706377][ T1076] netlink_rcv_skb+0x130/0x360 [ 2144.706377][ T1076] netlink_unicast+0x449/0x710 [ 2144.706377][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2144.706377][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2144.706377][ T1076] ___sys_sendmsg+0xee/0x170 [ 2144.706377][ T1076] __sys_sendmsg+0xcd/0x170 [ 2144.706377][ T1076] do_syscall_64+0xc6/0x1e0 [ 2144.706377][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.706377][ T1076] [ 2154.741683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2154.742227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2154.742227][ T1076] netdev_get_by_index+0x5e/0x80 [ 2154.742227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2154.742227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2154.742227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2154.742227][ T1076] ipv6_add_addr+0x411/0x2000 [ 2154.742227][ T1076] inet6_addr_add+0x30e/0xa40 [ 2154.742227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.742227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.742227][ T1076] netlink_rcv_skb+0x130/0x360 [ 2154.742227][ T1076] netlink_unicast+0x449/0x710 [ 2154.742227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2154.742227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2154.742227][ T1076] ___sys_sendmsg+0xee/0x170 [ 2154.742227][ T1076] __sys_sendmsg+0xcd/0x170 [ 2154.742227][ T1076] do_syscall_64+0xc6/0x1e0 [ 2154.742227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.742227][ T1076] [ 2154.744504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2154.744504][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2154.744504][ T1076] ipv6_find_idev+0x102/0x170 [ 2154.744504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.744504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.744504][ T1076] netlink_rcv_skb+0x130/0x360 [ 2154.744504][ T1076] netlink_unicast+0x449/0x710 [ 2154.744504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2154.744504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2154.744504][ T1076] ___sys_sendmsg+0xee/0x170 [ 2154.744504][ T1076] __sys_sendmsg+0xcd/0x170 [ 2154.744504][ T1076] do_syscall_64+0xc6/0x1e0 [ 2154.744504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.744504][ T1076] [ 2154.746234][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2154.746234][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2154.746234][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2154.746234][ T1076] ipv6_find_idev+0x102/0x170 [ 2154.746234][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.746234][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.746234][ T1076] netlink_rcv_skb+0x130/0x360 [ 2154.746234][ T1076] netlink_unicast+0x449/0x710 [ 2154.746234][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2154.746234][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2154.746234][ T1076] ___sys_sendmsg+0xee/0x170 [ 2154.746234][ T1076] __sys_sendmsg+0xcd/0x170 [ 2154.746234][ T1076] do_syscall_64+0xc6/0x1e0 [ 2154.746234][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.746234][ T1076] [ 2164.845820][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2164.846296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2164.846296][ T1076] netdev_get_by_index+0x5e/0x80 [ 2164.846296][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2164.846296][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2164.846296][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2164.846296][ T1076] ipv6_add_addr+0x411/0x2000 [ 2164.846296][ T1076] inet6_addr_add+0x30e/0xa40 [ 2164.846296][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.846296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.846296][ T1076] netlink_rcv_skb+0x130/0x360 [ 2164.846296][ T1076] netlink_unicast+0x449/0x710 [ 2164.846296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2164.846296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2164.846296][ T1076] ___sys_sendmsg+0xee/0x170 [ 2164.846296][ T1076] __sys_sendmsg+0xcd/0x170 [ 2164.846296][ T1076] do_syscall_64+0xc6/0x1e0 [ 2164.846296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.846296][ T1076] [ 2164.848664][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2164.848664][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2164.848664][ T1076] ipv6_find_idev+0x102/0x170 [ 2164.848664][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.848664][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.848664][ T1076] netlink_rcv_skb+0x130/0x360 [ 2164.848664][ T1076] netlink_unicast+0x449/0x710 [ 2164.848664][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2164.848664][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2164.848664][ T1076] ___sys_sendmsg+0xee/0x170 [ 2164.848664][ T1076] __sys_sendmsg+0xcd/0x170 [ 2164.848664][ T1076] do_syscall_64+0xc6/0x1e0 [ 2164.848664][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.848664][ T1076] [ 2164.850468][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2164.850468][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2164.850468][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2164.850468][ T1076] ipv6_find_idev+0x102/0x170 [ 2164.850468][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.850468][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.850468][ T1076] netlink_rcv_skb+0x130/0x360 [ 2164.850468][ T1076] netlink_unicast+0x449/0x710 [ 2164.850468][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2164.850468][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2164.850468][ T1076] ___sys_sendmsg+0xee/0x170 [ 2164.850468][ T1076] __sys_sendmsg+0xcd/0x170 [ 2164.850468][ T1076] do_syscall_64+0xc6/0x1e0 [ 2164.850468][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.850468][ T1076] [ 2175.093717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2175.094226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2175.094226][ T1076] netdev_get_by_index+0x5e/0x80 [ 2175.094226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2175.094226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2175.094226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2175.094226][ T1076] ipv6_add_addr+0x411/0x2000 [ 2175.094226][ T1076] inet6_addr_add+0x30e/0xa40 [ 2175.094226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.094226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.094226][ T1076] netlink_rcv_skb+0x130/0x360 [ 2175.094226][ T1076] netlink_unicast+0x449/0x710 [ 2175.094226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2175.094226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2175.094226][ T1076] ___sys_sendmsg+0xee/0x170 [ 2175.094226][ T1076] __sys_sendmsg+0xcd/0x170 [ 2175.094226][ T1076] do_syscall_64+0xc6/0x1e0 [ 2175.094226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.094226][ T1076] [ 2175.096495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2175.096495][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2175.096495][ T1076] ipv6_find_idev+0x102/0x170 [ 2175.096495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.096495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.096495][ T1076] netlink_rcv_skb+0x130/0x360 [ 2175.096495][ T1076] netlink_unicast+0x449/0x710 [ 2175.096495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2175.096495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2175.096495][ T1076] ___sys_sendmsg+0xee/0x170 [ 2175.096495][ T1076] __sys_sendmsg+0xcd/0x170 [ 2175.096495][ T1076] do_syscall_64+0xc6/0x1e0 [ 2175.096495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.096495][ T1076] [ 2175.098223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2175.098223][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2175.098223][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2175.098223][ T1076] ipv6_find_idev+0x102/0x170 [ 2175.098223][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.098223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.098223][ T1076] netlink_rcv_skb+0x130/0x360 [ 2175.098223][ T1076] netlink_unicast+0x449/0x710 [ 2175.098223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2175.098223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2175.098223][ T1076] ___sys_sendmsg+0xee/0x170 [ 2175.098223][ T1076] __sys_sendmsg+0xcd/0x170 [ 2175.098223][ T1076] do_syscall_64+0xc6/0x1e0 [ 2175.098223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.098223][ T1076] [ 2185.341733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2185.342213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2185.342213][ T1076] netdev_get_by_index+0x5e/0x80 [ 2185.342213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2185.342213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2185.342213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2185.342213][ T1076] ipv6_add_addr+0x411/0x2000 [ 2185.342213][ T1076] inet6_addr_add+0x30e/0xa40 [ 2185.342213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.342213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.342213][ T1076] netlink_rcv_skb+0x130/0x360 [ 2185.342213][ T1076] netlink_unicast+0x449/0x710 [ 2185.342213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2185.342213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2185.342213][ T1076] ___sys_sendmsg+0xee/0x170 [ 2185.342213][ T1076] __sys_sendmsg+0xcd/0x170 [ 2185.342213][ T1076] do_syscall_64+0xc6/0x1e0 [ 2185.342213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.342213][ T1076] [ 2185.344535][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2185.344535][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2185.344535][ T1076] ipv6_find_idev+0x102/0x170 [ 2185.344535][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.344535][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.344535][ T1076] netlink_rcv_skb+0x130/0x360 [ 2185.344535][ T1076] netlink_unicast+0x449/0x710 [ 2185.344535][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2185.344535][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2185.344535][ T1076] ___sys_sendmsg+0xee/0x170 [ 2185.344535][ T1076] __sys_sendmsg+0xcd/0x170 [ 2185.344535][ T1076] do_syscall_64+0xc6/0x1e0 [ 2185.344535][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.344535][ T1076] [ 2185.346307][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2185.346307][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2185.346307][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2185.346307][ T1076] ipv6_find_idev+0x102/0x170 [ 2185.346307][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.346307][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.346307][ T1076] netlink_rcv_skb+0x130/0x360 [ 2185.346307][ T1076] netlink_unicast+0x449/0x710 [ 2185.346307][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2185.346307][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2185.346307][ T1076] ___sys_sendmsg+0xee/0x170 [ 2185.346307][ T1076] __sys_sendmsg+0xcd/0x170 [ 2185.346307][ T1076] do_syscall_64+0xc6/0x1e0 [ 2185.346307][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.346307][ T1076] [ 2195.589749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2195.590314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2195.590314][ T1076] netdev_get_by_index+0x5e/0x80 [ 2195.590314][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2195.590314][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2195.590314][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2195.590314][ T1076] ipv6_add_addr+0x411/0x2000 [ 2195.590314][ T1076] inet6_addr_add+0x30e/0xa40 [ 2195.590314][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.590314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.590314][ T1076] netlink_rcv_skb+0x130/0x360 [ 2195.590314][ T1076] netlink_unicast+0x449/0x710 [ 2195.590314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2195.590314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2195.590314][ T1076] ___sys_sendmsg+0xee/0x170 [ 2195.590314][ T1076] __sys_sendmsg+0xcd/0x170 [ 2195.590314][ T1076] do_syscall_64+0xc6/0x1e0 [ 2195.590314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.590314][ T1076] [ 2195.592660][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2195.592660][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2195.592660][ T1076] ipv6_find_idev+0x102/0x170 [ 2195.592660][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.592660][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.592660][ T1076] netlink_rcv_skb+0x130/0x360 [ 2195.592660][ T1076] netlink_unicast+0x449/0x710 [ 2195.592660][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2195.592660][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2195.592660][ T1076] ___sys_sendmsg+0xee/0x170 [ 2195.592660][ T1076] __sys_sendmsg+0xcd/0x170 [ 2195.592660][ T1076] do_syscall_64+0xc6/0x1e0 [ 2195.592660][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.592660][ T1076] [ 2195.594472][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2195.594472][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2195.594472][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2195.594472][ T1076] ipv6_find_idev+0x102/0x170 [ 2195.594472][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.594472][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.594472][ T1076] netlink_rcv_skb+0x130/0x360 [ 2195.594472][ T1076] netlink_unicast+0x449/0x710 [ 2195.594472][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2195.594472][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2195.594472][ T1076] ___sys_sendmsg+0xee/0x170 [ 2195.594472][ T1076] __sys_sendmsg+0xcd/0x170 [ 2195.594472][ T1076] do_syscall_64+0xc6/0x1e0 [ 2195.594472][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.594472][ T1076] [ 2205.837760][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2205.838323][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2205.838323][ T1076] netdev_get_by_index+0x5e/0x80 [ 2205.838323][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2205.838323][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2205.838323][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2205.838323][ T1076] ipv6_add_addr+0x411/0x2000 [ 2205.838323][ T1076] inet6_addr_add+0x30e/0xa40 [ 2205.838323][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.838323][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.838323][ T1076] netlink_rcv_skb+0x130/0x360 [ 2205.838323][ T1076] netlink_unicast+0x449/0x710 [ 2205.838323][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2205.838323][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2205.838323][ T1076] ___sys_sendmsg+0xee/0x170 [ 2205.838323][ T1076] __sys_sendmsg+0xcd/0x170 [ 2205.838323][ T1076] do_syscall_64+0xc6/0x1e0 [ 2205.838323][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.838323][ T1076] [ 2205.840624][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2205.840624][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2205.840624][ T1076] ipv6_find_idev+0x102/0x170 [ 2205.840624][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.840624][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.840624][ T1076] netlink_rcv_skb+0x130/0x360 [ 2205.840624][ T1076] netlink_unicast+0x449/0x710 [ 2205.840624][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2205.840624][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2205.840624][ T1076] ___sys_sendmsg+0xee/0x170 [ 2205.840624][ T1076] __sys_sendmsg+0xcd/0x170 [ 2205.840624][ T1076] do_syscall_64+0xc6/0x1e0 [ 2205.840624][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.840624][ T1076] [ 2205.842368][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2205.842368][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2205.842368][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2205.842368][ T1076] ipv6_find_idev+0x102/0x170 [ 2205.842368][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.842368][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.842368][ T1076] netlink_rcv_skb+0x130/0x360 [ 2205.842368][ T1076] netlink_unicast+0x449/0x710 [ 2205.842368][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2205.842368][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2205.842368][ T1076] ___sys_sendmsg+0xee/0x170 [ 2205.842368][ T1076] __sys_sendmsg+0xcd/0x170 [ 2205.842368][ T1076] do_syscall_64+0xc6/0x1e0 [ 2205.842368][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.842368][ T1076] [ 2216.085717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2216.086229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2216.086229][ T1076] netdev_get_by_index+0x5e/0x80 [ 2216.086229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2216.086229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2216.086229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2216.086229][ T1076] ipv6_add_addr+0x411/0x2000 [ 2216.086229][ T1076] inet6_addr_add+0x30e/0xa40 [ 2216.086229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.086229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.086229][ T1076] netlink_rcv_skb+0x130/0x360 [ 2216.086229][ T1076] netlink_unicast+0x449/0x710 [ 2216.086229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2216.086229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2216.086229][ T1076] ___sys_sendmsg+0xee/0x170 [ 2216.086229][ T1076] __sys_sendmsg+0xcd/0x170 [ 2216.086229][ T1076] do_syscall_64+0xc6/0x1e0 [ 2216.086229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.086229][ T1076] [ 2216.088508][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2216.088508][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2216.088508][ T1076] ipv6_find_idev+0x102/0x170 [ 2216.088508][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.088508][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.088508][ T1076] netlink_rcv_skb+0x130/0x360 [ 2216.088508][ T1076] netlink_unicast+0x449/0x710 [ 2216.088508][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2216.088508][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2216.088508][ T1076] ___sys_sendmsg+0xee/0x170 [ 2216.088508][ T1076] __sys_sendmsg+0xcd/0x170 [ 2216.088508][ T1076] do_syscall_64+0xc6/0x1e0 [ 2216.088508][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.088508][ T1076] [ 2216.090241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2216.090241][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2216.090241][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2216.090241][ T1076] ipv6_find_idev+0x102/0x170 [ 2216.090241][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.090241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.090241][ T1076] netlink_rcv_skb+0x130/0x360 [ 2216.090241][ T1076] netlink_unicast+0x449/0x710 [ 2216.090241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2216.090241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2216.090241][ T1076] ___sys_sendmsg+0xee/0x170 [ 2216.090241][ T1076] __sys_sendmsg+0xcd/0x170 [ 2216.090241][ T1076] do_syscall_64+0xc6/0x1e0 [ 2216.090241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.090241][ T1076] [ 2226.333703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2226.334148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2226.334148][ T1076] netdev_get_by_index+0x5e/0x80 [ 2226.334148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2226.334148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2226.334148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2226.334148][ T1076] ipv6_add_addr+0x411/0x2000 [ 2226.334148][ T1076] inet6_addr_add+0x30e/0xa40 [ 2226.334148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.334148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.334148][ T1076] netlink_rcv_skb+0x130/0x360 [ 2226.334148][ T1076] netlink_unicast+0x449/0x710 [ 2226.334148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2226.334148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2226.334148][ T1076] ___sys_sendmsg+0xee/0x170 [ 2226.334148][ T1076] __sys_sendmsg+0xcd/0x170 [ 2226.334148][ T1076] do_syscall_64+0xc6/0x1e0 [ 2226.334148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.334148][ T1076] [ 2226.336468][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2226.336468][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2226.336468][ T1076] ipv6_find_idev+0x102/0x170 [ 2226.336468][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.336468][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.336468][ T1076] netlink_rcv_skb+0x130/0x360 [ 2226.336468][ T1076] netlink_unicast+0x449/0x710 [ 2226.336468][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2226.336468][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2226.336468][ T1076] ___sys_sendmsg+0xee/0x170 [ 2226.336468][ T1076] __sys_sendmsg+0xcd/0x170 [ 2226.336468][ T1076] do_syscall_64+0xc6/0x1e0 [ 2226.336468][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.336468][ T1076] [ 2226.338200][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2226.338200][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2226.338200][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2226.338200][ T1076] ipv6_find_idev+0x102/0x170 [ 2226.338200][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.338200][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.338200][ T1076] netlink_rcv_skb+0x130/0x360 [ 2226.338200][ T1076] netlink_unicast+0x449/0x710 [ 2226.338200][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2226.338200][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2226.338200][ T1076] ___sys_sendmsg+0xee/0x170 [ 2226.338200][ T1076] __sys_sendmsg+0xcd/0x170 [ 2226.338200][ T1076] do_syscall_64+0xc6/0x1e0 [ 2226.338200][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.338200][ T1076] [ 2236.509716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2236.510170][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2236.510170][ T1076] netdev_get_by_index+0x5e/0x80 [ 2236.510170][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2236.510170][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2236.510170][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2236.510170][ T1076] ipv6_add_addr+0x411/0x2000 [ 2236.510170][ T1076] inet6_addr_add+0x30e/0xa40 [ 2236.510170][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.510170][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.510170][ T1076] netlink_rcv_skb+0x130/0x360 [ 2236.510170][ T1076] netlink_unicast+0x449/0x710 [ 2236.510170][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2236.510170][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2236.510170][ T1076] ___sys_sendmsg+0xee/0x170 [ 2236.510170][ T1076] __sys_sendmsg+0xcd/0x170 [ 2236.510170][ T1076] do_syscall_64+0xc6/0x1e0 [ 2236.510170][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.510170][ T1076] [ 2236.512592][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2236.512592][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2236.512592][ T1076] ipv6_find_idev+0x102/0x170 [ 2236.512592][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.512592][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.512592][ T1076] netlink_rcv_skb+0x130/0x360 [ 2236.512592][ T1076] netlink_unicast+0x449/0x710 [ 2236.512592][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2236.512592][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2236.512592][ T1076] ___sys_sendmsg+0xee/0x170 [ 2236.512592][ T1076] __sys_sendmsg+0xcd/0x170 [ 2236.512592][ T1076] do_syscall_64+0xc6/0x1e0 [ 2236.512592][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.512592][ T1076] [ 2236.514325][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2236.514325][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2236.514325][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2236.514325][ T1076] ipv6_find_idev+0x102/0x170 [ 2236.514325][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.514325][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.514325][ T1076] netlink_rcv_skb+0x130/0x360 [ 2236.514325][ T1076] netlink_unicast+0x449/0x710 [ 2236.514325][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2236.514325][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2236.514325][ T1076] ___sys_sendmsg+0xee/0x170 [ 2236.514325][ T1076] __sys_sendmsg+0xcd/0x170 [ 2236.514325][ T1076] do_syscall_64+0xc6/0x1e0 [ 2236.514325][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.514325][ T1076] [ 2246.589701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2246.590216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2246.590216][ T1076] netdev_get_by_index+0x5e/0x80 [ 2246.590216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2246.590216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2246.590216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2246.590216][ T1076] ipv6_add_addr+0x411/0x2000 [ 2246.590216][ T1076] inet6_addr_add+0x30e/0xa40 [ 2246.590216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.590216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.590216][ T1076] netlink_rcv_skb+0x130/0x360 [ 2246.590216][ T1076] netlink_unicast+0x449/0x710 [ 2246.590216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2246.590216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2246.590216][ T1076] ___sys_sendmsg+0xee/0x170 [ 2246.590216][ T1076] __sys_sendmsg+0xcd/0x170 [ 2246.590216][ T1076] do_syscall_64+0xc6/0x1e0 [ 2246.590216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.590216][ T1076] [ 2246.592508][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2246.592508][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2246.592508][ T1076] ipv6_find_idev+0x102/0x170 [ 2246.592508][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.592508][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.592508][ T1076] netlink_rcv_skb+0x130/0x360 [ 2246.592508][ T1076] netlink_unicast+0x449/0x710 [ 2246.592508][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2246.592508][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2246.592508][ T1076] ___sys_sendmsg+0xee/0x170 [ 2246.592508][ T1076] __sys_sendmsg+0xcd/0x170 [ 2246.592508][ T1076] do_syscall_64+0xc6/0x1e0 [ 2246.592508][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.592508][ T1076] [ 2246.594234][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2246.594234][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2246.594234][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2246.594234][ T1076] ipv6_find_idev+0x102/0x170 [ 2246.594234][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.594234][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.594234][ T1076] netlink_rcv_skb+0x130/0x360 [ 2246.594234][ T1076] netlink_unicast+0x449/0x710 [ 2246.594234][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2246.594234][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2246.594234][ T1076] ___sys_sendmsg+0xee/0x170 [ 2246.594234][ T1076] __sys_sendmsg+0xcd/0x170 [ 2246.594234][ T1076] do_syscall_64+0xc6/0x1e0 [ 2246.594234][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.594234][ T1076] [ 2256.797838][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2256.798312][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2256.798312][ T1076] netdev_get_by_index+0x5e/0x80 [ 2256.798312][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2256.798312][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2256.798312][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2256.798312][ T1076] ipv6_add_addr+0x411/0x2000 [ 2256.798312][ T1076] inet6_addr_add+0x30e/0xa40 [ 2256.798312][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.798312][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.798312][ T1076] netlink_rcv_skb+0x130/0x360 [ 2256.798312][ T1076] netlink_unicast+0x449/0x710 [ 2256.798312][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2256.798312][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2256.798312][ T1076] ___sys_sendmsg+0xee/0x170 [ 2256.798312][ T1076] __sys_sendmsg+0xcd/0x170 [ 2256.798312][ T1076] do_syscall_64+0xc6/0x1e0 [ 2256.798312][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.798312][ T1076] [ 2256.800610][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2256.800610][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2256.800610][ T1076] ipv6_find_idev+0x102/0x170 [ 2256.800610][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.800610][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.800610][ T1076] netlink_rcv_skb+0x130/0x360 [ 2256.800610][ T1076] netlink_unicast+0x449/0x710 [ 2256.800610][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2256.800610][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2256.800610][ T1076] ___sys_sendmsg+0xee/0x170 [ 2256.800610][ T1076] __sys_sendmsg+0xcd/0x170 [ 2256.800610][ T1076] do_syscall_64+0xc6/0x1e0 [ 2256.800610][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.800610][ T1076] [ 2256.802372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2256.802372][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2256.802372][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2256.802372][ T1076] ipv6_find_idev+0x102/0x170 [ 2256.802372][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.802372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.802372][ T1076] netlink_rcv_skb+0x130/0x360 [ 2256.802372][ T1076] netlink_unicast+0x449/0x710 [ 2256.802372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2256.802372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2256.802372][ T1076] ___sys_sendmsg+0xee/0x170 [ 2256.802372][ T1076] __sys_sendmsg+0xcd/0x170 [ 2256.802372][ T1076] do_syscall_64+0xc6/0x1e0 [ 2256.802372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.802372][ T1076] [ 2266.805845][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2266.806399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2266.806399][ T1076] netdev_get_by_index+0x5e/0x80 [ 2266.806399][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2266.806399][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2266.806399][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2266.806399][ T1076] ipv6_add_addr+0x411/0x2000 [ 2266.806399][ T1076] inet6_addr_add+0x30e/0xa40 [ 2266.806399][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.806399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.806399][ T1076] netlink_rcv_skb+0x130/0x360 [ 2266.806399][ T1076] netlink_unicast+0x449/0x710 [ 2266.806399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2266.806399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2266.806399][ T1076] ___sys_sendmsg+0xee/0x170 [ 2266.806399][ T1076] __sys_sendmsg+0xcd/0x170 [ 2266.806399][ T1076] do_syscall_64+0xc6/0x1e0 [ 2266.806399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.806399][ T1076] [ 2266.808699][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2266.808699][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2266.808699][ T1076] ipv6_find_idev+0x102/0x170 [ 2266.808699][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.808699][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.808699][ T1076] netlink_rcv_skb+0x130/0x360 [ 2266.808699][ T1076] netlink_unicast+0x449/0x710 [ 2266.808699][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2266.808699][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2266.808699][ T1076] ___sys_sendmsg+0xee/0x170 [ 2266.808699][ T1076] __sys_sendmsg+0xcd/0x170 [ 2266.808699][ T1076] do_syscall_64+0xc6/0x1e0 [ 2266.808699][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.808699][ T1076] [ 2266.810451][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2266.810451][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2266.810451][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2266.810451][ T1076] ipv6_find_idev+0x102/0x170 [ 2266.810451][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.810451][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.810451][ T1076] netlink_rcv_skb+0x130/0x360 [ 2266.810451][ T1076] netlink_unicast+0x449/0x710 [ 2266.810451][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2266.810451][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2266.810451][ T1076] ___sys_sendmsg+0xee/0x170 [ 2266.810451][ T1076] __sys_sendmsg+0xcd/0x170 [ 2266.810451][ T1076] do_syscall_64+0xc6/0x1e0 [ 2266.810451][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.810451][ T1076] [ 2276.917668][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2276.918223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2276.918223][ T1076] netdev_get_by_index+0x5e/0x80 [ 2276.918223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2276.918223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2276.918223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2276.918223][ T1076] ipv6_add_addr+0x411/0x2000 [ 2276.918223][ T1076] inet6_addr_add+0x30e/0xa40 [ 2276.918223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.918223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.918223][ T1076] netlink_rcv_skb+0x130/0x360 [ 2276.918223][ T1076] netlink_unicast+0x449/0x710 [ 2276.918223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2276.918223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2276.918223][ T1076] ___sys_sendmsg+0xee/0x170 [ 2276.918223][ T1076] __sys_sendmsg+0xcd/0x170 [ 2276.918223][ T1076] do_syscall_64+0xc6/0x1e0 [ 2276.918223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.918223][ T1076] [ 2276.920957][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2276.920957][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2276.920957][ T1076] ipv6_find_idev+0x102/0x170 [ 2276.920957][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.920957][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.920957][ T1076] netlink_rcv_skb+0x130/0x360 [ 2276.920957][ T1076] netlink_unicast+0x449/0x710 [ 2276.920957][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2276.920957][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2276.920957][ T1076] ___sys_sendmsg+0xee/0x170 [ 2276.920957][ T1076] __sys_sendmsg+0xcd/0x170 [ 2276.920957][ T1076] do_syscall_64+0xc6/0x1e0 [ 2276.920957][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.920957][ T1076] [ 2276.922713][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2276.922713][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2276.922713][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2276.922713][ T1076] ipv6_find_idev+0x102/0x170 [ 2276.922713][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.922713][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.922713][ T1076] netlink_rcv_skb+0x130/0x360 [ 2276.922713][ T1076] netlink_unicast+0x449/0x710 [ 2276.922713][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2276.922713][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2276.922713][ T1076] ___sys_sendmsg+0xee/0x170 [ 2276.922713][ T1076] __sys_sendmsg+0xcd/0x170 [ 2276.922713][ T1076] do_syscall_64+0xc6/0x1e0 [ 2276.922713][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.922713][ T1076] [ 2286.925651][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2286.926186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2286.926186][ T1076] netdev_get_by_index+0x5e/0x80 [ 2286.926186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2286.926186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2286.926186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2286.926186][ T1076] ipv6_add_addr+0x411/0x2000 [ 2286.926186][ T1076] inet6_addr_add+0x30e/0xa40 [ 2286.926186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2286.926186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.926186][ T1076] netlink_rcv_skb+0x130/0x360 [ 2286.926186][ T1076] netlink_unicast+0x449/0x710 [ 2286.926186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2286.926186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2286.926186][ T1076] ___sys_sendmsg+0xee/0x170 [ 2286.926186][ T1076] __sys_sendmsg+0xcd/0x170 [ 2286.926186][ T1076] do_syscall_64+0xc6/0x1e0 [ 2286.926186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.926186][ T1076] [ 2286.928463][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2286.928463][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2286.928463][ T1076] ipv6_find_idev+0x102/0x170 [ 2286.928463][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2286.928463][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.928463][ T1076] netlink_rcv_skb+0x130/0x360 [ 2286.928463][ T1076] netlink_unicast+0x449/0x710 [ 2286.928463][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2286.928463][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2286.928463][ T1076] ___sys_sendmsg+0xee/0x170 [ 2286.928463][ T1076] __sys_sendmsg+0xcd/0x170 [ 2286.928463][ T1076] do_syscall_64+0xc6/0x1e0 [ 2286.928463][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.928463][ T1076] [ 2286.930208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2286.930208][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2286.930208][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2286.930208][ T1076] ipv6_find_idev+0x102/0x170 [ 2286.930208][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2286.930208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.930208][ T1076] netlink_rcv_skb+0x130/0x360 [ 2286.930208][ T1076] netlink_unicast+0x449/0x710 [ 2286.930208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2286.930208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2286.930208][ T1076] ___sys_sendmsg+0xee/0x170 [ 2286.930208][ T1076] __sys_sendmsg+0xcd/0x170 [ 2286.930208][ T1076] do_syscall_64+0xc6/0x1e0 [ 2286.930208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.930208][ T1076] [ 2297.173750][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2297.174331][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2297.174331][ T1076] netdev_get_by_index+0x5e/0x80 [ 2297.174331][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2297.174331][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2297.174331][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2297.174331][ T1076] ipv6_add_addr+0x411/0x2000 [ 2297.174331][ T1076] inet6_addr_add+0x30e/0xa40 [ 2297.174331][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.174331][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.174331][ T1076] netlink_rcv_skb+0x130/0x360 [ 2297.174331][ T1076] netlink_unicast+0x449/0x710 [ 2297.174331][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2297.174331][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2297.174331][ T1076] ___sys_sendmsg+0xee/0x170 [ 2297.174331][ T1076] __sys_sendmsg+0xcd/0x170 [ 2297.174331][ T1076] do_syscall_64+0xc6/0x1e0 [ 2297.174331][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.174331][ T1076] [ 2297.176610][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2297.176610][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2297.176610][ T1076] ipv6_find_idev+0x102/0x170 [ 2297.176610][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.176610][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.176610][ T1076] netlink_rcv_skb+0x130/0x360 [ 2297.176610][ T1076] netlink_unicast+0x449/0x710 [ 2297.176610][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2297.176610][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2297.176610][ T1076] ___sys_sendmsg+0xee/0x170 [ 2297.176610][ T1076] __sys_sendmsg+0xcd/0x170 [ 2297.176610][ T1076] do_syscall_64+0xc6/0x1e0 [ 2297.176610][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.176610][ T1076] [ 2297.178358][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2297.178358][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2297.178358][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2297.178358][ T1076] ipv6_find_idev+0x102/0x170 [ 2297.178358][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.178358][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.178358][ T1076] netlink_rcv_skb+0x130/0x360 [ 2297.178358][ T1076] netlink_unicast+0x449/0x710 [ 2297.178358][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2297.178358][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2297.178358][ T1076] ___sys_sendmsg+0xee/0x170 [ 2297.178358][ T1076] __sys_sendmsg+0xcd/0x170 [ 2297.178358][ T1076] do_syscall_64+0xc6/0x1e0 [ 2297.178358][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.178358][ T1076] [ 2307.421689][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2307.422249][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2307.422249][ T1076] netdev_get_by_index+0x5e/0x80 [ 2307.422249][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2307.422249][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2307.422249][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2307.422249][ T1076] ipv6_add_addr+0x411/0x2000 [ 2307.422249][ T1076] inet6_addr_add+0x30e/0xa40 [ 2307.422249][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.422249][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.422249][ T1076] netlink_rcv_skb+0x130/0x360 [ 2307.422249][ T1076] netlink_unicast+0x449/0x710 [ 2307.422249][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2307.422249][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2307.422249][ T1076] ___sys_sendmsg+0xee/0x170 [ 2307.422249][ T1076] __sys_sendmsg+0xcd/0x170 [ 2307.422249][ T1076] do_syscall_64+0xc6/0x1e0 [ 2307.422249][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.422249][ T1076] [ 2307.424539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2307.424539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2307.424539][ T1076] ipv6_find_idev+0x102/0x170 [ 2307.424539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.424539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.424539][ T1076] netlink_rcv_skb+0x130/0x360 [ 2307.424539][ T1076] netlink_unicast+0x449/0x710 [ 2307.424539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2307.424539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2307.424539][ T1076] ___sys_sendmsg+0xee/0x170 [ 2307.424539][ T1076] __sys_sendmsg+0xcd/0x170 [ 2307.424539][ T1076] do_syscall_64+0xc6/0x1e0 [ 2307.424539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.424539][ T1076] [ 2307.426275][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2307.426275][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2307.426275][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2307.426275][ T1076] ipv6_find_idev+0x102/0x170 [ 2307.426275][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.426275][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.426275][ T1076] netlink_rcv_skb+0x130/0x360 [ 2307.426275][ T1076] netlink_unicast+0x449/0x710 [ 2307.426275][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2307.426275][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2307.426275][ T1076] ___sys_sendmsg+0xee/0x170 [ 2307.426275][ T1076] __sys_sendmsg+0xcd/0x170 [ 2307.426275][ T1076] do_syscall_64+0xc6/0x1e0 [ 2307.426275][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.426275][ T1076] [ 2317.677790][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2317.678389][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2317.678389][ T1076] netdev_get_by_index+0x5e/0x80 [ 2317.678389][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2317.678389][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2317.678389][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2317.678389][ T1076] ipv6_add_addr+0x411/0x2000 [ 2317.678389][ T1076] inet6_addr_add+0x30e/0xa40 [ 2317.678389][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.678389][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.678389][ T1076] netlink_rcv_skb+0x130/0x360 [ 2317.678389][ T1076] netlink_unicast+0x449/0x710 [ 2317.678389][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2317.678389][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2317.678389][ T1076] ___sys_sendmsg+0xee/0x170 [ 2317.678389][ T1076] __sys_sendmsg+0xcd/0x170 [ 2317.678389][ T1076] do_syscall_64+0xc6/0x1e0 [ 2317.678389][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.678389][ T1076] [ 2317.680996][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2317.680996][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2317.680996][ T1076] ipv6_find_idev+0x102/0x170 [ 2317.680996][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.680996][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.680996][ T1076] netlink_rcv_skb+0x130/0x360 [ 2317.680996][ T1076] netlink_unicast+0x449/0x710 [ 2317.680996][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2317.680996][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2317.680996][ T1076] ___sys_sendmsg+0xee/0x170 [ 2317.680996][ T1076] __sys_sendmsg+0xcd/0x170 [ 2317.680996][ T1076] do_syscall_64+0xc6/0x1e0 [ 2317.680996][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.680996][ T1076] [ 2317.683000][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2317.683000][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2317.683000][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2317.683000][ T1076] ipv6_find_idev+0x102/0x170 [ 2317.683000][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.683000][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.683000][ T1076] netlink_rcv_skb+0x130/0x360 [ 2317.683000][ T1076] netlink_unicast+0x449/0x710 [ 2317.683000][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2317.683000][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2317.683000][ T1076] ___sys_sendmsg+0xee/0x170 [ 2317.683000][ T1076] __sys_sendmsg+0xcd/0x170 [ 2317.683000][ T1076] do_syscall_64+0xc6/0x1e0 [ 2317.683000][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.683000][ T1076] [ 2327.701740][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2327.702223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2327.702223][ T1076] netdev_get_by_index+0x5e/0x80 [ 2327.702223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2327.702223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2327.702223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2327.702223][ T1076] ipv6_add_addr+0x411/0x2000 [ 2327.702223][ T1076] inet6_addr_add+0x30e/0xa40 [ 2327.702223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.702223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.702223][ T1076] netlink_rcv_skb+0x130/0x360 [ 2327.702223][ T1076] netlink_unicast+0x449/0x710 [ 2327.702223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2327.702223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2327.702223][ T1076] ___sys_sendmsg+0xee/0x170 [ 2327.702223][ T1076] __sys_sendmsg+0xcd/0x170 [ 2327.702223][ T1076] do_syscall_64+0xc6/0x1e0 [ 2327.702223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.702223][ T1076] [ 2327.704686][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2327.704686][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2327.704686][ T1076] ipv6_find_idev+0x102/0x170 [ 2327.704686][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2327.704686][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.704686][ T1076] netlink_rcv_skb+0x130/0x360 [ 2327.704686][ T1076] netlink_unicast+0x449/0x710 [ 2327.704686][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2327.704686][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2327.704686][ T1076] ___sys_sendmsg+0xee/0x170 [ 2327.704686][ T1076] __sys_sendmsg+0xcd/0x170 [ 2327.704686][ T1076] do_syscall_64+0xc6/0x1e0 [ 2327.704686][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.704686][ T1076] [ 2327.706548][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2327.706548][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2327.706548][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2327.706548][ T1076] ipv6_find_idev+0x102/0x170 [ 2327.706548][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2327.706548][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.706548][ T1076] netlink_rcv_skb+0x130/0x360 [ 2327.706548][ T1076] netlink_unicast+0x449/0x710 [ 2327.706548][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2327.706548][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2327.706548][ T1076] ___sys_sendmsg+0xee/0x170 [ 2327.706548][ T1076] __sys_sendmsg+0xcd/0x170 [ 2327.706548][ T1076] do_syscall_64+0xc6/0x1e0 [ 2327.706548][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.706548][ T1076] [ 2337.885713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2337.886241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2337.886241][ T1076] netdev_get_by_index+0x5e/0x80 [ 2337.886241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2337.886241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2337.886241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2337.886241][ T1076] ipv6_add_addr+0x411/0x2000 [ 2337.886241][ T1076] inet6_addr_add+0x30e/0xa40 [ 2337.886241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.886241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.886241][ T1076] netlink_rcv_skb+0x130/0x360 [ 2337.886241][ T1076] netlink_unicast+0x449/0x710 [ 2337.886241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2337.886241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2337.886241][ T1076] ___sys_sendmsg+0xee/0x170 [ 2337.886241][ T1076] __sys_sendmsg+0xcd/0x170 [ 2337.886241][ T1076] do_syscall_64+0xc6/0x1e0 [ 2337.886241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.886241][ T1076] [ 2337.888533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2337.888533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2337.888533][ T1076] ipv6_find_idev+0x102/0x170 [ 2337.888533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2337.888533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.888533][ T1076] netlink_rcv_skb+0x130/0x360 [ 2337.888533][ T1076] netlink_unicast+0x449/0x710 [ 2337.888533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2337.888533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2337.888533][ T1076] ___sys_sendmsg+0xee/0x170 [ 2337.888533][ T1076] __sys_sendmsg+0xcd/0x170 [ 2337.888533][ T1076] do_syscall_64+0xc6/0x1e0 [ 2337.888533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.888533][ T1076] [ 2337.890280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2337.890280][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2337.890280][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2337.890280][ T1076] ipv6_find_idev+0x102/0x170 [ 2337.890280][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2337.890280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.890280][ T1076] netlink_rcv_skb+0x130/0x360 [ 2337.890280][ T1076] netlink_unicast+0x449/0x710 [ 2337.890280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2337.890280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2337.890280][ T1076] ___sys_sendmsg+0xee/0x170 [ 2337.890280][ T1076] __sys_sendmsg+0xcd/0x170 [ 2337.890280][ T1076] do_syscall_64+0xc6/0x1e0 [ 2337.890280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.890280][ T1076] [ 2347.989715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2347.990237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2347.990237][ T1076] netdev_get_by_index+0x5e/0x80 [ 2347.990237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2347.990237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2347.990237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2347.990237][ T1076] ipv6_add_addr+0x411/0x2000 [ 2347.990237][ T1076] inet6_addr_add+0x30e/0xa40 [ 2347.990237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2347.990237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.990237][ T1076] netlink_rcv_skb+0x130/0x360 [ 2347.990237][ T1076] netlink_unicast+0x449/0x710 [ 2347.990237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2347.990237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2347.990237][ T1076] ___sys_sendmsg+0xee/0x170 [ 2347.990237][ T1076] __sys_sendmsg+0xcd/0x170 [ 2347.990237][ T1076] do_syscall_64+0xc6/0x1e0 [ 2347.990237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.990237][ T1076] [ 2347.992547][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2347.992547][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2347.992547][ T1076] ipv6_find_idev+0x102/0x170 [ 2347.992547][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2347.992547][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.992547][ T1076] netlink_rcv_skb+0x130/0x360 [ 2347.992547][ T1076] netlink_unicast+0x449/0x710 [ 2347.992547][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2347.992547][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2347.992547][ T1076] ___sys_sendmsg+0xee/0x170 [ 2347.992547][ T1076] __sys_sendmsg+0xcd/0x170 [ 2347.992547][ T1076] do_syscall_64+0xc6/0x1e0 [ 2347.992547][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.992547][ T1076] [ 2347.994283][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2347.994283][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2347.994283][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2347.994283][ T1076] ipv6_find_idev+0x102/0x170 [ 2347.994283][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2347.994283][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.994283][ T1076] netlink_rcv_skb+0x130/0x360 [ 2347.994283][ T1076] netlink_unicast+0x449/0x710 [ 2347.994283][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2347.994283][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2347.994283][ T1076] ___sys_sendmsg+0xee/0x170 [ 2347.994283][ T1076] __sys_sendmsg+0xcd/0x170 [ 2347.994283][ T1076] do_syscall_64+0xc6/0x1e0 [ 2347.994283][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.994283][ T1076] [ 2358.165779][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2358.166363][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2358.166363][ T1076] netdev_get_by_index+0x5e/0x80 [ 2358.166363][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2358.166363][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2358.166363][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2358.166363][ T1076] ipv6_add_addr+0x411/0x2000 [ 2358.166363][ T1076] inet6_addr_add+0x30e/0xa40 [ 2358.166363][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.166363][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.166363][ T1076] netlink_rcv_skb+0x130/0x360 [ 2358.166363][ T1076] netlink_unicast+0x449/0x710 [ 2358.166363][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2358.166363][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2358.166363][ T1076] ___sys_sendmsg+0xee/0x170 [ 2358.166363][ T1076] __sys_sendmsg+0xcd/0x170 [ 2358.166363][ T1076] do_syscall_64+0xc6/0x1e0 [ 2358.166363][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.166363][ T1076] [ 2358.168625][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2358.168625][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2358.168625][ T1076] ipv6_find_idev+0x102/0x170 [ 2358.168625][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.168625][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.168625][ T1076] netlink_rcv_skb+0x130/0x360 [ 2358.168625][ T1076] netlink_unicast+0x449/0x710 [ 2358.168625][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2358.168625][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2358.168625][ T1076] ___sys_sendmsg+0xee/0x170 [ 2358.168625][ T1076] __sys_sendmsg+0xcd/0x170 [ 2358.168625][ T1076] do_syscall_64+0xc6/0x1e0 [ 2358.168625][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.168625][ T1076] [ 2358.170357][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2358.170357][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2358.170357][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2358.170357][ T1076] ipv6_find_idev+0x102/0x170 [ 2358.170357][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.170357][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.170357][ T1076] netlink_rcv_skb+0x130/0x360 [ 2358.170357][ T1076] netlink_unicast+0x449/0x710 [ 2358.170357][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2358.170357][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2358.170357][ T1076] ___sys_sendmsg+0xee/0x170 [ 2358.170357][ T1076] __sys_sendmsg+0xcd/0x170 [ 2358.170357][ T1076] do_syscall_64+0xc6/0x1e0 [ 2358.170357][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.170357][ T1076] [ 2368.205780][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2368.206314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2368.206314][ T1076] netdev_get_by_index+0x5e/0x80 [ 2368.206314][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2368.206314][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2368.206314][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2368.206314][ T1076] ipv6_add_addr+0x411/0x2000 [ 2368.206314][ T1076] inet6_addr_add+0x30e/0xa40 [ 2368.206314][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.206314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.206314][ T1076] netlink_rcv_skb+0x130/0x360 [ 2368.206314][ T1076] netlink_unicast+0x449/0x710 [ 2368.206314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2368.206314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2368.206314][ T1076] ___sys_sendmsg+0xee/0x170 [ 2368.206314][ T1076] __sys_sendmsg+0xcd/0x170 [ 2368.206314][ T1076] do_syscall_64+0xc6/0x1e0 [ 2368.206314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.206314][ T1076] [ 2368.208580][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2368.208580][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2368.208580][ T1076] ipv6_find_idev+0x102/0x170 [ 2368.208580][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2368.208580][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.208580][ T1076] netlink_rcv_skb+0x130/0x360 [ 2368.208580][ T1076] netlink_unicast+0x449/0x710 [ 2368.208580][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2368.208580][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2368.208580][ T1076] ___sys_sendmsg+0xee/0x170 [ 2368.208580][ T1076] __sys_sendmsg+0xcd/0x170 [ 2368.208580][ T1076] do_syscall_64+0xc6/0x1e0 [ 2368.208580][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.208580][ T1076] [ 2368.210319][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2368.210319][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2368.210319][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2368.210319][ T1076] ipv6_find_idev+0x102/0x170 [ 2368.210319][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2368.210319][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.210319][ T1076] netlink_rcv_skb+0x130/0x360 [ 2368.210319][ T1076] netlink_unicast+0x449/0x710 [ 2368.210319][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2368.210319][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2368.210319][ T1076] ___sys_sendmsg+0xee/0x170 [ 2368.210319][ T1076] __sys_sendmsg+0xcd/0x170 [ 2368.210319][ T1076] do_syscall_64+0xc6/0x1e0 [ 2368.210319][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.210319][ T1076] [ 2378.349670][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2378.350198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2378.350198][ T1076] netdev_get_by_index+0x5e/0x80 [ 2378.350198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2378.350198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2378.350198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2378.350198][ T1076] ipv6_add_addr+0x411/0x2000 [ 2378.350198][ T1076] inet6_addr_add+0x30e/0xa40 [ 2378.350198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.350198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.350198][ T1076] netlink_rcv_skb+0x130/0x360 [ 2378.350198][ T1076] netlink_unicast+0x449/0x710 [ 2378.350198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2378.350198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2378.350198][ T1076] ___sys_sendmsg+0xee/0x170 [ 2378.350198][ T1076] __sys_sendmsg+0xcd/0x170 [ 2378.350198][ T1076] do_syscall_64+0xc6/0x1e0 [ 2378.350198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.350198][ T1076] [ 2378.352469][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2378.352469][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2378.352469][ T1076] ipv6_find_idev+0x102/0x170 [ 2378.352469][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2378.352469][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.352469][ T1076] netlink_rcv_skb+0x130/0x360 [ 2378.352469][ T1076] netlink_unicast+0x449/0x710 [ 2378.352469][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2378.352469][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2378.352469][ T1076] ___sys_sendmsg+0xee/0x170 [ 2378.352469][ T1076] __sys_sendmsg+0xcd/0x170 [ 2378.352469][ T1076] do_syscall_64+0xc6/0x1e0 [ 2378.352469][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.352469][ T1076] [ 2378.354208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2378.354208][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2378.354208][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2378.354208][ T1076] ipv6_find_idev+0x102/0x170 [ 2378.354208][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2378.354208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.354208][ T1076] netlink_rcv_skb+0x130/0x360 [ 2378.354208][ T1076] netlink_unicast+0x449/0x710 [ 2378.354208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2378.354208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2378.354208][ T1076] ___sys_sendmsg+0xee/0x170 [ 2378.354208][ T1076] __sys_sendmsg+0xcd/0x170 [ 2378.354208][ T1076] do_syscall_64+0xc6/0x1e0 [ 2378.354208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.354208][ T1076] [ 2388.597718][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2388.598244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2388.598244][ T1076] netdev_get_by_index+0x5e/0x80 [ 2388.598244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2388.598244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2388.598244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2388.598244][ T1076] ipv6_add_addr+0x411/0x2000 [ 2388.598244][ T1076] inet6_addr_add+0x30e/0xa40 [ 2388.598244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.598244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.598244][ T1076] netlink_rcv_skb+0x130/0x360 [ 2388.598244][ T1076] netlink_unicast+0x449/0x710 [ 2388.598244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2388.598244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2388.598244][ T1076] ___sys_sendmsg+0xee/0x170 [ 2388.598244][ T1076] __sys_sendmsg+0xcd/0x170 [ 2388.598244][ T1076] do_syscall_64+0xc6/0x1e0 [ 2388.598244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.598244][ T1076] [ 2388.600548][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2388.600548][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2388.600548][ T1076] ipv6_find_idev+0x102/0x170 [ 2388.600548][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2388.600548][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.600548][ T1076] netlink_rcv_skb+0x130/0x360 [ 2388.600548][ T1076] netlink_unicast+0x449/0x710 [ 2388.600548][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2388.600548][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2388.600548][ T1076] ___sys_sendmsg+0xee/0x170 [ 2388.600548][ T1076] __sys_sendmsg+0xcd/0x170 [ 2388.600548][ T1076] do_syscall_64+0xc6/0x1e0 [ 2388.600548][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.600548][ T1076] [ 2388.602279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2388.602279][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2388.602279][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2388.602279][ T1076] ipv6_find_idev+0x102/0x170 [ 2388.602279][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2388.602279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.602279][ T1076] netlink_rcv_skb+0x130/0x360 [ 2388.602279][ T1076] netlink_unicast+0x449/0x710 [ 2388.602279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2388.602279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2388.602279][ T1076] ___sys_sendmsg+0xee/0x170 [ 2388.602279][ T1076] __sys_sendmsg+0xcd/0x170 [ 2388.602279][ T1076] do_syscall_64+0xc6/0x1e0 [ 2388.602279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.602279][ T1076] [ 2398.685696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2398.686252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2398.686252][ T1076] netdev_get_by_index+0x5e/0x80 [ 2398.686252][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2398.686252][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2398.686252][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2398.686252][ T1076] ipv6_add_addr+0x411/0x2000 [ 2398.686252][ T1076] inet6_addr_add+0x30e/0xa40 [ 2398.686252][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2398.686252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.686252][ T1076] netlink_rcv_skb+0x130/0x360 [ 2398.686252][ T1076] netlink_unicast+0x449/0x710 [ 2398.686252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2398.686252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2398.686252][ T1076] ___sys_sendmsg+0xee/0x170 [ 2398.686252][ T1076] __sys_sendmsg+0xcd/0x170 [ 2398.686252][ T1076] do_syscall_64+0xc6/0x1e0 [ 2398.686252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.686252][ T1076] [ 2398.688641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2398.688641][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2398.688641][ T1076] ipv6_find_idev+0x102/0x170 [ 2398.688641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2398.688641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.688641][ T1076] netlink_rcv_skb+0x130/0x360 [ 2398.688641][ T1076] netlink_unicast+0x449/0x710 [ 2398.688641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2398.688641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2398.688641][ T1076] ___sys_sendmsg+0xee/0x170 [ 2398.688641][ T1076] __sys_sendmsg+0xcd/0x170 [ 2398.688641][ T1076] do_syscall_64+0xc6/0x1e0 [ 2398.688641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.688641][ T1076] [ 2398.690493][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2398.690493][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2398.690493][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2398.690493][ T1076] ipv6_find_idev+0x102/0x170 [ 2398.690493][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2398.690493][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.690493][ T1076] netlink_rcv_skb+0x130/0x360 [ 2398.690493][ T1076] netlink_unicast+0x449/0x710 [ 2398.690493][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2398.690493][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2398.690493][ T1076] ___sys_sendmsg+0xee/0x170 [ 2398.690493][ T1076] __sys_sendmsg+0xcd/0x170 [ 2398.690493][ T1076] do_syscall_64+0xc6/0x1e0 [ 2398.690493][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.690493][ T1076] [ 2408.933721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2408.934273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2408.934273][ T1076] netdev_get_by_index+0x5e/0x80 [ 2408.934273][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2408.934273][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2408.934273][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2408.934273][ T1076] ipv6_add_addr+0x411/0x2000 [ 2408.934273][ T1076] inet6_addr_add+0x30e/0xa40 [ 2408.934273][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2408.934273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.934273][ T1076] netlink_rcv_skb+0x130/0x360 [ 2408.934273][ T1076] netlink_unicast+0x449/0x710 [ 2408.934273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2408.934273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2408.934273][ T1076] ___sys_sendmsg+0xee/0x170 [ 2408.934273][ T1076] __sys_sendmsg+0xcd/0x170 [ 2408.934273][ T1076] do_syscall_64+0xc6/0x1e0 [ 2408.934273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2408.934273][ T1076] [ 2408.936614][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2408.936614][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2408.936614][ T1076] ipv6_find_idev+0x102/0x170 [ 2408.936614][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2408.936614][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.936614][ T1076] netlink_rcv_skb+0x130/0x360 [ 2408.936614][ T1076] netlink_unicast+0x449/0x710 [ 2408.936614][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2408.936614][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2408.936614][ T1076] ___sys_sendmsg+0xee/0x170 [ 2408.936614][ T1076] __sys_sendmsg+0xcd/0x170 [ 2408.936614][ T1076] do_syscall_64+0xc6/0x1e0 [ 2408.936614][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2408.936614][ T1076] [ 2408.938374][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2408.938374][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2408.938374][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2408.938374][ T1076] ipv6_find_idev+0x102/0x170 [ 2408.938374][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2408.938374][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.938374][ T1076] netlink_rcv_skb+0x130/0x360 [ 2408.938374][ T1076] netlink_unicast+0x449/0x710 [ 2408.938374][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2408.938374][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2408.938374][ T1076] ___sys_sendmsg+0xee/0x170 [ 2408.938374][ T1076] __sys_sendmsg+0xcd/0x170 [ 2408.938374][ T1076] do_syscall_64+0xc6/0x1e0 [ 2408.938374][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2408.938374][ T1076] [ 2419.093758][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2419.094238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2419.094238][ T1076] netdev_get_by_index+0x5e/0x80 [ 2419.094238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2419.094238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2419.094238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2419.094238][ T1076] ipv6_add_addr+0x411/0x2000 [ 2419.094238][ T1076] inet6_addr_add+0x30e/0xa40 [ 2419.094238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.094238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.094238][ T1076] netlink_rcv_skb+0x130/0x360 [ 2419.094238][ T1076] netlink_unicast+0x449/0x710 [ 2419.094238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2419.094238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2419.094238][ T1076] ___sys_sendmsg+0xee/0x170 [ 2419.094238][ T1076] __sys_sendmsg+0xcd/0x170 [ 2419.094238][ T1076] do_syscall_64+0xc6/0x1e0 [ 2419.094238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.094238][ T1076] [ 2419.096570][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2419.096570][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2419.096570][ T1076] ipv6_find_idev+0x102/0x170 [ 2419.096570][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2419.096570][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.096570][ T1076] netlink_rcv_skb+0x130/0x360 [ 2419.096570][ T1076] netlink_unicast+0x449/0x710 [ 2419.096570][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2419.096570][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2419.096570][ T1076] ___sys_sendmsg+0xee/0x170 [ 2419.096570][ T1076] __sys_sendmsg+0xcd/0x170 [ 2419.096570][ T1076] do_syscall_64+0xc6/0x1e0 [ 2419.096570][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.096570][ T1076] [ 2419.098333][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2419.098333][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2419.098333][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2419.098333][ T1076] ipv6_find_idev+0x102/0x170 [ 2419.098333][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2419.098333][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.098333][ T1076] netlink_rcv_skb+0x130/0x360 [ 2419.098333][ T1076] netlink_unicast+0x449/0x710 [ 2419.098333][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2419.098333][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2419.098333][ T1076] ___sys_sendmsg+0xee/0x170 [ 2419.098333][ T1076] __sys_sendmsg+0xcd/0x170 [ 2419.098333][ T1076] do_syscall_64+0xc6/0x1e0 [ 2419.098333][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.098333][ T1076] [ 2429.341717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2429.342193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2429.342193][ T1076] netdev_get_by_index+0x5e/0x80 [ 2429.342193][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2429.342193][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2429.342193][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2429.342193][ T1076] ipv6_add_addr+0x411/0x2000 [ 2429.342193][ T1076] inet6_addr_add+0x30e/0xa40 [ 2429.342193][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.342193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.342193][ T1076] netlink_rcv_skb+0x130/0x360 [ 2429.342193][ T1076] netlink_unicast+0x449/0x710 [ 2429.342193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2429.342193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2429.342193][ T1076] ___sys_sendmsg+0xee/0x170 [ 2429.342193][ T1076] __sys_sendmsg+0xcd/0x170 [ 2429.342193][ T1076] do_syscall_64+0xc6/0x1e0 [ 2429.342193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.342193][ T1076] [ 2429.344494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2429.344494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2429.344494][ T1076] ipv6_find_idev+0x102/0x170 [ 2429.344494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2429.344494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.344494][ T1076] netlink_rcv_skb+0x130/0x360 [ 2429.344494][ T1076] netlink_unicast+0x449/0x710 [ 2429.344494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2429.344494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2429.344494][ T1076] ___sys_sendmsg+0xee/0x170 [ 2429.344494][ T1076] __sys_sendmsg+0xcd/0x170 [ 2429.344494][ T1076] do_syscall_64+0xc6/0x1e0 [ 2429.344494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.344494][ T1076] [ 2429.346242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2429.346242][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2429.346242][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2429.346242][ T1076] ipv6_find_idev+0x102/0x170 [ 2429.346242][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2429.346242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.346242][ T1076] netlink_rcv_skb+0x130/0x360 [ 2429.346242][ T1076] netlink_unicast+0x449/0x710 [ 2429.346242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2429.346242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2429.346242][ T1076] ___sys_sendmsg+0xee/0x170 [ 2429.346242][ T1076] __sys_sendmsg+0xcd/0x170 [ 2429.346242][ T1076] do_syscall_64+0xc6/0x1e0 [ 2429.346242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.346242][ T1076] [ 2439.445699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2439.446178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2439.446178][ T1076] netdev_get_by_index+0x5e/0x80 [ 2439.446178][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2439.446178][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2439.446178][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2439.446178][ T1076] ipv6_add_addr+0x411/0x2000 [ 2439.446178][ T1076] inet6_addr_add+0x30e/0xa40 [ 2439.446178][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.446178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.446178][ T1076] netlink_rcv_skb+0x130/0x360 [ 2439.446178][ T1076] netlink_unicast+0x449/0x710 [ 2439.446178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2439.446178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2439.446178][ T1076] ___sys_sendmsg+0xee/0x170 [ 2439.446178][ T1076] __sys_sendmsg+0xcd/0x170 [ 2439.446178][ T1076] do_syscall_64+0xc6/0x1e0 [ 2439.446178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.446178][ T1076] [ 2439.448497][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2439.448497][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2439.448497][ T1076] ipv6_find_idev+0x102/0x170 [ 2439.448497][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2439.448497][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.448497][ T1076] netlink_rcv_skb+0x130/0x360 [ 2439.448497][ T1076] netlink_unicast+0x449/0x710 [ 2439.448497][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2439.448497][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2439.448497][ T1076] ___sys_sendmsg+0xee/0x170 [ 2439.448497][ T1076] __sys_sendmsg+0xcd/0x170 [ 2439.448497][ T1076] do_syscall_64+0xc6/0x1e0 [ 2439.448497][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.448497][ T1076] [ 2439.450242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2439.450242][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2439.450242][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2439.450242][ T1076] ipv6_find_idev+0x102/0x170 [ 2439.450242][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2439.450242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.450242][ T1076] netlink_rcv_skb+0x130/0x360 [ 2439.450242][ T1076] netlink_unicast+0x449/0x710 [ 2439.450242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2439.450242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2439.450242][ T1076] ___sys_sendmsg+0xee/0x170 [ 2439.450242][ T1076] __sys_sendmsg+0xcd/0x170 [ 2439.450242][ T1076] do_syscall_64+0xc6/0x1e0 [ 2439.450242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.450242][ T1076] [ 2449.701738][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2449.702191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2449.702191][ T1076] netdev_get_by_index+0x5e/0x80 [ 2449.702191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2449.702191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2449.702191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2449.702191][ T1076] ipv6_add_addr+0x411/0x2000 [ 2449.702191][ T1076] inet6_addr_add+0x30e/0xa40 [ 2449.702191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.702191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.702191][ T1076] netlink_rcv_skb+0x130/0x360 [ 2449.702191][ T1076] netlink_unicast+0x449/0x710 [ 2449.702191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2449.702191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2449.702191][ T1076] ___sys_sendmsg+0xee/0x170 [ 2449.702191][ T1076] __sys_sendmsg+0xcd/0x170 [ 2449.702191][ T1076] do_syscall_64+0xc6/0x1e0 [ 2449.702191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.702191][ T1076] [ 2449.704470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2449.704470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2449.704470][ T1076] ipv6_find_idev+0x102/0x170 [ 2449.704470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2449.704470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.704470][ T1076] netlink_rcv_skb+0x130/0x360 [ 2449.704470][ T1076] netlink_unicast+0x449/0x710 [ 2449.704470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2449.704470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2449.704470][ T1076] ___sys_sendmsg+0xee/0x170 [ 2449.704470][ T1076] __sys_sendmsg+0xcd/0x170 [ 2449.704470][ T1076] do_syscall_64+0xc6/0x1e0 [ 2449.704470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.704470][ T1076] [ 2449.706199][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2449.706199][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2449.706199][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2449.706199][ T1076] ipv6_find_idev+0x102/0x170 [ 2449.706199][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2449.706199][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.706199][ T1076] netlink_rcv_skb+0x130/0x360 [ 2449.706199][ T1076] netlink_unicast+0x449/0x710 [ 2449.706199][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2449.706199][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2449.706199][ T1076] ___sys_sendmsg+0xee/0x170 [ 2449.706199][ T1076] __sys_sendmsg+0xcd/0x170 [ 2449.706199][ T1076] do_syscall_64+0xc6/0x1e0 [ 2449.706199][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.706199][ T1076] [ 2459.949730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2459.950190][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2459.950190][ T1076] netdev_get_by_index+0x5e/0x80 [ 2459.950190][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2459.950190][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2459.950190][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2459.950190][ T1076] ipv6_add_addr+0x411/0x2000 [ 2459.950190][ T1076] inet6_addr_add+0x30e/0xa40 [ 2459.950190][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2459.950190][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.950190][ T1076] netlink_rcv_skb+0x130/0x360 [ 2459.950190][ T1076] netlink_unicast+0x449/0x710 [ 2459.950190][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2459.950190][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2459.950190][ T1076] ___sys_sendmsg+0xee/0x170 [ 2459.950190][ T1076] __sys_sendmsg+0xcd/0x170 [ 2459.950190][ T1076] do_syscall_64+0xc6/0x1e0 [ 2459.950190][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.950190][ T1076] [ 2459.952466][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2459.952466][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2459.952466][ T1076] ipv6_find_idev+0x102/0x170 [ 2459.952466][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2459.952466][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.952466][ T1076] netlink_rcv_skb+0x130/0x360 [ 2459.952466][ T1076] netlink_unicast+0x449/0x710 [ 2459.952466][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2459.952466][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2459.952466][ T1076] ___sys_sendmsg+0xee/0x170 [ 2459.952466][ T1076] __sys_sendmsg+0xcd/0x170 [ 2459.952466][ T1076] do_syscall_64+0xc6/0x1e0 [ 2459.952466][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.952466][ T1076] [ 2459.954206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2459.954206][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2459.954206][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2459.954206][ T1076] ipv6_find_idev+0x102/0x170 [ 2459.954206][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2459.954206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.954206][ T1076] netlink_rcv_skb+0x130/0x360 [ 2459.954206][ T1076] netlink_unicast+0x449/0x710 [ 2459.954206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2459.954206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2459.954206][ T1076] ___sys_sendmsg+0xee/0x170 [ 2459.954206][ T1076] __sys_sendmsg+0xcd/0x170 [ 2459.954206][ T1076] do_syscall_64+0xc6/0x1e0 [ 2459.954206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.954206][ T1076] [ 2470.165699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2470.166162][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2470.166162][ T1076] netdev_get_by_index+0x5e/0x80 [ 2470.166162][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2470.166162][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2470.166162][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2470.166162][ T1076] ipv6_add_addr+0x411/0x2000 [ 2470.166162][ T1076] inet6_addr_add+0x30e/0xa40 [ 2470.166162][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.166162][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.166162][ T1076] netlink_rcv_skb+0x130/0x360 [ 2470.166162][ T1076] netlink_unicast+0x449/0x710 [ 2470.166162][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2470.166162][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2470.166162][ T1076] ___sys_sendmsg+0xee/0x170 [ 2470.166162][ T1076] __sys_sendmsg+0xcd/0x170 [ 2470.166162][ T1076] do_syscall_64+0xc6/0x1e0 [ 2470.166162][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.166162][ T1076] [ 2470.168434][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2470.168434][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2470.168434][ T1076] ipv6_find_idev+0x102/0x170 [ 2470.168434][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2470.168434][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.168434][ T1076] netlink_rcv_skb+0x130/0x360 [ 2470.168434][ T1076] netlink_unicast+0x449/0x710 [ 2470.168434][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2470.168434][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2470.168434][ T1076] ___sys_sendmsg+0xee/0x170 [ 2470.168434][ T1076] __sys_sendmsg+0xcd/0x170 [ 2470.168434][ T1076] do_syscall_64+0xc6/0x1e0 [ 2470.168434][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.168434][ T1076] [ 2470.170184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2470.170184][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2470.170184][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2470.170184][ T1076] ipv6_find_idev+0x102/0x170 [ 2470.170184][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2470.170184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.170184][ T1076] netlink_rcv_skb+0x130/0x360 [ 2470.170184][ T1076] netlink_unicast+0x449/0x710 [ 2470.170184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2470.170184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2470.170184][ T1076] ___sys_sendmsg+0xee/0x170 [ 2470.170184][ T1076] __sys_sendmsg+0xcd/0x170 [ 2470.170184][ T1076] do_syscall_64+0xc6/0x1e0 [ 2470.170184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.170184][ T1076] [ 2480.413853][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2480.414317][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2480.414317][ T1076] netdev_get_by_index+0x5e/0x80 [ 2480.414317][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2480.414317][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2480.414317][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2480.414317][ T1076] ipv6_add_addr+0x411/0x2000 [ 2480.414317][ T1076] inet6_addr_add+0x30e/0xa40 [ 2480.414317][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.414317][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.414317][ T1076] netlink_rcv_skb+0x130/0x360 [ 2480.414317][ T1076] netlink_unicast+0x449/0x710 [ 2480.414317][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2480.414317][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2480.414317][ T1076] ___sys_sendmsg+0xee/0x170 [ 2480.414317][ T1076] __sys_sendmsg+0xcd/0x170 [ 2480.414317][ T1076] do_syscall_64+0xc6/0x1e0 [ 2480.414317][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.414317][ T1076] [ 2480.416980][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2480.416980][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2480.416980][ T1076] ipv6_find_idev+0x102/0x170 [ 2480.416980][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2480.416980][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.416980][ T1076] netlink_rcv_skb+0x130/0x360 [ 2480.416980][ T1076] netlink_unicast+0x449/0x710 [ 2480.416980][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2480.416980][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2480.416980][ T1076] ___sys_sendmsg+0xee/0x170 [ 2480.416980][ T1076] __sys_sendmsg+0xcd/0x170 [ 2480.416980][ T1076] do_syscall_64+0xc6/0x1e0 [ 2480.416980][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.416980][ T1076] [ 2480.418736][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2480.418736][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2480.418736][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2480.418736][ T1076] ipv6_find_idev+0x102/0x170 [ 2480.418736][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2480.418736][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.418736][ T1076] netlink_rcv_skb+0x130/0x360 [ 2480.418736][ T1076] netlink_unicast+0x449/0x710 [ 2480.418736][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2480.418736][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2480.418736][ T1076] ___sys_sendmsg+0xee/0x170 [ 2480.418736][ T1076] __sys_sendmsg+0xcd/0x170 [ 2480.418736][ T1076] do_syscall_64+0xc6/0x1e0 [ 2480.418736][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.418736][ T1076] [ 2490.661770][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2490.662233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2490.662233][ T1076] netdev_get_by_index+0x5e/0x80 [ 2490.662233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2490.662233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2490.662233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2490.662233][ T1076] ipv6_add_addr+0x411/0x2000 [ 2490.662233][ T1076] inet6_addr_add+0x30e/0xa40 [ 2490.662233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.662233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.662233][ T1076] netlink_rcv_skb+0x130/0x360 [ 2490.662233][ T1076] netlink_unicast+0x449/0x710 [ 2490.662233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2490.662233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2490.662233][ T1076] ___sys_sendmsg+0xee/0x170 [ 2490.662233][ T1076] __sys_sendmsg+0xcd/0x170 [ 2490.662233][ T1076] do_syscall_64+0xc6/0x1e0 [ 2490.662233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.662233][ T1076] [ 2490.664503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2490.664503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2490.664503][ T1076] ipv6_find_idev+0x102/0x170 [ 2490.664503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2490.664503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.664503][ T1076] netlink_rcv_skb+0x130/0x360 [ 2490.664503][ T1076] netlink_unicast+0x449/0x710 [ 2490.664503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2490.664503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2490.664503][ T1076] ___sys_sendmsg+0xee/0x170 [ 2490.664503][ T1076] __sys_sendmsg+0xcd/0x170 [ 2490.664503][ T1076] do_syscall_64+0xc6/0x1e0 [ 2490.664503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.664503][ T1076] [ 2490.666230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2490.666230][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2490.666230][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2490.666230][ T1076] ipv6_find_idev+0x102/0x170 [ 2490.666230][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2490.666230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.666230][ T1076] netlink_rcv_skb+0x130/0x360 [ 2490.666230][ T1076] netlink_unicast+0x449/0x710 [ 2490.666230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2490.666230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2490.666230][ T1076] ___sys_sendmsg+0xee/0x170 [ 2490.666230][ T1076] __sys_sendmsg+0xcd/0x170 [ 2490.666230][ T1076] do_syscall_64+0xc6/0x1e0 [ 2490.666230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.666230][ T1076] [ 2500.909723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2500.910232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2500.910232][ T1076] netdev_get_by_index+0x5e/0x80 [ 2500.910232][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2500.910232][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2500.910232][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2500.910232][ T1076] ipv6_add_addr+0x411/0x2000 [ 2500.910232][ T1076] inet6_addr_add+0x30e/0xa40 [ 2500.910232][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.910232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.910232][ T1076] netlink_rcv_skb+0x130/0x360 [ 2500.910232][ T1076] netlink_unicast+0x449/0x710 [ 2500.910232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2500.910232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2500.910232][ T1076] ___sys_sendmsg+0xee/0x170 [ 2500.910232][ T1076] __sys_sendmsg+0xcd/0x170 [ 2500.910232][ T1076] do_syscall_64+0xc6/0x1e0 [ 2500.910232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.910232][ T1076] [ 2500.912510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2500.912510][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2500.912510][ T1076] ipv6_find_idev+0x102/0x170 [ 2500.912510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.912510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.912510][ T1076] netlink_rcv_skb+0x130/0x360 [ 2500.912510][ T1076] netlink_unicast+0x449/0x710 [ 2500.912510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2500.912510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2500.912510][ T1076] ___sys_sendmsg+0xee/0x170 [ 2500.912510][ T1076] __sys_sendmsg+0xcd/0x170 [ 2500.912510][ T1076] do_syscall_64+0xc6/0x1e0 [ 2500.912510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.912510][ T1076] [ 2500.914253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2500.914253][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2500.914253][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2500.914253][ T1076] ipv6_find_idev+0x102/0x170 [ 2500.914253][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.914253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.914253][ T1076] netlink_rcv_skb+0x130/0x360 [ 2500.914253][ T1076] netlink_unicast+0x449/0x710 [ 2500.914253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2500.914253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2500.914253][ T1076] ___sys_sendmsg+0xee/0x170 [ 2500.914253][ T1076] __sys_sendmsg+0xcd/0x170 [ 2500.914253][ T1076] do_syscall_64+0xc6/0x1e0 [ 2500.914253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.914253][ T1076] [ 2510.941688][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2510.942142][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2510.942142][ T1076] netdev_get_by_index+0x5e/0x80 [ 2510.942142][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2510.942142][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2510.942142][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2510.942142][ T1076] ipv6_add_addr+0x411/0x2000 [ 2510.942142][ T1076] inet6_addr_add+0x30e/0xa40 [ 2510.942142][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.942142][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.942142][ T1076] netlink_rcv_skb+0x130/0x360 [ 2510.942142][ T1076] netlink_unicast+0x449/0x710 [ 2510.942142][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2510.942142][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2510.942142][ T1076] ___sys_sendmsg+0xee/0x170 [ 2510.942142][ T1076] __sys_sendmsg+0xcd/0x170 [ 2510.942142][ T1076] do_syscall_64+0xc6/0x1e0 [ 2510.942142][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.942142][ T1076] [ 2510.944425][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2510.944425][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2510.944425][ T1076] ipv6_find_idev+0x102/0x170 [ 2510.944425][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.944425][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.944425][ T1076] netlink_rcv_skb+0x130/0x360 [ 2510.944425][ T1076] netlink_unicast+0x449/0x710 [ 2510.944425][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2510.944425][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2510.944425][ T1076] ___sys_sendmsg+0xee/0x170 [ 2510.944425][ T1076] __sys_sendmsg+0xcd/0x170 [ 2510.944425][ T1076] do_syscall_64+0xc6/0x1e0 [ 2510.944425][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.944425][ T1076] [ 2510.946166][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2510.946166][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2510.946166][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2510.946166][ T1076] ipv6_find_idev+0x102/0x170 [ 2510.946166][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.946166][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.946166][ T1076] netlink_rcv_skb+0x130/0x360 [ 2510.946166][ T1076] netlink_unicast+0x449/0x710 [ 2510.946166][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2510.946166][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2510.946166][ T1076] ___sys_sendmsg+0xee/0x170 [ 2510.946166][ T1076] __sys_sendmsg+0xcd/0x170 [ 2510.946166][ T1076] do_syscall_64+0xc6/0x1e0 [ 2510.946166][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.946166][ T1076] [ 2521.141712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2521.142173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2521.142173][ T1076] netdev_get_by_index+0x5e/0x80 [ 2521.142173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2521.142173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2521.142173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2521.142173][ T1076] ipv6_add_addr+0x411/0x2000 [ 2521.142173][ T1076] inet6_addr_add+0x30e/0xa40 [ 2521.142173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.142173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.142173][ T1076] netlink_rcv_skb+0x130/0x360 [ 2521.142173][ T1076] netlink_unicast+0x449/0x710 [ 2521.142173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2521.142173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2521.142173][ T1076] ___sys_sendmsg+0xee/0x170 [ 2521.142173][ T1076] __sys_sendmsg+0xcd/0x170 [ 2521.142173][ T1076] do_syscall_64+0xc6/0x1e0 [ 2521.142173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.142173][ T1076] [ 2521.144420][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2521.144420][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2521.144420][ T1076] ipv6_find_idev+0x102/0x170 [ 2521.144420][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2521.144420][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.144420][ T1076] netlink_rcv_skb+0x130/0x360 [ 2521.144420][ T1076] netlink_unicast+0x449/0x710 [ 2521.144420][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2521.144420][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2521.144420][ T1076] ___sys_sendmsg+0xee/0x170 [ 2521.144420][ T1076] __sys_sendmsg+0xcd/0x170 [ 2521.144420][ T1076] do_syscall_64+0xc6/0x1e0 [ 2521.144420][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.144420][ T1076] [ 2521.146185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2521.146185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2521.146185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2521.146185][ T1076] ipv6_find_idev+0x102/0x170 [ 2521.146185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2521.146185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.146185][ T1076] netlink_rcv_skb+0x130/0x360 [ 2521.146185][ T1076] netlink_unicast+0x449/0x710 [ 2521.146185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2521.146185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2521.146185][ T1076] ___sys_sendmsg+0xee/0x170 [ 2521.146185][ T1076] __sys_sendmsg+0xcd/0x170 [ 2521.146185][ T1076] do_syscall_64+0xc6/0x1e0 [ 2521.146185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.146185][ T1076] [ 2531.293774][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2531.294327][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2531.294327][ T1076] netdev_get_by_index+0x5e/0x80 [ 2531.294327][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2531.294327][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2531.294327][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2531.294327][ T1076] ipv6_add_addr+0x411/0x2000 [ 2531.294327][ T1076] inet6_addr_add+0x30e/0xa40 [ 2531.294327][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2531.294327][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.294327][ T1076] netlink_rcv_skb+0x130/0x360 [ 2531.294327][ T1076] netlink_unicast+0x449/0x710 [ 2531.294327][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2531.294327][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2531.294327][ T1076] ___sys_sendmsg+0xee/0x170 [ 2531.294327][ T1076] __sys_sendmsg+0xcd/0x170 [ 2531.294327][ T1076] do_syscall_64+0xc6/0x1e0 [ 2531.294327][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.294327][ T1076] [ 2531.296591][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2531.296591][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2531.296591][ T1076] ipv6_find_idev+0x102/0x170 [ 2531.296591][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2531.296591][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.296591][ T1076] netlink_rcv_skb+0x130/0x360 [ 2531.296591][ T1076] netlink_unicast+0x449/0x710 [ 2531.296591][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2531.296591][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2531.296591][ T1076] ___sys_sendmsg+0xee/0x170 [ 2531.296591][ T1076] __sys_sendmsg+0xcd/0x170 [ 2531.296591][ T1076] do_syscall_64+0xc6/0x1e0 [ 2531.296591][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.296591][ T1076] [ 2531.298320][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2531.298320][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2531.298320][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2531.298320][ T1076] ipv6_find_idev+0x102/0x170 [ 2531.298320][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2531.298320][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.298320][ T1076] netlink_rcv_skb+0x130/0x360 [ 2531.298320][ T1076] netlink_unicast+0x449/0x710 [ 2531.298320][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2531.298320][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2531.298320][ T1076] ___sys_sendmsg+0xee/0x170 [ 2531.298320][ T1076] __sys_sendmsg+0xcd/0x170 [ 2531.298320][ T1076] do_syscall_64+0xc6/0x1e0 [ 2531.298320][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.298320][ T1076] [ 2541.357735][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2541.358187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2541.358187][ T1076] netdev_get_by_index+0x5e/0x80 [ 2541.358187][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2541.358187][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2541.358187][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2541.358187][ T1076] ipv6_add_addr+0x411/0x2000 [ 2541.358187][ T1076] inet6_addr_add+0x30e/0xa40 [ 2541.358187][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.358187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.358187][ T1076] netlink_rcv_skb+0x130/0x360 [ 2541.358187][ T1076] netlink_unicast+0x449/0x710 [ 2541.358187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2541.358187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2541.358187][ T1076] ___sys_sendmsg+0xee/0x170 [ 2541.358187][ T1076] __sys_sendmsg+0xcd/0x170 [ 2541.358187][ T1076] do_syscall_64+0xc6/0x1e0 [ 2541.358187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.358187][ T1076] [ 2541.360453][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2541.360453][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2541.360453][ T1076] ipv6_find_idev+0x102/0x170 [ 2541.360453][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.360453][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.360453][ T1076] netlink_rcv_skb+0x130/0x360 [ 2541.360453][ T1076] netlink_unicast+0x449/0x710 [ 2541.360453][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2541.360453][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2541.360453][ T1076] ___sys_sendmsg+0xee/0x170 [ 2541.360453][ T1076] __sys_sendmsg+0xcd/0x170 [ 2541.360453][ T1076] do_syscall_64+0xc6/0x1e0 [ 2541.360453][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.360453][ T1076] [ 2541.362198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2541.362198][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2541.362198][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2541.362198][ T1076] ipv6_find_idev+0x102/0x170 [ 2541.362198][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.362198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.362198][ T1076] netlink_rcv_skb+0x130/0x360 [ 2541.362198][ T1076] netlink_unicast+0x449/0x710 [ 2541.362198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2541.362198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2541.362198][ T1076] ___sys_sendmsg+0xee/0x170 [ 2541.362198][ T1076] __sys_sendmsg+0xcd/0x170 [ 2541.362198][ T1076] do_syscall_64+0xc6/0x1e0 [ 2541.362198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.362198][ T1076] [ 2551.605753][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2551.606206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2551.606206][ T1076] netdev_get_by_index+0x5e/0x80 [ 2551.606206][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2551.606206][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2551.606206][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2551.606206][ T1076] ipv6_add_addr+0x411/0x2000 [ 2551.606206][ T1076] inet6_addr_add+0x30e/0xa40 [ 2551.606206][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.606206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.606206][ T1076] netlink_rcv_skb+0x130/0x360 [ 2551.606206][ T1076] netlink_unicast+0x449/0x710 [ 2551.606206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2551.606206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2551.606206][ T1076] ___sys_sendmsg+0xee/0x170 [ 2551.606206][ T1076] __sys_sendmsg+0xcd/0x170 [ 2551.606206][ T1076] do_syscall_64+0xc6/0x1e0 [ 2551.606206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.606206][ T1076] [ 2551.608488][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2551.608488][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2551.608488][ T1076] ipv6_find_idev+0x102/0x170 [ 2551.608488][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.608488][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.608488][ T1076] netlink_rcv_skb+0x130/0x360 [ 2551.608488][ T1076] netlink_unicast+0x449/0x710 [ 2551.608488][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2551.608488][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2551.608488][ T1076] ___sys_sendmsg+0xee/0x170 [ 2551.608488][ T1076] __sys_sendmsg+0xcd/0x170 [ 2551.608488][ T1076] do_syscall_64+0xc6/0x1e0 [ 2551.608488][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.608488][ T1076] [ 2551.610227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2551.610227][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2551.610227][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2551.610227][ T1076] ipv6_find_idev+0x102/0x170 [ 2551.610227][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.610227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.610227][ T1076] netlink_rcv_skb+0x130/0x360 [ 2551.610227][ T1076] netlink_unicast+0x449/0x710 [ 2551.610227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2551.610227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2551.610227][ T1076] ___sys_sendmsg+0xee/0x170 [ 2551.610227][ T1076] __sys_sendmsg+0xcd/0x170 [ 2551.610227][ T1076] do_syscall_64+0xc6/0x1e0 [ 2551.610227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.610227][ T1076] [ 2561.853666][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2561.854402][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2561.854402][ T1076] netdev_get_by_index+0x5e/0x80 [ 2561.854402][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2561.854402][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2561.854402][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2561.854402][ T1076] ipv6_add_addr+0x411/0x2000 [ 2561.854402][ T1076] inet6_addr_add+0x30e/0xa40 [ 2561.854402][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.854402][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.854402][ T1076] netlink_rcv_skb+0x130/0x360 [ 2561.854402][ T1076] netlink_unicast+0x449/0x710 [ 2561.854402][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2561.854402][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2561.854402][ T1076] ___sys_sendmsg+0xee/0x170 [ 2561.854402][ T1076] __sys_sendmsg+0xcd/0x170 [ 2561.854402][ T1076] do_syscall_64+0xc6/0x1e0 [ 2561.854402][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.854402][ T1076] [ 2561.859074][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2561.859074][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2561.859074][ T1076] ipv6_find_idev+0x102/0x170 [ 2561.859074][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.859074][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.859074][ T1076] netlink_rcv_skb+0x130/0x360 [ 2561.859074][ T1076] netlink_unicast+0x449/0x710 [ 2561.859074][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2561.859074][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2561.859074][ T1076] ___sys_sendmsg+0xee/0x170 [ 2561.859074][ T1076] __sys_sendmsg+0xcd/0x170 [ 2561.859074][ T1076] do_syscall_64+0xc6/0x1e0 [ 2561.859074][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.859074][ T1076] [ 2561.863227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2561.863227][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2561.863227][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2561.863227][ T1076] ipv6_find_idev+0x102/0x170 [ 2561.863227][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.863227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.863227][ T1076] netlink_rcv_skb+0x130/0x360 [ 2561.863227][ T1076] netlink_unicast+0x449/0x710 [ 2561.863227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2561.863227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2561.863227][ T1076] ___sys_sendmsg+0xee/0x170 [ 2561.863227][ T1076] __sys_sendmsg+0xcd/0x170 [ 2561.863227][ T1076] do_syscall_64+0xc6/0x1e0 [ 2561.863227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.863227][ T1076] [ 2572.109773][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2572.110372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2572.110372][ T1076] netdev_get_by_index+0x5e/0x80 [ 2572.110372][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2572.110372][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2572.110372][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2572.110372][ T1076] ipv6_add_addr+0x411/0x2000 [ 2572.110372][ T1076] inet6_addr_add+0x30e/0xa40 [ 2572.110372][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2572.110372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.110372][ T1076] netlink_rcv_skb+0x130/0x360 [ 2572.110372][ T1076] netlink_unicast+0x449/0x710 [ 2572.110372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2572.110372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2572.110372][ T1076] ___sys_sendmsg+0xee/0x170 [ 2572.110372][ T1076] __sys_sendmsg+0xcd/0x170 [ 2572.110372][ T1076] do_syscall_64+0xc6/0x1e0 [ 2572.110372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.110372][ T1076] [ 2572.114595][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2572.114595][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2572.114595][ T1076] ipv6_find_idev+0x102/0x170 [ 2572.114595][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2572.114595][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.114595][ T1076] netlink_rcv_skb+0x130/0x360 [ 2572.114595][ T1076] netlink_unicast+0x449/0x710 [ 2572.114595][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2572.114595][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2572.114595][ T1076] ___sys_sendmsg+0xee/0x170 [ 2572.114595][ T1076] __sys_sendmsg+0xcd/0x170 [ 2572.114595][ T1076] do_syscall_64+0xc6/0x1e0 [ 2572.114595][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.114595][ T1076] [ 2572.117806][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2572.117806][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2572.117806][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2572.117806][ T1076] ipv6_find_idev+0x102/0x170 [ 2572.117806][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2572.117806][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.117806][ T1076] netlink_rcv_skb+0x130/0x360 [ 2572.117806][ T1076] netlink_unicast+0x449/0x710 [ 2572.117806][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2572.117806][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2572.117806][ T1076] ___sys_sendmsg+0xee/0x170 [ 2572.117806][ T1076] __sys_sendmsg+0xcd/0x170 [ 2572.117806][ T1076] do_syscall_64+0xc6/0x1e0 [ 2572.117806][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.117806][ T1076] [ 2582.261713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2582.262181][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2582.262181][ T1076] netdev_get_by_index+0x5e/0x80 [ 2582.262181][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2582.262181][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2582.262181][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2582.262181][ T1076] ipv6_add_addr+0x411/0x2000 [ 2582.262181][ T1076] inet6_addr_add+0x30e/0xa40 [ 2582.262181][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.262181][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.262181][ T1076] netlink_rcv_skb+0x130/0x360 [ 2582.262181][ T1076] netlink_unicast+0x449/0x710 [ 2582.262181][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2582.262181][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2582.262181][ T1076] ___sys_sendmsg+0xee/0x170 [ 2582.262181][ T1076] __sys_sendmsg+0xcd/0x170 [ 2582.262181][ T1076] do_syscall_64+0xc6/0x1e0 [ 2582.262181][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.262181][ T1076] [ 2582.264478][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2582.264478][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2582.264478][ T1076] ipv6_find_idev+0x102/0x170 [ 2582.264478][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.264478][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.264478][ T1076] netlink_rcv_skb+0x130/0x360 [ 2582.264478][ T1076] netlink_unicast+0x449/0x710 [ 2582.264478][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2582.264478][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2582.264478][ T1076] ___sys_sendmsg+0xee/0x170 [ 2582.264478][ T1076] __sys_sendmsg+0xcd/0x170 [ 2582.264478][ T1076] do_syscall_64+0xc6/0x1e0 [ 2582.264478][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.264478][ T1076] [ 2582.266239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2582.266239][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2582.266239][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2582.266239][ T1076] ipv6_find_idev+0x102/0x170 [ 2582.266239][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.266239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.266239][ T1076] netlink_rcv_skb+0x130/0x360 [ 2582.266239][ T1076] netlink_unicast+0x449/0x710 [ 2582.266239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2582.266239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2582.266239][ T1076] ___sys_sendmsg+0xee/0x170 [ 2582.266239][ T1076] __sys_sendmsg+0xcd/0x170 [ 2582.266239][ T1076] do_syscall_64+0xc6/0x1e0 [ 2582.266239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.266239][ T1076] [ 2592.509700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2592.510186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2592.510186][ T1076] netdev_get_by_index+0x5e/0x80 [ 2592.510186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2592.510186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2592.510186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2592.510186][ T1076] ipv6_add_addr+0x411/0x2000 [ 2592.510186][ T1076] inet6_addr_add+0x30e/0xa40 [ 2592.510186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.510186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.510186][ T1076] netlink_rcv_skb+0x130/0x360 [ 2592.510186][ T1076] netlink_unicast+0x449/0x710 [ 2592.510186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2592.510186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2592.510186][ T1076] ___sys_sendmsg+0xee/0x170 [ 2592.510186][ T1076] __sys_sendmsg+0xcd/0x170 [ 2592.510186][ T1076] do_syscall_64+0xc6/0x1e0 [ 2592.510186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.510186][ T1076] [ 2592.512523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2592.512523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2592.512523][ T1076] ipv6_find_idev+0x102/0x170 [ 2592.512523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.512523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.512523][ T1076] netlink_rcv_skb+0x130/0x360 [ 2592.512523][ T1076] netlink_unicast+0x449/0x710 [ 2592.512523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2592.512523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2592.512523][ T1076] ___sys_sendmsg+0xee/0x170 [ 2592.512523][ T1076] __sys_sendmsg+0xcd/0x170 [ 2592.512523][ T1076] do_syscall_64+0xc6/0x1e0 [ 2592.512523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.512523][ T1076] [ 2592.514268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2592.514268][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2592.514268][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2592.514268][ T1076] ipv6_find_idev+0x102/0x170 [ 2592.514268][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.514268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.514268][ T1076] netlink_rcv_skb+0x130/0x360 [ 2592.514268][ T1076] netlink_unicast+0x449/0x710 [ 2592.514268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2592.514268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2592.514268][ T1076] ___sys_sendmsg+0xee/0x170 [ 2592.514268][ T1076] __sys_sendmsg+0xcd/0x170 [ 2592.514268][ T1076] do_syscall_64+0xc6/0x1e0 [ 2592.514268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.514268][ T1076] [ 2602.605769][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2602.606267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2602.606267][ T1076] netdev_get_by_index+0x5e/0x80 [ 2602.606267][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2602.606267][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2602.606267][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2602.606267][ T1076] ipv6_add_addr+0x411/0x2000 [ 2602.606267][ T1076] inet6_addr_add+0x30e/0xa40 [ 2602.606267][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.606267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.606267][ T1076] netlink_rcv_skb+0x130/0x360 [ 2602.606267][ T1076] netlink_unicast+0x449/0x710 [ 2602.606267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2602.606267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2602.606267][ T1076] ___sys_sendmsg+0xee/0x170 [ 2602.606267][ T1076] __sys_sendmsg+0xcd/0x170 [ 2602.606267][ T1076] do_syscall_64+0xc6/0x1e0 [ 2602.606267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.606267][ T1076] [ 2602.608555][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2602.608555][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2602.608555][ T1076] ipv6_find_idev+0x102/0x170 [ 2602.608555][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.608555][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.608555][ T1076] netlink_rcv_skb+0x130/0x360 [ 2602.608555][ T1076] netlink_unicast+0x449/0x710 [ 2602.608555][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2602.608555][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2602.608555][ T1076] ___sys_sendmsg+0xee/0x170 [ 2602.608555][ T1076] __sys_sendmsg+0xcd/0x170 [ 2602.608555][ T1076] do_syscall_64+0xc6/0x1e0 [ 2602.608555][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.608555][ T1076] [ 2602.610307][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2602.610307][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2602.610307][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2602.610307][ T1076] ipv6_find_idev+0x102/0x170 [ 2602.610307][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.610307][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.610307][ T1076] netlink_rcv_skb+0x130/0x360 [ 2602.610307][ T1076] netlink_unicast+0x449/0x710 [ 2602.610307][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2602.610307][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2602.610307][ T1076] ___sys_sendmsg+0xee/0x170 [ 2602.610307][ T1076] __sys_sendmsg+0xcd/0x170 [ 2602.610307][ T1076] do_syscall_64+0xc6/0x1e0 [ 2602.610307][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.610307][ T1076] [ 2612.637709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2612.638223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2612.638223][ T1076] netdev_get_by_index+0x5e/0x80 [ 2612.638223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2612.638223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2612.638223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2612.638223][ T1076] ipv6_add_addr+0x411/0x2000 [ 2612.638223][ T1076] inet6_addr_add+0x30e/0xa40 [ 2612.638223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.638223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.638223][ T1076] netlink_rcv_skb+0x130/0x360 [ 2612.638223][ T1076] netlink_unicast+0x449/0x710 [ 2612.638223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2612.638223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2612.638223][ T1076] ___sys_sendmsg+0xee/0x170 [ 2612.638223][ T1076] __sys_sendmsg+0xcd/0x170 [ 2612.638223][ T1076] do_syscall_64+0xc6/0x1e0 [ 2612.638223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.638223][ T1076] [ 2612.640608][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2612.640608][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2612.640608][ T1076] ipv6_find_idev+0x102/0x170 [ 2612.640608][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.640608][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.640608][ T1076] netlink_rcv_skb+0x130/0x360 [ 2612.640608][ T1076] netlink_unicast+0x449/0x710 [ 2612.640608][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2612.640608][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2612.640608][ T1076] ___sys_sendmsg+0xee/0x170 [ 2612.640608][ T1076] __sys_sendmsg+0xcd/0x170 [ 2612.640608][ T1076] do_syscall_64+0xc6/0x1e0 [ 2612.640608][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.640608][ T1076] [ 2612.642815][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2612.642815][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2612.642815][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2612.642815][ T1076] ipv6_find_idev+0x102/0x170 [ 2612.642815][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.642815][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.642815][ T1076] netlink_rcv_skb+0x130/0x360 [ 2612.642815][ T1076] netlink_unicast+0x449/0x710 [ 2612.642815][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2612.642815][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2612.642815][ T1076] ___sys_sendmsg+0xee/0x170 [ 2612.642815][ T1076] __sys_sendmsg+0xcd/0x170 [ 2612.642815][ T1076] do_syscall_64+0xc6/0x1e0 [ 2612.642815][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.642815][ T1076] [ 2622.845669][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2622.846142][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2622.846142][ T1076] netdev_get_by_index+0x5e/0x80 [ 2622.846142][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2622.846142][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2622.846142][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2622.846142][ T1076] ipv6_add_addr+0x411/0x2000 [ 2622.846142][ T1076] inet6_addr_add+0x30e/0xa40 [ 2622.846142][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2622.846142][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2622.846142][ T1076] netlink_rcv_skb+0x130/0x360 [ 2622.846142][ T1076] netlink_unicast+0x449/0x710 [ 2622.846142][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2622.846142][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2622.846142][ T1076] ___sys_sendmsg+0xee/0x170 [ 2622.846142][ T1076] __sys_sendmsg+0xcd/0x170 [ 2622.846142][ T1076] do_syscall_64+0xc6/0x1e0 [ 2622.846142][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2622.846142][ T1076] [ 2622.848404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2622.848404][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2622.848404][ T1076] ipv6_find_idev+0x102/0x170 [ 2622.848404][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2622.848404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2622.848404][ T1076] netlink_rcv_skb+0x130/0x360 [ 2622.848404][ T1076] netlink_unicast+0x449/0x710 [ 2622.848404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2622.848404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2622.848404][ T1076] ___sys_sendmsg+0xee/0x170 [ 2622.848404][ T1076] __sys_sendmsg+0xcd/0x170 [ 2622.848404][ T1076] do_syscall_64+0xc6/0x1e0 [ 2622.848404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2622.848404][ T1076] [ 2622.850132][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2622.850132][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2622.850132][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2622.850132][ T1076] ipv6_find_idev+0x102/0x170 [ 2622.850132][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2622.850132][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2622.850132][ T1076] netlink_rcv_skb+0x130/0x360 [ 2622.850132][ T1076] netlink_unicast+0x449/0x710 [ 2622.850132][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2622.850132][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2622.850132][ T1076] ___sys_sendmsg+0xee/0x170 [ 2622.850132][ T1076] __sys_sendmsg+0xcd/0x170 [ 2622.850132][ T1076] do_syscall_64+0xc6/0x1e0 [ 2622.850132][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2622.850132][ T1076] [ 2632.981724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2632.982248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2632.982248][ T1076] netdev_get_by_index+0x5e/0x80 [ 2632.982248][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2632.982248][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2632.982248][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2632.982248][ T1076] ipv6_add_addr+0x411/0x2000 [ 2632.982248][ T1076] inet6_addr_add+0x30e/0xa40 [ 2632.982248][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2632.982248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2632.982248][ T1076] netlink_rcv_skb+0x130/0x360 [ 2632.982248][ T1076] netlink_unicast+0x449/0x710 [ 2632.982248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2632.982248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2632.982248][ T1076] ___sys_sendmsg+0xee/0x170 [ 2632.982248][ T1076] __sys_sendmsg+0xcd/0x170 [ 2632.982248][ T1076] do_syscall_64+0xc6/0x1e0 [ 2632.982248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2632.982248][ T1076] [ 2632.984517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2632.984517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2632.984517][ T1076] ipv6_find_idev+0x102/0x170 [ 2632.984517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2632.984517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2632.984517][ T1076] netlink_rcv_skb+0x130/0x360 [ 2632.984517][ T1076] netlink_unicast+0x449/0x710 [ 2632.984517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2632.984517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2632.984517][ T1076] ___sys_sendmsg+0xee/0x170 [ 2632.984517][ T1076] __sys_sendmsg+0xcd/0x170 [ 2632.984517][ T1076] do_syscall_64+0xc6/0x1e0 [ 2632.984517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2632.984517][ T1076] [ 2632.986244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2632.986244][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2632.986244][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2632.986244][ T1076] ipv6_find_idev+0x102/0x170 [ 2632.986244][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2632.986244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2632.986244][ T1076] netlink_rcv_skb+0x130/0x360 [ 2632.986244][ T1076] netlink_unicast+0x449/0x710 [ 2632.986244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2632.986244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2632.986244][ T1076] ___sys_sendmsg+0xee/0x170 [ 2632.986244][ T1076] __sys_sendmsg+0xcd/0x170 [ 2632.986244][ T1076] do_syscall_64+0xc6/0x1e0 [ 2632.986244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2632.986244][ T1076] [ 2643.101760][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2643.102285][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2643.102285][ T1076] netdev_get_by_index+0x5e/0x80 [ 2643.102285][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2643.102285][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2643.102285][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2643.102285][ T1076] ipv6_add_addr+0x411/0x2000 [ 2643.102285][ T1076] inet6_addr_add+0x30e/0xa40 [ 2643.102285][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.102285][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.102285][ T1076] netlink_rcv_skb+0x130/0x360 [ 2643.102285][ T1076] netlink_unicast+0x449/0x710 [ 2643.102285][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2643.102285][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2643.102285][ T1076] ___sys_sendmsg+0xee/0x170 [ 2643.102285][ T1076] __sys_sendmsg+0xcd/0x170 [ 2643.102285][ T1076] do_syscall_64+0xc6/0x1e0 [ 2643.102285][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.102285][ T1076] [ 2643.104615][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2643.104615][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2643.104615][ T1076] ipv6_find_idev+0x102/0x170 [ 2643.104615][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.104615][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.104615][ T1076] netlink_rcv_skb+0x130/0x360 [ 2643.104615][ T1076] netlink_unicast+0x449/0x710 [ 2643.104615][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2643.104615][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2643.104615][ T1076] ___sys_sendmsg+0xee/0x170 [ 2643.104615][ T1076] __sys_sendmsg+0xcd/0x170 [ 2643.104615][ T1076] do_syscall_64+0xc6/0x1e0 [ 2643.104615][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.104615][ T1076] [ 2643.106360][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2643.106360][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2643.106360][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2643.106360][ T1076] ipv6_find_idev+0x102/0x170 [ 2643.106360][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.106360][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.106360][ T1076] netlink_rcv_skb+0x130/0x360 [ 2643.106360][ T1076] netlink_unicast+0x449/0x710 [ 2643.106360][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2643.106360][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2643.106360][ T1076] ___sys_sendmsg+0xee/0x170 [ 2643.106360][ T1076] __sys_sendmsg+0xcd/0x170 [ 2643.106360][ T1076] do_syscall_64+0xc6/0x1e0 [ 2643.106360][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.106360][ T1076] [ 2653.349738][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2653.350194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2653.350194][ T1076] netdev_get_by_index+0x5e/0x80 [ 2653.350194][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2653.350194][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2653.350194][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2653.350194][ T1076] ipv6_add_addr+0x411/0x2000 [ 2653.350194][ T1076] inet6_addr_add+0x30e/0xa40 [ 2653.350194][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2653.350194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2653.350194][ T1076] netlink_rcv_skb+0x130/0x360 [ 2653.350194][ T1076] netlink_unicast+0x449/0x710 [ 2653.350194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2653.350194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2653.350194][ T1076] ___sys_sendmsg+0xee/0x170 [ 2653.350194][ T1076] __sys_sendmsg+0xcd/0x170 [ 2653.350194][ T1076] do_syscall_64+0xc6/0x1e0 [ 2653.350194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2653.350194][ T1076] [ 2653.352477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2653.352477][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2653.352477][ T1076] ipv6_find_idev+0x102/0x170 [ 2653.352477][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2653.352477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2653.352477][ T1076] netlink_rcv_skb+0x130/0x360 [ 2653.352477][ T1076] netlink_unicast+0x449/0x710 [ 2653.352477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2653.352477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2653.352477][ T1076] ___sys_sendmsg+0xee/0x170 [ 2653.352477][ T1076] __sys_sendmsg+0xcd/0x170 [ 2653.352477][ T1076] do_syscall_64+0xc6/0x1e0 [ 2653.352477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2653.352477][ T1076] [ 2653.354212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2653.354212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2653.354212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2653.354212][ T1076] ipv6_find_idev+0x102/0x170 [ 2653.354212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2653.354212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2653.354212][ T1076] netlink_rcv_skb+0x130/0x360 [ 2653.354212][ T1076] netlink_unicast+0x449/0x710 [ 2653.354212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2653.354212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2653.354212][ T1076] ___sys_sendmsg+0xee/0x170 [ 2653.354212][ T1076] __sys_sendmsg+0xcd/0x170 [ 2653.354212][ T1076] do_syscall_64+0xc6/0x1e0 [ 2653.354212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2653.354212][ T1076] [ 2663.597714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2663.598173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2663.598173][ T1076] netdev_get_by_index+0x5e/0x80 [ 2663.598173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2663.598173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2663.598173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2663.598173][ T1076] ipv6_add_addr+0x411/0x2000 [ 2663.598173][ T1076] inet6_addr_add+0x30e/0xa40 [ 2663.598173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2663.598173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2663.598173][ T1076] netlink_rcv_skb+0x130/0x360 [ 2663.598173][ T1076] netlink_unicast+0x449/0x710 [ 2663.598173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2663.598173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2663.598173][ T1076] ___sys_sendmsg+0xee/0x170 [ 2663.598173][ T1076] __sys_sendmsg+0xcd/0x170 [ 2663.598173][ T1076] do_syscall_64+0xc6/0x1e0 [ 2663.598173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2663.598173][ T1076] [ 2663.600461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2663.600461][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2663.600461][ T1076] ipv6_find_idev+0x102/0x170 [ 2663.600461][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2663.600461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2663.600461][ T1076] netlink_rcv_skb+0x130/0x360 [ 2663.600461][ T1076] netlink_unicast+0x449/0x710 [ 2663.600461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2663.600461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2663.600461][ T1076] ___sys_sendmsg+0xee/0x170 [ 2663.600461][ T1076] __sys_sendmsg+0xcd/0x170 [ 2663.600461][ T1076] do_syscall_64+0xc6/0x1e0 [ 2663.600461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2663.600461][ T1076] [ 2663.602193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2663.602193][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2663.602193][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2663.602193][ T1076] ipv6_find_idev+0x102/0x170 [ 2663.602193][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2663.602193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2663.602193][ T1076] netlink_rcv_skb+0x130/0x360 [ 2663.602193][ T1076] netlink_unicast+0x449/0x710 [ 2663.602193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2663.602193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2663.602193][ T1076] ___sys_sendmsg+0xee/0x170 [ 2663.602193][ T1076] __sys_sendmsg+0xcd/0x170 [ 2663.602193][ T1076] do_syscall_64+0xc6/0x1e0 [ 2663.602193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2663.602193][ T1076] [ 2673.845667][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2673.846158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2673.846158][ T1076] netdev_get_by_index+0x5e/0x80 [ 2673.846158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2673.846158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2673.846158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2673.846158][ T1076] ipv6_add_addr+0x411/0x2000 [ 2673.846158][ T1076] inet6_addr_add+0x30e/0xa40 [ 2673.846158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2673.846158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2673.846158][ T1076] netlink_rcv_skb+0x130/0x360 [ 2673.846158][ T1076] netlink_unicast+0x449/0x710 [ 2673.846158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2673.846158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2673.846158][ T1076] ___sys_sendmsg+0xee/0x170 [ 2673.846158][ T1076] __sys_sendmsg+0xcd/0x170 [ 2673.846158][ T1076] do_syscall_64+0xc6/0x1e0 [ 2673.846158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2673.846158][ T1076] [ 2673.848673][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2673.848673][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2673.848673][ T1076] ipv6_find_idev+0x102/0x170 [ 2673.848673][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2673.848673][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2673.848673][ T1076] netlink_rcv_skb+0x130/0x360 [ 2673.848673][ T1076] netlink_unicast+0x449/0x710 [ 2673.848673][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2673.848673][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2673.848673][ T1076] ___sys_sendmsg+0xee/0x170 [ 2673.848673][ T1076] __sys_sendmsg+0xcd/0x170 [ 2673.848673][ T1076] do_syscall_64+0xc6/0x1e0 [ 2673.848673][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2673.848673][ T1076] [ 2673.850595][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2673.850595][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2673.850595][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2673.850595][ T1076] ipv6_find_idev+0x102/0x170 [ 2673.850595][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2673.850595][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2673.850595][ T1076] netlink_rcv_skb+0x130/0x360 [ 2673.850595][ T1076] netlink_unicast+0x449/0x710 [ 2673.850595][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2673.850595][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2673.850595][ T1076] ___sys_sendmsg+0xee/0x170 [ 2673.850595][ T1076] __sys_sendmsg+0xcd/0x170 [ 2673.850595][ T1076] do_syscall_64+0xc6/0x1e0 [ 2673.850595][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2673.850595][ T1076] [ 2684.093789][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2684.094294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2684.094294][ T1076] netdev_get_by_index+0x5e/0x80 [ 2684.094294][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2684.094294][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2684.094294][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2684.094294][ T1076] ipv6_add_addr+0x411/0x2000 [ 2684.094294][ T1076] inet6_addr_add+0x30e/0xa40 [ 2684.094294][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.094294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.094294][ T1076] netlink_rcv_skb+0x130/0x360 [ 2684.094294][ T1076] netlink_unicast+0x449/0x710 [ 2684.094294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2684.094294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2684.094294][ T1076] ___sys_sendmsg+0xee/0x170 [ 2684.094294][ T1076] __sys_sendmsg+0xcd/0x170 [ 2684.094294][ T1076] do_syscall_64+0xc6/0x1e0 [ 2684.094294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.094294][ T1076] [ 2684.096767][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2684.096767][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2684.096767][ T1076] ipv6_find_idev+0x102/0x170 [ 2684.096767][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.096767][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.096767][ T1076] netlink_rcv_skb+0x130/0x360 [ 2684.096767][ T1076] netlink_unicast+0x449/0x710 [ 2684.096767][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2684.096767][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2684.096767][ T1076] ___sys_sendmsg+0xee/0x170 [ 2684.096767][ T1076] __sys_sendmsg+0xcd/0x170 [ 2684.096767][ T1076] do_syscall_64+0xc6/0x1e0 [ 2684.096767][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.096767][ T1076] [ 2684.098657][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2684.098657][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2684.098657][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2684.098657][ T1076] ipv6_find_idev+0x102/0x170 [ 2684.098657][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.098657][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.098657][ T1076] netlink_rcv_skb+0x130/0x360 [ 2684.098657][ T1076] netlink_unicast+0x449/0x710 [ 2684.098657][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2684.098657][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2684.098657][ T1076] ___sys_sendmsg+0xee/0x170 [ 2684.098657][ T1076] __sys_sendmsg+0xcd/0x170 [ 2684.098657][ T1076] do_syscall_64+0xc6/0x1e0 [ 2684.098657][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.098657][ T1076] [ 2694.341727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2694.342190][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2694.342190][ T1076] netdev_get_by_index+0x5e/0x80 [ 2694.342190][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2694.342190][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2694.342190][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2694.342190][ T1076] ipv6_add_addr+0x411/0x2000 [ 2694.342190][ T1076] inet6_addr_add+0x30e/0xa40 [ 2694.342190][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2694.342190][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2694.342190][ T1076] netlink_rcv_skb+0x130/0x360 [ 2694.342190][ T1076] netlink_unicast+0x449/0x710 [ 2694.342190][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2694.342190][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2694.342190][ T1076] ___sys_sendmsg+0xee/0x170 [ 2694.342190][ T1076] __sys_sendmsg+0xcd/0x170 [ 2694.342190][ T1076] do_syscall_64+0xc6/0x1e0 [ 2694.342190][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2694.342190][ T1076] [ 2694.344635][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2694.344635][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2694.344635][ T1076] ipv6_find_idev+0x102/0x170 [ 2694.344635][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2694.344635][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2694.344635][ T1076] netlink_rcv_skb+0x130/0x360 [ 2694.344635][ T1076] netlink_unicast+0x449/0x710 [ 2694.344635][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2694.344635][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2694.344635][ T1076] ___sys_sendmsg+0xee/0x170 [ 2694.344635][ T1076] __sys_sendmsg+0xcd/0x170 [ 2694.344635][ T1076] do_syscall_64+0xc6/0x1e0 [ 2694.344635][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2694.344635][ T1076] [ 2694.346516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2694.346516][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2694.346516][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2694.346516][ T1076] ipv6_find_idev+0x102/0x170 [ 2694.346516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2694.346516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2694.346516][ T1076] netlink_rcv_skb+0x130/0x360 [ 2694.346516][ T1076] netlink_unicast+0x449/0x710 [ 2694.346516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2694.346516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2694.346516][ T1076] ___sys_sendmsg+0xee/0x170 [ 2694.346516][ T1076] __sys_sendmsg+0xcd/0x170 [ 2694.346516][ T1076] do_syscall_64+0xc6/0x1e0 [ 2694.346516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2694.346516][ T1076] [ 2704.589705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2704.590180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2704.590180][ T1076] netdev_get_by_index+0x5e/0x80 [ 2704.590180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2704.590180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2704.590180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2704.590180][ T1076] ipv6_add_addr+0x411/0x2000 [ 2704.590180][ T1076] inet6_addr_add+0x30e/0xa40 [ 2704.590180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2704.590180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2704.590180][ T1076] netlink_rcv_skb+0x130/0x360 [ 2704.590180][ T1076] netlink_unicast+0x449/0x710 [ 2704.590180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2704.590180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2704.590180][ T1076] ___sys_sendmsg+0xee/0x170 [ 2704.590180][ T1076] __sys_sendmsg+0xcd/0x170 [ 2704.590180][ T1076] do_syscall_64+0xc6/0x1e0 [ 2704.590180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2704.590180][ T1076] [ 2704.592546][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2704.592546][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2704.592546][ T1076] ipv6_find_idev+0x102/0x170 [ 2704.592546][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2704.592546][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2704.592546][ T1076] netlink_rcv_skb+0x130/0x360 [ 2704.592546][ T1076] netlink_unicast+0x449/0x710 [ 2704.592546][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2704.592546][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2704.592546][ T1076] ___sys_sendmsg+0xee/0x170 [ 2704.592546][ T1076] __sys_sendmsg+0xcd/0x170 [ 2704.592546][ T1076] do_syscall_64+0xc6/0x1e0 [ 2704.592546][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2704.592546][ T1076] [ 2704.594306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2704.594306][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2704.594306][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2704.594306][ T1076] ipv6_find_idev+0x102/0x170 [ 2704.594306][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2704.594306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2704.594306][ T1076] netlink_rcv_skb+0x130/0x360 [ 2704.594306][ T1076] netlink_unicast+0x449/0x710 [ 2704.594306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2704.594306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2704.594306][ T1076] ___sys_sendmsg+0xee/0x170 [ 2704.594306][ T1076] __sys_sendmsg+0xcd/0x170 [ 2704.594306][ T1076] do_syscall_64+0xc6/0x1e0 [ 2704.594306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2704.594306][ T1076] [ 2714.837793][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2714.838345][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2714.838345][ T1076] netdev_get_by_index+0x5e/0x80 [ 2714.838345][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2714.838345][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2714.838345][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2714.838345][ T1076] ipv6_add_addr+0x411/0x2000 [ 2714.838345][ T1076] inet6_addr_add+0x30e/0xa40 [ 2714.838345][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2714.838345][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2714.838345][ T1076] netlink_rcv_skb+0x130/0x360 [ 2714.838345][ T1076] netlink_unicast+0x449/0x710 [ 2714.838345][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2714.838345][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2714.838345][ T1076] ___sys_sendmsg+0xee/0x170 [ 2714.838345][ T1076] __sys_sendmsg+0xcd/0x170 [ 2714.838345][ T1076] do_syscall_64+0xc6/0x1e0 [ 2714.838345][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2714.838345][ T1076] [ 2714.840647][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2714.840647][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2714.840647][ T1076] ipv6_find_idev+0x102/0x170 [ 2714.840647][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2714.840647][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2714.840647][ T1076] netlink_rcv_skb+0x130/0x360 [ 2714.840647][ T1076] netlink_unicast+0x449/0x710 [ 2714.840647][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2714.840647][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2714.840647][ T1076] ___sys_sendmsg+0xee/0x170 [ 2714.840647][ T1076] __sys_sendmsg+0xcd/0x170 [ 2714.840647][ T1076] do_syscall_64+0xc6/0x1e0 [ 2714.840647][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2714.840647][ T1076] [ 2714.842409][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2714.842409][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2714.842409][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2714.842409][ T1076] ipv6_find_idev+0x102/0x170 [ 2714.842409][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2714.842409][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2714.842409][ T1076] netlink_rcv_skb+0x130/0x360 [ 2714.842409][ T1076] netlink_unicast+0x449/0x710 [ 2714.842409][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2714.842409][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2714.842409][ T1076] ___sys_sendmsg+0xee/0x170 [ 2714.842409][ T1076] __sys_sendmsg+0xcd/0x170 [ 2714.842409][ T1076] do_syscall_64+0xc6/0x1e0 [ 2714.842409][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2714.842409][ T1076] [ 2725.085731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2725.086220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2725.086220][ T1076] netdev_get_by_index+0x5e/0x80 [ 2725.086220][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2725.086220][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2725.086220][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2725.086220][ T1076] ipv6_add_addr+0x411/0x2000 [ 2725.086220][ T1076] inet6_addr_add+0x30e/0xa40 [ 2725.086220][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.086220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.086220][ T1076] netlink_rcv_skb+0x130/0x360 [ 2725.086220][ T1076] netlink_unicast+0x449/0x710 [ 2725.086220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2725.086220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2725.086220][ T1076] ___sys_sendmsg+0xee/0x170 [ 2725.086220][ T1076] __sys_sendmsg+0xcd/0x170 [ 2725.086220][ T1076] do_syscall_64+0xc6/0x1e0 [ 2725.086220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.086220][ T1076] [ 2725.088519][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2725.088519][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2725.088519][ T1076] ipv6_find_idev+0x102/0x170 [ 2725.088519][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.088519][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.088519][ T1076] netlink_rcv_skb+0x130/0x360 [ 2725.088519][ T1076] netlink_unicast+0x449/0x710 [ 2725.088519][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2725.088519][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2725.088519][ T1076] ___sys_sendmsg+0xee/0x170 [ 2725.088519][ T1076] __sys_sendmsg+0xcd/0x170 [ 2725.088519][ T1076] do_syscall_64+0xc6/0x1e0 [ 2725.088519][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.088519][ T1076] [ 2725.090297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2725.090297][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2725.090297][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2725.090297][ T1076] ipv6_find_idev+0x102/0x170 [ 2725.090297][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.090297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.090297][ T1076] netlink_rcv_skb+0x130/0x360 [ 2725.090297][ T1076] netlink_unicast+0x449/0x710 [ 2725.090297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2725.090297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2725.090297][ T1076] ___sys_sendmsg+0xee/0x170 [ 2725.090297][ T1076] __sys_sendmsg+0xcd/0x170 [ 2725.090297][ T1076] do_syscall_64+0xc6/0x1e0 [ 2725.090297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.090297][ T1076] [ 2735.333743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2735.334272][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2735.334272][ T1076] netdev_get_by_index+0x5e/0x80 [ 2735.334272][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2735.334272][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2735.334272][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2735.334272][ T1076] ipv6_add_addr+0x411/0x2000 [ 2735.334272][ T1076] inet6_addr_add+0x30e/0xa40 [ 2735.334272][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2735.334272][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.334272][ T1076] netlink_rcv_skb+0x130/0x360 [ 2735.334272][ T1076] netlink_unicast+0x449/0x710 [ 2735.334272][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2735.334272][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2735.334272][ T1076] ___sys_sendmsg+0xee/0x170 [ 2735.334272][ T1076] __sys_sendmsg+0xcd/0x170 [ 2735.334272][ T1076] do_syscall_64+0xc6/0x1e0 [ 2735.334272][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.334272][ T1076] [ 2735.336572][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2735.336572][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2735.336572][ T1076] ipv6_find_idev+0x102/0x170 [ 2735.336572][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2735.336572][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.336572][ T1076] netlink_rcv_skb+0x130/0x360 [ 2735.336572][ T1076] netlink_unicast+0x449/0x710 [ 2735.336572][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2735.336572][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2735.336572][ T1076] ___sys_sendmsg+0xee/0x170 [ 2735.336572][ T1076] __sys_sendmsg+0xcd/0x170 [ 2735.336572][ T1076] do_syscall_64+0xc6/0x1e0 [ 2735.336572][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.336572][ T1076] [ 2735.338323][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2735.338323][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2735.338323][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2735.338323][ T1076] ipv6_find_idev+0x102/0x170 [ 2735.338323][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2735.338323][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.338323][ T1076] netlink_rcv_skb+0x130/0x360 [ 2735.338323][ T1076] netlink_unicast+0x449/0x710 [ 2735.338323][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2735.338323][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2735.338323][ T1076] ___sys_sendmsg+0xee/0x170 [ 2735.338323][ T1076] __sys_sendmsg+0xcd/0x170 [ 2735.338323][ T1076] do_syscall_64+0xc6/0x1e0 [ 2735.338323][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.338323][ T1076] [ 2745.581688][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2745.582232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2745.582232][ T1076] netdev_get_by_index+0x5e/0x80 [ 2745.582232][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2745.582232][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2745.582232][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2745.582232][ T1076] ipv6_add_addr+0x411/0x2000 [ 2745.582232][ T1076] inet6_addr_add+0x30e/0xa40 [ 2745.582232][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2745.582232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2745.582232][ T1076] netlink_rcv_skb+0x130/0x360 [ 2745.582232][ T1076] netlink_unicast+0x449/0x710 [ 2745.582232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2745.582232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2745.582232][ T1076] ___sys_sendmsg+0xee/0x170 [ 2745.582232][ T1076] __sys_sendmsg+0xcd/0x170 [ 2745.582232][ T1076] do_syscall_64+0xc6/0x1e0 [ 2745.582232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2745.582232][ T1076] [ 2745.584535][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2745.584535][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2745.584535][ T1076] ipv6_find_idev+0x102/0x170 [ 2745.584535][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2745.584535][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2745.584535][ T1076] netlink_rcv_skb+0x130/0x360 [ 2745.584535][ T1076] netlink_unicast+0x449/0x710 [ 2745.584535][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2745.584535][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2745.584535][ T1076] ___sys_sendmsg+0xee/0x170 [ 2745.584535][ T1076] __sys_sendmsg+0xcd/0x170 [ 2745.584535][ T1076] do_syscall_64+0xc6/0x1e0 [ 2745.584535][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2745.584535][ T1076] [ 2745.586304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2745.586304][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2745.586304][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2745.586304][ T1076] ipv6_find_idev+0x102/0x170 [ 2745.586304][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2745.586304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2745.586304][ T1076] netlink_rcv_skb+0x130/0x360 [ 2745.586304][ T1076] netlink_unicast+0x449/0x710 [ 2745.586304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2745.586304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2745.586304][ T1076] ___sys_sendmsg+0xee/0x170 [ 2745.586304][ T1076] __sys_sendmsg+0xcd/0x170 [ 2745.586304][ T1076] do_syscall_64+0xc6/0x1e0 [ 2745.586304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2745.586304][ T1076] [ 2755.685771][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2755.686330][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2755.686330][ T1076] netdev_get_by_index+0x5e/0x80 [ 2755.686330][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2755.686330][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2755.686330][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2755.686330][ T1076] ipv6_add_addr+0x411/0x2000 [ 2755.686330][ T1076] inet6_addr_add+0x30e/0xa40 [ 2755.686330][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2755.686330][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2755.686330][ T1076] netlink_rcv_skb+0x130/0x360 [ 2755.686330][ T1076] netlink_unicast+0x449/0x710 [ 2755.686330][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2755.686330][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2755.686330][ T1076] ___sys_sendmsg+0xee/0x170 [ 2755.686330][ T1076] __sys_sendmsg+0xcd/0x170 [ 2755.686330][ T1076] do_syscall_64+0xc6/0x1e0 [ 2755.686330][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2755.686330][ T1076] [ 2755.688632][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2755.688632][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2755.688632][ T1076] ipv6_find_idev+0x102/0x170 [ 2755.688632][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2755.688632][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2755.688632][ T1076] netlink_rcv_skb+0x130/0x360 [ 2755.688632][ T1076] netlink_unicast+0x449/0x710 [ 2755.688632][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2755.688632][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2755.688632][ T1076] ___sys_sendmsg+0xee/0x170 [ 2755.688632][ T1076] __sys_sendmsg+0xcd/0x170 [ 2755.688632][ T1076] do_syscall_64+0xc6/0x1e0 [ 2755.688632][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2755.688632][ T1076] [ 2755.690407][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2755.690407][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2755.690407][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2755.690407][ T1076] ipv6_find_idev+0x102/0x170 [ 2755.690407][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2755.690407][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2755.690407][ T1076] netlink_rcv_skb+0x130/0x360 [ 2755.690407][ T1076] netlink_unicast+0x449/0x710 [ 2755.690407][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2755.690407][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2755.690407][ T1076] ___sys_sendmsg+0xee/0x170 [ 2755.690407][ T1076] __sys_sendmsg+0xcd/0x170 [ 2755.690407][ T1076] do_syscall_64+0xc6/0x1e0 [ 2755.690407][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2755.690407][ T1076] [ 2765.933692][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2765.934297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2765.934297][ T1076] netdev_get_by_index+0x5e/0x80 [ 2765.934297][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2765.934297][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2765.934297][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2765.934297][ T1076] ipv6_add_addr+0x411/0x2000 [ 2765.934297][ T1076] inet6_addr_add+0x30e/0xa40 [ 2765.934297][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2765.934297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2765.934297][ T1076] netlink_rcv_skb+0x130/0x360 [ 2765.934297][ T1076] netlink_unicast+0x449/0x710 [ 2765.934297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2765.934297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2765.934297][ T1076] ___sys_sendmsg+0xee/0x170 [ 2765.934297][ T1076] __sys_sendmsg+0xcd/0x170 [ 2765.934297][ T1076] do_syscall_64+0xc6/0x1e0 [ 2765.934297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2765.934297][ T1076] [ 2765.936608][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2765.936608][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2765.936608][ T1076] ipv6_find_idev+0x102/0x170 [ 2765.936608][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2765.936608][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2765.936608][ T1076] netlink_rcv_skb+0x130/0x360 [ 2765.936608][ T1076] netlink_unicast+0x449/0x710 [ 2765.936608][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2765.936608][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2765.936608][ T1076] ___sys_sendmsg+0xee/0x170 [ 2765.936608][ T1076] __sys_sendmsg+0xcd/0x170 [ 2765.936608][ T1076] do_syscall_64+0xc6/0x1e0 [ 2765.936608][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2765.936608][ T1076] [ 2765.938369][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2765.938369][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2765.938369][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2765.938369][ T1076] ipv6_find_idev+0x102/0x170 [ 2765.938369][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2765.938369][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2765.938369][ T1076] netlink_rcv_skb+0x130/0x360 [ 2765.938369][ T1076] netlink_unicast+0x449/0x710 [ 2765.938369][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2765.938369][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2765.938369][ T1076] ___sys_sendmsg+0xee/0x170 [ 2765.938369][ T1076] __sys_sendmsg+0xcd/0x170 [ 2765.938369][ T1076] do_syscall_64+0xc6/0x1e0 [ 2765.938369][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2765.938369][ T1076] [ 2776.181694][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2776.182229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2776.182229][ T1076] netdev_get_by_index+0x5e/0x80 [ 2776.182229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2776.182229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2776.182229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2776.182229][ T1076] ipv6_add_addr+0x411/0x2000 [ 2776.182229][ T1076] inet6_addr_add+0x30e/0xa40 [ 2776.182229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2776.182229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.182229][ T1076] netlink_rcv_skb+0x130/0x360 [ 2776.182229][ T1076] netlink_unicast+0x449/0x710 [ 2776.182229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2776.182229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2776.182229][ T1076] ___sys_sendmsg+0xee/0x170 [ 2776.182229][ T1076] __sys_sendmsg+0xcd/0x170 [ 2776.182229][ T1076] do_syscall_64+0xc6/0x1e0 [ 2776.182229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.182229][ T1076] [ 2776.184533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2776.184533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2776.184533][ T1076] ipv6_find_idev+0x102/0x170 [ 2776.184533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2776.184533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.184533][ T1076] netlink_rcv_skb+0x130/0x360 [ 2776.184533][ T1076] netlink_unicast+0x449/0x710 [ 2776.184533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2776.184533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2776.184533][ T1076] ___sys_sendmsg+0xee/0x170 [ 2776.184533][ T1076] __sys_sendmsg+0xcd/0x170 [ 2776.184533][ T1076] do_syscall_64+0xc6/0x1e0 [ 2776.184533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.184533][ T1076] [ 2776.186294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2776.186294][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2776.186294][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2776.186294][ T1076] ipv6_find_idev+0x102/0x170 [ 2776.186294][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2776.186294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.186294][ T1076] netlink_rcv_skb+0x130/0x360 [ 2776.186294][ T1076] netlink_unicast+0x449/0x710 [ 2776.186294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2776.186294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2776.186294][ T1076] ___sys_sendmsg+0xee/0x170 [ 2776.186294][ T1076] __sys_sendmsg+0xcd/0x170 [ 2776.186294][ T1076] do_syscall_64+0xc6/0x1e0 [ 2776.186294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.186294][ T1076] [ 2786.429691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2786.430233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2786.430233][ T1076] netdev_get_by_index+0x5e/0x80 [ 2786.430233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2786.430233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2786.430233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2786.430233][ T1076] ipv6_add_addr+0x411/0x2000 [ 2786.430233][ T1076] inet6_addr_add+0x30e/0xa40 [ 2786.430233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2786.430233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2786.430233][ T1076] netlink_rcv_skb+0x130/0x360 [ 2786.430233][ T1076] netlink_unicast+0x449/0x710 [ 2786.430233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2786.430233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2786.430233][ T1076] ___sys_sendmsg+0xee/0x170 [ 2786.430233][ T1076] __sys_sendmsg+0xcd/0x170 [ 2786.430233][ T1076] do_syscall_64+0xc6/0x1e0 [ 2786.430233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2786.430233][ T1076] [ 2786.432531][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2786.432531][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2786.432531][ T1076] ipv6_find_idev+0x102/0x170 [ 2786.432531][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2786.432531][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2786.432531][ T1076] netlink_rcv_skb+0x130/0x360 [ 2786.432531][ T1076] netlink_unicast+0x449/0x710 [ 2786.432531][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2786.432531][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2786.432531][ T1076] ___sys_sendmsg+0xee/0x170 [ 2786.432531][ T1076] __sys_sendmsg+0xcd/0x170 [ 2786.432531][ T1076] do_syscall_64+0xc6/0x1e0 [ 2786.432531][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2786.432531][ T1076] [ 2786.434292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2786.434292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2786.434292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2786.434292][ T1076] ipv6_find_idev+0x102/0x170 [ 2786.434292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2786.434292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2786.434292][ T1076] netlink_rcv_skb+0x130/0x360 [ 2786.434292][ T1076] netlink_unicast+0x449/0x710 [ 2786.434292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2786.434292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2786.434292][ T1076] ___sys_sendmsg+0xee/0x170 [ 2786.434292][ T1076] __sys_sendmsg+0xcd/0x170 [ 2786.434292][ T1076] do_syscall_64+0xc6/0x1e0 [ 2786.434292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2786.434292][ T1076] [ 2796.677760][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2796.678308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2796.678308][ T1076] netdev_get_by_index+0x5e/0x80 [ 2796.678308][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2796.678308][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2796.678308][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2796.678308][ T1076] ipv6_add_addr+0x411/0x2000 [ 2796.678308][ T1076] inet6_addr_add+0x30e/0xa40 [ 2796.678308][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2796.678308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2796.678308][ T1076] netlink_rcv_skb+0x130/0x360 [ 2796.678308][ T1076] netlink_unicast+0x449/0x710 [ 2796.678308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2796.678308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2796.678308][ T1076] ___sys_sendmsg+0xee/0x170 [ 2796.678308][ T1076] __sys_sendmsg+0xcd/0x170 [ 2796.678308][ T1076] do_syscall_64+0xc6/0x1e0 [ 2796.678308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2796.678308][ T1076] [ 2796.680616][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2796.680616][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2796.680616][ T1076] ipv6_find_idev+0x102/0x170 [ 2796.680616][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2796.680616][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2796.680616][ T1076] netlink_rcv_skb+0x130/0x360 [ 2796.680616][ T1076] netlink_unicast+0x449/0x710 [ 2796.680616][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2796.680616][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2796.680616][ T1076] ___sys_sendmsg+0xee/0x170 [ 2796.680616][ T1076] __sys_sendmsg+0xcd/0x170 [ 2796.680616][ T1076] do_syscall_64+0xc6/0x1e0 [ 2796.680616][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2796.680616][ T1076] [ 2796.682372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2796.682372][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2796.682372][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2796.682372][ T1076] ipv6_find_idev+0x102/0x170 [ 2796.682372][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2796.682372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2796.682372][ T1076] netlink_rcv_skb+0x130/0x360 [ 2796.682372][ T1076] netlink_unicast+0x449/0x710 [ 2796.682372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2796.682372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2796.682372][ T1076] ___sys_sendmsg+0xee/0x170 [ 2796.682372][ T1076] __sys_sendmsg+0xcd/0x170 [ 2796.682372][ T1076] do_syscall_64+0xc6/0x1e0 [ 2796.682372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2796.682372][ T1076] [ 2806.925648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2806.926195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2806.926195][ T1076] netdev_get_by_index+0x5e/0x80 [ 2806.926195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2806.926195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2806.926195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2806.926195][ T1076] ipv6_add_addr+0x411/0x2000 [ 2806.926195][ T1076] inet6_addr_add+0x30e/0xa40 [ 2806.926195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2806.926195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2806.926195][ T1076] netlink_rcv_skb+0x130/0x360 [ 2806.926195][ T1076] netlink_unicast+0x449/0x710 [ 2806.926195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2806.926195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2806.926195][ T1076] ___sys_sendmsg+0xee/0x170 [ 2806.926195][ T1076] __sys_sendmsg+0xcd/0x170 [ 2806.926195][ T1076] do_syscall_64+0xc6/0x1e0 [ 2806.926195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2806.926195][ T1076] [ 2806.928514][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2806.928514][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2806.928514][ T1076] ipv6_find_idev+0x102/0x170 [ 2806.928514][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2806.928514][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2806.928514][ T1076] netlink_rcv_skb+0x130/0x360 [ 2806.928514][ T1076] netlink_unicast+0x449/0x710 [ 2806.928514][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2806.928514][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2806.928514][ T1076] ___sys_sendmsg+0xee/0x170 [ 2806.928514][ T1076] __sys_sendmsg+0xcd/0x170 [ 2806.928514][ T1076] do_syscall_64+0xc6/0x1e0 [ 2806.928514][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2806.928514][ T1076] [ 2806.930838][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2806.930838][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2806.930838][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2806.930838][ T1076] ipv6_find_idev+0x102/0x170 [ 2806.930838][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2806.930838][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2806.930838][ T1076] netlink_rcv_skb+0x130/0x360 [ 2806.930838][ T1076] netlink_unicast+0x449/0x710 [ 2806.930838][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2806.930838][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2806.930838][ T1076] ___sys_sendmsg+0xee/0x170 [ 2806.930838][ T1076] __sys_sendmsg+0xcd/0x170 [ 2806.930838][ T1076] do_syscall_64+0xc6/0x1e0 [ 2806.930838][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2806.930838][ T1076] [ 2817.173776][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2817.174308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2817.174308][ T1076] netdev_get_by_index+0x5e/0x80 [ 2817.174308][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2817.174308][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2817.174308][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2817.174308][ T1076] ipv6_add_addr+0x411/0x2000 [ 2817.174308][ T1076] inet6_addr_add+0x30e/0xa40 [ 2817.174308][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.174308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.174308][ T1076] netlink_rcv_skb+0x130/0x360 [ 2817.174308][ T1076] netlink_unicast+0x449/0x710 [ 2817.174308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2817.174308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2817.174308][ T1076] ___sys_sendmsg+0xee/0x170 [ 2817.174308][ T1076] __sys_sendmsg+0xcd/0x170 [ 2817.174308][ T1076] do_syscall_64+0xc6/0x1e0 [ 2817.174308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.174308][ T1076] [ 2817.176567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2817.176567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2817.176567][ T1076] ipv6_find_idev+0x102/0x170 [ 2817.176567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.176567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.176567][ T1076] netlink_rcv_skb+0x130/0x360 [ 2817.176567][ T1076] netlink_unicast+0x449/0x710 [ 2817.176567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2817.176567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2817.176567][ T1076] ___sys_sendmsg+0xee/0x170 [ 2817.176567][ T1076] __sys_sendmsg+0xcd/0x170 [ 2817.176567][ T1076] do_syscall_64+0xc6/0x1e0 [ 2817.176567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.176567][ T1076] [ 2817.178292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2817.178292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2817.178292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2817.178292][ T1076] ipv6_find_idev+0x102/0x170 [ 2817.178292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.178292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.178292][ T1076] netlink_rcv_skb+0x130/0x360 [ 2817.178292][ T1076] netlink_unicast+0x449/0x710 [ 2817.178292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2817.178292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2817.178292][ T1076] ___sys_sendmsg+0xee/0x170 [ 2817.178292][ T1076] __sys_sendmsg+0xcd/0x170 [ 2817.178292][ T1076] do_syscall_64+0xc6/0x1e0 [ 2817.178292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.178292][ T1076] [ 2827.341672][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2827.342200][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2827.342200][ T1076] netdev_get_by_index+0x5e/0x80 [ 2827.342200][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2827.342200][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2827.342200][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2827.342200][ T1076] ipv6_add_addr+0x411/0x2000 [ 2827.342200][ T1076] inet6_addr_add+0x30e/0xa40 [ 2827.342200][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.342200][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.342200][ T1076] netlink_rcv_skb+0x130/0x360 [ 2827.342200][ T1076] netlink_unicast+0x449/0x710 [ 2827.342200][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2827.342200][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2827.342200][ T1076] ___sys_sendmsg+0xee/0x170 [ 2827.342200][ T1076] __sys_sendmsg+0xcd/0x170 [ 2827.342200][ T1076] do_syscall_64+0xc6/0x1e0 [ 2827.342200][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.342200][ T1076] [ 2827.344483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2827.344483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2827.344483][ T1076] ipv6_find_idev+0x102/0x170 [ 2827.344483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.344483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.344483][ T1076] netlink_rcv_skb+0x130/0x360 [ 2827.344483][ T1076] netlink_unicast+0x449/0x710 [ 2827.344483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2827.344483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2827.344483][ T1076] ___sys_sendmsg+0xee/0x170 [ 2827.344483][ T1076] __sys_sendmsg+0xcd/0x170 [ 2827.344483][ T1076] do_syscall_64+0xc6/0x1e0 [ 2827.344483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.344483][ T1076] [ 2827.346212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2827.346212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2827.346212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2827.346212][ T1076] ipv6_find_idev+0x102/0x170 [ 2827.346212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.346212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.346212][ T1076] netlink_rcv_skb+0x130/0x360 [ 2827.346212][ T1076] netlink_unicast+0x449/0x710 [ 2827.346212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2827.346212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2827.346212][ T1076] ___sys_sendmsg+0xee/0x170 [ 2827.346212][ T1076] __sys_sendmsg+0xcd/0x170 [ 2827.346212][ T1076] do_syscall_64+0xc6/0x1e0 [ 2827.346212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.346212][ T1076] [ 2837.517782][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2837.518302][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2837.518302][ T1076] netdev_get_by_index+0x5e/0x80 [ 2837.518302][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2837.518302][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2837.518302][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2837.518302][ T1076] ipv6_add_addr+0x411/0x2000 [ 2837.518302][ T1076] inet6_addr_add+0x30e/0xa40 [ 2837.518302][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2837.518302][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2837.518302][ T1076] netlink_rcv_skb+0x130/0x360 [ 2837.518302][ T1076] netlink_unicast+0x449/0x710 [ 2837.518302][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2837.518302][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2837.518302][ T1076] ___sys_sendmsg+0xee/0x170 [ 2837.518302][ T1076] __sys_sendmsg+0xcd/0x170 [ 2837.518302][ T1076] do_syscall_64+0xc6/0x1e0 [ 2837.518302][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2837.518302][ T1076] [ 2837.520590][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2837.520590][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2837.520590][ T1076] ipv6_find_idev+0x102/0x170 [ 2837.520590][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2837.520590][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2837.520590][ T1076] netlink_rcv_skb+0x130/0x360 [ 2837.520590][ T1076] netlink_unicast+0x449/0x710 [ 2837.520590][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2837.520590][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2837.520590][ T1076] ___sys_sendmsg+0xee/0x170 [ 2837.520590][ T1076] __sys_sendmsg+0xcd/0x170 [ 2837.520590][ T1076] do_syscall_64+0xc6/0x1e0 [ 2837.520590][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2837.520590][ T1076] [ 2837.522339][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2837.522339][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2837.522339][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2837.522339][ T1076] ipv6_find_idev+0x102/0x170 [ 2837.522339][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2837.522339][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2837.522339][ T1076] netlink_rcv_skb+0x130/0x360 [ 2837.522339][ T1076] netlink_unicast+0x449/0x710 [ 2837.522339][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2837.522339][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2837.522339][ T1076] ___sys_sendmsg+0xee/0x170 [ 2837.522339][ T1076] __sys_sendmsg+0xcd/0x170 [ 2837.522339][ T1076] do_syscall_64+0xc6/0x1e0 [ 2837.522339][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2837.522339][ T1076] [ 2847.605764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2847.606372][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2847.606372][ T1076] netdev_get_by_index+0x5e/0x80 [ 2847.606372][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2847.606372][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2847.606372][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2847.606372][ T1076] ipv6_add_addr+0x411/0x2000 [ 2847.606372][ T1076] inet6_addr_add+0x30e/0xa40 [ 2847.606372][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2847.606372][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2847.606372][ T1076] netlink_rcv_skb+0x130/0x360 [ 2847.606372][ T1076] netlink_unicast+0x449/0x710 [ 2847.606372][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2847.606372][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2847.606372][ T1076] ___sys_sendmsg+0xee/0x170 [ 2847.606372][ T1076] __sys_sendmsg+0xcd/0x170 [ 2847.606372][ T1076] do_syscall_64+0xc6/0x1e0 [ 2847.606372][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2847.606372][ T1076] [ 2847.608663][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2847.608663][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2847.608663][ T1076] ipv6_find_idev+0x102/0x170 [ 2847.608663][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2847.608663][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2847.608663][ T1076] netlink_rcv_skb+0x130/0x360 [ 2847.608663][ T1076] netlink_unicast+0x449/0x710 [ 2847.608663][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2847.608663][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2847.608663][ T1076] ___sys_sendmsg+0xee/0x170 [ 2847.608663][ T1076] __sys_sendmsg+0xcd/0x170 [ 2847.608663][ T1076] do_syscall_64+0xc6/0x1e0 [ 2847.608663][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2847.608663][ T1076] [ 2847.610425][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2847.610425][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2847.610425][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2847.610425][ T1076] ipv6_find_idev+0x102/0x170 [ 2847.610425][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2847.610425][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2847.610425][ T1076] netlink_rcv_skb+0x130/0x360 [ 2847.610425][ T1076] netlink_unicast+0x449/0x710 [ 2847.610425][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2847.610425][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2847.610425][ T1076] ___sys_sendmsg+0xee/0x170 [ 2847.610425][ T1076] __sys_sendmsg+0xcd/0x170 [ 2847.610425][ T1076] do_syscall_64+0xc6/0x1e0 [ 2847.610425][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2847.610425][ T1076] [ 2857.853724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2857.854265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2857.854265][ T1076] netdev_get_by_index+0x5e/0x80 [ 2857.854265][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2857.854265][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2857.854265][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2857.854265][ T1076] ipv6_add_addr+0x411/0x2000 [ 2857.854265][ T1076] inet6_addr_add+0x30e/0xa40 [ 2857.854265][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2857.854265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2857.854265][ T1076] netlink_rcv_skb+0x130/0x360 [ 2857.854265][ T1076] netlink_unicast+0x449/0x710 [ 2857.854265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2857.854265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2857.854265][ T1076] ___sys_sendmsg+0xee/0x170 [ 2857.854265][ T1076] __sys_sendmsg+0xcd/0x170 [ 2857.854265][ T1076] do_syscall_64+0xc6/0x1e0 [ 2857.854265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2857.854265][ T1076] [ 2857.856569][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2857.856569][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2857.856569][ T1076] ipv6_find_idev+0x102/0x170 [ 2857.856569][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2857.856569][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2857.856569][ T1076] netlink_rcv_skb+0x130/0x360 [ 2857.856569][ T1076] netlink_unicast+0x449/0x710 [ 2857.856569][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2857.856569][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2857.856569][ T1076] ___sys_sendmsg+0xee/0x170 [ 2857.856569][ T1076] __sys_sendmsg+0xcd/0x170 [ 2857.856569][ T1076] do_syscall_64+0xc6/0x1e0 [ 2857.856569][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2857.856569][ T1076] [ 2857.858328][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2857.858328][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2857.858328][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2857.858328][ T1076] ipv6_find_idev+0x102/0x170 [ 2857.858328][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2857.858328][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2857.858328][ T1076] netlink_rcv_skb+0x130/0x360 [ 2857.858328][ T1076] netlink_unicast+0x449/0x710 [ 2857.858328][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2857.858328][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2857.858328][ T1076] ___sys_sendmsg+0xee/0x170 [ 2857.858328][ T1076] __sys_sendmsg+0xcd/0x170 [ 2857.858328][ T1076] do_syscall_64+0xc6/0x1e0 [ 2857.858328][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2857.858328][ T1076] [ 2867.957756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2867.958306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2867.958306][ T1076] netdev_get_by_index+0x5e/0x80 [ 2867.958306][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2867.958306][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2867.958306][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2867.958306][ T1076] ipv6_add_addr+0x411/0x2000 [ 2867.958306][ T1076] inet6_addr_add+0x30e/0xa40 [ 2867.958306][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2867.958306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2867.958306][ T1076] netlink_rcv_skb+0x130/0x360 [ 2867.958306][ T1076] netlink_unicast+0x449/0x710 [ 2867.958306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2867.958306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2867.958306][ T1076] ___sys_sendmsg+0xee/0x170 [ 2867.958306][ T1076] __sys_sendmsg+0xcd/0x170 [ 2867.958306][ T1076] do_syscall_64+0xc6/0x1e0 [ 2867.958306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2867.958306][ T1076] [ 2867.960598][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2867.960598][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2867.960598][ T1076] ipv6_find_idev+0x102/0x170 [ 2867.960598][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2867.960598][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2867.960598][ T1076] netlink_rcv_skb+0x130/0x360 [ 2867.960598][ T1076] netlink_unicast+0x449/0x710 [ 2867.960598][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2867.960598][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2867.960598][ T1076] ___sys_sendmsg+0xee/0x170 [ 2867.960598][ T1076] __sys_sendmsg+0xcd/0x170 [ 2867.960598][ T1076] do_syscall_64+0xc6/0x1e0 [ 2867.960598][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2867.960598][ T1076] [ 2867.962341][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2867.962341][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2867.962341][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2867.962341][ T1076] ipv6_find_idev+0x102/0x170 [ 2867.962341][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2867.962341][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2867.962341][ T1076] netlink_rcv_skb+0x130/0x360 [ 2867.962341][ T1076] netlink_unicast+0x449/0x710 [ 2867.962341][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2867.962341][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2867.962341][ T1076] ___sys_sendmsg+0xee/0x170 [ 2867.962341][ T1076] __sys_sendmsg+0xcd/0x170 [ 2867.962341][ T1076] do_syscall_64+0xc6/0x1e0 [ 2867.962341][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2867.962341][ T1076] [ 2878.205720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2878.206261][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2878.206261][ T1076] netdev_get_by_index+0x5e/0x80 [ 2878.206261][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2878.206261][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2878.206261][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2878.206261][ T1076] ipv6_add_addr+0x411/0x2000 [ 2878.206261][ T1076] inet6_addr_add+0x30e/0xa40 [ 2878.206261][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2878.206261][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.206261][ T1076] netlink_rcv_skb+0x130/0x360 [ 2878.206261][ T1076] netlink_unicast+0x449/0x710 [ 2878.206261][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2878.206261][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2878.206261][ T1076] ___sys_sendmsg+0xee/0x170 [ 2878.206261][ T1076] __sys_sendmsg+0xcd/0x170 [ 2878.206261][ T1076] do_syscall_64+0xc6/0x1e0 [ 2878.206261][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.206261][ T1076] [ 2878.208556][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2878.208556][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2878.208556][ T1076] ipv6_find_idev+0x102/0x170 [ 2878.208556][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2878.208556][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.208556][ T1076] netlink_rcv_skb+0x130/0x360 [ 2878.208556][ T1076] netlink_unicast+0x449/0x710 [ 2878.208556][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2878.208556][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2878.208556][ T1076] ___sys_sendmsg+0xee/0x170 [ 2878.208556][ T1076] __sys_sendmsg+0xcd/0x170 [ 2878.208556][ T1076] do_syscall_64+0xc6/0x1e0 [ 2878.208556][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.208556][ T1076] [ 2878.210327][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2878.210327][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2878.210327][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2878.210327][ T1076] ipv6_find_idev+0x102/0x170 [ 2878.210327][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2878.210327][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.210327][ T1076] netlink_rcv_skb+0x130/0x360 [ 2878.210327][ T1076] netlink_unicast+0x449/0x710 [ 2878.210327][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2878.210327][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2878.210327][ T1076] ___sys_sendmsg+0xee/0x170 [ 2878.210327][ T1076] __sys_sendmsg+0xcd/0x170 [ 2878.210327][ T1076] do_syscall_64+0xc6/0x1e0 [ 2878.210327][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.210327][ T1076] [ 2888.253683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2888.254233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2888.254233][ T1076] netdev_get_by_index+0x5e/0x80 [ 2888.254233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2888.254233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2888.254233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2888.254233][ T1076] ipv6_add_addr+0x411/0x2000 [ 2888.254233][ T1076] inet6_addr_add+0x30e/0xa40 [ 2888.254233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2888.254233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.254233][ T1076] netlink_rcv_skb+0x130/0x360 [ 2888.254233][ T1076] netlink_unicast+0x449/0x710 [ 2888.254233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2888.254233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2888.254233][ T1076] ___sys_sendmsg+0xee/0x170 [ 2888.254233][ T1076] __sys_sendmsg+0xcd/0x170 [ 2888.254233][ T1076] do_syscall_64+0xc6/0x1e0 [ 2888.254233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.254233][ T1076] [ 2888.256527][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2888.256527][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2888.256527][ T1076] ipv6_find_idev+0x102/0x170 [ 2888.256527][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2888.256527][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.256527][ T1076] netlink_rcv_skb+0x130/0x360 [ 2888.256527][ T1076] netlink_unicast+0x449/0x710 [ 2888.256527][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2888.256527][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2888.256527][ T1076] ___sys_sendmsg+0xee/0x170 [ 2888.256527][ T1076] __sys_sendmsg+0xcd/0x170 [ 2888.256527][ T1076] do_syscall_64+0xc6/0x1e0 [ 2888.256527][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.256527][ T1076] [ 2888.258293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2888.258293][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2888.258293][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2888.258293][ T1076] ipv6_find_idev+0x102/0x170 [ 2888.258293][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2888.258293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.258293][ T1076] netlink_rcv_skb+0x130/0x360 [ 2888.258293][ T1076] netlink_unicast+0x449/0x710 [ 2888.258293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2888.258293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2888.258293][ T1076] ___sys_sendmsg+0xee/0x170 [ 2888.258293][ T1076] __sys_sendmsg+0xcd/0x170 [ 2888.258293][ T1076] do_syscall_64+0xc6/0x1e0 [ 2888.258293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.258293][ T1076] [ 2898.301739][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2898.302289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2898.302289][ T1076] netdev_get_by_index+0x5e/0x80 [ 2898.302289][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2898.302289][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2898.302289][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2898.302289][ T1076] ipv6_add_addr+0x411/0x2000 [ 2898.302289][ T1076] inet6_addr_add+0x30e/0xa40 [ 2898.302289][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2898.302289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.302289][ T1076] netlink_rcv_skb+0x130/0x360 [ 2898.302289][ T1076] netlink_unicast+0x449/0x710 [ 2898.302289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2898.302289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2898.302289][ T1076] ___sys_sendmsg+0xee/0x170 [ 2898.302289][ T1076] __sys_sendmsg+0xcd/0x170 [ 2898.302289][ T1076] do_syscall_64+0xc6/0x1e0 [ 2898.302289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.302289][ T1076] [ 2898.304580][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2898.304580][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2898.304580][ T1076] ipv6_find_idev+0x102/0x170 [ 2898.304580][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2898.304580][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.304580][ T1076] netlink_rcv_skb+0x130/0x360 [ 2898.304580][ T1076] netlink_unicast+0x449/0x710 [ 2898.304580][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2898.304580][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2898.304580][ T1076] ___sys_sendmsg+0xee/0x170 [ 2898.304580][ T1076] __sys_sendmsg+0xcd/0x170 [ 2898.304580][ T1076] do_syscall_64+0xc6/0x1e0 [ 2898.304580][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.304580][ T1076] [ 2898.306328][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2898.306328][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2898.306328][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2898.306328][ T1076] ipv6_find_idev+0x102/0x170 [ 2898.306328][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2898.306328][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.306328][ T1076] netlink_rcv_skb+0x130/0x360 [ 2898.306328][ T1076] netlink_unicast+0x449/0x710 [ 2898.306328][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2898.306328][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2898.306328][ T1076] ___sys_sendmsg+0xee/0x170 [ 2898.306328][ T1076] __sys_sendmsg+0xcd/0x170 [ 2898.306328][ T1076] do_syscall_64+0xc6/0x1e0 [ 2898.306328][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.306328][ T1076] [ 2908.413753][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2908.414293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2908.414293][ T1076] netdev_get_by_index+0x5e/0x80 [ 2908.414293][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2908.414293][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2908.414293][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2908.414293][ T1076] ipv6_add_addr+0x411/0x2000 [ 2908.414293][ T1076] inet6_addr_add+0x30e/0xa40 [ 2908.414293][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2908.414293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.414293][ T1076] netlink_rcv_skb+0x130/0x360 [ 2908.414293][ T1076] netlink_unicast+0x449/0x710 [ 2908.414293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2908.414293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2908.414293][ T1076] ___sys_sendmsg+0xee/0x170 [ 2908.414293][ T1076] __sys_sendmsg+0xcd/0x170 [ 2908.414293][ T1076] do_syscall_64+0xc6/0x1e0 [ 2908.414293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.414293][ T1076] [ 2908.416584][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2908.416584][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2908.416584][ T1076] ipv6_find_idev+0x102/0x170 [ 2908.416584][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2908.416584][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.416584][ T1076] netlink_rcv_skb+0x130/0x360 [ 2908.416584][ T1076] netlink_unicast+0x449/0x710 [ 2908.416584][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2908.416584][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2908.416584][ T1076] ___sys_sendmsg+0xee/0x170 [ 2908.416584][ T1076] __sys_sendmsg+0xcd/0x170 [ 2908.416584][ T1076] do_syscall_64+0xc6/0x1e0 [ 2908.416584][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.416584][ T1076] [ 2908.418335][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2908.418335][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2908.418335][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2908.418335][ T1076] ipv6_find_idev+0x102/0x170 [ 2908.418335][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2908.418335][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.418335][ T1076] netlink_rcv_skb+0x130/0x360 [ 2908.418335][ T1076] netlink_unicast+0x449/0x710 [ 2908.418335][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2908.418335][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2908.418335][ T1076] ___sys_sendmsg+0xee/0x170 [ 2908.418335][ T1076] __sys_sendmsg+0xcd/0x170 [ 2908.418335][ T1076] do_syscall_64+0xc6/0x1e0 [ 2908.418335][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.418335][ T1076] [ 2918.837740][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2918.838284][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2918.838284][ T1076] netdev_get_by_index+0x5e/0x80 [ 2918.838284][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2918.838284][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2918.838284][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2918.838284][ T1076] ipv6_add_addr+0x411/0x2000 [ 2918.838284][ T1076] inet6_addr_add+0x30e/0xa40 [ 2918.838284][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.838284][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.838284][ T1076] netlink_rcv_skb+0x130/0x360 [ 2918.838284][ T1076] netlink_unicast+0x449/0x710 [ 2918.838284][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2918.838284][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2918.838284][ T1076] ___sys_sendmsg+0xee/0x170 [ 2918.838284][ T1076] __sys_sendmsg+0xcd/0x170 [ 2918.838284][ T1076] do_syscall_64+0xc6/0x1e0 [ 2918.838284][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.838284][ T1076] [ 2918.840599][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2918.840599][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2918.840599][ T1076] ipv6_find_idev+0x102/0x170 [ 2918.840599][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.840599][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.840599][ T1076] netlink_rcv_skb+0x130/0x360 [ 2918.840599][ T1076] netlink_unicast+0x449/0x710 [ 2918.840599][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2918.840599][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2918.840599][ T1076] ___sys_sendmsg+0xee/0x170 [ 2918.840599][ T1076] __sys_sendmsg+0xcd/0x170 [ 2918.840599][ T1076] do_syscall_64+0xc6/0x1e0 [ 2918.840599][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.840599][ T1076] [ 2918.842346][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2918.842346][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2918.842346][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2918.842346][ T1076] ipv6_find_idev+0x102/0x170 [ 2918.842346][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.842346][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.842346][ T1076] netlink_rcv_skb+0x130/0x360 [ 2918.842346][ T1076] netlink_unicast+0x449/0x710 [ 2918.842346][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2918.842346][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2918.842346][ T1076] ___sys_sendmsg+0xee/0x170 [ 2918.842346][ T1076] __sys_sendmsg+0xcd/0x170 [ 2918.842346][ T1076] do_syscall_64+0xc6/0x1e0 [ 2918.842346][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.842346][ T1076] [ 2929.085708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2929.086244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2929.086244][ T1076] netdev_get_by_index+0x5e/0x80 [ 2929.086244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2929.086244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2929.086244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2929.086244][ T1076] ipv6_add_addr+0x411/0x2000 [ 2929.086244][ T1076] inet6_addr_add+0x30e/0xa40 [ 2929.086244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2929.086244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.086244][ T1076] netlink_rcv_skb+0x130/0x360 [ 2929.086244][ T1076] netlink_unicast+0x449/0x710 [ 2929.086244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2929.086244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2929.086244][ T1076] ___sys_sendmsg+0xee/0x170 [ 2929.086244][ T1076] __sys_sendmsg+0xcd/0x170 [ 2929.086244][ T1076] do_syscall_64+0xc6/0x1e0 [ 2929.086244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.086244][ T1076] [ 2929.088578][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2929.088578][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2929.088578][ T1076] ipv6_find_idev+0x102/0x170 [ 2929.088578][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2929.088578][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.088578][ T1076] netlink_rcv_skb+0x130/0x360 [ 2929.088578][ T1076] netlink_unicast+0x449/0x710 [ 2929.088578][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2929.088578][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2929.088578][ T1076] ___sys_sendmsg+0xee/0x170 [ 2929.088578][ T1076] __sys_sendmsg+0xcd/0x170 [ 2929.088578][ T1076] do_syscall_64+0xc6/0x1e0 [ 2929.088578][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.088578][ T1076] [ 2929.090346][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2929.090346][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2929.090346][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2929.090346][ T1076] ipv6_find_idev+0x102/0x170 [ 2929.090346][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2929.090346][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.090346][ T1076] netlink_rcv_skb+0x130/0x360 [ 2929.090346][ T1076] netlink_unicast+0x449/0x710 [ 2929.090346][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2929.090346][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2929.090346][ T1076] ___sys_sendmsg+0xee/0x170 [ 2929.090346][ T1076] __sys_sendmsg+0xcd/0x170 [ 2929.090346][ T1076] do_syscall_64+0xc6/0x1e0 [ 2929.090346][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.090346][ T1076] [ 2939.333720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2939.334297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2939.334297][ T1076] netdev_get_by_index+0x5e/0x80 [ 2939.334297][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2939.334297][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2939.334297][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2939.334297][ T1076] ipv6_add_addr+0x411/0x2000 [ 2939.334297][ T1076] inet6_addr_add+0x30e/0xa40 [ 2939.334297][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2939.334297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.334297][ T1076] netlink_rcv_skb+0x130/0x360 [ 2939.334297][ T1076] netlink_unicast+0x449/0x710 [ 2939.334297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2939.334297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2939.334297][ T1076] ___sys_sendmsg+0xee/0x170 [ 2939.334297][ T1076] __sys_sendmsg+0xcd/0x170 [ 2939.334297][ T1076] do_syscall_64+0xc6/0x1e0 [ 2939.334297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.334297][ T1076] [ 2939.337068][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2939.337068][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2939.337068][ T1076] ipv6_find_idev+0x102/0x170 [ 2939.337068][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2939.337068][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.337068][ T1076] netlink_rcv_skb+0x130/0x360 [ 2939.337068][ T1076] netlink_unicast+0x449/0x710 [ 2939.337068][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2939.337068][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2939.337068][ T1076] ___sys_sendmsg+0xee/0x170 [ 2939.337068][ T1076] __sys_sendmsg+0xcd/0x170 [ 2939.337068][ T1076] do_syscall_64+0xc6/0x1e0 [ 2939.337068][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.337068][ T1076] [ 2939.339324][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2939.339324][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2939.339324][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2939.339324][ T1076] ipv6_find_idev+0x102/0x170 [ 2939.339324][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2939.339324][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.339324][ T1076] netlink_rcv_skb+0x130/0x360 [ 2939.339324][ T1076] netlink_unicast+0x449/0x710 [ 2939.339324][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2939.339324][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2939.339324][ T1076] ___sys_sendmsg+0xee/0x170 [ 2939.339324][ T1076] __sys_sendmsg+0xcd/0x170 [ 2939.339324][ T1076] do_syscall_64+0xc6/0x1e0 [ 2939.339324][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.339324][ T1076] [ 2949.397647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2949.398176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2949.398176][ T1076] netdev_get_by_index+0x5e/0x80 [ 2949.398176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2949.398176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2949.398176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2949.398176][ T1076] ipv6_add_addr+0x411/0x2000 [ 2949.398176][ T1076] inet6_addr_add+0x30e/0xa40 [ 2949.398176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2949.398176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.398176][ T1076] netlink_rcv_skb+0x130/0x360 [ 2949.398176][ T1076] netlink_unicast+0x449/0x710 [ 2949.398176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2949.398176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2949.398176][ T1076] ___sys_sendmsg+0xee/0x170 [ 2949.398176][ T1076] __sys_sendmsg+0xcd/0x170 [ 2949.398176][ T1076] do_syscall_64+0xc6/0x1e0 [ 2949.398176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.398176][ T1076] [ 2949.400470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2949.400470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2949.400470][ T1076] ipv6_find_idev+0x102/0x170 [ 2949.400470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2949.400470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.400470][ T1076] netlink_rcv_skb+0x130/0x360 [ 2949.400470][ T1076] netlink_unicast+0x449/0x710 [ 2949.400470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2949.400470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2949.400470][ T1076] ___sys_sendmsg+0xee/0x170 [ 2949.400470][ T1076] __sys_sendmsg+0xcd/0x170 [ 2949.400470][ T1076] do_syscall_64+0xc6/0x1e0 [ 2949.400470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.400470][ T1076] [ 2949.402589][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2949.402589][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2949.402589][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2949.402589][ T1076] ipv6_find_idev+0x102/0x170 [ 2949.402589][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2949.402589][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.402589][ T1076] netlink_rcv_skb+0x130/0x360 [ 2949.402589][ T1076] netlink_unicast+0x449/0x710 [ 2949.402589][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2949.402589][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2949.402589][ T1076] ___sys_sendmsg+0xee/0x170 [ 2949.402589][ T1076] __sys_sendmsg+0xcd/0x170 [ 2949.402589][ T1076] do_syscall_64+0xc6/0x1e0 [ 2949.402589][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.402589][ T1076] [ 2959.645739][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2959.646278][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2959.646278][ T1076] netdev_get_by_index+0x5e/0x80 [ 2959.646278][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2959.646278][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2959.646278][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2959.646278][ T1076] ipv6_add_addr+0x411/0x2000 [ 2959.646278][ T1076] inet6_addr_add+0x30e/0xa40 [ 2959.646278][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.646278][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.646278][ T1076] netlink_rcv_skb+0x130/0x360 [ 2959.646278][ T1076] netlink_unicast+0x449/0x710 [ 2959.646278][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2959.646278][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2959.646278][ T1076] ___sys_sendmsg+0xee/0x170 [ 2959.646278][ T1076] __sys_sendmsg+0xcd/0x170 [ 2959.646278][ T1076] do_syscall_64+0xc6/0x1e0 [ 2959.646278][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.646278][ T1076] [ 2959.648577][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2959.648577][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2959.648577][ T1076] ipv6_find_idev+0x102/0x170 [ 2959.648577][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.648577][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.648577][ T1076] netlink_rcv_skb+0x130/0x360 [ 2959.648577][ T1076] netlink_unicast+0x449/0x710 [ 2959.648577][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2959.648577][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2959.648577][ T1076] ___sys_sendmsg+0xee/0x170 [ 2959.648577][ T1076] __sys_sendmsg+0xcd/0x170 [ 2959.648577][ T1076] do_syscall_64+0xc6/0x1e0 [ 2959.648577][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.648577][ T1076] [ 2959.650435][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2959.650435][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2959.650435][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2959.650435][ T1076] ipv6_find_idev+0x102/0x170 [ 2959.650435][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.650435][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.650435][ T1076] netlink_rcv_skb+0x130/0x360 [ 2959.650435][ T1076] netlink_unicast+0x449/0x710 [ 2959.650435][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2959.650435][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2959.650435][ T1076] ___sys_sendmsg+0xee/0x170 [ 2959.650435][ T1076] __sys_sendmsg+0xcd/0x170 [ 2959.650435][ T1076] do_syscall_64+0xc6/0x1e0 [ 2959.650435][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.650435][ T1076] [ 2969.893723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2969.894268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2969.894268][ T1076] netdev_get_by_index+0x5e/0x80 [ 2969.894268][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2969.894268][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2969.894268][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2969.894268][ T1076] ipv6_add_addr+0x411/0x2000 [ 2969.894268][ T1076] inet6_addr_add+0x30e/0xa40 [ 2969.894268][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.894268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.894268][ T1076] netlink_rcv_skb+0x130/0x360 [ 2969.894268][ T1076] netlink_unicast+0x449/0x710 [ 2969.894268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2969.894268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2969.894268][ T1076] ___sys_sendmsg+0xee/0x170 [ 2969.894268][ T1076] __sys_sendmsg+0xcd/0x170 [ 2969.894268][ T1076] do_syscall_64+0xc6/0x1e0 [ 2969.894268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.894268][ T1076] [ 2969.896564][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2969.896564][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2969.896564][ T1076] ipv6_find_idev+0x102/0x170 [ 2969.896564][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.896564][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.896564][ T1076] netlink_rcv_skb+0x130/0x360 [ 2969.896564][ T1076] netlink_unicast+0x449/0x710 [ 2969.896564][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2969.896564][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2969.896564][ T1076] ___sys_sendmsg+0xee/0x170 [ 2969.896564][ T1076] __sys_sendmsg+0xcd/0x170 [ 2969.896564][ T1076] do_syscall_64+0xc6/0x1e0 [ 2969.896564][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.896564][ T1076] [ 2969.898311][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2969.898311][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2969.898311][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2969.898311][ T1076] ipv6_find_idev+0x102/0x170 [ 2969.898311][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.898311][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.898311][ T1076] netlink_rcv_skb+0x130/0x360 [ 2969.898311][ T1076] netlink_unicast+0x449/0x710 [ 2969.898311][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2969.898311][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2969.898311][ T1076] ___sys_sendmsg+0xee/0x170 [ 2969.898311][ T1076] __sys_sendmsg+0xcd/0x170 [ 2969.898311][ T1076] do_syscall_64+0xc6/0x1e0 [ 2969.898311][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.898311][ T1076] [ 2979.925750][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2979.926243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2979.926243][ T1076] netdev_get_by_index+0x5e/0x80 [ 2979.926243][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2979.926243][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2979.926243][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2979.926243][ T1076] ipv6_add_addr+0x411/0x2000 [ 2979.926243][ T1076] inet6_addr_add+0x30e/0xa40 [ 2979.926243][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.926243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.926243][ T1076] netlink_rcv_skb+0x130/0x360 [ 2979.926243][ T1076] netlink_unicast+0x449/0x710 [ 2979.926243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2979.926243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2979.926243][ T1076] ___sys_sendmsg+0xee/0x170 [ 2979.926243][ T1076] __sys_sendmsg+0xcd/0x170 [ 2979.926243][ T1076] do_syscall_64+0xc6/0x1e0 [ 2979.926243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.926243][ T1076] [ 2979.928545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2979.928545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2979.928545][ T1076] ipv6_find_idev+0x102/0x170 [ 2979.928545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.928545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.928545][ T1076] netlink_rcv_skb+0x130/0x360 [ 2979.928545][ T1076] netlink_unicast+0x449/0x710 [ 2979.928545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2979.928545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2979.928545][ T1076] ___sys_sendmsg+0xee/0x170 [ 2979.928545][ T1076] __sys_sendmsg+0xcd/0x170 [ 2979.928545][ T1076] do_syscall_64+0xc6/0x1e0 [ 2979.928545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.928545][ T1076] [ 2979.930360][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2979.930360][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2979.930360][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2979.930360][ T1076] ipv6_find_idev+0x102/0x170 [ 2979.930360][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.930360][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.930360][ T1076] netlink_rcv_skb+0x130/0x360 [ 2979.930360][ T1076] netlink_unicast+0x449/0x710 [ 2979.930360][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2979.930360][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2979.930360][ T1076] ___sys_sendmsg+0xee/0x170 [ 2979.930360][ T1076] __sys_sendmsg+0xcd/0x170 [ 2979.930360][ T1076] do_syscall_64+0xc6/0x1e0 [ 2979.930360][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.930360][ T1076] [ 2990.181730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 2990.182244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2990.182244][ T1076] netdev_get_by_index+0x5e/0x80 [ 2990.182244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 2990.182244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 2990.182244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 2990.182244][ T1076] ipv6_add_addr+0x411/0x2000 [ 2990.182244][ T1076] inet6_addr_add+0x30e/0xa40 [ 2990.182244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 2990.182244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.182244][ T1076] netlink_rcv_skb+0x130/0x360 [ 2990.182244][ T1076] netlink_unicast+0x449/0x710 [ 2990.182244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2990.182244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2990.182244][ T1076] ___sys_sendmsg+0xee/0x170 [ 2990.182244][ T1076] __sys_sendmsg+0xcd/0x170 [ 2990.182244][ T1076] do_syscall_64+0xc6/0x1e0 [ 2990.182244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.182244][ T1076] [ 2990.184773][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2990.184773][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 2990.184773][ T1076] ipv6_find_idev+0x102/0x170 [ 2990.184773][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2990.184773][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.184773][ T1076] netlink_rcv_skb+0x130/0x360 [ 2990.184773][ T1076] netlink_unicast+0x449/0x710 [ 2990.184773][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2990.184773][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2990.184773][ T1076] ___sys_sendmsg+0xee/0x170 [ 2990.184773][ T1076] __sys_sendmsg+0xcd/0x170 [ 2990.184773][ T1076] do_syscall_64+0xc6/0x1e0 [ 2990.184773][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.184773][ T1076] [ 2990.186677][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 2990.186677][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 2990.186677][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 2990.186677][ T1076] ipv6_find_idev+0x102/0x170 [ 2990.186677][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 2990.186677][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.186677][ T1076] netlink_rcv_skb+0x130/0x360 [ 2990.186677][ T1076] netlink_unicast+0x449/0x710 [ 2990.186677][ T1076] netlink_sendmsg+0x723/0xbe0 [ 2990.186677][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 2990.186677][ T1076] ___sys_sendmsg+0xee/0x170 [ 2990.186677][ T1076] __sys_sendmsg+0xcd/0x170 [ 2990.186677][ T1076] do_syscall_64+0xc6/0x1e0 [ 2990.186677][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.186677][ T1076] [ 3000.437705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3000.438196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3000.438196][ T1076] netdev_get_by_index+0x5e/0x80 [ 3000.438196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3000.438196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3000.438196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3000.438196][ T1076] ipv6_add_addr+0x411/0x2000 [ 3000.438196][ T1076] inet6_addr_add+0x30e/0xa40 [ 3000.438196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3000.438196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.438196][ T1076] netlink_rcv_skb+0x130/0x360 [ 3000.438196][ T1076] netlink_unicast+0x449/0x710 [ 3000.438196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3000.438196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3000.438196][ T1076] ___sys_sendmsg+0xee/0x170 [ 3000.438196][ T1076] __sys_sendmsg+0xcd/0x170 [ 3000.438196][ T1076] do_syscall_64+0xc6/0x1e0 [ 3000.438196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.438196][ T1076] [ 3000.440693][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3000.440693][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3000.440693][ T1076] ipv6_find_idev+0x102/0x170 [ 3000.440693][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3000.440693][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.440693][ T1076] netlink_rcv_skb+0x130/0x360 [ 3000.440693][ T1076] netlink_unicast+0x449/0x710 [ 3000.440693][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3000.440693][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3000.440693][ T1076] ___sys_sendmsg+0xee/0x170 [ 3000.440693][ T1076] __sys_sendmsg+0xcd/0x170 [ 3000.440693][ T1076] do_syscall_64+0xc6/0x1e0 [ 3000.440693][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.440693][ T1076] [ 3000.442595][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3000.442595][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3000.442595][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3000.442595][ T1076] ipv6_find_idev+0x102/0x170 [ 3000.442595][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3000.442595][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.442595][ T1076] netlink_rcv_skb+0x130/0x360 [ 3000.442595][ T1076] netlink_unicast+0x449/0x710 [ 3000.442595][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3000.442595][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3000.442595][ T1076] ___sys_sendmsg+0xee/0x170 [ 3000.442595][ T1076] __sys_sendmsg+0xcd/0x170 [ 3000.442595][ T1076] do_syscall_64+0xc6/0x1e0 [ 3000.442595][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.442595][ T1076] [ 3010.653775][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3010.654274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3010.654274][ T1076] netdev_get_by_index+0x5e/0x80 [ 3010.654274][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3010.654274][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3010.654274][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3010.654274][ T1076] ipv6_add_addr+0x411/0x2000 [ 3010.654274][ T1076] inet6_addr_add+0x30e/0xa40 [ 3010.654274][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.654274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.654274][ T1076] netlink_rcv_skb+0x130/0x360 [ 3010.654274][ T1076] netlink_unicast+0x449/0x710 [ 3010.654274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3010.654274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3010.654274][ T1076] ___sys_sendmsg+0xee/0x170 [ 3010.654274][ T1076] __sys_sendmsg+0xcd/0x170 [ 3010.654274][ T1076] do_syscall_64+0xc6/0x1e0 [ 3010.654274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.654274][ T1076] [ 3010.656582][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3010.656582][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3010.656582][ T1076] ipv6_find_idev+0x102/0x170 [ 3010.656582][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.656582][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.656582][ T1076] netlink_rcv_skb+0x130/0x360 [ 3010.656582][ T1076] netlink_unicast+0x449/0x710 [ 3010.656582][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3010.656582][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3010.656582][ T1076] ___sys_sendmsg+0xee/0x170 [ 3010.656582][ T1076] __sys_sendmsg+0xcd/0x170 [ 3010.656582][ T1076] do_syscall_64+0xc6/0x1e0 [ 3010.656582][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.656582][ T1076] [ 3010.658357][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3010.658357][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3010.658357][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3010.658357][ T1076] ipv6_find_idev+0x102/0x170 [ 3010.658357][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.658357][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.658357][ T1076] netlink_rcv_skb+0x130/0x360 [ 3010.658357][ T1076] netlink_unicast+0x449/0x710 [ 3010.658357][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3010.658357][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3010.658357][ T1076] ___sys_sendmsg+0xee/0x170 [ 3010.658357][ T1076] __sys_sendmsg+0xcd/0x170 [ 3010.658357][ T1076] do_syscall_64+0xc6/0x1e0 [ 3010.658357][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.658357][ T1076] [ 3020.901670][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3020.902163][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3020.902163][ T1076] netdev_get_by_index+0x5e/0x80 [ 3020.902163][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3020.902163][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3020.902163][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3020.902163][ T1076] ipv6_add_addr+0x411/0x2000 [ 3020.902163][ T1076] inet6_addr_add+0x30e/0xa40 [ 3020.902163][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.902163][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.902163][ T1076] netlink_rcv_skb+0x130/0x360 [ 3020.902163][ T1076] netlink_unicast+0x449/0x710 [ 3020.902163][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3020.902163][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3020.902163][ T1076] ___sys_sendmsg+0xee/0x170 [ 3020.902163][ T1076] __sys_sendmsg+0xcd/0x170 [ 3020.902163][ T1076] do_syscall_64+0xc6/0x1e0 [ 3020.902163][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.902163][ T1076] [ 3020.904477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3020.904477][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3020.904477][ T1076] ipv6_find_idev+0x102/0x170 [ 3020.904477][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.904477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.904477][ T1076] netlink_rcv_skb+0x130/0x360 [ 3020.904477][ T1076] netlink_unicast+0x449/0x710 [ 3020.904477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3020.904477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3020.904477][ T1076] ___sys_sendmsg+0xee/0x170 [ 3020.904477][ T1076] __sys_sendmsg+0xcd/0x170 [ 3020.904477][ T1076] do_syscall_64+0xc6/0x1e0 [ 3020.904477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.904477][ T1076] [ 3020.906267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3020.906267][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3020.906267][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3020.906267][ T1076] ipv6_find_idev+0x102/0x170 [ 3020.906267][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.906267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.906267][ T1076] netlink_rcv_skb+0x130/0x360 [ 3020.906267][ T1076] netlink_unicast+0x449/0x710 [ 3020.906267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3020.906267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3020.906267][ T1076] ___sys_sendmsg+0xee/0x170 [ 3020.906267][ T1076] __sys_sendmsg+0xcd/0x170 [ 3020.906267][ T1076] do_syscall_64+0xc6/0x1e0 [ 3020.906267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.906267][ T1076] [ 3031.149770][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3031.150287][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3031.150287][ T1076] netdev_get_by_index+0x5e/0x80 [ 3031.150287][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3031.150287][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3031.150287][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3031.150287][ T1076] ipv6_add_addr+0x411/0x2000 [ 3031.150287][ T1076] inet6_addr_add+0x30e/0xa40 [ 3031.150287][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3031.150287][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.150287][ T1076] netlink_rcv_skb+0x130/0x360 [ 3031.150287][ T1076] netlink_unicast+0x449/0x710 [ 3031.150287][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3031.150287][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3031.150287][ T1076] ___sys_sendmsg+0xee/0x170 [ 3031.150287][ T1076] __sys_sendmsg+0xcd/0x170 [ 3031.150287][ T1076] do_syscall_64+0xc6/0x1e0 [ 3031.150287][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.150287][ T1076] [ 3031.152807][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3031.152807][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3031.152807][ T1076] ipv6_find_idev+0x102/0x170 [ 3031.152807][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3031.152807][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.152807][ T1076] netlink_rcv_skb+0x130/0x360 [ 3031.152807][ T1076] netlink_unicast+0x449/0x710 [ 3031.152807][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3031.152807][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3031.152807][ T1076] ___sys_sendmsg+0xee/0x170 [ 3031.152807][ T1076] __sys_sendmsg+0xcd/0x170 [ 3031.152807][ T1076] do_syscall_64+0xc6/0x1e0 [ 3031.152807][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.152807][ T1076] [ 3031.154703][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3031.154703][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3031.154703][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3031.154703][ T1076] ipv6_find_idev+0x102/0x170 [ 3031.154703][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3031.154703][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.154703][ T1076] netlink_rcv_skb+0x130/0x360 [ 3031.154703][ T1076] netlink_unicast+0x449/0x710 [ 3031.154703][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3031.154703][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3031.154703][ T1076] ___sys_sendmsg+0xee/0x170 [ 3031.154703][ T1076] __sys_sendmsg+0xcd/0x170 [ 3031.154703][ T1076] do_syscall_64+0xc6/0x1e0 [ 3031.154703][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.154703][ T1076] [ 3041.397731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3041.398223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3041.398223][ T1076] netdev_get_by_index+0x5e/0x80 [ 3041.398223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3041.398223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3041.398223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3041.398223][ T1076] ipv6_add_addr+0x411/0x2000 [ 3041.398223][ T1076] inet6_addr_add+0x30e/0xa40 [ 3041.398223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3041.398223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.398223][ T1076] netlink_rcv_skb+0x130/0x360 [ 3041.398223][ T1076] netlink_unicast+0x449/0x710 [ 3041.398223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3041.398223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3041.398223][ T1076] ___sys_sendmsg+0xee/0x170 [ 3041.398223][ T1076] __sys_sendmsg+0xcd/0x170 [ 3041.398223][ T1076] do_syscall_64+0xc6/0x1e0 [ 3041.398223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.398223][ T1076] [ 3041.400545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3041.400545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3041.400545][ T1076] ipv6_find_idev+0x102/0x170 [ 3041.400545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3041.400545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.400545][ T1076] netlink_rcv_skb+0x130/0x360 [ 3041.400545][ T1076] netlink_unicast+0x449/0x710 [ 3041.400545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3041.400545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3041.400545][ T1076] ___sys_sendmsg+0xee/0x170 [ 3041.400545][ T1076] __sys_sendmsg+0xcd/0x170 [ 3041.400545][ T1076] do_syscall_64+0xc6/0x1e0 [ 3041.400545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.400545][ T1076] [ 3041.402294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3041.402294][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3041.402294][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3041.402294][ T1076] ipv6_find_idev+0x102/0x170 [ 3041.402294][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3041.402294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.402294][ T1076] netlink_rcv_skb+0x130/0x360 [ 3041.402294][ T1076] netlink_unicast+0x449/0x710 [ 3041.402294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3041.402294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3041.402294][ T1076] ___sys_sendmsg+0xee/0x170 [ 3041.402294][ T1076] __sys_sendmsg+0xcd/0x170 [ 3041.402294][ T1076] do_syscall_64+0xc6/0x1e0 [ 3041.402294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.402294][ T1076] [ 3051.429682][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3051.430169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3051.430169][ T1076] netdev_get_by_index+0x5e/0x80 [ 3051.430169][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3051.430169][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3051.430169][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3051.430169][ T1076] ipv6_add_addr+0x411/0x2000 [ 3051.430169][ T1076] inet6_addr_add+0x30e/0xa40 [ 3051.430169][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3051.430169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.430169][ T1076] netlink_rcv_skb+0x130/0x360 [ 3051.430169][ T1076] netlink_unicast+0x449/0x710 [ 3051.430169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3051.430169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3051.430169][ T1076] ___sys_sendmsg+0xee/0x170 [ 3051.430169][ T1076] __sys_sendmsg+0xcd/0x170 [ 3051.430169][ T1076] do_syscall_64+0xc6/0x1e0 [ 3051.430169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.430169][ T1076] [ 3051.432472][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3051.432472][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3051.432472][ T1076] ipv6_find_idev+0x102/0x170 [ 3051.432472][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.432472][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.432472][ T1076] netlink_rcv_skb+0x130/0x360 [ 3051.432472][ T1076] netlink_unicast+0x449/0x710 [ 3051.432472][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3051.432472][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3051.432472][ T1076] ___sys_sendmsg+0xee/0x170 [ 3051.432472][ T1076] __sys_sendmsg+0xcd/0x170 [ 3051.432472][ T1076] do_syscall_64+0xc6/0x1e0 [ 3051.432472][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.432472][ T1076] [ 3051.434225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3051.434225][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3051.434225][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3051.434225][ T1076] ipv6_find_idev+0x102/0x170 [ 3051.434225][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.434225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.434225][ T1076] netlink_rcv_skb+0x130/0x360 [ 3051.434225][ T1076] netlink_unicast+0x449/0x710 [ 3051.434225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3051.434225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3051.434225][ T1076] ___sys_sendmsg+0xee/0x170 [ 3051.434225][ T1076] __sys_sendmsg+0xcd/0x170 [ 3051.434225][ T1076] do_syscall_64+0xc6/0x1e0 [ 3051.434225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.434225][ T1076] [ 3061.677761][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3061.678326][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3061.678326][ T1076] netdev_get_by_index+0x5e/0x80 [ 3061.678326][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3061.678326][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3061.678326][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3061.678326][ T1076] ipv6_add_addr+0x411/0x2000 [ 3061.678326][ T1076] inet6_addr_add+0x30e/0xa40 [ 3061.678326][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.678326][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.678326][ T1076] netlink_rcv_skb+0x130/0x360 [ 3061.678326][ T1076] netlink_unicast+0x449/0x710 [ 3061.678326][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3061.678326][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3061.678326][ T1076] ___sys_sendmsg+0xee/0x170 [ 3061.678326][ T1076] __sys_sendmsg+0xcd/0x170 [ 3061.678326][ T1076] do_syscall_64+0xc6/0x1e0 [ 3061.678326][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.678326][ T1076] [ 3061.680625][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3061.680625][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3061.680625][ T1076] ipv6_find_idev+0x102/0x170 [ 3061.680625][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.680625][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.680625][ T1076] netlink_rcv_skb+0x130/0x360 [ 3061.680625][ T1076] netlink_unicast+0x449/0x710 [ 3061.680625][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3061.680625][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3061.680625][ T1076] ___sys_sendmsg+0xee/0x170 [ 3061.680625][ T1076] __sys_sendmsg+0xcd/0x170 [ 3061.680625][ T1076] do_syscall_64+0xc6/0x1e0 [ 3061.680625][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.680625][ T1076] [ 3061.682380][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3061.682380][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3061.682380][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3061.682380][ T1076] ipv6_find_idev+0x102/0x170 [ 3061.682380][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.682380][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.682380][ T1076] netlink_rcv_skb+0x130/0x360 [ 3061.682380][ T1076] netlink_unicast+0x449/0x710 [ 3061.682380][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3061.682380][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3061.682380][ T1076] ___sys_sendmsg+0xee/0x170 [ 3061.682380][ T1076] __sys_sendmsg+0xcd/0x170 [ 3061.682380][ T1076] do_syscall_64+0xc6/0x1e0 [ 3061.682380][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.682380][ T1076] [ 3071.925669][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3071.926216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3071.926216][ T1076] netdev_get_by_index+0x5e/0x80 [ 3071.926216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3071.926216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3071.926216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3071.926216][ T1076] ipv6_add_addr+0x411/0x2000 [ 3071.926216][ T1076] inet6_addr_add+0x30e/0xa40 [ 3071.926216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.926216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.926216][ T1076] netlink_rcv_skb+0x130/0x360 [ 3071.926216][ T1076] netlink_unicast+0x449/0x710 [ 3071.926216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3071.926216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3071.926216][ T1076] ___sys_sendmsg+0xee/0x170 [ 3071.926216][ T1076] __sys_sendmsg+0xcd/0x170 [ 3071.926216][ T1076] do_syscall_64+0xc6/0x1e0 [ 3071.926216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.926216][ T1076] [ 3071.928544][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3071.928544][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3071.928544][ T1076] ipv6_find_idev+0x102/0x170 [ 3071.928544][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.928544][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.928544][ T1076] netlink_rcv_skb+0x130/0x360 [ 3071.928544][ T1076] netlink_unicast+0x449/0x710 [ 3071.928544][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3071.928544][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3071.928544][ T1076] ___sys_sendmsg+0xee/0x170 [ 3071.928544][ T1076] __sys_sendmsg+0xcd/0x170 [ 3071.928544][ T1076] do_syscall_64+0xc6/0x1e0 [ 3071.928544][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.928544][ T1076] [ 3071.930347][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3071.930347][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3071.930347][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3071.930347][ T1076] ipv6_find_idev+0x102/0x170 [ 3071.930347][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.930347][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.930347][ T1076] netlink_rcv_skb+0x130/0x360 [ 3071.930347][ T1076] netlink_unicast+0x449/0x710 [ 3071.930347][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3071.930347][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3071.930347][ T1076] ___sys_sendmsg+0xee/0x170 [ 3071.930347][ T1076] __sys_sendmsg+0xcd/0x170 [ 3071.930347][ T1076] do_syscall_64+0xc6/0x1e0 [ 3071.930347][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.930347][ T1076] [ 3082.125774][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3082.126298][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3082.126298][ T1076] netdev_get_by_index+0x5e/0x80 [ 3082.126298][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3082.126298][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3082.126298][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3082.126298][ T1076] ipv6_add_addr+0x411/0x2000 [ 3082.126298][ T1076] inet6_addr_add+0x30e/0xa40 [ 3082.126298][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3082.126298][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.126298][ T1076] netlink_rcv_skb+0x130/0x360 [ 3082.126298][ T1076] netlink_unicast+0x449/0x710 [ 3082.126298][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3082.126298][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3082.126298][ T1076] ___sys_sendmsg+0xee/0x170 [ 3082.126298][ T1076] __sys_sendmsg+0xcd/0x170 [ 3082.126298][ T1076] do_syscall_64+0xc6/0x1e0 [ 3082.126298][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.126298][ T1076] [ 3082.128632][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3082.128632][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3082.128632][ T1076] ipv6_find_idev+0x102/0x170 [ 3082.128632][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3082.128632][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.128632][ T1076] netlink_rcv_skb+0x130/0x360 [ 3082.128632][ T1076] netlink_unicast+0x449/0x710 [ 3082.128632][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3082.128632][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3082.128632][ T1076] ___sys_sendmsg+0xee/0x170 [ 3082.128632][ T1076] __sys_sendmsg+0xcd/0x170 [ 3082.128632][ T1076] do_syscall_64+0xc6/0x1e0 [ 3082.128632][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.128632][ T1076] [ 3082.130362][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3082.130362][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3082.130362][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3082.130362][ T1076] ipv6_find_idev+0x102/0x170 [ 3082.130362][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3082.130362][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.130362][ T1076] netlink_rcv_skb+0x130/0x360 [ 3082.130362][ T1076] netlink_unicast+0x449/0x710 [ 3082.130362][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3082.130362][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3082.130362][ T1076] ___sys_sendmsg+0xee/0x170 [ 3082.130362][ T1076] __sys_sendmsg+0xcd/0x170 [ 3082.130362][ T1076] do_syscall_64+0xc6/0x1e0 [ 3082.130362][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.130362][ T1076] [ 3092.373713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3092.374241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3092.374241][ T1076] netdev_get_by_index+0x5e/0x80 [ 3092.374241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3092.374241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3092.374241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3092.374241][ T1076] ipv6_add_addr+0x411/0x2000 [ 3092.374241][ T1076] inet6_addr_add+0x30e/0xa40 [ 3092.374241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.374241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.374241][ T1076] netlink_rcv_skb+0x130/0x360 [ 3092.374241][ T1076] netlink_unicast+0x449/0x710 [ 3092.374241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3092.374241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3092.374241][ T1076] ___sys_sendmsg+0xee/0x170 [ 3092.374241][ T1076] __sys_sendmsg+0xcd/0x170 [ 3092.374241][ T1076] do_syscall_64+0xc6/0x1e0 [ 3092.374241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.374241][ T1076] [ 3092.376539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3092.376539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3092.376539][ T1076] ipv6_find_idev+0x102/0x170 [ 3092.376539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.376539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.376539][ T1076] netlink_rcv_skb+0x130/0x360 [ 3092.376539][ T1076] netlink_unicast+0x449/0x710 [ 3092.376539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3092.376539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3092.376539][ T1076] ___sys_sendmsg+0xee/0x170 [ 3092.376539][ T1076] __sys_sendmsg+0xcd/0x170 [ 3092.376539][ T1076] do_syscall_64+0xc6/0x1e0 [ 3092.376539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.376539][ T1076] [ 3092.378276][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3092.378276][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3092.378276][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3092.378276][ T1076] ipv6_find_idev+0x102/0x170 [ 3092.378276][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.378276][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.378276][ T1076] netlink_rcv_skb+0x130/0x360 [ 3092.378276][ T1076] netlink_unicast+0x449/0x710 [ 3092.378276][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3092.378276][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3092.378276][ T1076] ___sys_sendmsg+0xee/0x170 [ 3092.378276][ T1076] __sys_sendmsg+0xcd/0x170 [ 3092.378276][ T1076] do_syscall_64+0xc6/0x1e0 [ 3092.378276][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.378276][ T1076] [ 3102.621751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3102.622267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3102.622267][ T1076] netdev_get_by_index+0x5e/0x80 [ 3102.622267][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3102.622267][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3102.622267][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3102.622267][ T1076] ipv6_add_addr+0x411/0x2000 [ 3102.622267][ T1076] inet6_addr_add+0x30e/0xa40 [ 3102.622267][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.622267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.622267][ T1076] netlink_rcv_skb+0x130/0x360 [ 3102.622267][ T1076] netlink_unicast+0x449/0x710 [ 3102.622267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3102.622267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3102.622267][ T1076] ___sys_sendmsg+0xee/0x170 [ 3102.622267][ T1076] __sys_sendmsg+0xcd/0x170 [ 3102.622267][ T1076] do_syscall_64+0xc6/0x1e0 [ 3102.622267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.622267][ T1076] [ 3102.624564][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3102.624564][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3102.624564][ T1076] ipv6_find_idev+0x102/0x170 [ 3102.624564][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.624564][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.624564][ T1076] netlink_rcv_skb+0x130/0x360 [ 3102.624564][ T1076] netlink_unicast+0x449/0x710 [ 3102.624564][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3102.624564][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3102.624564][ T1076] ___sys_sendmsg+0xee/0x170 [ 3102.624564][ T1076] __sys_sendmsg+0xcd/0x170 [ 3102.624564][ T1076] do_syscall_64+0xc6/0x1e0 [ 3102.624564][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.624564][ T1076] [ 3102.626304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3102.626304][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3102.626304][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3102.626304][ T1076] ipv6_find_idev+0x102/0x170 [ 3102.626304][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.626304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.626304][ T1076] netlink_rcv_skb+0x130/0x360 [ 3102.626304][ T1076] netlink_unicast+0x449/0x710 [ 3102.626304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3102.626304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3102.626304][ T1076] ___sys_sendmsg+0xee/0x170 [ 3102.626304][ T1076] __sys_sendmsg+0xcd/0x170 [ 3102.626304][ T1076] do_syscall_64+0xc6/0x1e0 [ 3102.626304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.626304][ T1076] [ 3112.869679][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3112.870186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3112.870186][ T1076] netdev_get_by_index+0x5e/0x80 [ 3112.870186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3112.870186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3112.870186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3112.870186][ T1076] ipv6_add_addr+0x411/0x2000 [ 3112.870186][ T1076] inet6_addr_add+0x30e/0xa40 [ 3112.870186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.870186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.870186][ T1076] netlink_rcv_skb+0x130/0x360 [ 3112.870186][ T1076] netlink_unicast+0x449/0x710 [ 3112.870186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3112.870186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3112.870186][ T1076] ___sys_sendmsg+0xee/0x170 [ 3112.870186][ T1076] __sys_sendmsg+0xcd/0x170 [ 3112.870186][ T1076] do_syscall_64+0xc6/0x1e0 [ 3112.870186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.870186][ T1076] [ 3112.872450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3112.872450][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3112.872450][ T1076] ipv6_find_idev+0x102/0x170 [ 3112.872450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.872450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.872450][ T1076] netlink_rcv_skb+0x130/0x360 [ 3112.872450][ T1076] netlink_unicast+0x449/0x710 [ 3112.872450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3112.872450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3112.872450][ T1076] ___sys_sendmsg+0xee/0x170 [ 3112.872450][ T1076] __sys_sendmsg+0xcd/0x170 [ 3112.872450][ T1076] do_syscall_64+0xc6/0x1e0 [ 3112.872450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.872450][ T1076] [ 3112.874178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3112.874178][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3112.874178][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3112.874178][ T1076] ipv6_find_idev+0x102/0x170 [ 3112.874178][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.874178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.874178][ T1076] netlink_rcv_skb+0x130/0x360 [ 3112.874178][ T1076] netlink_unicast+0x449/0x710 [ 3112.874178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3112.874178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3112.874178][ T1076] ___sys_sendmsg+0xee/0x170 [ 3112.874178][ T1076] __sys_sendmsg+0xcd/0x170 [ 3112.874178][ T1076] do_syscall_64+0xc6/0x1e0 [ 3112.874178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.874178][ T1076] [ 3123.117714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3123.118186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3123.118186][ T1076] netdev_get_by_index+0x5e/0x80 [ 3123.118186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3123.118186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3123.118186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3123.118186][ T1076] ipv6_add_addr+0x411/0x2000 [ 3123.118186][ T1076] inet6_addr_add+0x30e/0xa40 [ 3123.118186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3123.118186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.118186][ T1076] netlink_rcv_skb+0x130/0x360 [ 3123.118186][ T1076] netlink_unicast+0x449/0x710 [ 3123.118186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3123.118186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3123.118186][ T1076] ___sys_sendmsg+0xee/0x170 [ 3123.118186][ T1076] __sys_sendmsg+0xcd/0x170 [ 3123.118186][ T1076] do_syscall_64+0xc6/0x1e0 [ 3123.118186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.118186][ T1076] [ 3123.120462][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3123.120462][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3123.120462][ T1076] ipv6_find_idev+0x102/0x170 [ 3123.120462][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3123.120462][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.120462][ T1076] netlink_rcv_skb+0x130/0x360 [ 3123.120462][ T1076] netlink_unicast+0x449/0x710 [ 3123.120462][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3123.120462][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3123.120462][ T1076] ___sys_sendmsg+0xee/0x170 [ 3123.120462][ T1076] __sys_sendmsg+0xcd/0x170 [ 3123.120462][ T1076] do_syscall_64+0xc6/0x1e0 [ 3123.120462][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.120462][ T1076] [ 3123.122194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3123.122194][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3123.122194][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3123.122194][ T1076] ipv6_find_idev+0x102/0x170 [ 3123.122194][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3123.122194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.122194][ T1076] netlink_rcv_skb+0x130/0x360 [ 3123.122194][ T1076] netlink_unicast+0x449/0x710 [ 3123.122194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3123.122194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3123.122194][ T1076] ___sys_sendmsg+0xee/0x170 [ 3123.122194][ T1076] __sys_sendmsg+0xcd/0x170 [ 3123.122194][ T1076] do_syscall_64+0xc6/0x1e0 [ 3123.122194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.122194][ T1076] [ 3133.293762][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3133.294291][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3133.294291][ T1076] netdev_get_by_index+0x5e/0x80 [ 3133.294291][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3133.294291][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3133.294291][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3133.294291][ T1076] ipv6_add_addr+0x411/0x2000 [ 3133.294291][ T1076] inet6_addr_add+0x30e/0xa40 [ 3133.294291][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3133.294291][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.294291][ T1076] netlink_rcv_skb+0x130/0x360 [ 3133.294291][ T1076] netlink_unicast+0x449/0x710 [ 3133.294291][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3133.294291][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3133.294291][ T1076] ___sys_sendmsg+0xee/0x170 [ 3133.294291][ T1076] __sys_sendmsg+0xcd/0x170 [ 3133.294291][ T1076] do_syscall_64+0xc6/0x1e0 [ 3133.294291][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.294291][ T1076] [ 3133.296565][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3133.296565][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3133.296565][ T1076] ipv6_find_idev+0x102/0x170 [ 3133.296565][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.296565][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.296565][ T1076] netlink_rcv_skb+0x130/0x360 [ 3133.296565][ T1076] netlink_unicast+0x449/0x710 [ 3133.296565][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3133.296565][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3133.296565][ T1076] ___sys_sendmsg+0xee/0x170 [ 3133.296565][ T1076] __sys_sendmsg+0xcd/0x170 [ 3133.296565][ T1076] do_syscall_64+0xc6/0x1e0 [ 3133.296565][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.296565][ T1076] [ 3133.298322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3133.298322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3133.298322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3133.298322][ T1076] ipv6_find_idev+0x102/0x170 [ 3133.298322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.298322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.298322][ T1076] netlink_rcv_skb+0x130/0x360 [ 3133.298322][ T1076] netlink_unicast+0x449/0x710 [ 3133.298322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3133.298322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3133.298322][ T1076] ___sys_sendmsg+0xee/0x170 [ 3133.298322][ T1076] __sys_sendmsg+0xcd/0x170 [ 3133.298322][ T1076] do_syscall_64+0xc6/0x1e0 [ 3133.298322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.298322][ T1076] [ 3143.469731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3143.470248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3143.470248][ T1076] netdev_get_by_index+0x5e/0x80 [ 3143.470248][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3143.470248][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3143.470248][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3143.470248][ T1076] ipv6_add_addr+0x411/0x2000 [ 3143.470248][ T1076] inet6_addr_add+0x30e/0xa40 [ 3143.470248][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.470248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.470248][ T1076] netlink_rcv_skb+0x130/0x360 [ 3143.470248][ T1076] netlink_unicast+0x449/0x710 [ 3143.470248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3143.470248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3143.470248][ T1076] ___sys_sendmsg+0xee/0x170 [ 3143.470248][ T1076] __sys_sendmsg+0xcd/0x170 [ 3143.470248][ T1076] do_syscall_64+0xc6/0x1e0 [ 3143.470248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.470248][ T1076] [ 3143.472519][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3143.472519][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3143.472519][ T1076] ipv6_find_idev+0x102/0x170 [ 3143.472519][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.472519][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.472519][ T1076] netlink_rcv_skb+0x130/0x360 [ 3143.472519][ T1076] netlink_unicast+0x449/0x710 [ 3143.472519][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3143.472519][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3143.472519][ T1076] ___sys_sendmsg+0xee/0x170 [ 3143.472519][ T1076] __sys_sendmsg+0xcd/0x170 [ 3143.472519][ T1076] do_syscall_64+0xc6/0x1e0 [ 3143.472519][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.472519][ T1076] [ 3143.474256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3143.474256][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3143.474256][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3143.474256][ T1076] ipv6_find_idev+0x102/0x170 [ 3143.474256][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.474256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.474256][ T1076] netlink_rcv_skb+0x130/0x360 [ 3143.474256][ T1076] netlink_unicast+0x449/0x710 [ 3143.474256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3143.474256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3143.474256][ T1076] ___sys_sendmsg+0xee/0x170 [ 3143.474256][ T1076] __sys_sendmsg+0xcd/0x170 [ 3143.474256][ T1076] do_syscall_64+0xc6/0x1e0 [ 3143.474256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.474256][ T1076] [ 3153.717706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3153.718266][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3153.718266][ T1076] netdev_get_by_index+0x5e/0x80 [ 3153.718266][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3153.718266][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3153.718266][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3153.718266][ T1076] ipv6_add_addr+0x411/0x2000 [ 3153.718266][ T1076] inet6_addr_add+0x30e/0xa40 [ 3153.718266][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.718266][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.718266][ T1076] netlink_rcv_skb+0x130/0x360 [ 3153.718266][ T1076] netlink_unicast+0x449/0x710 [ 3153.718266][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3153.718266][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3153.718266][ T1076] ___sys_sendmsg+0xee/0x170 [ 3153.718266][ T1076] __sys_sendmsg+0xcd/0x170 [ 3153.718266][ T1076] do_syscall_64+0xc6/0x1e0 [ 3153.718266][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.718266][ T1076] [ 3153.720529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3153.720529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3153.720529][ T1076] ipv6_find_idev+0x102/0x170 [ 3153.720529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.720529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.720529][ T1076] netlink_rcv_skb+0x130/0x360 [ 3153.720529][ T1076] netlink_unicast+0x449/0x710 [ 3153.720529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3153.720529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3153.720529][ T1076] ___sys_sendmsg+0xee/0x170 [ 3153.720529][ T1076] __sys_sendmsg+0xcd/0x170 [ 3153.720529][ T1076] do_syscall_64+0xc6/0x1e0 [ 3153.720529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.720529][ T1076] [ 3153.722263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3153.722263][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3153.722263][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3153.722263][ T1076] ipv6_find_idev+0x102/0x170 [ 3153.722263][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.722263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.722263][ T1076] netlink_rcv_skb+0x130/0x360 [ 3153.722263][ T1076] netlink_unicast+0x449/0x710 [ 3153.722263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3153.722263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3153.722263][ T1076] ___sys_sendmsg+0xee/0x170 [ 3153.722263][ T1076] __sys_sendmsg+0xcd/0x170 [ 3153.722263][ T1076] do_syscall_64+0xc6/0x1e0 [ 3153.722263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.722263][ T1076] [ 3163.965700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3163.966217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3163.966217][ T1076] netdev_get_by_index+0x5e/0x80 [ 3163.966217][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3163.966217][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3163.966217][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3163.966217][ T1076] ipv6_add_addr+0x411/0x2000 [ 3163.966217][ T1076] inet6_addr_add+0x30e/0xa40 [ 3163.966217][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.966217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.966217][ T1076] netlink_rcv_skb+0x130/0x360 [ 3163.966217][ T1076] netlink_unicast+0x449/0x710 [ 3163.966217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3163.966217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3163.966217][ T1076] ___sys_sendmsg+0xee/0x170 [ 3163.966217][ T1076] __sys_sendmsg+0xcd/0x170 [ 3163.966217][ T1076] do_syscall_64+0xc6/0x1e0 [ 3163.966217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.966217][ T1076] [ 3163.968579][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3163.968579][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3163.968579][ T1076] ipv6_find_idev+0x102/0x170 [ 3163.968579][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.968579][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.968579][ T1076] netlink_rcv_skb+0x130/0x360 [ 3163.968579][ T1076] netlink_unicast+0x449/0x710 [ 3163.968579][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3163.968579][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3163.968579][ T1076] ___sys_sendmsg+0xee/0x170 [ 3163.968579][ T1076] __sys_sendmsg+0xcd/0x170 [ 3163.968579][ T1076] do_syscall_64+0xc6/0x1e0 [ 3163.968579][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.968579][ T1076] [ 3163.970331][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3163.970331][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3163.970331][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3163.970331][ T1076] ipv6_find_idev+0x102/0x170 [ 3163.970331][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.970331][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.970331][ T1076] netlink_rcv_skb+0x130/0x360 [ 3163.970331][ T1076] netlink_unicast+0x449/0x710 [ 3163.970331][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3163.970331][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3163.970331][ T1076] ___sys_sendmsg+0xee/0x170 [ 3163.970331][ T1076] __sys_sendmsg+0xcd/0x170 [ 3163.970331][ T1076] do_syscall_64+0xc6/0x1e0 [ 3163.970331][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.970331][ T1076] [ 3174.213726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3174.214260][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3174.214260][ T1076] netdev_get_by_index+0x5e/0x80 [ 3174.214260][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3174.214260][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3174.214260][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3174.214260][ T1076] ipv6_add_addr+0x411/0x2000 [ 3174.214260][ T1076] inet6_addr_add+0x30e/0xa40 [ 3174.214260][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.214260][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.214260][ T1076] netlink_rcv_skb+0x130/0x360 [ 3174.214260][ T1076] netlink_unicast+0x449/0x710 [ 3174.214260][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3174.214260][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3174.214260][ T1076] ___sys_sendmsg+0xee/0x170 [ 3174.214260][ T1076] __sys_sendmsg+0xcd/0x170 [ 3174.214260][ T1076] do_syscall_64+0xc6/0x1e0 [ 3174.214260][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.214260][ T1076] [ 3174.216545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3174.216545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3174.216545][ T1076] ipv6_find_idev+0x102/0x170 [ 3174.216545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.216545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.216545][ T1076] netlink_rcv_skb+0x130/0x360 [ 3174.216545][ T1076] netlink_unicast+0x449/0x710 [ 3174.216545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3174.216545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3174.216545][ T1076] ___sys_sendmsg+0xee/0x170 [ 3174.216545][ T1076] __sys_sendmsg+0xcd/0x170 [ 3174.216545][ T1076] do_syscall_64+0xc6/0x1e0 [ 3174.216545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.216545][ T1076] [ 3174.218304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3174.218304][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3174.218304][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3174.218304][ T1076] ipv6_find_idev+0x102/0x170 [ 3174.218304][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.218304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.218304][ T1076] netlink_rcv_skb+0x130/0x360 [ 3174.218304][ T1076] netlink_unicast+0x449/0x710 [ 3174.218304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3174.218304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3174.218304][ T1076] ___sys_sendmsg+0xee/0x170 [ 3174.218304][ T1076] __sys_sendmsg+0xcd/0x170 [ 3174.218304][ T1076] do_syscall_64+0xc6/0x1e0 [ 3174.218304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.218304][ T1076] [ 3184.461647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3184.462156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3184.462156][ T1076] netdev_get_by_index+0x5e/0x80 [ 3184.462156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3184.462156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3184.462156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3184.462156][ T1076] ipv6_add_addr+0x411/0x2000 [ 3184.462156][ T1076] inet6_addr_add+0x30e/0xa40 [ 3184.462156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.462156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.462156][ T1076] netlink_rcv_skb+0x130/0x360 [ 3184.462156][ T1076] netlink_unicast+0x449/0x710 [ 3184.462156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3184.462156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3184.462156][ T1076] ___sys_sendmsg+0xee/0x170 [ 3184.462156][ T1076] __sys_sendmsg+0xcd/0x170 [ 3184.462156][ T1076] do_syscall_64+0xc6/0x1e0 [ 3184.462156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.462156][ T1076] [ 3184.466594][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3184.466594][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3184.466594][ T1076] ipv6_find_idev+0x102/0x170 [ 3184.466594][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.466594][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.466594][ T1076] netlink_rcv_skb+0x130/0x360 [ 3184.466594][ T1076] netlink_unicast+0x449/0x710 [ 3184.466594][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3184.466594][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3184.466594][ T1076] ___sys_sendmsg+0xee/0x170 [ 3184.466594][ T1076] __sys_sendmsg+0xcd/0x170 [ 3184.466594][ T1076] do_syscall_64+0xc6/0x1e0 [ 3184.466594][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.466594][ T1076] [ 3184.470277][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3184.470277][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3184.470277][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3184.470277][ T1076] ipv6_find_idev+0x102/0x170 [ 3184.470277][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.470277][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.470277][ T1076] netlink_rcv_skb+0x130/0x360 [ 3184.470277][ T1076] netlink_unicast+0x449/0x710 [ 3184.470277][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3184.470277][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3184.470277][ T1076] ___sys_sendmsg+0xee/0x170 [ 3184.470277][ T1076] __sys_sendmsg+0xcd/0x170 [ 3184.470277][ T1076] do_syscall_64+0xc6/0x1e0 [ 3184.470277][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.470277][ T1076] [ 3194.549809][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3194.550325][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3194.550325][ T1076] netdev_get_by_index+0x5e/0x80 [ 3194.550325][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3194.550325][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3194.550325][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3194.550325][ T1076] ipv6_add_addr+0x411/0x2000 [ 3194.550325][ T1076] inet6_addr_add+0x30e/0xa40 [ 3194.550325][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.550325][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.550325][ T1076] netlink_rcv_skb+0x130/0x360 [ 3194.550325][ T1076] netlink_unicast+0x449/0x710 [ 3194.550325][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3194.550325][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3194.550325][ T1076] ___sys_sendmsg+0xee/0x170 [ 3194.550325][ T1076] __sys_sendmsg+0xcd/0x170 [ 3194.550325][ T1076] do_syscall_64+0xc6/0x1e0 [ 3194.550325][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.550325][ T1076] [ 3194.552597][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3194.552597][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3194.552597][ T1076] ipv6_find_idev+0x102/0x170 [ 3194.552597][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.552597][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.552597][ T1076] netlink_rcv_skb+0x130/0x360 [ 3194.552597][ T1076] netlink_unicast+0x449/0x710 [ 3194.552597][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3194.552597][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3194.552597][ T1076] ___sys_sendmsg+0xee/0x170 [ 3194.552597][ T1076] __sys_sendmsg+0xcd/0x170 [ 3194.552597][ T1076] do_syscall_64+0xc6/0x1e0 [ 3194.552597][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.552597][ T1076] [ 3194.554460][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3194.554460][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3194.554460][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3194.554460][ T1076] ipv6_find_idev+0x102/0x170 [ 3194.554460][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.554460][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.554460][ T1076] netlink_rcv_skb+0x130/0x360 [ 3194.554460][ T1076] netlink_unicast+0x449/0x710 [ 3194.554460][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3194.554460][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3194.554460][ T1076] ___sys_sendmsg+0xee/0x170 [ 3194.554460][ T1076] __sys_sendmsg+0xcd/0x170 [ 3194.554460][ T1076] do_syscall_64+0xc6/0x1e0 [ 3194.554460][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.554460][ T1076] [ 3204.589691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3204.590134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3204.590134][ T1076] netdev_get_by_index+0x5e/0x80 [ 3204.590134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3204.590134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3204.590134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3204.590134][ T1076] ipv6_add_addr+0x411/0x2000 [ 3204.590134][ T1076] inet6_addr_add+0x30e/0xa40 [ 3204.590134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.590134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.590134][ T1076] netlink_rcv_skb+0x130/0x360 [ 3204.590134][ T1076] netlink_unicast+0x449/0x710 [ 3204.590134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3204.590134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3204.590134][ T1076] ___sys_sendmsg+0xee/0x170 [ 3204.590134][ T1076] __sys_sendmsg+0xcd/0x170 [ 3204.590134][ T1076] do_syscall_64+0xc6/0x1e0 [ 3204.590134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.590134][ T1076] [ 3204.592414][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3204.592414][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3204.592414][ T1076] ipv6_find_idev+0x102/0x170 [ 3204.592414][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.592414][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.592414][ T1076] netlink_rcv_skb+0x130/0x360 [ 3204.592414][ T1076] netlink_unicast+0x449/0x710 [ 3204.592414][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3204.592414][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3204.592414][ T1076] ___sys_sendmsg+0xee/0x170 [ 3204.592414][ T1076] __sys_sendmsg+0xcd/0x170 [ 3204.592414][ T1076] do_syscall_64+0xc6/0x1e0 [ 3204.592414][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.592414][ T1076] [ 3204.594141][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3204.594141][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3204.594141][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3204.594141][ T1076] ipv6_find_idev+0x102/0x170 [ 3204.594141][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.594141][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.594141][ T1076] netlink_rcv_skb+0x130/0x360 [ 3204.594141][ T1076] netlink_unicast+0x449/0x710 [ 3204.594141][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3204.594141][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3204.594141][ T1076] ___sys_sendmsg+0xee/0x170 [ 3204.594141][ T1076] __sys_sendmsg+0xcd/0x170 [ 3204.594141][ T1076] do_syscall_64+0xc6/0x1e0 [ 3204.594141][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.594141][ T1076] [ 3214.845708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3214.846224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3214.846224][ T1076] netdev_get_by_index+0x5e/0x80 [ 3214.846224][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3214.846224][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3214.846224][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3214.846224][ T1076] ipv6_add_addr+0x411/0x2000 [ 3214.846224][ T1076] inet6_addr_add+0x30e/0xa40 [ 3214.846224][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.846224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.846224][ T1076] netlink_rcv_skb+0x130/0x360 [ 3214.846224][ T1076] netlink_unicast+0x449/0x710 [ 3214.846224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3214.846224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3214.846224][ T1076] ___sys_sendmsg+0xee/0x170 [ 3214.846224][ T1076] __sys_sendmsg+0xcd/0x170 [ 3214.846224][ T1076] do_syscall_64+0xc6/0x1e0 [ 3214.846224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.846224][ T1076] [ 3214.848502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3214.848502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3214.848502][ T1076] ipv6_find_idev+0x102/0x170 [ 3214.848502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.848502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.848502][ T1076] netlink_rcv_skb+0x130/0x360 [ 3214.848502][ T1076] netlink_unicast+0x449/0x710 [ 3214.848502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3214.848502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3214.848502][ T1076] ___sys_sendmsg+0xee/0x170 [ 3214.848502][ T1076] __sys_sendmsg+0xcd/0x170 [ 3214.848502][ T1076] do_syscall_64+0xc6/0x1e0 [ 3214.848502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.848502][ T1076] [ 3214.850239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3214.850239][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3214.850239][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3214.850239][ T1076] ipv6_find_idev+0x102/0x170 [ 3214.850239][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.850239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.850239][ T1076] netlink_rcv_skb+0x130/0x360 [ 3214.850239][ T1076] netlink_unicast+0x449/0x710 [ 3214.850239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3214.850239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3214.850239][ T1076] ___sys_sendmsg+0xee/0x170 [ 3214.850239][ T1076] __sys_sendmsg+0xcd/0x170 [ 3214.850239][ T1076] do_syscall_64+0xc6/0x1e0 [ 3214.850239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.850239][ T1076] [ 3225.101698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3225.102437][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3225.102437][ T1076] netdev_get_by_index+0x5e/0x80 [ 3225.102437][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3225.102437][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3225.102437][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3225.102437][ T1076] ipv6_add_addr+0x411/0x2000 [ 3225.102437][ T1076] inet6_addr_add+0x30e/0xa40 [ 3225.102437][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.102437][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.102437][ T1076] netlink_rcv_skb+0x130/0x360 [ 3225.102437][ T1076] netlink_unicast+0x449/0x710 [ 3225.102437][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3225.102437][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3225.102437][ T1076] ___sys_sendmsg+0xee/0x170 [ 3225.102437][ T1076] __sys_sendmsg+0xcd/0x170 [ 3225.102437][ T1076] do_syscall_64+0xc6/0x1e0 [ 3225.102437][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.102437][ T1076] [ 3225.104927][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3225.104927][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3225.104927][ T1076] ipv6_find_idev+0x102/0x170 [ 3225.104927][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.104927][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.104927][ T1076] netlink_rcv_skb+0x130/0x360 [ 3225.104927][ T1076] netlink_unicast+0x449/0x710 [ 3225.104927][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3225.104927][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3225.104927][ T1076] ___sys_sendmsg+0xee/0x170 [ 3225.104927][ T1076] __sys_sendmsg+0xcd/0x170 [ 3225.104927][ T1076] do_syscall_64+0xc6/0x1e0 [ 3225.104927][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.104927][ T1076] [ 3225.106676][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3225.106676][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3225.106676][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3225.106676][ T1076] ipv6_find_idev+0x102/0x170 [ 3225.106676][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.106676][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.106676][ T1076] netlink_rcv_skb+0x130/0x360 [ 3225.106676][ T1076] netlink_unicast+0x449/0x710 [ 3225.106676][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3225.106676][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3225.106676][ T1076] ___sys_sendmsg+0xee/0x170 [ 3225.106676][ T1076] __sys_sendmsg+0xcd/0x170 [ 3225.106676][ T1076] do_syscall_64+0xc6/0x1e0 [ 3225.106676][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.106676][ T1076] [ 3235.149702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3235.150227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3235.150227][ T1076] netdev_get_by_index+0x5e/0x80 [ 3235.150227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3235.150227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3235.150227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3235.150227][ T1076] ipv6_add_addr+0x411/0x2000 [ 3235.150227][ T1076] inet6_addr_add+0x30e/0xa40 [ 3235.150227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.150227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.150227][ T1076] netlink_rcv_skb+0x130/0x360 [ 3235.150227][ T1076] netlink_unicast+0x449/0x710 [ 3235.150227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3235.150227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3235.150227][ T1076] ___sys_sendmsg+0xee/0x170 [ 3235.150227][ T1076] __sys_sendmsg+0xcd/0x170 [ 3235.150227][ T1076] do_syscall_64+0xc6/0x1e0 [ 3235.150227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.150227][ T1076] [ 3235.152483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3235.152483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3235.152483][ T1076] ipv6_find_idev+0x102/0x170 [ 3235.152483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.152483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.152483][ T1076] netlink_rcv_skb+0x130/0x360 [ 3235.152483][ T1076] netlink_unicast+0x449/0x710 [ 3235.152483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3235.152483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3235.152483][ T1076] ___sys_sendmsg+0xee/0x170 [ 3235.152483][ T1076] __sys_sendmsg+0xcd/0x170 [ 3235.152483][ T1076] do_syscall_64+0xc6/0x1e0 [ 3235.152483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.152483][ T1076] [ 3235.154206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3235.154206][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3235.154206][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3235.154206][ T1076] ipv6_find_idev+0x102/0x170 [ 3235.154206][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.154206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.154206][ T1076] netlink_rcv_skb+0x130/0x360 [ 3235.154206][ T1076] netlink_unicast+0x449/0x710 [ 3235.154206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3235.154206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3235.154206][ T1076] ___sys_sendmsg+0xee/0x170 [ 3235.154206][ T1076] __sys_sendmsg+0xcd/0x170 [ 3235.154206][ T1076] do_syscall_64+0xc6/0x1e0 [ 3235.154206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.154206][ T1076] [ 3245.405677][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3245.406206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3245.406206][ T1076] netdev_get_by_index+0x5e/0x80 [ 3245.406206][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3245.406206][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3245.406206][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3245.406206][ T1076] ipv6_add_addr+0x411/0x2000 [ 3245.406206][ T1076] inet6_addr_add+0x30e/0xa40 [ 3245.406206][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.406206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.406206][ T1076] netlink_rcv_skb+0x130/0x360 [ 3245.406206][ T1076] netlink_unicast+0x449/0x710 [ 3245.406206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3245.406206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3245.406206][ T1076] ___sys_sendmsg+0xee/0x170 [ 3245.406206][ T1076] __sys_sendmsg+0xcd/0x170 [ 3245.406206][ T1076] do_syscall_64+0xc6/0x1e0 [ 3245.406206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.406206][ T1076] [ 3245.408527][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3245.408527][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3245.408527][ T1076] ipv6_find_idev+0x102/0x170 [ 3245.408527][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.408527][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.408527][ T1076] netlink_rcv_skb+0x130/0x360 [ 3245.408527][ T1076] netlink_unicast+0x449/0x710 [ 3245.408527][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3245.408527][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3245.408527][ T1076] ___sys_sendmsg+0xee/0x170 [ 3245.408527][ T1076] __sys_sendmsg+0xcd/0x170 [ 3245.408527][ T1076] do_syscall_64+0xc6/0x1e0 [ 3245.408527][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.408527][ T1076] [ 3245.410366][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3245.410366][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3245.410366][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3245.410366][ T1076] ipv6_find_idev+0x102/0x170 [ 3245.410366][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.410366][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.410366][ T1076] netlink_rcv_skb+0x130/0x360 [ 3245.410366][ T1076] netlink_unicast+0x449/0x710 [ 3245.410366][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3245.410366][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3245.410366][ T1076] ___sys_sendmsg+0xee/0x170 [ 3245.410366][ T1076] __sys_sendmsg+0xcd/0x170 [ 3245.410366][ T1076] do_syscall_64+0xc6/0x1e0 [ 3245.410366][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.410366][ T1076] [ 3255.453698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3255.454217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3255.454217][ T1076] netdev_get_by_index+0x5e/0x80 [ 3255.454217][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3255.454217][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3255.454217][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3255.454217][ T1076] ipv6_add_addr+0x411/0x2000 [ 3255.454217][ T1076] inet6_addr_add+0x30e/0xa40 [ 3255.454217][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.454217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.454217][ T1076] netlink_rcv_skb+0x130/0x360 [ 3255.454217][ T1076] netlink_unicast+0x449/0x710 [ 3255.454217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3255.454217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3255.454217][ T1076] ___sys_sendmsg+0xee/0x170 [ 3255.454217][ T1076] __sys_sendmsg+0xcd/0x170 [ 3255.454217][ T1076] do_syscall_64+0xc6/0x1e0 [ 3255.454217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.454217][ T1076] [ 3255.456487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3255.456487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3255.456487][ T1076] ipv6_find_idev+0x102/0x170 [ 3255.456487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.456487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.456487][ T1076] netlink_rcv_skb+0x130/0x360 [ 3255.456487][ T1076] netlink_unicast+0x449/0x710 [ 3255.456487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3255.456487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3255.456487][ T1076] ___sys_sendmsg+0xee/0x170 [ 3255.456487][ T1076] __sys_sendmsg+0xcd/0x170 [ 3255.456487][ T1076] do_syscall_64+0xc6/0x1e0 [ 3255.456487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.456487][ T1076] [ 3255.458230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3255.458230][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3255.458230][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3255.458230][ T1076] ipv6_find_idev+0x102/0x170 [ 3255.458230][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.458230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.458230][ T1076] netlink_rcv_skb+0x130/0x360 [ 3255.458230][ T1076] netlink_unicast+0x449/0x710 [ 3255.458230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3255.458230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3255.458230][ T1076] ___sys_sendmsg+0xee/0x170 [ 3255.458230][ T1076] __sys_sendmsg+0xcd/0x170 [ 3255.458230][ T1076] do_syscall_64+0xc6/0x1e0 [ 3255.458230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.458230][ T1076] [ 3265.565714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3265.566219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3265.566219][ T1076] netdev_get_by_index+0x5e/0x80 [ 3265.566219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3265.566219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3265.566219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3265.566219][ T1076] ipv6_add_addr+0x411/0x2000 [ 3265.566219][ T1076] inet6_addr_add+0x30e/0xa40 [ 3265.566219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.566219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.566219][ T1076] netlink_rcv_skb+0x130/0x360 [ 3265.566219][ T1076] netlink_unicast+0x449/0x710 [ 3265.566219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3265.566219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3265.566219][ T1076] ___sys_sendmsg+0xee/0x170 [ 3265.566219][ T1076] __sys_sendmsg+0xcd/0x170 [ 3265.566219][ T1076] do_syscall_64+0xc6/0x1e0 [ 3265.566219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.566219][ T1076] [ 3265.568523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3265.568523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3265.568523][ T1076] ipv6_find_idev+0x102/0x170 [ 3265.568523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.568523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.568523][ T1076] netlink_rcv_skb+0x130/0x360 [ 3265.568523][ T1076] netlink_unicast+0x449/0x710 [ 3265.568523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3265.568523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3265.568523][ T1076] ___sys_sendmsg+0xee/0x170 [ 3265.568523][ T1076] __sys_sendmsg+0xcd/0x170 [ 3265.568523][ T1076] do_syscall_64+0xc6/0x1e0 [ 3265.568523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.568523][ T1076] [ 3265.570633][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3265.570633][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3265.570633][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3265.570633][ T1076] ipv6_find_idev+0x102/0x170 [ 3265.570633][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.570633][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.570633][ T1076] netlink_rcv_skb+0x130/0x360 [ 3265.570633][ T1076] netlink_unicast+0x449/0x710 [ 3265.570633][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3265.570633][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3265.570633][ T1076] ___sys_sendmsg+0xee/0x170 [ 3265.570633][ T1076] __sys_sendmsg+0xcd/0x170 [ 3265.570633][ T1076] do_syscall_64+0xc6/0x1e0 [ 3265.570633][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.570633][ T1076] [ 3275.813699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3275.814238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3275.814238][ T1076] netdev_get_by_index+0x5e/0x80 [ 3275.814238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3275.814238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3275.814238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3275.814238][ T1076] ipv6_add_addr+0x411/0x2000 [ 3275.814238][ T1076] inet6_addr_add+0x30e/0xa40 [ 3275.814238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3275.814238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3275.814238][ T1076] netlink_rcv_skb+0x130/0x360 [ 3275.814238][ T1076] netlink_unicast+0x449/0x710 [ 3275.814238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3275.814238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3275.814238][ T1076] ___sys_sendmsg+0xee/0x170 [ 3275.814238][ T1076] __sys_sendmsg+0xcd/0x170 [ 3275.814238][ T1076] do_syscall_64+0xc6/0x1e0 [ 3275.814238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3275.814238][ T1076] [ 3275.816541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3275.816541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3275.816541][ T1076] ipv6_find_idev+0x102/0x170 [ 3275.816541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3275.816541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3275.816541][ T1076] netlink_rcv_skb+0x130/0x360 [ 3275.816541][ T1076] netlink_unicast+0x449/0x710 [ 3275.816541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3275.816541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3275.816541][ T1076] ___sys_sendmsg+0xee/0x170 [ 3275.816541][ T1076] __sys_sendmsg+0xcd/0x170 [ 3275.816541][ T1076] do_syscall_64+0xc6/0x1e0 [ 3275.816541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3275.816541][ T1076] [ 3275.818310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3275.818310][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3275.818310][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3275.818310][ T1076] ipv6_find_idev+0x102/0x170 [ 3275.818310][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3275.818310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3275.818310][ T1076] netlink_rcv_skb+0x130/0x360 [ 3275.818310][ T1076] netlink_unicast+0x449/0x710 [ 3275.818310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3275.818310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3275.818310][ T1076] ___sys_sendmsg+0xee/0x170 [ 3275.818310][ T1076] __sys_sendmsg+0xcd/0x170 [ 3275.818310][ T1076] do_syscall_64+0xc6/0x1e0 [ 3275.818310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3275.818310][ T1076] [ 3286.005638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3286.006179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3286.006179][ T1076] netdev_get_by_index+0x5e/0x80 [ 3286.006179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3286.006179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3286.006179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3286.006179][ T1076] ipv6_add_addr+0x411/0x2000 [ 3286.006179][ T1076] inet6_addr_add+0x30e/0xa40 [ 3286.006179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.006179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.006179][ T1076] netlink_rcv_skb+0x130/0x360 [ 3286.006179][ T1076] netlink_unicast+0x449/0x710 [ 3286.006179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3286.006179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3286.006179][ T1076] ___sys_sendmsg+0xee/0x170 [ 3286.006179][ T1076] __sys_sendmsg+0xcd/0x170 [ 3286.006179][ T1076] do_syscall_64+0xc6/0x1e0 [ 3286.006179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.006179][ T1076] [ 3286.008506][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3286.008506][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3286.008506][ T1076] ipv6_find_idev+0x102/0x170 [ 3286.008506][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.008506][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.008506][ T1076] netlink_rcv_skb+0x130/0x360 [ 3286.008506][ T1076] netlink_unicast+0x449/0x710 [ 3286.008506][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3286.008506][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3286.008506][ T1076] ___sys_sendmsg+0xee/0x170 [ 3286.008506][ T1076] __sys_sendmsg+0xcd/0x170 [ 3286.008506][ T1076] do_syscall_64+0xc6/0x1e0 [ 3286.008506][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.008506][ T1076] [ 3286.010261][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3286.010261][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3286.010261][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3286.010261][ T1076] ipv6_find_idev+0x102/0x170 [ 3286.010261][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.010261][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.010261][ T1076] netlink_rcv_skb+0x130/0x360 [ 3286.010261][ T1076] netlink_unicast+0x449/0x710 [ 3286.010261][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3286.010261][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3286.010261][ T1076] ___sys_sendmsg+0xee/0x170 [ 3286.010261][ T1076] __sys_sendmsg+0xcd/0x170 [ 3286.010261][ T1076] do_syscall_64+0xc6/0x1e0 [ 3286.010261][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.010261][ T1076] [ 3296.253768][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3296.254314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3296.254314][ T1076] netdev_get_by_index+0x5e/0x80 [ 3296.254314][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3296.254314][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3296.254314][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3296.254314][ T1076] ipv6_add_addr+0x411/0x2000 [ 3296.254314][ T1076] inet6_addr_add+0x30e/0xa40 [ 3296.254314][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.254314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.254314][ T1076] netlink_rcv_skb+0x130/0x360 [ 3296.254314][ T1076] netlink_unicast+0x449/0x710 [ 3296.254314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3296.254314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3296.254314][ T1076] ___sys_sendmsg+0xee/0x170 [ 3296.254314][ T1076] __sys_sendmsg+0xcd/0x170 [ 3296.254314][ T1076] do_syscall_64+0xc6/0x1e0 [ 3296.254314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.254314][ T1076] [ 3296.258616][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3296.258616][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3296.258616][ T1076] ipv6_find_idev+0x102/0x170 [ 3296.258616][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.258616][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.258616][ T1076] netlink_rcv_skb+0x130/0x360 [ 3296.258616][ T1076] netlink_unicast+0x449/0x710 [ 3296.258616][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3296.258616][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3296.258616][ T1076] ___sys_sendmsg+0xee/0x170 [ 3296.258616][ T1076] __sys_sendmsg+0xcd/0x170 [ 3296.258616][ T1076] do_syscall_64+0xc6/0x1e0 [ 3296.258616][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.258616][ T1076] [ 3296.261918][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3296.261918][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3296.261918][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3296.261918][ T1076] ipv6_find_idev+0x102/0x170 [ 3296.261918][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.261918][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.261918][ T1076] netlink_rcv_skb+0x130/0x360 [ 3296.261918][ T1076] netlink_unicast+0x449/0x710 [ 3296.261918][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3296.261918][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3296.261918][ T1076] ___sys_sendmsg+0xee/0x170 [ 3296.261918][ T1076] __sys_sendmsg+0xcd/0x170 [ 3296.261918][ T1076] do_syscall_64+0xc6/0x1e0 [ 3296.261918][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.261918][ T1076] [ 3306.501753][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3306.502240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3306.502240][ T1076] netdev_get_by_index+0x5e/0x80 [ 3306.502240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3306.502240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3306.502240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3306.502240][ T1076] ipv6_add_addr+0x411/0x2000 [ 3306.502240][ T1076] inet6_addr_add+0x30e/0xa40 [ 3306.502240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3306.502240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3306.502240][ T1076] netlink_rcv_skb+0x130/0x360 [ 3306.502240][ T1076] netlink_unicast+0x449/0x710 [ 3306.502240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3306.502240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3306.502240][ T1076] ___sys_sendmsg+0xee/0x170 [ 3306.502240][ T1076] __sys_sendmsg+0xcd/0x170 [ 3306.502240][ T1076] do_syscall_64+0xc6/0x1e0 [ 3306.502240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3306.502240][ T1076] [ 3306.504532][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3306.504532][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3306.504532][ T1076] ipv6_find_idev+0x102/0x170 [ 3306.504532][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3306.504532][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3306.504532][ T1076] netlink_rcv_skb+0x130/0x360 [ 3306.504532][ T1076] netlink_unicast+0x449/0x710 [ 3306.504532][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3306.504532][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3306.504532][ T1076] ___sys_sendmsg+0xee/0x170 [ 3306.504532][ T1076] __sys_sendmsg+0xcd/0x170 [ 3306.504532][ T1076] do_syscall_64+0xc6/0x1e0 [ 3306.504532][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3306.504532][ T1076] [ 3306.506280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3306.506280][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3306.506280][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3306.506280][ T1076] ipv6_find_idev+0x102/0x170 [ 3306.506280][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3306.506280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3306.506280][ T1076] netlink_rcv_skb+0x130/0x360 [ 3306.506280][ T1076] netlink_unicast+0x449/0x710 [ 3306.506280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3306.506280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3306.506280][ T1076] ___sys_sendmsg+0xee/0x170 [ 3306.506280][ T1076] __sys_sendmsg+0xcd/0x170 [ 3306.506280][ T1076] do_syscall_64+0xc6/0x1e0 [ 3306.506280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3306.506280][ T1076] [ 3316.725733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3316.726477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3316.726477][ T1076] netdev_get_by_index+0x5e/0x80 [ 3316.726477][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3316.726477][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3316.726477][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3316.726477][ T1076] ipv6_add_addr+0x411/0x2000 [ 3316.726477][ T1076] inet6_addr_add+0x30e/0xa40 [ 3316.726477][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3316.726477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3316.726477][ T1076] netlink_rcv_skb+0x130/0x360 [ 3316.726477][ T1076] netlink_unicast+0x449/0x710 [ 3316.726477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3316.726477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3316.726477][ T1076] ___sys_sendmsg+0xee/0x170 [ 3316.726477][ T1076] __sys_sendmsg+0xcd/0x170 [ 3316.726477][ T1076] do_syscall_64+0xc6/0x1e0 [ 3316.726477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3316.726477][ T1076] [ 3316.728825][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3316.728825][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3316.728825][ T1076] ipv6_find_idev+0x102/0x170 [ 3316.728825][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3316.728825][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3316.728825][ T1076] netlink_rcv_skb+0x130/0x360 [ 3316.728825][ T1076] netlink_unicast+0x449/0x710 [ 3316.728825][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3316.728825][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3316.728825][ T1076] ___sys_sendmsg+0xee/0x170 [ 3316.728825][ T1076] __sys_sendmsg+0xcd/0x170 [ 3316.728825][ T1076] do_syscall_64+0xc6/0x1e0 [ 3316.728825][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3316.728825][ T1076] [ 3316.730567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3316.730567][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3316.730567][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3316.730567][ T1076] ipv6_find_idev+0x102/0x170 [ 3316.730567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3316.730567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3316.730567][ T1076] netlink_rcv_skb+0x130/0x360 [ 3316.730567][ T1076] netlink_unicast+0x449/0x710 [ 3316.730567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3316.730567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3316.730567][ T1076] ___sys_sendmsg+0xee/0x170 [ 3316.730567][ T1076] __sys_sendmsg+0xcd/0x170 [ 3316.730567][ T1076] do_syscall_64+0xc6/0x1e0 [ 3316.730567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3316.730567][ T1076] [ 3326.973698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3326.974234][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3326.974234][ T1076] netdev_get_by_index+0x5e/0x80 [ 3326.974234][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3326.974234][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3326.974234][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3326.974234][ T1076] ipv6_add_addr+0x411/0x2000 [ 3326.974234][ T1076] inet6_addr_add+0x30e/0xa40 [ 3326.974234][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3326.974234][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3326.974234][ T1076] netlink_rcv_skb+0x130/0x360 [ 3326.974234][ T1076] netlink_unicast+0x449/0x710 [ 3326.974234][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3326.974234][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3326.974234][ T1076] ___sys_sendmsg+0xee/0x170 [ 3326.974234][ T1076] __sys_sendmsg+0xcd/0x170 [ 3326.974234][ T1076] do_syscall_64+0xc6/0x1e0 [ 3326.974234][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3326.974234][ T1076] [ 3326.976553][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3326.976553][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3326.976553][ T1076] ipv6_find_idev+0x102/0x170 [ 3326.976553][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3326.976553][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3326.976553][ T1076] netlink_rcv_skb+0x130/0x360 [ 3326.976553][ T1076] netlink_unicast+0x449/0x710 [ 3326.976553][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3326.976553][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3326.976553][ T1076] ___sys_sendmsg+0xee/0x170 [ 3326.976553][ T1076] __sys_sendmsg+0xcd/0x170 [ 3326.976553][ T1076] do_syscall_64+0xc6/0x1e0 [ 3326.976553][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3326.976553][ T1076] [ 3326.978321][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3326.978321][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3326.978321][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3326.978321][ T1076] ipv6_find_idev+0x102/0x170 [ 3326.978321][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3326.978321][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3326.978321][ T1076] netlink_rcv_skb+0x130/0x360 [ 3326.978321][ T1076] netlink_unicast+0x449/0x710 [ 3326.978321][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3326.978321][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3326.978321][ T1076] ___sys_sendmsg+0xee/0x170 [ 3326.978321][ T1076] __sys_sendmsg+0xcd/0x170 [ 3326.978321][ T1076] do_syscall_64+0xc6/0x1e0 [ 3326.978321][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3326.978321][ T1076] [ 3337.221671][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3337.222204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3337.222204][ T1076] netdev_get_by_index+0x5e/0x80 [ 3337.222204][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3337.222204][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3337.222204][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3337.222204][ T1076] ipv6_add_addr+0x411/0x2000 [ 3337.222204][ T1076] inet6_addr_add+0x30e/0xa40 [ 3337.222204][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.222204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.222204][ T1076] netlink_rcv_skb+0x130/0x360 [ 3337.222204][ T1076] netlink_unicast+0x449/0x710 [ 3337.222204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3337.222204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3337.222204][ T1076] ___sys_sendmsg+0xee/0x170 [ 3337.222204][ T1076] __sys_sendmsg+0xcd/0x170 [ 3337.222204][ T1076] do_syscall_64+0xc6/0x1e0 [ 3337.222204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.222204][ T1076] [ 3337.224498][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3337.224498][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3337.224498][ T1076] ipv6_find_idev+0x102/0x170 [ 3337.224498][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.224498][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.224498][ T1076] netlink_rcv_skb+0x130/0x360 [ 3337.224498][ T1076] netlink_unicast+0x449/0x710 [ 3337.224498][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3337.224498][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3337.224498][ T1076] ___sys_sendmsg+0xee/0x170 [ 3337.224498][ T1076] __sys_sendmsg+0xcd/0x170 [ 3337.224498][ T1076] do_syscall_64+0xc6/0x1e0 [ 3337.224498][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.224498][ T1076] [ 3337.226237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3337.226237][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3337.226237][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3337.226237][ T1076] ipv6_find_idev+0x102/0x170 [ 3337.226237][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.226237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.226237][ T1076] netlink_rcv_skb+0x130/0x360 [ 3337.226237][ T1076] netlink_unicast+0x449/0x710 [ 3337.226237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3337.226237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3337.226237][ T1076] ___sys_sendmsg+0xee/0x170 [ 3337.226237][ T1076] __sys_sendmsg+0xcd/0x170 [ 3337.226237][ T1076] do_syscall_64+0xc6/0x1e0 [ 3337.226237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.226237][ T1076] [ 3347.469730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3347.470218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3347.470218][ T1076] netdev_get_by_index+0x5e/0x80 [ 3347.470218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3347.470218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3347.470218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3347.470218][ T1076] ipv6_add_addr+0x411/0x2000 [ 3347.470218][ T1076] inet6_addr_add+0x30e/0xa40 [ 3347.470218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.470218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.470218][ T1076] netlink_rcv_skb+0x130/0x360 [ 3347.470218][ T1076] netlink_unicast+0x449/0x710 [ 3347.470218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3347.470218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3347.470218][ T1076] ___sys_sendmsg+0xee/0x170 [ 3347.470218][ T1076] __sys_sendmsg+0xcd/0x170 [ 3347.470218][ T1076] do_syscall_64+0xc6/0x1e0 [ 3347.470218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.470218][ T1076] [ 3347.472505][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3347.472505][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3347.472505][ T1076] ipv6_find_idev+0x102/0x170 [ 3347.472505][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.472505][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.472505][ T1076] netlink_rcv_skb+0x130/0x360 [ 3347.472505][ T1076] netlink_unicast+0x449/0x710 [ 3347.472505][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3347.472505][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3347.472505][ T1076] ___sys_sendmsg+0xee/0x170 [ 3347.472505][ T1076] __sys_sendmsg+0xcd/0x170 [ 3347.472505][ T1076] do_syscall_64+0xc6/0x1e0 [ 3347.472505][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.472505][ T1076] [ 3347.474254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3347.474254][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3347.474254][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3347.474254][ T1076] ipv6_find_idev+0x102/0x170 [ 3347.474254][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.474254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.474254][ T1076] netlink_rcv_skb+0x130/0x360 [ 3347.474254][ T1076] netlink_unicast+0x449/0x710 [ 3347.474254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3347.474254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3347.474254][ T1076] ___sys_sendmsg+0xee/0x170 [ 3347.474254][ T1076] __sys_sendmsg+0xcd/0x170 [ 3347.474254][ T1076] do_syscall_64+0xc6/0x1e0 [ 3347.474254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.474254][ T1076] [ 3357.717645][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3357.718114][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3357.718114][ T1076] netdev_get_by_index+0x5e/0x80 [ 3357.718114][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3357.718114][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3357.718114][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3357.718114][ T1076] ipv6_add_addr+0x411/0x2000 [ 3357.718114][ T1076] inet6_addr_add+0x30e/0xa40 [ 3357.718114][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3357.718114][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.718114][ T1076] netlink_rcv_skb+0x130/0x360 [ 3357.718114][ T1076] netlink_unicast+0x449/0x710 [ 3357.718114][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3357.718114][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3357.718114][ T1076] ___sys_sendmsg+0xee/0x170 [ 3357.718114][ T1076] __sys_sendmsg+0xcd/0x170 [ 3357.718114][ T1076] do_syscall_64+0xc6/0x1e0 [ 3357.718114][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.718114][ T1076] [ 3357.720406][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3357.720406][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3357.720406][ T1076] ipv6_find_idev+0x102/0x170 [ 3357.720406][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3357.720406][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.720406][ T1076] netlink_rcv_skb+0x130/0x360 [ 3357.720406][ T1076] netlink_unicast+0x449/0x710 [ 3357.720406][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3357.720406][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3357.720406][ T1076] ___sys_sendmsg+0xee/0x170 [ 3357.720406][ T1076] __sys_sendmsg+0xcd/0x170 [ 3357.720406][ T1076] do_syscall_64+0xc6/0x1e0 [ 3357.720406][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.720406][ T1076] [ 3357.722156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3357.722156][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3357.722156][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3357.722156][ T1076] ipv6_find_idev+0x102/0x170 [ 3357.722156][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3357.722156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.722156][ T1076] netlink_rcv_skb+0x130/0x360 [ 3357.722156][ T1076] netlink_unicast+0x449/0x710 [ 3357.722156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3357.722156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3357.722156][ T1076] ___sys_sendmsg+0xee/0x170 [ 3357.722156][ T1076] __sys_sendmsg+0xcd/0x170 [ 3357.722156][ T1076] do_syscall_64+0xc6/0x1e0 [ 3357.722156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.722156][ T1076] [ 3367.965728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3367.966255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3367.966255][ T1076] netdev_get_by_index+0x5e/0x80 [ 3367.966255][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3367.966255][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3367.966255][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3367.966255][ T1076] ipv6_add_addr+0x411/0x2000 [ 3367.966255][ T1076] inet6_addr_add+0x30e/0xa40 [ 3367.966255][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3367.966255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3367.966255][ T1076] netlink_rcv_skb+0x130/0x360 [ 3367.966255][ T1076] netlink_unicast+0x449/0x710 [ 3367.966255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3367.966255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3367.966255][ T1076] ___sys_sendmsg+0xee/0x170 [ 3367.966255][ T1076] __sys_sendmsg+0xcd/0x170 [ 3367.966255][ T1076] do_syscall_64+0xc6/0x1e0 [ 3367.966255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3367.966255][ T1076] [ 3367.968563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3367.968563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3367.968563][ T1076] ipv6_find_idev+0x102/0x170 [ 3367.968563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3367.968563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3367.968563][ T1076] netlink_rcv_skb+0x130/0x360 [ 3367.968563][ T1076] netlink_unicast+0x449/0x710 [ 3367.968563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3367.968563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3367.968563][ T1076] ___sys_sendmsg+0xee/0x170 [ 3367.968563][ T1076] __sys_sendmsg+0xcd/0x170 [ 3367.968563][ T1076] do_syscall_64+0xc6/0x1e0 [ 3367.968563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3367.968563][ T1076] [ 3367.970301][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3367.970301][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3367.970301][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3367.970301][ T1076] ipv6_find_idev+0x102/0x170 [ 3367.970301][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3367.970301][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3367.970301][ T1076] netlink_rcv_skb+0x130/0x360 [ 3367.970301][ T1076] netlink_unicast+0x449/0x710 [ 3367.970301][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3367.970301][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3367.970301][ T1076] ___sys_sendmsg+0xee/0x170 [ 3367.970301][ T1076] __sys_sendmsg+0xcd/0x170 [ 3367.970301][ T1076] do_syscall_64+0xc6/0x1e0 [ 3367.970301][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3367.970301][ T1076] [ 3378.213764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3378.214316][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3378.214316][ T1076] netdev_get_by_index+0x5e/0x80 [ 3378.214316][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3378.214316][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3378.214316][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3378.214316][ T1076] ipv6_add_addr+0x411/0x2000 [ 3378.214316][ T1076] inet6_addr_add+0x30e/0xa40 [ 3378.214316][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.214316][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.214316][ T1076] netlink_rcv_skb+0x130/0x360 [ 3378.214316][ T1076] netlink_unicast+0x449/0x710 [ 3378.214316][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3378.214316][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3378.214316][ T1076] ___sys_sendmsg+0xee/0x170 [ 3378.214316][ T1076] __sys_sendmsg+0xcd/0x170 [ 3378.214316][ T1076] do_syscall_64+0xc6/0x1e0 [ 3378.214316][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.214316][ T1076] [ 3378.218311][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3378.218311][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3378.218311][ T1076] ipv6_find_idev+0x102/0x170 [ 3378.218311][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.218311][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.218311][ T1076] netlink_rcv_skb+0x130/0x360 [ 3378.218311][ T1076] netlink_unicast+0x449/0x710 [ 3378.218311][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3378.218311][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3378.218311][ T1076] ___sys_sendmsg+0xee/0x170 [ 3378.218311][ T1076] __sys_sendmsg+0xcd/0x170 [ 3378.218311][ T1076] do_syscall_64+0xc6/0x1e0 [ 3378.218311][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.218311][ T1076] [ 3378.221597][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3378.221597][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3378.221597][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3378.221597][ T1076] ipv6_find_idev+0x102/0x170 [ 3378.221597][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.221597][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.221597][ T1076] netlink_rcv_skb+0x130/0x360 [ 3378.221597][ T1076] netlink_unicast+0x449/0x710 [ 3378.221597][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3378.221597][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3378.221597][ T1076] ___sys_sendmsg+0xee/0x170 [ 3378.221597][ T1076] __sys_sendmsg+0xcd/0x170 [ 3378.221597][ T1076] do_syscall_64+0xc6/0x1e0 [ 3378.221597][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.221597][ T1076] [ 3388.461747][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3388.462286][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3388.462286][ T1076] netdev_get_by_index+0x5e/0x80 [ 3388.462286][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3388.462286][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3388.462286][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3388.462286][ T1076] ipv6_add_addr+0x411/0x2000 [ 3388.462286][ T1076] inet6_addr_add+0x30e/0xa40 [ 3388.462286][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.462286][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.462286][ T1076] netlink_rcv_skb+0x130/0x360 [ 3388.462286][ T1076] netlink_unicast+0x449/0x710 [ 3388.462286][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3388.462286][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3388.462286][ T1076] ___sys_sendmsg+0xee/0x170 [ 3388.462286][ T1076] __sys_sendmsg+0xcd/0x170 [ 3388.462286][ T1076] do_syscall_64+0xc6/0x1e0 [ 3388.462286][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.462286][ T1076] [ 3388.464612][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3388.464612][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3388.464612][ T1076] ipv6_find_idev+0x102/0x170 [ 3388.464612][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.464612][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.464612][ T1076] netlink_rcv_skb+0x130/0x360 [ 3388.464612][ T1076] netlink_unicast+0x449/0x710 [ 3388.464612][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3388.464612][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3388.464612][ T1076] ___sys_sendmsg+0xee/0x170 [ 3388.464612][ T1076] __sys_sendmsg+0xcd/0x170 [ 3388.464612][ T1076] do_syscall_64+0xc6/0x1e0 [ 3388.464612][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.464612][ T1076] [ 3388.466357][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3388.466357][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3388.466357][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3388.466357][ T1076] ipv6_find_idev+0x102/0x170 [ 3388.466357][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.466357][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.466357][ T1076] netlink_rcv_skb+0x130/0x360 [ 3388.466357][ T1076] netlink_unicast+0x449/0x710 [ 3388.466357][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3388.466357][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3388.466357][ T1076] ___sys_sendmsg+0xee/0x170 [ 3388.466357][ T1076] __sys_sendmsg+0xcd/0x170 [ 3388.466357][ T1076] do_syscall_64+0xc6/0x1e0 [ 3388.466357][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.466357][ T1076] [ 3398.709750][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3398.710293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3398.710293][ T1076] netdev_get_by_index+0x5e/0x80 [ 3398.710293][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3398.710293][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3398.710293][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3398.710293][ T1076] ipv6_add_addr+0x411/0x2000 [ 3398.710293][ T1076] inet6_addr_add+0x30e/0xa40 [ 3398.710293][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.710293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.710293][ T1076] netlink_rcv_skb+0x130/0x360 [ 3398.710293][ T1076] netlink_unicast+0x449/0x710 [ 3398.710293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3398.710293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3398.710293][ T1076] ___sys_sendmsg+0xee/0x170 [ 3398.710293][ T1076] __sys_sendmsg+0xcd/0x170 [ 3398.710293][ T1076] do_syscall_64+0xc6/0x1e0 [ 3398.710293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.710293][ T1076] [ 3398.712584][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3398.712584][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3398.712584][ T1076] ipv6_find_idev+0x102/0x170 [ 3398.712584][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.712584][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.712584][ T1076] netlink_rcv_skb+0x130/0x360 [ 3398.712584][ T1076] netlink_unicast+0x449/0x710 [ 3398.712584][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3398.712584][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3398.712584][ T1076] ___sys_sendmsg+0xee/0x170 [ 3398.712584][ T1076] __sys_sendmsg+0xcd/0x170 [ 3398.712584][ T1076] do_syscall_64+0xc6/0x1e0 [ 3398.712584][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.712584][ T1076] [ 3398.714334][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3398.714334][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3398.714334][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3398.714334][ T1076] ipv6_find_idev+0x102/0x170 [ 3398.714334][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.714334][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.714334][ T1076] netlink_rcv_skb+0x130/0x360 [ 3398.714334][ T1076] netlink_unicast+0x449/0x710 [ 3398.714334][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3398.714334][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3398.714334][ T1076] ___sys_sendmsg+0xee/0x170 [ 3398.714334][ T1076] __sys_sendmsg+0xcd/0x170 [ 3398.714334][ T1076] do_syscall_64+0xc6/0x1e0 [ 3398.714334][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.714334][ T1076] [ 3408.957721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3408.958196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3408.958196][ T1076] netdev_get_by_index+0x5e/0x80 [ 3408.958196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3408.958196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3408.958196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3408.958196][ T1076] ipv6_add_addr+0x411/0x2000 [ 3408.958196][ T1076] inet6_addr_add+0x30e/0xa40 [ 3408.958196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3408.958196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.958196][ T1076] netlink_rcv_skb+0x130/0x360 [ 3408.958196][ T1076] netlink_unicast+0x449/0x710 [ 3408.958196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3408.958196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3408.958196][ T1076] ___sys_sendmsg+0xee/0x170 [ 3408.958196][ T1076] __sys_sendmsg+0xcd/0x170 [ 3408.958196][ T1076] do_syscall_64+0xc6/0x1e0 [ 3408.958196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.958196][ T1076] [ 3408.960492][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3408.960492][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3408.960492][ T1076] ipv6_find_idev+0x102/0x170 [ 3408.960492][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3408.960492][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.960492][ T1076] netlink_rcv_skb+0x130/0x360 [ 3408.960492][ T1076] netlink_unicast+0x449/0x710 [ 3408.960492][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3408.960492][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3408.960492][ T1076] ___sys_sendmsg+0xee/0x170 [ 3408.960492][ T1076] __sys_sendmsg+0xcd/0x170 [ 3408.960492][ T1076] do_syscall_64+0xc6/0x1e0 [ 3408.960492][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.960492][ T1076] [ 3408.962264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3408.962264][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3408.962264][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3408.962264][ T1076] ipv6_find_idev+0x102/0x170 [ 3408.962264][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3408.962264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.962264][ T1076] netlink_rcv_skb+0x130/0x360 [ 3408.962264][ T1076] netlink_unicast+0x449/0x710 [ 3408.962264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3408.962264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3408.962264][ T1076] ___sys_sendmsg+0xee/0x170 [ 3408.962264][ T1076] __sys_sendmsg+0xcd/0x170 [ 3408.962264][ T1076] do_syscall_64+0xc6/0x1e0 [ 3408.962264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.962264][ T1076] [ 3419.205692][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3419.206204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3419.206204][ T1076] netdev_get_by_index+0x5e/0x80 [ 3419.206204][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3419.206204][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3419.206204][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3419.206204][ T1076] ipv6_add_addr+0x411/0x2000 [ 3419.206204][ T1076] inet6_addr_add+0x30e/0xa40 [ 3419.206204][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.206204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.206204][ T1076] netlink_rcv_skb+0x130/0x360 [ 3419.206204][ T1076] netlink_unicast+0x449/0x710 [ 3419.206204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3419.206204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3419.206204][ T1076] ___sys_sendmsg+0xee/0x170 [ 3419.206204][ T1076] __sys_sendmsg+0xcd/0x170 [ 3419.206204][ T1076] do_syscall_64+0xc6/0x1e0 [ 3419.206204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.206204][ T1076] [ 3419.208480][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3419.208480][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3419.208480][ T1076] ipv6_find_idev+0x102/0x170 [ 3419.208480][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.208480][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.208480][ T1076] netlink_rcv_skb+0x130/0x360 [ 3419.208480][ T1076] netlink_unicast+0x449/0x710 [ 3419.208480][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3419.208480][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3419.208480][ T1076] ___sys_sendmsg+0xee/0x170 [ 3419.208480][ T1076] __sys_sendmsg+0xcd/0x170 [ 3419.208480][ T1076] do_syscall_64+0xc6/0x1e0 [ 3419.208480][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.208480][ T1076] [ 3419.210221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3419.210221][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3419.210221][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3419.210221][ T1076] ipv6_find_idev+0x102/0x170 [ 3419.210221][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.210221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.210221][ T1076] netlink_rcv_skb+0x130/0x360 [ 3419.210221][ T1076] netlink_unicast+0x449/0x710 [ 3419.210221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3419.210221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3419.210221][ T1076] ___sys_sendmsg+0xee/0x170 [ 3419.210221][ T1076] __sys_sendmsg+0xcd/0x170 [ 3419.210221][ T1076] do_syscall_64+0xc6/0x1e0 [ 3419.210221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.210221][ T1076] [ 3429.453746][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3429.454205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3429.454205][ T1076] netdev_get_by_index+0x5e/0x80 [ 3429.454205][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3429.454205][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3429.454205][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3429.454205][ T1076] ipv6_add_addr+0x411/0x2000 [ 3429.454205][ T1076] inet6_addr_add+0x30e/0xa40 [ 3429.454205][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.454205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.454205][ T1076] netlink_rcv_skb+0x130/0x360 [ 3429.454205][ T1076] netlink_unicast+0x449/0x710 [ 3429.454205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3429.454205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3429.454205][ T1076] ___sys_sendmsg+0xee/0x170 [ 3429.454205][ T1076] __sys_sendmsg+0xcd/0x170 [ 3429.454205][ T1076] do_syscall_64+0xc6/0x1e0 [ 3429.454205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.454205][ T1076] [ 3429.456491][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3429.456491][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3429.456491][ T1076] ipv6_find_idev+0x102/0x170 [ 3429.456491][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.456491][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.456491][ T1076] netlink_rcv_skb+0x130/0x360 [ 3429.456491][ T1076] netlink_unicast+0x449/0x710 [ 3429.456491][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3429.456491][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3429.456491][ T1076] ___sys_sendmsg+0xee/0x170 [ 3429.456491][ T1076] __sys_sendmsg+0xcd/0x170 [ 3429.456491][ T1076] do_syscall_64+0xc6/0x1e0 [ 3429.456491][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.456491][ T1076] [ 3429.458230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3429.458230][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3429.458230][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3429.458230][ T1076] ipv6_find_idev+0x102/0x170 [ 3429.458230][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.458230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.458230][ T1076] netlink_rcv_skb+0x130/0x360 [ 3429.458230][ T1076] netlink_unicast+0x449/0x710 [ 3429.458230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3429.458230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3429.458230][ T1076] ___sys_sendmsg+0xee/0x170 [ 3429.458230][ T1076] __sys_sendmsg+0xcd/0x170 [ 3429.458230][ T1076] do_syscall_64+0xc6/0x1e0 [ 3429.458230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.458230][ T1076] [ 3439.637713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3439.638164][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3439.638164][ T1076] netdev_get_by_index+0x5e/0x80 [ 3439.638164][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3439.638164][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3439.638164][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3439.638164][ T1076] ipv6_add_addr+0x411/0x2000 [ 3439.638164][ T1076] inet6_addr_add+0x30e/0xa40 [ 3439.638164][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3439.638164][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.638164][ T1076] netlink_rcv_skb+0x130/0x360 [ 3439.638164][ T1076] netlink_unicast+0x449/0x710 [ 3439.638164][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3439.638164][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3439.638164][ T1076] ___sys_sendmsg+0xee/0x170 [ 3439.638164][ T1076] __sys_sendmsg+0xcd/0x170 [ 3439.638164][ T1076] do_syscall_64+0xc6/0x1e0 [ 3439.638164][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.638164][ T1076] [ 3439.640461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3439.640461][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3439.640461][ T1076] ipv6_find_idev+0x102/0x170 [ 3439.640461][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3439.640461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.640461][ T1076] netlink_rcv_skb+0x130/0x360 [ 3439.640461][ T1076] netlink_unicast+0x449/0x710 [ 3439.640461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3439.640461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3439.640461][ T1076] ___sys_sendmsg+0xee/0x170 [ 3439.640461][ T1076] __sys_sendmsg+0xcd/0x170 [ 3439.640461][ T1076] do_syscall_64+0xc6/0x1e0 [ 3439.640461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.640461][ T1076] [ 3439.642192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3439.642192][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3439.642192][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3439.642192][ T1076] ipv6_find_idev+0x102/0x170 [ 3439.642192][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3439.642192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.642192][ T1076] netlink_rcv_skb+0x130/0x360 [ 3439.642192][ T1076] netlink_unicast+0x449/0x710 [ 3439.642192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3439.642192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3439.642192][ T1076] ___sys_sendmsg+0xee/0x170 [ 3439.642192][ T1076] __sys_sendmsg+0xcd/0x170 [ 3439.642192][ T1076] do_syscall_64+0xc6/0x1e0 [ 3439.642192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.642192][ T1076] [ 3450.333810][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3450.334320][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3450.334320][ T1076] netdev_get_by_index+0x5e/0x80 [ 3450.334320][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3450.334320][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3450.334320][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3450.334320][ T1076] ipv6_add_addr+0x411/0x2000 [ 3450.334320][ T1076] inet6_addr_add+0x30e/0xa40 [ 3450.334320][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.334320][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.334320][ T1076] netlink_rcv_skb+0x130/0x360 [ 3450.334320][ T1076] netlink_unicast+0x449/0x710 [ 3450.334320][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3450.334320][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3450.334320][ T1076] ___sys_sendmsg+0xee/0x170 [ 3450.334320][ T1076] __sys_sendmsg+0xcd/0x170 [ 3450.334320][ T1076] do_syscall_64+0xc6/0x1e0 [ 3450.334320][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.334320][ T1076] [ 3450.336607][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3450.336607][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3450.336607][ T1076] ipv6_find_idev+0x102/0x170 [ 3450.336607][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.336607][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.336607][ T1076] netlink_rcv_skb+0x130/0x360 [ 3450.336607][ T1076] netlink_unicast+0x449/0x710 [ 3450.336607][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3450.336607][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3450.336607][ T1076] ___sys_sendmsg+0xee/0x170 [ 3450.336607][ T1076] __sys_sendmsg+0xcd/0x170 [ 3450.336607][ T1076] do_syscall_64+0xc6/0x1e0 [ 3450.336607][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.336607][ T1076] [ 3450.338347][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3450.338347][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3450.338347][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3450.338347][ T1076] ipv6_find_idev+0x102/0x170 [ 3450.338347][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.338347][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.338347][ T1076] netlink_rcv_skb+0x130/0x360 [ 3450.338347][ T1076] netlink_unicast+0x449/0x710 [ 3450.338347][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3450.338347][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3450.338347][ T1076] ___sys_sendmsg+0xee/0x170 [ 3450.338347][ T1076] __sys_sendmsg+0xcd/0x170 [ 3450.338347][ T1076] do_syscall_64+0xc6/0x1e0 [ 3450.338347][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.338347][ T1076] [ 3460.357649][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3460.358156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3460.358156][ T1076] netdev_get_by_index+0x5e/0x80 [ 3460.358156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3460.358156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3460.358156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3460.358156][ T1076] ipv6_add_addr+0x411/0x2000 [ 3460.358156][ T1076] inet6_addr_add+0x30e/0xa40 [ 3460.358156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.358156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.358156][ T1076] netlink_rcv_skb+0x130/0x360 [ 3460.358156][ T1076] netlink_unicast+0x449/0x710 [ 3460.358156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3460.358156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3460.358156][ T1076] ___sys_sendmsg+0xee/0x170 [ 3460.358156][ T1076] __sys_sendmsg+0xcd/0x170 [ 3460.358156][ T1076] do_syscall_64+0xc6/0x1e0 [ 3460.358156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.358156][ T1076] [ 3460.360416][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3460.360416][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3460.360416][ T1076] ipv6_find_idev+0x102/0x170 [ 3460.360416][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.360416][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.360416][ T1076] netlink_rcv_skb+0x130/0x360 [ 3460.360416][ T1076] netlink_unicast+0x449/0x710 [ 3460.360416][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3460.360416][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3460.360416][ T1076] ___sys_sendmsg+0xee/0x170 [ 3460.360416][ T1076] __sys_sendmsg+0xcd/0x170 [ 3460.360416][ T1076] do_syscall_64+0xc6/0x1e0 [ 3460.360416][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.360416][ T1076] [ 3460.362143][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3460.362143][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3460.362143][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3460.362143][ T1076] ipv6_find_idev+0x102/0x170 [ 3460.362143][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.362143][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.362143][ T1076] netlink_rcv_skb+0x130/0x360 [ 3460.362143][ T1076] netlink_unicast+0x449/0x710 [ 3460.362143][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3460.362143][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3460.362143][ T1076] ___sys_sendmsg+0xee/0x170 [ 3460.362143][ T1076] __sys_sendmsg+0xcd/0x170 [ 3460.362143][ T1076] do_syscall_64+0xc6/0x1e0 [ 3460.362143][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.362143][ T1076] [ 3470.589779][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3470.590310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3470.590310][ T1076] netdev_get_by_index+0x5e/0x80 [ 3470.590310][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3470.590310][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3470.590310][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3470.590310][ T1076] ipv6_add_addr+0x411/0x2000 [ 3470.590310][ T1076] inet6_addr_add+0x30e/0xa40 [ 3470.590310][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.590310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.590310][ T1076] netlink_rcv_skb+0x130/0x360 [ 3470.590310][ T1076] netlink_unicast+0x449/0x710 [ 3470.590310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3470.590310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3470.590310][ T1076] ___sys_sendmsg+0xee/0x170 [ 3470.590310][ T1076] __sys_sendmsg+0xcd/0x170 [ 3470.590310][ T1076] do_syscall_64+0xc6/0x1e0 [ 3470.590310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.590310][ T1076] [ 3470.592575][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3470.592575][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3470.592575][ T1076] ipv6_find_idev+0x102/0x170 [ 3470.592575][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.592575][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.592575][ T1076] netlink_rcv_skb+0x130/0x360 [ 3470.592575][ T1076] netlink_unicast+0x449/0x710 [ 3470.592575][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3470.592575][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3470.592575][ T1076] ___sys_sendmsg+0xee/0x170 [ 3470.592575][ T1076] __sys_sendmsg+0xcd/0x170 [ 3470.592575][ T1076] do_syscall_64+0xc6/0x1e0 [ 3470.592575][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.592575][ T1076] [ 3470.594304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3470.594304][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3470.594304][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3470.594304][ T1076] ipv6_find_idev+0x102/0x170 [ 3470.594304][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.594304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.594304][ T1076] netlink_rcv_skb+0x130/0x360 [ 3470.594304][ T1076] netlink_unicast+0x449/0x710 [ 3470.594304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3470.594304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3470.594304][ T1076] ___sys_sendmsg+0xee/0x170 [ 3470.594304][ T1076] __sys_sendmsg+0xcd/0x170 [ 3470.594304][ T1076] do_syscall_64+0xc6/0x1e0 [ 3470.594304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.594304][ T1076] [ 3480.845722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3480.846231][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3480.846231][ T1076] netdev_get_by_index+0x5e/0x80 [ 3480.846231][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3480.846231][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3480.846231][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3480.846231][ T1076] ipv6_add_addr+0x411/0x2000 [ 3480.846231][ T1076] inet6_addr_add+0x30e/0xa40 [ 3480.846231][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3480.846231][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.846231][ T1076] netlink_rcv_skb+0x130/0x360 [ 3480.846231][ T1076] netlink_unicast+0x449/0x710 [ 3480.846231][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3480.846231][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3480.846231][ T1076] ___sys_sendmsg+0xee/0x170 [ 3480.846231][ T1076] __sys_sendmsg+0xcd/0x170 [ 3480.846231][ T1076] do_syscall_64+0xc6/0x1e0 [ 3480.846231][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.846231][ T1076] [ 3480.848624][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3480.848624][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3480.848624][ T1076] ipv6_find_idev+0x102/0x170 [ 3480.848624][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3480.848624][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.848624][ T1076] netlink_rcv_skb+0x130/0x360 [ 3480.848624][ T1076] netlink_unicast+0x449/0x710 [ 3480.848624][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3480.848624][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3480.848624][ T1076] ___sys_sendmsg+0xee/0x170 [ 3480.848624][ T1076] __sys_sendmsg+0xcd/0x170 [ 3480.848624][ T1076] do_syscall_64+0xc6/0x1e0 [ 3480.848624][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.848624][ T1076] [ 3480.850355][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3480.850355][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3480.850355][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3480.850355][ T1076] ipv6_find_idev+0x102/0x170 [ 3480.850355][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3480.850355][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.850355][ T1076] netlink_rcv_skb+0x130/0x360 [ 3480.850355][ T1076] netlink_unicast+0x449/0x710 [ 3480.850355][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3480.850355][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3480.850355][ T1076] ___sys_sendmsg+0xee/0x170 [ 3480.850355][ T1076] __sys_sendmsg+0xcd/0x170 [ 3480.850355][ T1076] do_syscall_64+0xc6/0x1e0 [ 3480.850355][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.850355][ T1076] [ 3491.333803][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3491.334313][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3491.334313][ T1076] netdev_get_by_index+0x5e/0x80 [ 3491.334313][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3491.334313][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3491.334313][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3491.334313][ T1076] ipv6_add_addr+0x411/0x2000 [ 3491.334313][ T1076] inet6_addr_add+0x30e/0xa40 [ 3491.334313][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.334313][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.334313][ T1076] netlink_rcv_skb+0x130/0x360 [ 3491.334313][ T1076] netlink_unicast+0x449/0x710 [ 3491.334313][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3491.334313][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3491.334313][ T1076] ___sys_sendmsg+0xee/0x170 [ 3491.334313][ T1076] __sys_sendmsg+0xcd/0x170 [ 3491.334313][ T1076] do_syscall_64+0xc6/0x1e0 [ 3491.334313][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.334313][ T1076] [ 3491.336587][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3491.336587][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3491.336587][ T1076] ipv6_find_idev+0x102/0x170 [ 3491.336587][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.336587][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.336587][ T1076] netlink_rcv_skb+0x130/0x360 [ 3491.336587][ T1076] netlink_unicast+0x449/0x710 [ 3491.336587][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3491.336587][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3491.336587][ T1076] ___sys_sendmsg+0xee/0x170 [ 3491.336587][ T1076] __sys_sendmsg+0xcd/0x170 [ 3491.336587][ T1076] do_syscall_64+0xc6/0x1e0 [ 3491.336587][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.336587][ T1076] [ 3491.338321][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3491.338321][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3491.338321][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3491.338321][ T1076] ipv6_find_idev+0x102/0x170 [ 3491.338321][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.338321][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.338321][ T1076] netlink_rcv_skb+0x130/0x360 [ 3491.338321][ T1076] netlink_unicast+0x449/0x710 [ 3491.338321][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3491.338321][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3491.338321][ T1076] ___sys_sendmsg+0xee/0x170 [ 3491.338321][ T1076] __sys_sendmsg+0xcd/0x170 [ 3491.338321][ T1076] do_syscall_64+0xc6/0x1e0 [ 3491.338321][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.338321][ T1076] [ 3501.357644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3501.358153][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3501.358153][ T1076] netdev_get_by_index+0x5e/0x80 [ 3501.358153][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3501.358153][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3501.358153][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3501.358153][ T1076] ipv6_add_addr+0x411/0x2000 [ 3501.358153][ T1076] inet6_addr_add+0x30e/0xa40 [ 3501.358153][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.358153][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.358153][ T1076] netlink_rcv_skb+0x130/0x360 [ 3501.358153][ T1076] netlink_unicast+0x449/0x710 [ 3501.358153][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3501.358153][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3501.358153][ T1076] ___sys_sendmsg+0xee/0x170 [ 3501.358153][ T1076] __sys_sendmsg+0xcd/0x170 [ 3501.358153][ T1076] do_syscall_64+0xc6/0x1e0 [ 3501.358153][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.358153][ T1076] [ 3501.360420][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3501.360420][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3501.360420][ T1076] ipv6_find_idev+0x102/0x170 [ 3501.360420][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.360420][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.360420][ T1076] netlink_rcv_skb+0x130/0x360 [ 3501.360420][ T1076] netlink_unicast+0x449/0x710 [ 3501.360420][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3501.360420][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3501.360420][ T1076] ___sys_sendmsg+0xee/0x170 [ 3501.360420][ T1076] __sys_sendmsg+0xcd/0x170 [ 3501.360420][ T1076] do_syscall_64+0xc6/0x1e0 [ 3501.360420][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.360420][ T1076] [ 3501.362156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3501.362156][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3501.362156][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3501.362156][ T1076] ipv6_find_idev+0x102/0x170 [ 3501.362156][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.362156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.362156][ T1076] netlink_rcv_skb+0x130/0x360 [ 3501.362156][ T1076] netlink_unicast+0x449/0x710 [ 3501.362156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3501.362156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3501.362156][ T1076] ___sys_sendmsg+0xee/0x170 [ 3501.362156][ T1076] __sys_sendmsg+0xcd/0x170 [ 3501.362156][ T1076] do_syscall_64+0xc6/0x1e0 [ 3501.362156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.362156][ T1076] [ 3511.485676][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3511.486205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3511.486205][ T1076] netdev_get_by_index+0x5e/0x80 [ 3511.486205][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3511.486205][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3511.486205][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3511.486205][ T1076] ipv6_add_addr+0x411/0x2000 [ 3511.486205][ T1076] inet6_addr_add+0x30e/0xa40 [ 3511.486205][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.486205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.486205][ T1076] netlink_rcv_skb+0x130/0x360 [ 3511.486205][ T1076] netlink_unicast+0x449/0x710 [ 3511.486205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3511.486205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3511.486205][ T1076] ___sys_sendmsg+0xee/0x170 [ 3511.486205][ T1076] __sys_sendmsg+0xcd/0x170 [ 3511.486205][ T1076] do_syscall_64+0xc6/0x1e0 [ 3511.486205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.486205][ T1076] [ 3511.488480][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3511.488480][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3511.488480][ T1076] ipv6_find_idev+0x102/0x170 [ 3511.488480][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.488480][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.488480][ T1076] netlink_rcv_skb+0x130/0x360 [ 3511.488480][ T1076] netlink_unicast+0x449/0x710 [ 3511.488480][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3511.488480][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3511.488480][ T1076] ___sys_sendmsg+0xee/0x170 [ 3511.488480][ T1076] __sys_sendmsg+0xcd/0x170 [ 3511.488480][ T1076] do_syscall_64+0xc6/0x1e0 [ 3511.488480][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.488480][ T1076] [ 3511.490205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3511.490205][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3511.490205][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3511.490205][ T1076] ipv6_find_idev+0x102/0x170 [ 3511.490205][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.490205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.490205][ T1076] netlink_rcv_skb+0x130/0x360 [ 3511.490205][ T1076] netlink_unicast+0x449/0x710 [ 3511.490205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3511.490205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3511.490205][ T1076] ___sys_sendmsg+0xee/0x170 [ 3511.490205][ T1076] __sys_sendmsg+0xcd/0x170 [ 3511.490205][ T1076] do_syscall_64+0xc6/0x1e0 [ 3511.490205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.490205][ T1076] [ 3521.661705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3521.662239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3521.662239][ T1076] netdev_get_by_index+0x5e/0x80 [ 3521.662239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3521.662239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3521.662239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3521.662239][ T1076] ipv6_add_addr+0x411/0x2000 [ 3521.662239][ T1076] inet6_addr_add+0x30e/0xa40 [ 3521.662239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3521.662239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.662239][ T1076] netlink_rcv_skb+0x130/0x360 [ 3521.662239][ T1076] netlink_unicast+0x449/0x710 [ 3521.662239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3521.662239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3521.662239][ T1076] ___sys_sendmsg+0xee/0x170 [ 3521.662239][ T1076] __sys_sendmsg+0xcd/0x170 [ 3521.662239][ T1076] do_syscall_64+0xc6/0x1e0 [ 3521.662239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.662239][ T1076] [ 3521.664856][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3521.664856][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3521.664856][ T1076] ipv6_find_idev+0x102/0x170 [ 3521.664856][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3521.664856][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.664856][ T1076] netlink_rcv_skb+0x130/0x360 [ 3521.664856][ T1076] netlink_unicast+0x449/0x710 [ 3521.664856][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3521.664856][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3521.664856][ T1076] ___sys_sendmsg+0xee/0x170 [ 3521.664856][ T1076] __sys_sendmsg+0xcd/0x170 [ 3521.664856][ T1076] do_syscall_64+0xc6/0x1e0 [ 3521.664856][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.664856][ T1076] [ 3521.666586][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3521.666586][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3521.666586][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3521.666586][ T1076] ipv6_find_idev+0x102/0x170 [ 3521.666586][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3521.666586][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.666586][ T1076] netlink_rcv_skb+0x130/0x360 [ 3521.666586][ T1076] netlink_unicast+0x449/0x710 [ 3521.666586][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3521.666586][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3521.666586][ T1076] ___sys_sendmsg+0xee/0x170 [ 3521.666586][ T1076] __sys_sendmsg+0xcd/0x170 [ 3521.666586][ T1076] do_syscall_64+0xc6/0x1e0 [ 3521.666586][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.666586][ T1076] [ 3531.773711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3531.774268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3531.774268][ T1076] netdev_get_by_index+0x5e/0x80 [ 3531.774268][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3531.774268][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3531.774268][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3531.774268][ T1076] ipv6_add_addr+0x411/0x2000 [ 3531.774268][ T1076] inet6_addr_add+0x30e/0xa40 [ 3531.774268][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3531.774268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.774268][ T1076] netlink_rcv_skb+0x130/0x360 [ 3531.774268][ T1076] netlink_unicast+0x449/0x710 [ 3531.774268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3531.774268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3531.774268][ T1076] ___sys_sendmsg+0xee/0x170 [ 3531.774268][ T1076] __sys_sendmsg+0xcd/0x170 [ 3531.774268][ T1076] do_syscall_64+0xc6/0x1e0 [ 3531.774268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.774268][ T1076] [ 3531.776589][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3531.776589][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3531.776589][ T1076] ipv6_find_idev+0x102/0x170 [ 3531.776589][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3531.776589][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.776589][ T1076] netlink_rcv_skb+0x130/0x360 [ 3531.776589][ T1076] netlink_unicast+0x449/0x710 [ 3531.776589][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3531.776589][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3531.776589][ T1076] ___sys_sendmsg+0xee/0x170 [ 3531.776589][ T1076] __sys_sendmsg+0xcd/0x170 [ 3531.776589][ T1076] do_syscall_64+0xc6/0x1e0 [ 3531.776589][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.776589][ T1076] [ 3531.778343][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3531.778343][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3531.778343][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3531.778343][ T1076] ipv6_find_idev+0x102/0x170 [ 3531.778343][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3531.778343][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.778343][ T1076] netlink_rcv_skb+0x130/0x360 [ 3531.778343][ T1076] netlink_unicast+0x449/0x710 [ 3531.778343][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3531.778343][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3531.778343][ T1076] ___sys_sendmsg+0xee/0x170 [ 3531.778343][ T1076] __sys_sendmsg+0xcd/0x170 [ 3531.778343][ T1076] do_syscall_64+0xc6/0x1e0 [ 3531.778343][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.778343][ T1076] [ 3542.021668][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3542.022287][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3542.022287][ T1076] netdev_get_by_index+0x5e/0x80 [ 3542.022287][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3542.022287][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3542.022287][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3542.022287][ T1076] ipv6_add_addr+0x411/0x2000 [ 3542.022287][ T1076] inet6_addr_add+0x30e/0xa40 [ 3542.022287][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.022287][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.022287][ T1076] netlink_rcv_skb+0x130/0x360 [ 3542.022287][ T1076] netlink_unicast+0x449/0x710 [ 3542.022287][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3542.022287][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3542.022287][ T1076] ___sys_sendmsg+0xee/0x170 [ 3542.022287][ T1076] __sys_sendmsg+0xcd/0x170 [ 3542.022287][ T1076] do_syscall_64+0xc6/0x1e0 [ 3542.022287][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.022287][ T1076] [ 3542.024682][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3542.024682][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3542.024682][ T1076] ipv6_find_idev+0x102/0x170 [ 3542.024682][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.024682][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.024682][ T1076] netlink_rcv_skb+0x130/0x360 [ 3542.024682][ T1076] netlink_unicast+0x449/0x710 [ 3542.024682][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3542.024682][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3542.024682][ T1076] ___sys_sendmsg+0xee/0x170 [ 3542.024682][ T1076] __sys_sendmsg+0xcd/0x170 [ 3542.024682][ T1076] do_syscall_64+0xc6/0x1e0 [ 3542.024682][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.024682][ T1076] [ 3542.026541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3542.026541][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3542.026541][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3542.026541][ T1076] ipv6_find_idev+0x102/0x170 [ 3542.026541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.026541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.026541][ T1076] netlink_rcv_skb+0x130/0x360 [ 3542.026541][ T1076] netlink_unicast+0x449/0x710 [ 3542.026541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3542.026541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3542.026541][ T1076] ___sys_sendmsg+0xee/0x170 [ 3542.026541][ T1076] __sys_sendmsg+0xcd/0x170 [ 3542.026541][ T1076] do_syscall_64+0xc6/0x1e0 [ 3542.026541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.026541][ T1076] [ 3552.269720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3552.270193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3552.270193][ T1076] netdev_get_by_index+0x5e/0x80 [ 3552.270193][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3552.270193][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3552.270193][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3552.270193][ T1076] ipv6_add_addr+0x411/0x2000 [ 3552.270193][ T1076] inet6_addr_add+0x30e/0xa40 [ 3552.270193][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.270193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.270193][ T1076] netlink_rcv_skb+0x130/0x360 [ 3552.270193][ T1076] netlink_unicast+0x449/0x710 [ 3552.270193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3552.270193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3552.270193][ T1076] ___sys_sendmsg+0xee/0x170 [ 3552.270193][ T1076] __sys_sendmsg+0xcd/0x170 [ 3552.270193][ T1076] do_syscall_64+0xc6/0x1e0 [ 3552.270193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.270193][ T1076] [ 3552.272487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3552.272487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3552.272487][ T1076] ipv6_find_idev+0x102/0x170 [ 3552.272487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.272487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.272487][ T1076] netlink_rcv_skb+0x130/0x360 [ 3552.272487][ T1076] netlink_unicast+0x449/0x710 [ 3552.272487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3552.272487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3552.272487][ T1076] ___sys_sendmsg+0xee/0x170 [ 3552.272487][ T1076] __sys_sendmsg+0xcd/0x170 [ 3552.272487][ T1076] do_syscall_64+0xc6/0x1e0 [ 3552.272487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.272487][ T1076] [ 3552.274245][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3552.274245][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3552.274245][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3552.274245][ T1076] ipv6_find_idev+0x102/0x170 [ 3552.274245][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.274245][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.274245][ T1076] netlink_rcv_skb+0x130/0x360 [ 3552.274245][ T1076] netlink_unicast+0x449/0x710 [ 3552.274245][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3552.274245][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3552.274245][ T1076] ___sys_sendmsg+0xee/0x170 [ 3552.274245][ T1076] __sys_sendmsg+0xcd/0x170 [ 3552.274245][ T1076] do_syscall_64+0xc6/0x1e0 [ 3552.274245][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.274245][ T1076] [ 3562.517796][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3562.518338][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3562.518338][ T1076] netdev_get_by_index+0x5e/0x80 [ 3562.518338][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3562.518338][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3562.518338][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3562.518338][ T1076] ipv6_add_addr+0x411/0x2000 [ 3562.518338][ T1076] inet6_addr_add+0x30e/0xa40 [ 3562.518338][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3562.518338][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.518338][ T1076] netlink_rcv_skb+0x130/0x360 [ 3562.518338][ T1076] netlink_unicast+0x449/0x710 [ 3562.518338][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3562.518338][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3562.518338][ T1076] ___sys_sendmsg+0xee/0x170 [ 3562.518338][ T1076] __sys_sendmsg+0xcd/0x170 [ 3562.518338][ T1076] do_syscall_64+0xc6/0x1e0 [ 3562.518338][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.518338][ T1076] [ 3562.520645][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3562.520645][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3562.520645][ T1076] ipv6_find_idev+0x102/0x170 [ 3562.520645][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3562.520645][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.520645][ T1076] netlink_rcv_skb+0x130/0x360 [ 3562.520645][ T1076] netlink_unicast+0x449/0x710 [ 3562.520645][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3562.520645][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3562.520645][ T1076] ___sys_sendmsg+0xee/0x170 [ 3562.520645][ T1076] __sys_sendmsg+0xcd/0x170 [ 3562.520645][ T1076] do_syscall_64+0xc6/0x1e0 [ 3562.520645][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.520645][ T1076] [ 3562.522399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3562.522399][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3562.522399][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3562.522399][ T1076] ipv6_find_idev+0x102/0x170 [ 3562.522399][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3562.522399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.522399][ T1076] netlink_rcv_skb+0x130/0x360 [ 3562.522399][ T1076] netlink_unicast+0x449/0x710 [ 3562.522399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3562.522399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3562.522399][ T1076] ___sys_sendmsg+0xee/0x170 [ 3562.522399][ T1076] __sys_sendmsg+0xcd/0x170 [ 3562.522399][ T1076] do_syscall_64+0xc6/0x1e0 [ 3562.522399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.522399][ T1076] [ 3572.765678][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3572.766170][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3572.766170][ T1076] netdev_get_by_index+0x5e/0x80 [ 3572.766170][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3572.766170][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3572.766170][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3572.766170][ T1076] ipv6_add_addr+0x411/0x2000 [ 3572.766170][ T1076] inet6_addr_add+0x30e/0xa40 [ 3572.766170][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3572.766170][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.766170][ T1076] netlink_rcv_skb+0x130/0x360 [ 3572.766170][ T1076] netlink_unicast+0x449/0x710 [ 3572.766170][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3572.766170][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3572.766170][ T1076] ___sys_sendmsg+0xee/0x170 [ 3572.766170][ T1076] __sys_sendmsg+0xcd/0x170 [ 3572.766170][ T1076] do_syscall_64+0xc6/0x1e0 [ 3572.766170][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.766170][ T1076] [ 3572.768464][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3572.768464][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3572.768464][ T1076] ipv6_find_idev+0x102/0x170 [ 3572.768464][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3572.768464][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.768464][ T1076] netlink_rcv_skb+0x130/0x360 [ 3572.768464][ T1076] netlink_unicast+0x449/0x710 [ 3572.768464][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3572.768464][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3572.768464][ T1076] ___sys_sendmsg+0xee/0x170 [ 3572.768464][ T1076] __sys_sendmsg+0xcd/0x170 [ 3572.768464][ T1076] do_syscall_64+0xc6/0x1e0 [ 3572.768464][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.768464][ T1076] [ 3572.770235][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3572.770235][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3572.770235][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3572.770235][ T1076] ipv6_find_idev+0x102/0x170 [ 3572.770235][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3572.770235][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.770235][ T1076] netlink_rcv_skb+0x130/0x360 [ 3572.770235][ T1076] netlink_unicast+0x449/0x710 [ 3572.770235][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3572.770235][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3572.770235][ T1076] ___sys_sendmsg+0xee/0x170 [ 3572.770235][ T1076] __sys_sendmsg+0xcd/0x170 [ 3572.770235][ T1076] do_syscall_64+0xc6/0x1e0 [ 3572.770235][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.770235][ T1076] [ 3583.013663][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3583.014230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3583.014230][ T1076] netdev_get_by_index+0x5e/0x80 [ 3583.014230][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3583.014230][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3583.014230][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3583.014230][ T1076] ipv6_add_addr+0x411/0x2000 [ 3583.014230][ T1076] inet6_addr_add+0x30e/0xa40 [ 3583.014230][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.014230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.014230][ T1076] netlink_rcv_skb+0x130/0x360 [ 3583.014230][ T1076] netlink_unicast+0x449/0x710 [ 3583.014230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3583.014230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3583.014230][ T1076] ___sys_sendmsg+0xee/0x170 [ 3583.014230][ T1076] __sys_sendmsg+0xcd/0x170 [ 3583.014230][ T1076] do_syscall_64+0xc6/0x1e0 [ 3583.014230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.014230][ T1076] [ 3583.016567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3583.016567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3583.016567][ T1076] ipv6_find_idev+0x102/0x170 [ 3583.016567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.016567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.016567][ T1076] netlink_rcv_skb+0x130/0x360 [ 3583.016567][ T1076] netlink_unicast+0x449/0x710 [ 3583.016567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3583.016567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3583.016567][ T1076] ___sys_sendmsg+0xee/0x170 [ 3583.016567][ T1076] __sys_sendmsg+0xcd/0x170 [ 3583.016567][ T1076] do_syscall_64+0xc6/0x1e0 [ 3583.016567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.016567][ T1076] [ 3583.018325][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3583.018325][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3583.018325][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3583.018325][ T1076] ipv6_find_idev+0x102/0x170 [ 3583.018325][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.018325][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.018325][ T1076] netlink_rcv_skb+0x130/0x360 [ 3583.018325][ T1076] netlink_unicast+0x449/0x710 [ 3583.018325][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3583.018325][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3583.018325][ T1076] ___sys_sendmsg+0xee/0x170 [ 3583.018325][ T1076] __sys_sendmsg+0xcd/0x170 [ 3583.018325][ T1076] do_syscall_64+0xc6/0x1e0 [ 3583.018325][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.018325][ T1076] [ 3593.261764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3593.262295][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3593.262295][ T1076] netdev_get_by_index+0x5e/0x80 [ 3593.262295][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3593.262295][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3593.262295][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3593.262295][ T1076] ipv6_add_addr+0x411/0x2000 [ 3593.262295][ T1076] inet6_addr_add+0x30e/0xa40 [ 3593.262295][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3593.262295][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.262295][ T1076] netlink_rcv_skb+0x130/0x360 [ 3593.262295][ T1076] netlink_unicast+0x449/0x710 [ 3593.262295][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3593.262295][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3593.262295][ T1076] ___sys_sendmsg+0xee/0x170 [ 3593.262295][ T1076] __sys_sendmsg+0xcd/0x170 [ 3593.262295][ T1076] do_syscall_64+0xc6/0x1e0 [ 3593.262295][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.262295][ T1076] [ 3593.264595][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3593.264595][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3593.264595][ T1076] ipv6_find_idev+0x102/0x170 [ 3593.264595][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3593.264595][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.264595][ T1076] netlink_rcv_skb+0x130/0x360 [ 3593.264595][ T1076] netlink_unicast+0x449/0x710 [ 3593.264595][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3593.264595][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3593.264595][ T1076] ___sys_sendmsg+0xee/0x170 [ 3593.264595][ T1076] __sys_sendmsg+0xcd/0x170 [ 3593.264595][ T1076] do_syscall_64+0xc6/0x1e0 [ 3593.264595][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.264595][ T1076] [ 3593.266381][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3593.266381][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3593.266381][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3593.266381][ T1076] ipv6_find_idev+0x102/0x170 [ 3593.266381][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3593.266381][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.266381][ T1076] netlink_rcv_skb+0x130/0x360 [ 3593.266381][ T1076] netlink_unicast+0x449/0x710 [ 3593.266381][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3593.266381][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3593.266381][ T1076] ___sys_sendmsg+0xee/0x170 [ 3593.266381][ T1076] __sys_sendmsg+0xcd/0x170 [ 3593.266381][ T1076] do_syscall_64+0xc6/0x1e0 [ 3593.266381][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.266381][ T1076] [ 3603.509679][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3603.510150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3603.510150][ T1076] netdev_get_by_index+0x5e/0x80 [ 3603.510150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3603.510150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3603.510150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3603.510150][ T1076] ipv6_add_addr+0x411/0x2000 [ 3603.510150][ T1076] inet6_addr_add+0x30e/0xa40 [ 3603.510150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3603.510150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.510150][ T1076] netlink_rcv_skb+0x130/0x360 [ 3603.510150][ T1076] netlink_unicast+0x449/0x710 [ 3603.510150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3603.510150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3603.510150][ T1076] ___sys_sendmsg+0xee/0x170 [ 3603.510150][ T1076] __sys_sendmsg+0xcd/0x170 [ 3603.510150][ T1076] do_syscall_64+0xc6/0x1e0 [ 3603.510150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.510150][ T1076] [ 3603.512442][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3603.512442][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3603.512442][ T1076] ipv6_find_idev+0x102/0x170 [ 3603.512442][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3603.512442][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.512442][ T1076] netlink_rcv_skb+0x130/0x360 [ 3603.512442][ T1076] netlink_unicast+0x449/0x710 [ 3603.512442][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3603.512442][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3603.512442][ T1076] ___sys_sendmsg+0xee/0x170 [ 3603.512442][ T1076] __sys_sendmsg+0xcd/0x170 [ 3603.512442][ T1076] do_syscall_64+0xc6/0x1e0 [ 3603.512442][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.512442][ T1076] [ 3603.514196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3603.514196][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3603.514196][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3603.514196][ T1076] ipv6_find_idev+0x102/0x170 [ 3603.514196][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3603.514196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.514196][ T1076] netlink_rcv_skb+0x130/0x360 [ 3603.514196][ T1076] netlink_unicast+0x449/0x710 [ 3603.514196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3603.514196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3603.514196][ T1076] ___sys_sendmsg+0xee/0x170 [ 3603.514196][ T1076] __sys_sendmsg+0xcd/0x170 [ 3603.514196][ T1076] do_syscall_64+0xc6/0x1e0 [ 3603.514196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.514196][ T1076] [ 3613.517786][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3613.518318][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3613.518318][ T1076] netdev_get_by_index+0x5e/0x80 [ 3613.518318][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3613.518318][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3613.518318][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3613.518318][ T1076] ipv6_add_addr+0x411/0x2000 [ 3613.518318][ T1076] inet6_addr_add+0x30e/0xa40 [ 3613.518318][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3613.518318][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.518318][ T1076] netlink_rcv_skb+0x130/0x360 [ 3613.518318][ T1076] netlink_unicast+0x449/0x710 [ 3613.518318][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3613.518318][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3613.518318][ T1076] ___sys_sendmsg+0xee/0x170 [ 3613.518318][ T1076] __sys_sendmsg+0xcd/0x170 [ 3613.518318][ T1076] do_syscall_64+0xc6/0x1e0 [ 3613.518318][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.518318][ T1076] [ 3613.520621][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3613.520621][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3613.520621][ T1076] ipv6_find_idev+0x102/0x170 [ 3613.520621][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3613.520621][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.520621][ T1076] netlink_rcv_skb+0x130/0x360 [ 3613.520621][ T1076] netlink_unicast+0x449/0x710 [ 3613.520621][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3613.520621][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3613.520621][ T1076] ___sys_sendmsg+0xee/0x170 [ 3613.520621][ T1076] __sys_sendmsg+0xcd/0x170 [ 3613.520621][ T1076] do_syscall_64+0xc6/0x1e0 [ 3613.520621][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.520621][ T1076] [ 3613.522484][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3613.522484][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3613.522484][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3613.522484][ T1076] ipv6_find_idev+0x102/0x170 [ 3613.522484][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3613.522484][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.522484][ T1076] netlink_rcv_skb+0x130/0x360 [ 3613.522484][ T1076] netlink_unicast+0x449/0x710 [ 3613.522484][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3613.522484][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3613.522484][ T1076] ___sys_sendmsg+0xee/0x170 [ 3613.522484][ T1076] __sys_sendmsg+0xcd/0x170 [ 3613.522484][ T1076] do_syscall_64+0xc6/0x1e0 [ 3613.522484][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.522484][ T1076] [ 3623.765771][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3623.766281][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3623.766281][ T1076] netdev_get_by_index+0x5e/0x80 [ 3623.766281][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3623.766281][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3623.766281][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3623.766281][ T1076] ipv6_add_addr+0x411/0x2000 [ 3623.766281][ T1076] inet6_addr_add+0x30e/0xa40 [ 3623.766281][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3623.766281][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.766281][ T1076] netlink_rcv_skb+0x130/0x360 [ 3623.766281][ T1076] netlink_unicast+0x449/0x710 [ 3623.766281][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3623.766281][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3623.766281][ T1076] ___sys_sendmsg+0xee/0x170 [ 3623.766281][ T1076] __sys_sendmsg+0xcd/0x170 [ 3623.766281][ T1076] do_syscall_64+0xc6/0x1e0 [ 3623.766281][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.766281][ T1076] [ 3623.768555][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3623.768555][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3623.768555][ T1076] ipv6_find_idev+0x102/0x170 [ 3623.768555][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3623.768555][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.768555][ T1076] netlink_rcv_skb+0x130/0x360 [ 3623.768555][ T1076] netlink_unicast+0x449/0x710 [ 3623.768555][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3623.768555][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3623.768555][ T1076] ___sys_sendmsg+0xee/0x170 [ 3623.768555][ T1076] __sys_sendmsg+0xcd/0x170 [ 3623.768555][ T1076] do_syscall_64+0xc6/0x1e0 [ 3623.768555][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.768555][ T1076] [ 3623.770292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3623.770292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3623.770292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3623.770292][ T1076] ipv6_find_idev+0x102/0x170 [ 3623.770292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3623.770292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.770292][ T1076] netlink_rcv_skb+0x130/0x360 [ 3623.770292][ T1076] netlink_unicast+0x449/0x710 [ 3623.770292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3623.770292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3623.770292][ T1076] ___sys_sendmsg+0xee/0x170 [ 3623.770292][ T1076] __sys_sendmsg+0xcd/0x170 [ 3623.770292][ T1076] do_syscall_64+0xc6/0x1e0 [ 3623.770292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.770292][ T1076] [ 3633.869745][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3633.870278][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3633.870278][ T1076] netdev_get_by_index+0x5e/0x80 [ 3633.870278][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3633.870278][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3633.870278][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3633.870278][ T1076] ipv6_add_addr+0x411/0x2000 [ 3633.870278][ T1076] inet6_addr_add+0x30e/0xa40 [ 3633.870278][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3633.870278][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3633.870278][ T1076] netlink_rcv_skb+0x130/0x360 [ 3633.870278][ T1076] netlink_unicast+0x449/0x710 [ 3633.870278][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3633.870278][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3633.870278][ T1076] ___sys_sendmsg+0xee/0x170 [ 3633.870278][ T1076] __sys_sendmsg+0xcd/0x170 [ 3633.870278][ T1076] do_syscall_64+0xc6/0x1e0 [ 3633.870278][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3633.870278][ T1076] [ 3633.872577][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3633.872577][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3633.872577][ T1076] ipv6_find_idev+0x102/0x170 [ 3633.872577][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3633.872577][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3633.872577][ T1076] netlink_rcv_skb+0x130/0x360 [ 3633.872577][ T1076] netlink_unicast+0x449/0x710 [ 3633.872577][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3633.872577][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3633.872577][ T1076] ___sys_sendmsg+0xee/0x170 [ 3633.872577][ T1076] __sys_sendmsg+0xcd/0x170 [ 3633.872577][ T1076] do_syscall_64+0xc6/0x1e0 [ 3633.872577][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3633.872577][ T1076] [ 3633.874309][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3633.874309][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3633.874309][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3633.874309][ T1076] ipv6_find_idev+0x102/0x170 [ 3633.874309][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3633.874309][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3633.874309][ T1076] netlink_rcv_skb+0x130/0x360 [ 3633.874309][ T1076] netlink_unicast+0x449/0x710 [ 3633.874309][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3633.874309][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3633.874309][ T1076] ___sys_sendmsg+0xee/0x170 [ 3633.874309][ T1076] __sys_sendmsg+0xcd/0x170 [ 3633.874309][ T1076] do_syscall_64+0xc6/0x1e0 [ 3633.874309][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3633.874309][ T1076] [ 3644.125758][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3644.126279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3644.126279][ T1076] netdev_get_by_index+0x5e/0x80 [ 3644.126279][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3644.126279][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3644.126279][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3644.126279][ T1076] ipv6_add_addr+0x411/0x2000 [ 3644.126279][ T1076] inet6_addr_add+0x30e/0xa40 [ 3644.126279][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3644.126279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.126279][ T1076] netlink_rcv_skb+0x130/0x360 [ 3644.126279][ T1076] netlink_unicast+0x449/0x710 [ 3644.126279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3644.126279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3644.126279][ T1076] ___sys_sendmsg+0xee/0x170 [ 3644.126279][ T1076] __sys_sendmsg+0xcd/0x170 [ 3644.126279][ T1076] do_syscall_64+0xc6/0x1e0 [ 3644.126279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.126279][ T1076] [ 3644.128539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3644.128539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3644.128539][ T1076] ipv6_find_idev+0x102/0x170 [ 3644.128539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3644.128539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.128539][ T1076] netlink_rcv_skb+0x130/0x360 [ 3644.128539][ T1076] netlink_unicast+0x449/0x710 [ 3644.128539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3644.128539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3644.128539][ T1076] ___sys_sendmsg+0xee/0x170 [ 3644.128539][ T1076] __sys_sendmsg+0xcd/0x170 [ 3644.128539][ T1076] do_syscall_64+0xc6/0x1e0 [ 3644.128539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.128539][ T1076] [ 3644.130270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3644.130270][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3644.130270][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3644.130270][ T1076] ipv6_find_idev+0x102/0x170 [ 3644.130270][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3644.130270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.130270][ T1076] netlink_rcv_skb+0x130/0x360 [ 3644.130270][ T1076] netlink_unicast+0x449/0x710 [ 3644.130270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3644.130270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3644.130270][ T1076] ___sys_sendmsg+0xee/0x170 [ 3644.130270][ T1076] __sys_sendmsg+0xcd/0x170 [ 3644.130270][ T1076] do_syscall_64+0xc6/0x1e0 [ 3644.130270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.130270][ T1076] [ 3654.165761][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3654.166226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3654.166226][ T1076] netdev_get_by_index+0x5e/0x80 [ 3654.166226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3654.166226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3654.166226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3654.166226][ T1076] ipv6_add_addr+0x411/0x2000 [ 3654.166226][ T1076] inet6_addr_add+0x30e/0xa40 [ 3654.166226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3654.166226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.166226][ T1076] netlink_rcv_skb+0x130/0x360 [ 3654.166226][ T1076] netlink_unicast+0x449/0x710 [ 3654.166226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3654.166226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3654.166226][ T1076] ___sys_sendmsg+0xee/0x170 [ 3654.166226][ T1076] __sys_sendmsg+0xcd/0x170 [ 3654.166226][ T1076] do_syscall_64+0xc6/0x1e0 [ 3654.166226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.166226][ T1076] [ 3654.168485][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3654.168485][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3654.168485][ T1076] ipv6_find_idev+0x102/0x170 [ 3654.168485][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3654.168485][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.168485][ T1076] netlink_rcv_skb+0x130/0x360 [ 3654.168485][ T1076] netlink_unicast+0x449/0x710 [ 3654.168485][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3654.168485][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3654.168485][ T1076] ___sys_sendmsg+0xee/0x170 [ 3654.168485][ T1076] __sys_sendmsg+0xcd/0x170 [ 3654.168485][ T1076] do_syscall_64+0xc6/0x1e0 [ 3654.168485][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.168485][ T1076] [ 3654.170210][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3654.170210][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3654.170210][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3654.170210][ T1076] ipv6_find_idev+0x102/0x170 [ 3654.170210][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3654.170210][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.170210][ T1076] netlink_rcv_skb+0x130/0x360 [ 3654.170210][ T1076] netlink_unicast+0x449/0x710 [ 3654.170210][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3654.170210][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3654.170210][ T1076] ___sys_sendmsg+0xee/0x170 [ 3654.170210][ T1076] __sys_sendmsg+0xcd/0x170 [ 3654.170210][ T1076] do_syscall_64+0xc6/0x1e0 [ 3654.170210][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.170210][ T1076] [ 3664.413713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3664.414228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3664.414228][ T1076] netdev_get_by_index+0x5e/0x80 [ 3664.414228][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3664.414228][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3664.414228][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3664.414228][ T1076] ipv6_add_addr+0x411/0x2000 [ 3664.414228][ T1076] inet6_addr_add+0x30e/0xa40 [ 3664.414228][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3664.414228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.414228][ T1076] netlink_rcv_skb+0x130/0x360 [ 3664.414228][ T1076] netlink_unicast+0x449/0x710 [ 3664.414228][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3664.414228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3664.414228][ T1076] ___sys_sendmsg+0xee/0x170 [ 3664.414228][ T1076] __sys_sendmsg+0xcd/0x170 [ 3664.414228][ T1076] do_syscall_64+0xc6/0x1e0 [ 3664.414228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.414228][ T1076] [ 3664.416512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3664.416512][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3664.416512][ T1076] ipv6_find_idev+0x102/0x170 [ 3664.416512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3664.416512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.416512][ T1076] netlink_rcv_skb+0x130/0x360 [ 3664.416512][ T1076] netlink_unicast+0x449/0x710 [ 3664.416512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3664.416512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3664.416512][ T1076] ___sys_sendmsg+0xee/0x170 [ 3664.416512][ T1076] __sys_sendmsg+0xcd/0x170 [ 3664.416512][ T1076] do_syscall_64+0xc6/0x1e0 [ 3664.416512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.416512][ T1076] [ 3664.418247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3664.418247][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3664.418247][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3664.418247][ T1076] ipv6_find_idev+0x102/0x170 [ 3664.418247][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3664.418247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.418247][ T1076] netlink_rcv_skb+0x130/0x360 [ 3664.418247][ T1076] netlink_unicast+0x449/0x710 [ 3664.418247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3664.418247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3664.418247][ T1076] ___sys_sendmsg+0xee/0x170 [ 3664.418247][ T1076] __sys_sendmsg+0xcd/0x170 [ 3664.418247][ T1076] do_syscall_64+0xc6/0x1e0 [ 3664.418247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.418247][ T1076] [ 3674.453718][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3674.454229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3674.454229][ T1076] netdev_get_by_index+0x5e/0x80 [ 3674.454229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3674.454229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3674.454229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3674.454229][ T1076] ipv6_add_addr+0x411/0x2000 [ 3674.454229][ T1076] inet6_addr_add+0x30e/0xa40 [ 3674.454229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3674.454229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.454229][ T1076] netlink_rcv_skb+0x130/0x360 [ 3674.454229][ T1076] netlink_unicast+0x449/0x710 [ 3674.454229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3674.454229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3674.454229][ T1076] ___sys_sendmsg+0xee/0x170 [ 3674.454229][ T1076] __sys_sendmsg+0xcd/0x170 [ 3674.454229][ T1076] do_syscall_64+0xc6/0x1e0 [ 3674.454229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.454229][ T1076] [ 3674.456515][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3674.456515][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3674.456515][ T1076] ipv6_find_idev+0x102/0x170 [ 3674.456515][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3674.456515][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.456515][ T1076] netlink_rcv_skb+0x130/0x360 [ 3674.456515][ T1076] netlink_unicast+0x449/0x710 [ 3674.456515][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3674.456515][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3674.456515][ T1076] ___sys_sendmsg+0xee/0x170 [ 3674.456515][ T1076] __sys_sendmsg+0xcd/0x170 [ 3674.456515][ T1076] do_syscall_64+0xc6/0x1e0 [ 3674.456515][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.456515][ T1076] [ 3674.458265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3674.458265][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3674.458265][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3674.458265][ T1076] ipv6_find_idev+0x102/0x170 [ 3674.458265][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3674.458265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.458265][ T1076] netlink_rcv_skb+0x130/0x360 [ 3674.458265][ T1076] netlink_unicast+0x449/0x710 [ 3674.458265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3674.458265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3674.458265][ T1076] ___sys_sendmsg+0xee/0x170 [ 3674.458265][ T1076] __sys_sendmsg+0xcd/0x170 [ 3674.458265][ T1076] do_syscall_64+0xc6/0x1e0 [ 3674.458265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.458265][ T1076] [ 3684.701809][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3684.702254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3684.702254][ T1076] netdev_get_by_index+0x5e/0x80 [ 3684.702254][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3684.702254][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3684.702254][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3684.702254][ T1076] ipv6_add_addr+0x411/0x2000 [ 3684.702254][ T1076] inet6_addr_add+0x30e/0xa40 [ 3684.702254][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3684.702254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.702254][ T1076] netlink_rcv_skb+0x130/0x360 [ 3684.702254][ T1076] netlink_unicast+0x449/0x710 [ 3684.702254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3684.702254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3684.702254][ T1076] ___sys_sendmsg+0xee/0x170 [ 3684.702254][ T1076] __sys_sendmsg+0xcd/0x170 [ 3684.702254][ T1076] do_syscall_64+0xc6/0x1e0 [ 3684.702254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.702254][ T1076] [ 3684.704529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3684.704529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3684.704529][ T1076] ipv6_find_idev+0x102/0x170 [ 3684.704529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3684.704529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.704529][ T1076] netlink_rcv_skb+0x130/0x360 [ 3684.704529][ T1076] netlink_unicast+0x449/0x710 [ 3684.704529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3684.704529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3684.704529][ T1076] ___sys_sendmsg+0xee/0x170 [ 3684.704529][ T1076] __sys_sendmsg+0xcd/0x170 [ 3684.704529][ T1076] do_syscall_64+0xc6/0x1e0 [ 3684.704529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.704529][ T1076] [ 3684.706282][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3684.706282][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3684.706282][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3684.706282][ T1076] ipv6_find_idev+0x102/0x170 [ 3684.706282][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3684.706282][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.706282][ T1076] netlink_rcv_skb+0x130/0x360 [ 3684.706282][ T1076] netlink_unicast+0x449/0x710 [ 3684.706282][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3684.706282][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3684.706282][ T1076] ___sys_sendmsg+0xee/0x170 [ 3684.706282][ T1076] __sys_sendmsg+0xcd/0x170 [ 3684.706282][ T1076] do_syscall_64+0xc6/0x1e0 [ 3684.706282][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.706282][ T1076] [ 3694.949739][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3694.950180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3694.950180][ T1076] netdev_get_by_index+0x5e/0x80 [ 3694.950180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3694.950180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3694.950180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3694.950180][ T1076] ipv6_add_addr+0x411/0x2000 [ 3694.950180][ T1076] inet6_addr_add+0x30e/0xa40 [ 3694.950180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3694.950180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3694.950180][ T1076] netlink_rcv_skb+0x130/0x360 [ 3694.950180][ T1076] netlink_unicast+0x449/0x710 [ 3694.950180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3694.950180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3694.950180][ T1076] ___sys_sendmsg+0xee/0x170 [ 3694.950180][ T1076] __sys_sendmsg+0xcd/0x170 [ 3694.950180][ T1076] do_syscall_64+0xc6/0x1e0 [ 3694.950180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3694.950180][ T1076] [ 3694.952574][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3694.952574][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3694.952574][ T1076] ipv6_find_idev+0x102/0x170 [ 3694.952574][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3694.952574][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3694.952574][ T1076] netlink_rcv_skb+0x130/0x360 [ 3694.952574][ T1076] netlink_unicast+0x449/0x710 [ 3694.952574][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3694.952574][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3694.952574][ T1076] ___sys_sendmsg+0xee/0x170 [ 3694.952574][ T1076] __sys_sendmsg+0xcd/0x170 [ 3694.952574][ T1076] do_syscall_64+0xc6/0x1e0 [ 3694.952574][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3694.952574][ T1076] [ 3694.954298][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3694.954298][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3694.954298][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3694.954298][ T1076] ipv6_find_idev+0x102/0x170 [ 3694.954298][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3694.954298][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3694.954298][ T1076] netlink_rcv_skb+0x130/0x360 [ 3694.954298][ T1076] netlink_unicast+0x449/0x710 [ 3694.954298][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3694.954298][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3694.954298][ T1076] ___sys_sendmsg+0xee/0x170 [ 3694.954298][ T1076] __sys_sendmsg+0xcd/0x170 [ 3694.954298][ T1076] do_syscall_64+0xc6/0x1e0 [ 3694.954298][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3694.954298][ T1076] [ 3705.197850][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3705.198374][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3705.198374][ T1076] netdev_get_by_index+0x5e/0x80 [ 3705.198374][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3705.198374][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3705.198374][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3705.198374][ T1076] ipv6_add_addr+0x411/0x2000 [ 3705.198374][ T1076] inet6_addr_add+0x30e/0xa40 [ 3705.198374][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3705.198374][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.198374][ T1076] netlink_rcv_skb+0x130/0x360 [ 3705.198374][ T1076] netlink_unicast+0x449/0x710 [ 3705.198374][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3705.198374][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3705.198374][ T1076] ___sys_sendmsg+0xee/0x170 [ 3705.198374][ T1076] __sys_sendmsg+0xcd/0x170 [ 3705.198374][ T1076] do_syscall_64+0xc6/0x1e0 [ 3705.198374][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.198374][ T1076] [ 3705.200640][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3705.200640][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3705.200640][ T1076] ipv6_find_idev+0x102/0x170 [ 3705.200640][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3705.200640][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.200640][ T1076] netlink_rcv_skb+0x130/0x360 [ 3705.200640][ T1076] netlink_unicast+0x449/0x710 [ 3705.200640][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3705.200640][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3705.200640][ T1076] ___sys_sendmsg+0xee/0x170 [ 3705.200640][ T1076] __sys_sendmsg+0xcd/0x170 [ 3705.200640][ T1076] do_syscall_64+0xc6/0x1e0 [ 3705.200640][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.200640][ T1076] [ 3705.202371][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3705.202371][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3705.202371][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3705.202371][ T1076] ipv6_find_idev+0x102/0x170 [ 3705.202371][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3705.202371][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.202371][ T1076] netlink_rcv_skb+0x130/0x360 [ 3705.202371][ T1076] netlink_unicast+0x449/0x710 [ 3705.202371][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3705.202371][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3705.202371][ T1076] ___sys_sendmsg+0xee/0x170 [ 3705.202371][ T1076] __sys_sendmsg+0xcd/0x170 [ 3705.202371][ T1076] do_syscall_64+0xc6/0x1e0 [ 3705.202371][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.202371][ T1076] [ 3715.445687][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3715.446154][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3715.446154][ T1076] netdev_get_by_index+0x5e/0x80 [ 3715.446154][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3715.446154][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3715.446154][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3715.446154][ T1076] ipv6_add_addr+0x411/0x2000 [ 3715.446154][ T1076] inet6_addr_add+0x30e/0xa40 [ 3715.446154][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3715.446154][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.446154][ T1076] netlink_rcv_skb+0x130/0x360 [ 3715.446154][ T1076] netlink_unicast+0x449/0x710 [ 3715.446154][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3715.446154][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3715.446154][ T1076] ___sys_sendmsg+0xee/0x170 [ 3715.446154][ T1076] __sys_sendmsg+0xcd/0x170 [ 3715.446154][ T1076] do_syscall_64+0xc6/0x1e0 [ 3715.446154][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.446154][ T1076] [ 3715.448417][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3715.448417][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3715.448417][ T1076] ipv6_find_idev+0x102/0x170 [ 3715.448417][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3715.448417][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.448417][ T1076] netlink_rcv_skb+0x130/0x360 [ 3715.448417][ T1076] netlink_unicast+0x449/0x710 [ 3715.448417][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3715.448417][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3715.448417][ T1076] ___sys_sendmsg+0xee/0x170 [ 3715.448417][ T1076] __sys_sendmsg+0xcd/0x170 [ 3715.448417][ T1076] do_syscall_64+0xc6/0x1e0 [ 3715.448417][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.448417][ T1076] [ 3715.450149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3715.450149][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3715.450149][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3715.450149][ T1076] ipv6_find_idev+0x102/0x170 [ 3715.450149][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3715.450149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.450149][ T1076] netlink_rcv_skb+0x130/0x360 [ 3715.450149][ T1076] netlink_unicast+0x449/0x710 [ 3715.450149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3715.450149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3715.450149][ T1076] ___sys_sendmsg+0xee/0x170 [ 3715.450149][ T1076] __sys_sendmsg+0xcd/0x170 [ 3715.450149][ T1076] do_syscall_64+0xc6/0x1e0 [ 3715.450149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.450149][ T1076] [ 3725.693717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3725.694243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3725.694243][ T1076] netdev_get_by_index+0x5e/0x80 [ 3725.694243][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3725.694243][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3725.694243][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3725.694243][ T1076] ipv6_add_addr+0x411/0x2000 [ 3725.694243][ T1076] inet6_addr_add+0x30e/0xa40 [ 3725.694243][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3725.694243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.694243][ T1076] netlink_rcv_skb+0x130/0x360 [ 3725.694243][ T1076] netlink_unicast+0x449/0x710 [ 3725.694243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3725.694243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3725.694243][ T1076] ___sys_sendmsg+0xee/0x170 [ 3725.694243][ T1076] __sys_sendmsg+0xcd/0x170 [ 3725.694243][ T1076] do_syscall_64+0xc6/0x1e0 [ 3725.694243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.694243][ T1076] [ 3725.696509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3725.696509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3725.696509][ T1076] ipv6_find_idev+0x102/0x170 [ 3725.696509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3725.696509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.696509][ T1076] netlink_rcv_skb+0x130/0x360 [ 3725.696509][ T1076] netlink_unicast+0x449/0x710 [ 3725.696509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3725.696509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3725.696509][ T1076] ___sys_sendmsg+0xee/0x170 [ 3725.696509][ T1076] __sys_sendmsg+0xcd/0x170 [ 3725.696509][ T1076] do_syscall_64+0xc6/0x1e0 [ 3725.696509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.696509][ T1076] [ 3725.698244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3725.698244][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3725.698244][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3725.698244][ T1076] ipv6_find_idev+0x102/0x170 [ 3725.698244][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3725.698244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.698244][ T1076] netlink_rcv_skb+0x130/0x360 [ 3725.698244][ T1076] netlink_unicast+0x449/0x710 [ 3725.698244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3725.698244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3725.698244][ T1076] ___sys_sendmsg+0xee/0x170 [ 3725.698244][ T1076] __sys_sendmsg+0xcd/0x170 [ 3725.698244][ T1076] do_syscall_64+0xc6/0x1e0 [ 3725.698244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.698244][ T1076] [ 3736.333850][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3736.334381][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3736.334381][ T1076] netdev_get_by_index+0x5e/0x80 [ 3736.334381][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3736.334381][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3736.334381][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3736.334381][ T1076] ipv6_add_addr+0x411/0x2000 [ 3736.334381][ T1076] inet6_addr_add+0x30e/0xa40 [ 3736.334381][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3736.334381][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3736.334381][ T1076] netlink_rcv_skb+0x130/0x360 [ 3736.334381][ T1076] netlink_unicast+0x449/0x710 [ 3736.334381][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3736.334381][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3736.334381][ T1076] ___sys_sendmsg+0xee/0x170 [ 3736.334381][ T1076] __sys_sendmsg+0xcd/0x170 [ 3736.334381][ T1076] do_syscall_64+0xc6/0x1e0 [ 3736.334381][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3736.334381][ T1076] [ 3736.336703][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3736.336703][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3736.336703][ T1076] ipv6_find_idev+0x102/0x170 [ 3736.336703][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3736.336703][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3736.336703][ T1076] netlink_rcv_skb+0x130/0x360 [ 3736.336703][ T1076] netlink_unicast+0x449/0x710 [ 3736.336703][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3736.336703][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3736.336703][ T1076] ___sys_sendmsg+0xee/0x170 [ 3736.336703][ T1076] __sys_sendmsg+0xcd/0x170 [ 3736.336703][ T1076] do_syscall_64+0xc6/0x1e0 [ 3736.336703][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3736.336703][ T1076] [ 3736.338469][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3736.338469][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3736.338469][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3736.338469][ T1076] ipv6_find_idev+0x102/0x170 [ 3736.338469][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3736.338469][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3736.338469][ T1076] netlink_rcv_skb+0x130/0x360 [ 3736.338469][ T1076] netlink_unicast+0x449/0x710 [ 3736.338469][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3736.338469][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3736.338469][ T1076] ___sys_sendmsg+0xee/0x170 [ 3736.338469][ T1076] __sys_sendmsg+0xcd/0x170 [ 3736.338469][ T1076] do_syscall_64+0xc6/0x1e0 [ 3736.338469][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3736.338469][ T1076] [ 3746.589746][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3746.590267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3746.590267][ T1076] netdev_get_by_index+0x5e/0x80 [ 3746.590267][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3746.590267][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3746.590267][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3746.590267][ T1076] ipv6_add_addr+0x411/0x2000 [ 3746.590267][ T1076] inet6_addr_add+0x30e/0xa40 [ 3746.590267][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3746.590267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3746.590267][ T1076] netlink_rcv_skb+0x130/0x360 [ 3746.590267][ T1076] netlink_unicast+0x449/0x710 [ 3746.590267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3746.590267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3746.590267][ T1076] ___sys_sendmsg+0xee/0x170 [ 3746.590267][ T1076] __sys_sendmsg+0xcd/0x170 [ 3746.590267][ T1076] do_syscall_64+0xc6/0x1e0 [ 3746.590267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3746.590267][ T1076] [ 3746.592532][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3746.592532][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3746.592532][ T1076] ipv6_find_idev+0x102/0x170 [ 3746.592532][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3746.592532][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3746.592532][ T1076] netlink_rcv_skb+0x130/0x360 [ 3746.592532][ T1076] netlink_unicast+0x449/0x710 [ 3746.592532][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3746.592532][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3746.592532][ T1076] ___sys_sendmsg+0xee/0x170 [ 3746.592532][ T1076] __sys_sendmsg+0xcd/0x170 [ 3746.592532][ T1076] do_syscall_64+0xc6/0x1e0 [ 3746.592532][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3746.592532][ T1076] [ 3746.594267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3746.594267][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3746.594267][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3746.594267][ T1076] ipv6_find_idev+0x102/0x170 [ 3746.594267][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3746.594267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3746.594267][ T1076] netlink_rcv_skb+0x130/0x360 [ 3746.594267][ T1076] netlink_unicast+0x449/0x710 [ 3746.594267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3746.594267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3746.594267][ T1076] ___sys_sendmsg+0xee/0x170 [ 3746.594267][ T1076] __sys_sendmsg+0xcd/0x170 [ 3746.594267][ T1076] do_syscall_64+0xc6/0x1e0 [ 3746.594267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3746.594267][ T1076] [ 3756.845653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3756.846169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3756.846169][ T1076] netdev_get_by_index+0x5e/0x80 [ 3756.846169][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3756.846169][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3756.846169][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3756.846169][ T1076] ipv6_add_addr+0x411/0x2000 [ 3756.846169][ T1076] inet6_addr_add+0x30e/0xa40 [ 3756.846169][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3756.846169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.846169][ T1076] netlink_rcv_skb+0x130/0x360 [ 3756.846169][ T1076] netlink_unicast+0x449/0x710 [ 3756.846169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3756.846169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3756.846169][ T1076] ___sys_sendmsg+0xee/0x170 [ 3756.846169][ T1076] __sys_sendmsg+0xcd/0x170 [ 3756.846169][ T1076] do_syscall_64+0xc6/0x1e0 [ 3756.846169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.846169][ T1076] [ 3756.848433][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3756.848433][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3756.848433][ T1076] ipv6_find_idev+0x102/0x170 [ 3756.848433][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3756.848433][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.848433][ T1076] netlink_rcv_skb+0x130/0x360 [ 3756.848433][ T1076] netlink_unicast+0x449/0x710 [ 3756.848433][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3756.848433][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3756.848433][ T1076] ___sys_sendmsg+0xee/0x170 [ 3756.848433][ T1076] __sys_sendmsg+0xcd/0x170 [ 3756.848433][ T1076] do_syscall_64+0xc6/0x1e0 [ 3756.848433][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.848433][ T1076] [ 3756.850164][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3756.850164][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3756.850164][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3756.850164][ T1076] ipv6_find_idev+0x102/0x170 [ 3756.850164][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3756.850164][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.850164][ T1076] netlink_rcv_skb+0x130/0x360 [ 3756.850164][ T1076] netlink_unicast+0x449/0x710 [ 3756.850164][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3756.850164][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3756.850164][ T1076] ___sys_sendmsg+0xee/0x170 [ 3756.850164][ T1076] __sys_sendmsg+0xcd/0x170 [ 3756.850164][ T1076] do_syscall_64+0xc6/0x1e0 [ 3756.850164][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.850164][ T1076] [ 3767.101711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3767.102214][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3767.102214][ T1076] netdev_get_by_index+0x5e/0x80 [ 3767.102214][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3767.102214][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3767.102214][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3767.102214][ T1076] ipv6_add_addr+0x411/0x2000 [ 3767.102214][ T1076] inet6_addr_add+0x30e/0xa40 [ 3767.102214][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3767.102214][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3767.102214][ T1076] netlink_rcv_skb+0x130/0x360 [ 3767.102214][ T1076] netlink_unicast+0x449/0x710 [ 3767.102214][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3767.102214][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3767.102214][ T1076] ___sys_sendmsg+0xee/0x170 [ 3767.102214][ T1076] __sys_sendmsg+0xcd/0x170 [ 3767.102214][ T1076] do_syscall_64+0xc6/0x1e0 [ 3767.102214][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3767.102214][ T1076] [ 3767.104881][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3767.104881][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3767.104881][ T1076] ipv6_find_idev+0x102/0x170 [ 3767.104881][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3767.104881][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3767.104881][ T1076] netlink_rcv_skb+0x130/0x360 [ 3767.104881][ T1076] netlink_unicast+0x449/0x710 [ 3767.104881][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3767.104881][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3767.104881][ T1076] ___sys_sendmsg+0xee/0x170 [ 3767.104881][ T1076] __sys_sendmsg+0xcd/0x170 [ 3767.104881][ T1076] do_syscall_64+0xc6/0x1e0 [ 3767.104881][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3767.104881][ T1076] [ 3767.106617][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3767.106617][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3767.106617][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3767.106617][ T1076] ipv6_find_idev+0x102/0x170 [ 3767.106617][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3767.106617][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3767.106617][ T1076] netlink_rcv_skb+0x130/0x360 [ 3767.106617][ T1076] netlink_unicast+0x449/0x710 [ 3767.106617][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3767.106617][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3767.106617][ T1076] ___sys_sendmsg+0xee/0x170 [ 3767.106617][ T1076] __sys_sendmsg+0xcd/0x170 [ 3767.106617][ T1076] do_syscall_64+0xc6/0x1e0 [ 3767.106617][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3767.106617][ T1076] [ 3777.357720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3777.358279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3777.358279][ T1076] netdev_get_by_index+0x5e/0x80 [ 3777.358279][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3777.358279][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3777.358279][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3777.358279][ T1076] ipv6_add_addr+0x411/0x2000 [ 3777.358279][ T1076] inet6_addr_add+0x30e/0xa40 [ 3777.358279][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3777.358279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3777.358279][ T1076] netlink_rcv_skb+0x130/0x360 [ 3777.358279][ T1076] netlink_unicast+0x449/0x710 [ 3777.358279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3777.358279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3777.358279][ T1076] ___sys_sendmsg+0xee/0x170 [ 3777.358279][ T1076] __sys_sendmsg+0xcd/0x170 [ 3777.358279][ T1076] do_syscall_64+0xc6/0x1e0 [ 3777.358279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3777.358279][ T1076] [ 3777.360587][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3777.360587][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3777.360587][ T1076] ipv6_find_idev+0x102/0x170 [ 3777.360587][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3777.360587][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3777.360587][ T1076] netlink_rcv_skb+0x130/0x360 [ 3777.360587][ T1076] netlink_unicast+0x449/0x710 [ 3777.360587][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3777.360587][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3777.360587][ T1076] ___sys_sendmsg+0xee/0x170 [ 3777.360587][ T1076] __sys_sendmsg+0xcd/0x170 [ 3777.360587][ T1076] do_syscall_64+0xc6/0x1e0 [ 3777.360587][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3777.360587][ T1076] [ 3777.362314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3777.362314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3777.362314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3777.362314][ T1076] ipv6_find_idev+0x102/0x170 [ 3777.362314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3777.362314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3777.362314][ T1076] netlink_rcv_skb+0x130/0x360 [ 3777.362314][ T1076] netlink_unicast+0x449/0x710 [ 3777.362314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3777.362314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3777.362314][ T1076] ___sys_sendmsg+0xee/0x170 [ 3777.362314][ T1076] __sys_sendmsg+0xcd/0x170 [ 3777.362314][ T1076] do_syscall_64+0xc6/0x1e0 [ 3777.362314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3777.362314][ T1076] [ 3787.613751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3787.614315][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3787.614315][ T1076] netdev_get_by_index+0x5e/0x80 [ 3787.614315][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3787.614315][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3787.614315][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3787.614315][ T1076] ipv6_add_addr+0x411/0x2000 [ 3787.614315][ T1076] inet6_addr_add+0x30e/0xa40 [ 3787.614315][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3787.614315][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3787.614315][ T1076] netlink_rcv_skb+0x130/0x360 [ 3787.614315][ T1076] netlink_unicast+0x449/0x710 [ 3787.614315][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3787.614315][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3787.614315][ T1076] ___sys_sendmsg+0xee/0x170 [ 3787.614315][ T1076] __sys_sendmsg+0xcd/0x170 [ 3787.614315][ T1076] do_syscall_64+0xc6/0x1e0 [ 3787.614315][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3787.614315][ T1076] [ 3787.616592][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3787.616592][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3787.616592][ T1076] ipv6_find_idev+0x102/0x170 [ 3787.616592][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3787.616592][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3787.616592][ T1076] netlink_rcv_skb+0x130/0x360 [ 3787.616592][ T1076] netlink_unicast+0x449/0x710 [ 3787.616592][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3787.616592][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3787.616592][ T1076] ___sys_sendmsg+0xee/0x170 [ 3787.616592][ T1076] __sys_sendmsg+0xcd/0x170 [ 3787.616592][ T1076] do_syscall_64+0xc6/0x1e0 [ 3787.616592][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3787.616592][ T1076] [ 3787.618320][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3787.618320][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3787.618320][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3787.618320][ T1076] ipv6_find_idev+0x102/0x170 [ 3787.618320][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3787.618320][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3787.618320][ T1076] netlink_rcv_skb+0x130/0x360 [ 3787.618320][ T1076] netlink_unicast+0x449/0x710 [ 3787.618320][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3787.618320][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3787.618320][ T1076] ___sys_sendmsg+0xee/0x170 [ 3787.618320][ T1076] __sys_sendmsg+0xcd/0x170 [ 3787.618320][ T1076] do_syscall_64+0xc6/0x1e0 [ 3787.618320][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3787.618320][ T1076] [ 3797.869657][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3797.870171][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3797.870171][ T1076] netdev_get_by_index+0x5e/0x80 [ 3797.870171][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3797.870171][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3797.870171][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3797.870171][ T1076] ipv6_add_addr+0x411/0x2000 [ 3797.870171][ T1076] inet6_addr_add+0x30e/0xa40 [ 3797.870171][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3797.870171][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.870171][ T1076] netlink_rcv_skb+0x130/0x360 [ 3797.870171][ T1076] netlink_unicast+0x449/0x710 [ 3797.870171][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3797.870171][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3797.870171][ T1076] ___sys_sendmsg+0xee/0x170 [ 3797.870171][ T1076] __sys_sendmsg+0xcd/0x170 [ 3797.870171][ T1076] do_syscall_64+0xc6/0x1e0 [ 3797.870171][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.870171][ T1076] [ 3797.872441][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3797.872441][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3797.872441][ T1076] ipv6_find_idev+0x102/0x170 [ 3797.872441][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3797.872441][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.872441][ T1076] netlink_rcv_skb+0x130/0x360 [ 3797.872441][ T1076] netlink_unicast+0x449/0x710 [ 3797.872441][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3797.872441][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3797.872441][ T1076] ___sys_sendmsg+0xee/0x170 [ 3797.872441][ T1076] __sys_sendmsg+0xcd/0x170 [ 3797.872441][ T1076] do_syscall_64+0xc6/0x1e0 [ 3797.872441][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.872441][ T1076] [ 3797.874188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3797.874188][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3797.874188][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3797.874188][ T1076] ipv6_find_idev+0x102/0x170 [ 3797.874188][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3797.874188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.874188][ T1076] netlink_rcv_skb+0x130/0x360 [ 3797.874188][ T1076] netlink_unicast+0x449/0x710 [ 3797.874188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3797.874188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3797.874188][ T1076] ___sys_sendmsg+0xee/0x170 [ 3797.874188][ T1076] __sys_sendmsg+0xcd/0x170 [ 3797.874188][ T1076] do_syscall_64+0xc6/0x1e0 [ 3797.874188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.874188][ T1076] [ 3808.093747][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3808.094210][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3808.094210][ T1076] netdev_get_by_index+0x5e/0x80 [ 3808.094210][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3808.094210][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3808.094210][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3808.094210][ T1076] ipv6_add_addr+0x411/0x2000 [ 3808.094210][ T1076] inet6_addr_add+0x30e/0xa40 [ 3808.094210][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3808.094210][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3808.094210][ T1076] netlink_rcv_skb+0x130/0x360 [ 3808.094210][ T1076] netlink_unicast+0x449/0x710 [ 3808.094210][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3808.094210][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3808.094210][ T1076] ___sys_sendmsg+0xee/0x170 [ 3808.094210][ T1076] __sys_sendmsg+0xcd/0x170 [ 3808.094210][ T1076] do_syscall_64+0xc6/0x1e0 [ 3808.094210][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3808.094210][ T1076] [ 3808.096588][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3808.096588][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3808.096588][ T1076] ipv6_find_idev+0x102/0x170 [ 3808.096588][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3808.096588][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3808.096588][ T1076] netlink_rcv_skb+0x130/0x360 [ 3808.096588][ T1076] netlink_unicast+0x449/0x710 [ 3808.096588][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3808.096588][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3808.096588][ T1076] ___sys_sendmsg+0xee/0x170 [ 3808.096588][ T1076] __sys_sendmsg+0xcd/0x170 [ 3808.096588][ T1076] do_syscall_64+0xc6/0x1e0 [ 3808.096588][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3808.096588][ T1076] [ 3808.098456][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3808.098456][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3808.098456][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3808.098456][ T1076] ipv6_find_idev+0x102/0x170 [ 3808.098456][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3808.098456][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3808.098456][ T1076] netlink_rcv_skb+0x130/0x360 [ 3808.098456][ T1076] netlink_unicast+0x449/0x710 [ 3808.098456][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3808.098456][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3808.098456][ T1076] ___sys_sendmsg+0xee/0x170 [ 3808.098456][ T1076] __sys_sendmsg+0xcd/0x170 [ 3808.098456][ T1076] do_syscall_64+0xc6/0x1e0 [ 3808.098456][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3808.098456][ T1076] [ 3818.237749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3818.238323][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3818.238323][ T1076] netdev_get_by_index+0x5e/0x80 [ 3818.238323][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3818.238323][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3818.238323][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3818.238323][ T1076] ipv6_add_addr+0x411/0x2000 [ 3818.238323][ T1076] inet6_addr_add+0x30e/0xa40 [ 3818.238323][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3818.238323][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3818.238323][ T1076] netlink_rcv_skb+0x130/0x360 [ 3818.238323][ T1076] netlink_unicast+0x449/0x710 [ 3818.238323][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3818.238323][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3818.238323][ T1076] ___sys_sendmsg+0xee/0x170 [ 3818.238323][ T1076] __sys_sendmsg+0xcd/0x170 [ 3818.238323][ T1076] do_syscall_64+0xc6/0x1e0 [ 3818.238323][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3818.238323][ T1076] [ 3818.240706][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3818.240706][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3818.240706][ T1076] ipv6_find_idev+0x102/0x170 [ 3818.240706][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3818.240706][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3818.240706][ T1076] netlink_rcv_skb+0x130/0x360 [ 3818.240706][ T1076] netlink_unicast+0x449/0x710 [ 3818.240706][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3818.240706][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3818.240706][ T1076] ___sys_sendmsg+0xee/0x170 [ 3818.240706][ T1076] __sys_sendmsg+0xcd/0x170 [ 3818.240706][ T1076] do_syscall_64+0xc6/0x1e0 [ 3818.240706][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3818.240706][ T1076] [ 3818.242525][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3818.242525][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3818.242525][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3818.242525][ T1076] ipv6_find_idev+0x102/0x170 [ 3818.242525][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3818.242525][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3818.242525][ T1076] netlink_rcv_skb+0x130/0x360 [ 3818.242525][ T1076] netlink_unicast+0x449/0x710 [ 3818.242525][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3818.242525][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3818.242525][ T1076] ___sys_sendmsg+0xee/0x170 [ 3818.242525][ T1076] __sys_sendmsg+0xcd/0x170 [ 3818.242525][ T1076] do_syscall_64+0xc6/0x1e0 [ 3818.242525][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3818.242525][ T1076] [ 3828.493662][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3828.494219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3828.494219][ T1076] netdev_get_by_index+0x5e/0x80 [ 3828.494219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3828.494219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3828.494219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3828.494219][ T1076] ipv6_add_addr+0x411/0x2000 [ 3828.494219][ T1076] inet6_addr_add+0x30e/0xa40 [ 3828.494219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3828.494219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3828.494219][ T1076] netlink_rcv_skb+0x130/0x360 [ 3828.494219][ T1076] netlink_unicast+0x449/0x710 [ 3828.494219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3828.494219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3828.494219][ T1076] ___sys_sendmsg+0xee/0x170 [ 3828.494219][ T1076] __sys_sendmsg+0xcd/0x170 [ 3828.494219][ T1076] do_syscall_64+0xc6/0x1e0 [ 3828.494219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3828.494219][ T1076] [ 3828.496607][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3828.496607][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3828.496607][ T1076] ipv6_find_idev+0x102/0x170 [ 3828.496607][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3828.496607][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3828.496607][ T1076] netlink_rcv_skb+0x130/0x360 [ 3828.496607][ T1076] netlink_unicast+0x449/0x710 [ 3828.496607][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3828.496607][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3828.496607][ T1076] ___sys_sendmsg+0xee/0x170 [ 3828.496607][ T1076] __sys_sendmsg+0xcd/0x170 [ 3828.496607][ T1076] do_syscall_64+0xc6/0x1e0 [ 3828.496607][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3828.496607][ T1076] [ 3828.498512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3828.498512][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3828.498512][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3828.498512][ T1076] ipv6_find_idev+0x102/0x170 [ 3828.498512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3828.498512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3828.498512][ T1076] netlink_rcv_skb+0x130/0x360 [ 3828.498512][ T1076] netlink_unicast+0x449/0x710 [ 3828.498512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3828.498512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3828.498512][ T1076] ___sys_sendmsg+0xee/0x170 [ 3828.498512][ T1076] __sys_sendmsg+0xcd/0x170 [ 3828.498512][ T1076] do_syscall_64+0xc6/0x1e0 [ 3828.498512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3828.498512][ T1076] [ 3838.749728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3838.750294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3838.750294][ T1076] netdev_get_by_index+0x5e/0x80 [ 3838.750294][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3838.750294][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3838.750294][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3838.750294][ T1076] ipv6_add_addr+0x411/0x2000 [ 3838.750294][ T1076] inet6_addr_add+0x30e/0xa40 [ 3838.750294][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3838.750294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3838.750294][ T1076] netlink_rcv_skb+0x130/0x360 [ 3838.750294][ T1076] netlink_unicast+0x449/0x710 [ 3838.750294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3838.750294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3838.750294][ T1076] ___sys_sendmsg+0xee/0x170 [ 3838.750294][ T1076] __sys_sendmsg+0xcd/0x170 [ 3838.750294][ T1076] do_syscall_64+0xc6/0x1e0 [ 3838.750294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3838.750294][ T1076] [ 3838.752583][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3838.752583][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3838.752583][ T1076] ipv6_find_idev+0x102/0x170 [ 3838.752583][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3838.752583][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3838.752583][ T1076] netlink_rcv_skb+0x130/0x360 [ 3838.752583][ T1076] netlink_unicast+0x449/0x710 [ 3838.752583][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3838.752583][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3838.752583][ T1076] ___sys_sendmsg+0xee/0x170 [ 3838.752583][ T1076] __sys_sendmsg+0xcd/0x170 [ 3838.752583][ T1076] do_syscall_64+0xc6/0x1e0 [ 3838.752583][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3838.752583][ T1076] [ 3838.754339][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3838.754339][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3838.754339][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3838.754339][ T1076] ipv6_find_idev+0x102/0x170 [ 3838.754339][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3838.754339][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3838.754339][ T1076] netlink_rcv_skb+0x130/0x360 [ 3838.754339][ T1076] netlink_unicast+0x449/0x710 [ 3838.754339][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3838.754339][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3838.754339][ T1076] ___sys_sendmsg+0xee/0x170 [ 3838.754339][ T1076] __sys_sendmsg+0xcd/0x170 [ 3838.754339][ T1076] do_syscall_64+0xc6/0x1e0 [ 3838.754339][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3838.754339][ T1076] [ 3849.005667][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3849.006224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3849.006224][ T1076] netdev_get_by_index+0x5e/0x80 [ 3849.006224][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3849.006224][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3849.006224][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3849.006224][ T1076] ipv6_add_addr+0x411/0x2000 [ 3849.006224][ T1076] inet6_addr_add+0x30e/0xa40 [ 3849.006224][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3849.006224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3849.006224][ T1076] netlink_rcv_skb+0x130/0x360 [ 3849.006224][ T1076] netlink_unicast+0x449/0x710 [ 3849.006224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3849.006224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3849.006224][ T1076] ___sys_sendmsg+0xee/0x170 [ 3849.006224][ T1076] __sys_sendmsg+0xcd/0x170 [ 3849.006224][ T1076] do_syscall_64+0xc6/0x1e0 [ 3849.006224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3849.006224][ T1076] [ 3849.008676][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3849.008676][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3849.008676][ T1076] ipv6_find_idev+0x102/0x170 [ 3849.008676][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3849.008676][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3849.008676][ T1076] netlink_rcv_skb+0x130/0x360 [ 3849.008676][ T1076] netlink_unicast+0x449/0x710 [ 3849.008676][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3849.008676][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3849.008676][ T1076] ___sys_sendmsg+0xee/0x170 [ 3849.008676][ T1076] __sys_sendmsg+0xcd/0x170 [ 3849.008676][ T1076] do_syscall_64+0xc6/0x1e0 [ 3849.008676][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3849.008676][ T1076] [ 3849.010498][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3849.010498][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3849.010498][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3849.010498][ T1076] ipv6_find_idev+0x102/0x170 [ 3849.010498][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3849.010498][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3849.010498][ T1076] netlink_rcv_skb+0x130/0x360 [ 3849.010498][ T1076] netlink_unicast+0x449/0x710 [ 3849.010498][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3849.010498][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3849.010498][ T1076] ___sys_sendmsg+0xee/0x170 [ 3849.010498][ T1076] __sys_sendmsg+0xcd/0x170 [ 3849.010498][ T1076] do_syscall_64+0xc6/0x1e0 [ 3849.010498][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3849.010498][ T1076] [ 3859.189688][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3859.190238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3859.190238][ T1076] netdev_get_by_index+0x5e/0x80 [ 3859.190238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3859.190238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3859.190238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3859.190238][ T1076] ipv6_add_addr+0x411/0x2000 [ 3859.190238][ T1076] inet6_addr_add+0x30e/0xa40 [ 3859.190238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3859.190238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3859.190238][ T1076] netlink_rcv_skb+0x130/0x360 [ 3859.190238][ T1076] netlink_unicast+0x449/0x710 [ 3859.190238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3859.190238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3859.190238][ T1076] ___sys_sendmsg+0xee/0x170 [ 3859.190238][ T1076] __sys_sendmsg+0xcd/0x170 [ 3859.190238][ T1076] do_syscall_64+0xc6/0x1e0 [ 3859.190238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3859.190238][ T1076] [ 3859.192795][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3859.192795][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3859.192795][ T1076] ipv6_find_idev+0x102/0x170 [ 3859.192795][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3859.192795][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3859.192795][ T1076] netlink_rcv_skb+0x130/0x360 [ 3859.192795][ T1076] netlink_unicast+0x449/0x710 [ 3859.192795][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3859.192795][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3859.192795][ T1076] ___sys_sendmsg+0xee/0x170 [ 3859.192795][ T1076] __sys_sendmsg+0xcd/0x170 [ 3859.192795][ T1076] do_syscall_64+0xc6/0x1e0 [ 3859.192795][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3859.192795][ T1076] [ 3859.195422][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3859.195422][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3859.195422][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3859.195422][ T1076] ipv6_find_idev+0x102/0x170 [ 3859.195422][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3859.195422][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3859.195422][ T1076] netlink_rcv_skb+0x130/0x360 [ 3859.195422][ T1076] netlink_unicast+0x449/0x710 [ 3859.195422][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3859.195422][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3859.195422][ T1076] ___sys_sendmsg+0xee/0x170 [ 3859.195422][ T1076] __sys_sendmsg+0xcd/0x170 [ 3859.195422][ T1076] do_syscall_64+0xc6/0x1e0 [ 3859.195422][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3859.195422][ T1076] [ 3869.437674][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3869.438226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3869.438226][ T1076] netdev_get_by_index+0x5e/0x80 [ 3869.438226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3869.438226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3869.438226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3869.438226][ T1076] ipv6_add_addr+0x411/0x2000 [ 3869.438226][ T1076] inet6_addr_add+0x30e/0xa40 [ 3869.438226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3869.438226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3869.438226][ T1076] netlink_rcv_skb+0x130/0x360 [ 3869.438226][ T1076] netlink_unicast+0x449/0x710 [ 3869.438226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3869.438226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3869.438226][ T1076] ___sys_sendmsg+0xee/0x170 [ 3869.438226][ T1076] __sys_sendmsg+0xcd/0x170 [ 3869.438226][ T1076] do_syscall_64+0xc6/0x1e0 [ 3869.438226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3869.438226][ T1076] [ 3869.440577][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3869.440577][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3869.440577][ T1076] ipv6_find_idev+0x102/0x170 [ 3869.440577][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3869.440577][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3869.440577][ T1076] netlink_rcv_skb+0x130/0x360 [ 3869.440577][ T1076] netlink_unicast+0x449/0x710 [ 3869.440577][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3869.440577][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3869.440577][ T1076] ___sys_sendmsg+0xee/0x170 [ 3869.440577][ T1076] __sys_sendmsg+0xcd/0x170 [ 3869.440577][ T1076] do_syscall_64+0xc6/0x1e0 [ 3869.440577][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3869.440577][ T1076] [ 3869.442345][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3869.442345][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3869.442345][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3869.442345][ T1076] ipv6_find_idev+0x102/0x170 [ 3869.442345][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3869.442345][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3869.442345][ T1076] netlink_rcv_skb+0x130/0x360 [ 3869.442345][ T1076] netlink_unicast+0x449/0x710 [ 3869.442345][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3869.442345][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3869.442345][ T1076] ___sys_sendmsg+0xee/0x170 [ 3869.442345][ T1076] __sys_sendmsg+0xcd/0x170 [ 3869.442345][ T1076] do_syscall_64+0xc6/0x1e0 [ 3869.442345][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3869.442345][ T1076] [ 3879.605764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3879.606323][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3879.606323][ T1076] netdev_get_by_index+0x5e/0x80 [ 3879.606323][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3879.606323][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3879.606323][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3879.606323][ T1076] ipv6_add_addr+0x411/0x2000 [ 3879.606323][ T1076] inet6_addr_add+0x30e/0xa40 [ 3879.606323][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3879.606323][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3879.606323][ T1076] netlink_rcv_skb+0x130/0x360 [ 3879.606323][ T1076] netlink_unicast+0x449/0x710 [ 3879.606323][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3879.606323][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3879.606323][ T1076] ___sys_sendmsg+0xee/0x170 [ 3879.606323][ T1076] __sys_sendmsg+0xcd/0x170 [ 3879.606323][ T1076] do_syscall_64+0xc6/0x1e0 [ 3879.606323][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3879.606323][ T1076] [ 3879.608621][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3879.608621][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3879.608621][ T1076] ipv6_find_idev+0x102/0x170 [ 3879.608621][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3879.608621][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3879.608621][ T1076] netlink_rcv_skb+0x130/0x360 [ 3879.608621][ T1076] netlink_unicast+0x449/0x710 [ 3879.608621][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3879.608621][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3879.608621][ T1076] ___sys_sendmsg+0xee/0x170 [ 3879.608621][ T1076] __sys_sendmsg+0xcd/0x170 [ 3879.608621][ T1076] do_syscall_64+0xc6/0x1e0 [ 3879.608621][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3879.608621][ T1076] [ 3879.610902][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3879.610902][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3879.610902][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3879.610902][ T1076] ipv6_find_idev+0x102/0x170 [ 3879.610902][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3879.610902][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3879.610902][ T1076] netlink_rcv_skb+0x130/0x360 [ 3879.610902][ T1076] netlink_unicast+0x449/0x710 [ 3879.610902][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3879.610902][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3879.610902][ T1076] ___sys_sendmsg+0xee/0x170 [ 3879.610902][ T1076] __sys_sendmsg+0xcd/0x170 [ 3879.610902][ T1076] do_syscall_64+0xc6/0x1e0 [ 3879.610902][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3879.610902][ T1076] [ 3889.661669][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3889.662197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3889.662197][ T1076] netdev_get_by_index+0x5e/0x80 [ 3889.662197][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3889.662197][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3889.662197][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3889.662197][ T1076] ipv6_add_addr+0x411/0x2000 [ 3889.662197][ T1076] inet6_addr_add+0x30e/0xa40 [ 3889.662197][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3889.662197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3889.662197][ T1076] netlink_rcv_skb+0x130/0x360 [ 3889.662197][ T1076] netlink_unicast+0x449/0x710 [ 3889.662197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3889.662197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3889.662197][ T1076] ___sys_sendmsg+0xee/0x170 [ 3889.662197][ T1076] __sys_sendmsg+0xcd/0x170 [ 3889.662197][ T1076] do_syscall_64+0xc6/0x1e0 [ 3889.662197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3889.662197][ T1076] [ 3889.664461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3889.664461][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3889.664461][ T1076] ipv6_find_idev+0x102/0x170 [ 3889.664461][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3889.664461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3889.664461][ T1076] netlink_rcv_skb+0x130/0x360 [ 3889.664461][ T1076] netlink_unicast+0x449/0x710 [ 3889.664461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3889.664461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3889.664461][ T1076] ___sys_sendmsg+0xee/0x170 [ 3889.664461][ T1076] __sys_sendmsg+0xcd/0x170 [ 3889.664461][ T1076] do_syscall_64+0xc6/0x1e0 [ 3889.664461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3889.664461][ T1076] [ 3889.666213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3889.666213][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3889.666213][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3889.666213][ T1076] ipv6_find_idev+0x102/0x170 [ 3889.666213][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3889.666213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3889.666213][ T1076] netlink_rcv_skb+0x130/0x360 [ 3889.666213][ T1076] netlink_unicast+0x449/0x710 [ 3889.666213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3889.666213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3889.666213][ T1076] ___sys_sendmsg+0xee/0x170 [ 3889.666213][ T1076] __sys_sendmsg+0xcd/0x170 [ 3889.666213][ T1076] do_syscall_64+0xc6/0x1e0 [ 3889.666213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3889.666213][ T1076] [ 3899.917751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3899.918271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3899.918271][ T1076] netdev_get_by_index+0x5e/0x80 [ 3899.918271][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3899.918271][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3899.918271][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3899.918271][ T1076] ipv6_add_addr+0x411/0x2000 [ 3899.918271][ T1076] inet6_addr_add+0x30e/0xa40 [ 3899.918271][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3899.918271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3899.918271][ T1076] netlink_rcv_skb+0x130/0x360 [ 3899.918271][ T1076] netlink_unicast+0x449/0x710 [ 3899.918271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3899.918271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3899.918271][ T1076] ___sys_sendmsg+0xee/0x170 [ 3899.918271][ T1076] __sys_sendmsg+0xcd/0x170 [ 3899.918271][ T1076] do_syscall_64+0xc6/0x1e0 [ 3899.918271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3899.918271][ T1076] [ 3899.920541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3899.920541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3899.920541][ T1076] ipv6_find_idev+0x102/0x170 [ 3899.920541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3899.920541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3899.920541][ T1076] netlink_rcv_skb+0x130/0x360 [ 3899.920541][ T1076] netlink_unicast+0x449/0x710 [ 3899.920541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3899.920541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3899.920541][ T1076] ___sys_sendmsg+0xee/0x170 [ 3899.920541][ T1076] __sys_sendmsg+0xcd/0x170 [ 3899.920541][ T1076] do_syscall_64+0xc6/0x1e0 [ 3899.920541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3899.920541][ T1076] [ 3899.922267][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3899.922267][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3899.922267][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3899.922267][ T1076] ipv6_find_idev+0x102/0x170 [ 3899.922267][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3899.922267][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3899.922267][ T1076] netlink_rcv_skb+0x130/0x360 [ 3899.922267][ T1076] netlink_unicast+0x449/0x710 [ 3899.922267][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3899.922267][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3899.922267][ T1076] ___sys_sendmsg+0xee/0x170 [ 3899.922267][ T1076] __sys_sendmsg+0xcd/0x170 [ 3899.922267][ T1076] do_syscall_64+0xc6/0x1e0 [ 3899.922267][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3899.922267][ T1076] [ 3910.165666][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3910.166215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3910.166215][ T1076] netdev_get_by_index+0x5e/0x80 [ 3910.166215][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3910.166215][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3910.166215][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3910.166215][ T1076] ipv6_add_addr+0x411/0x2000 [ 3910.166215][ T1076] inet6_addr_add+0x30e/0xa40 [ 3910.166215][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3910.166215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3910.166215][ T1076] netlink_rcv_skb+0x130/0x360 [ 3910.166215][ T1076] netlink_unicast+0x449/0x710 [ 3910.166215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3910.166215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3910.166215][ T1076] ___sys_sendmsg+0xee/0x170 [ 3910.166215][ T1076] __sys_sendmsg+0xcd/0x170 [ 3910.166215][ T1076] do_syscall_64+0xc6/0x1e0 [ 3910.166215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3910.166215][ T1076] [ 3910.168485][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3910.168485][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3910.168485][ T1076] ipv6_find_idev+0x102/0x170 [ 3910.168485][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3910.168485][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3910.168485][ T1076] netlink_rcv_skb+0x130/0x360 [ 3910.168485][ T1076] netlink_unicast+0x449/0x710 [ 3910.168485][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3910.168485][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3910.168485][ T1076] ___sys_sendmsg+0xee/0x170 [ 3910.168485][ T1076] __sys_sendmsg+0xcd/0x170 [ 3910.168485][ T1076] do_syscall_64+0xc6/0x1e0 [ 3910.168485][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3910.168485][ T1076] [ 3910.170212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3910.170212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3910.170212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3910.170212][ T1076] ipv6_find_idev+0x102/0x170 [ 3910.170212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3910.170212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3910.170212][ T1076] netlink_rcv_skb+0x130/0x360 [ 3910.170212][ T1076] netlink_unicast+0x449/0x710 [ 3910.170212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3910.170212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3910.170212][ T1076] ___sys_sendmsg+0xee/0x170 [ 3910.170212][ T1076] __sys_sendmsg+0xcd/0x170 [ 3910.170212][ T1076] do_syscall_64+0xc6/0x1e0 [ 3910.170212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3910.170212][ T1076] [ 3920.373712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3920.374218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3920.374218][ T1076] netdev_get_by_index+0x5e/0x80 [ 3920.374218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3920.374218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3920.374218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3920.374218][ T1076] ipv6_add_addr+0x411/0x2000 [ 3920.374218][ T1076] inet6_addr_add+0x30e/0xa40 [ 3920.374218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3920.374218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3920.374218][ T1076] netlink_rcv_skb+0x130/0x360 [ 3920.374218][ T1076] netlink_unicast+0x449/0x710 [ 3920.374218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3920.374218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3920.374218][ T1076] ___sys_sendmsg+0xee/0x170 [ 3920.374218][ T1076] __sys_sendmsg+0xcd/0x170 [ 3920.374218][ T1076] do_syscall_64+0xc6/0x1e0 [ 3920.374218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3920.374218][ T1076] [ 3920.376507][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3920.376507][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3920.376507][ T1076] ipv6_find_idev+0x102/0x170 [ 3920.376507][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3920.376507][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3920.376507][ T1076] netlink_rcv_skb+0x130/0x360 [ 3920.376507][ T1076] netlink_unicast+0x449/0x710 [ 3920.376507][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3920.376507][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3920.376507][ T1076] ___sys_sendmsg+0xee/0x170 [ 3920.376507][ T1076] __sys_sendmsg+0xcd/0x170 [ 3920.376507][ T1076] do_syscall_64+0xc6/0x1e0 [ 3920.376507][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3920.376507][ T1076] [ 3920.378243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3920.378243][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3920.378243][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3920.378243][ T1076] ipv6_find_idev+0x102/0x170 [ 3920.378243][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3920.378243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3920.378243][ T1076] netlink_rcv_skb+0x130/0x360 [ 3920.378243][ T1076] netlink_unicast+0x449/0x710 [ 3920.378243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3920.378243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3920.378243][ T1076] ___sys_sendmsg+0xee/0x170 [ 3920.378243][ T1076] __sys_sendmsg+0xcd/0x170 [ 3920.378243][ T1076] do_syscall_64+0xc6/0x1e0 [ 3920.378243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3920.378243][ T1076] [ 3930.629742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3930.630262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3930.630262][ T1076] netdev_get_by_index+0x5e/0x80 [ 3930.630262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3930.630262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3930.630262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3930.630262][ T1076] ipv6_add_addr+0x411/0x2000 [ 3930.630262][ T1076] inet6_addr_add+0x30e/0xa40 [ 3930.630262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3930.630262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3930.630262][ T1076] netlink_rcv_skb+0x130/0x360 [ 3930.630262][ T1076] netlink_unicast+0x449/0x710 [ 3930.630262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3930.630262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3930.630262][ T1076] ___sys_sendmsg+0xee/0x170 [ 3930.630262][ T1076] __sys_sendmsg+0xcd/0x170 [ 3930.630262][ T1076] do_syscall_64+0xc6/0x1e0 [ 3930.630262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3930.630262][ T1076] [ 3930.632533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3930.632533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3930.632533][ T1076] ipv6_find_idev+0x102/0x170 [ 3930.632533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3930.632533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3930.632533][ T1076] netlink_rcv_skb+0x130/0x360 [ 3930.632533][ T1076] netlink_unicast+0x449/0x710 [ 3930.632533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3930.632533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3930.632533][ T1076] ___sys_sendmsg+0xee/0x170 [ 3930.632533][ T1076] __sys_sendmsg+0xcd/0x170 [ 3930.632533][ T1076] do_syscall_64+0xc6/0x1e0 [ 3930.632533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3930.632533][ T1076] [ 3930.634270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3930.634270][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3930.634270][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3930.634270][ T1076] ipv6_find_idev+0x102/0x170 [ 3930.634270][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3930.634270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3930.634270][ T1076] netlink_rcv_skb+0x130/0x360 [ 3930.634270][ T1076] netlink_unicast+0x449/0x710 [ 3930.634270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3930.634270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3930.634270][ T1076] ___sys_sendmsg+0xee/0x170 [ 3930.634270][ T1076] __sys_sendmsg+0xcd/0x170 [ 3930.634270][ T1076] do_syscall_64+0xc6/0x1e0 [ 3930.634270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3930.634270][ T1076] [ 3940.885655][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3940.886179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3940.886179][ T1076] netdev_get_by_index+0x5e/0x80 [ 3940.886179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3940.886179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3940.886179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3940.886179][ T1076] ipv6_add_addr+0x411/0x2000 [ 3940.886179][ T1076] inet6_addr_add+0x30e/0xa40 [ 3940.886179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3940.886179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3940.886179][ T1076] netlink_rcv_skb+0x130/0x360 [ 3940.886179][ T1076] netlink_unicast+0x449/0x710 [ 3940.886179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3940.886179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3940.886179][ T1076] ___sys_sendmsg+0xee/0x170 [ 3940.886179][ T1076] __sys_sendmsg+0xcd/0x170 [ 3940.886179][ T1076] do_syscall_64+0xc6/0x1e0 [ 3940.886179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3940.886179][ T1076] [ 3940.888454][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3940.888454][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3940.888454][ T1076] ipv6_find_idev+0x102/0x170 [ 3940.888454][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3940.888454][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3940.888454][ T1076] netlink_rcv_skb+0x130/0x360 [ 3940.888454][ T1076] netlink_unicast+0x449/0x710 [ 3940.888454][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3940.888454][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3940.888454][ T1076] ___sys_sendmsg+0xee/0x170 [ 3940.888454][ T1076] __sys_sendmsg+0xcd/0x170 [ 3940.888454][ T1076] do_syscall_64+0xc6/0x1e0 [ 3940.888454][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3940.888454][ T1076] [ 3940.890195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3940.890195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3940.890195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3940.890195][ T1076] ipv6_find_idev+0x102/0x170 [ 3940.890195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3940.890195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3940.890195][ T1076] netlink_rcv_skb+0x130/0x360 [ 3940.890195][ T1076] netlink_unicast+0x449/0x710 [ 3940.890195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3940.890195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3940.890195][ T1076] ___sys_sendmsg+0xee/0x170 [ 3940.890195][ T1076] __sys_sendmsg+0xcd/0x170 [ 3940.890195][ T1076] do_syscall_64+0xc6/0x1e0 [ 3940.890195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3940.890195][ T1076] [ 3951.141721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3951.142241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3951.142241][ T1076] netdev_get_by_index+0x5e/0x80 [ 3951.142241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3951.142241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3951.142241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3951.142241][ T1076] ipv6_add_addr+0x411/0x2000 [ 3951.142241][ T1076] inet6_addr_add+0x30e/0xa40 [ 3951.142241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3951.142241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3951.142241][ T1076] netlink_rcv_skb+0x130/0x360 [ 3951.142241][ T1076] netlink_unicast+0x449/0x710 [ 3951.142241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3951.142241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3951.142241][ T1076] ___sys_sendmsg+0xee/0x170 [ 3951.142241][ T1076] __sys_sendmsg+0xcd/0x170 [ 3951.142241][ T1076] do_syscall_64+0xc6/0x1e0 [ 3951.142241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3951.142241][ T1076] [ 3951.144520][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3951.144520][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3951.144520][ T1076] ipv6_find_idev+0x102/0x170 [ 3951.144520][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3951.144520][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3951.144520][ T1076] netlink_rcv_skb+0x130/0x360 [ 3951.144520][ T1076] netlink_unicast+0x449/0x710 [ 3951.144520][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3951.144520][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3951.144520][ T1076] ___sys_sendmsg+0xee/0x170 [ 3951.144520][ T1076] __sys_sendmsg+0xcd/0x170 [ 3951.144520][ T1076] do_syscall_64+0xc6/0x1e0 [ 3951.144520][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3951.144520][ T1076] [ 3951.146254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3951.146254][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3951.146254][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3951.146254][ T1076] ipv6_find_idev+0x102/0x170 [ 3951.146254][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3951.146254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3951.146254][ T1076] netlink_rcv_skb+0x130/0x360 [ 3951.146254][ T1076] netlink_unicast+0x449/0x710 [ 3951.146254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3951.146254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3951.146254][ T1076] ___sys_sendmsg+0xee/0x170 [ 3951.146254][ T1076] __sys_sendmsg+0xcd/0x170 [ 3951.146254][ T1076] do_syscall_64+0xc6/0x1e0 [ 3951.146254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3951.146254][ T1076] [ 3961.397664][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3961.398176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3961.398176][ T1076] netdev_get_by_index+0x5e/0x80 [ 3961.398176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3961.398176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3961.398176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3961.398176][ T1076] ipv6_add_addr+0x411/0x2000 [ 3961.398176][ T1076] inet6_addr_add+0x30e/0xa40 [ 3961.398176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3961.398176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3961.398176][ T1076] netlink_rcv_skb+0x130/0x360 [ 3961.398176][ T1076] netlink_unicast+0x449/0x710 [ 3961.398176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3961.398176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3961.398176][ T1076] ___sys_sendmsg+0xee/0x170 [ 3961.398176][ T1076] __sys_sendmsg+0xcd/0x170 [ 3961.398176][ T1076] do_syscall_64+0xc6/0x1e0 [ 3961.398176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3961.398176][ T1076] [ 3961.400455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3961.400455][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3961.400455][ T1076] ipv6_find_idev+0x102/0x170 [ 3961.400455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3961.400455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3961.400455][ T1076] netlink_rcv_skb+0x130/0x360 [ 3961.400455][ T1076] netlink_unicast+0x449/0x710 [ 3961.400455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3961.400455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3961.400455][ T1076] ___sys_sendmsg+0xee/0x170 [ 3961.400455][ T1076] __sys_sendmsg+0xcd/0x170 [ 3961.400455][ T1076] do_syscall_64+0xc6/0x1e0 [ 3961.400455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3961.400455][ T1076] [ 3961.402181][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3961.402181][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3961.402181][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3961.402181][ T1076] ipv6_find_idev+0x102/0x170 [ 3961.402181][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3961.402181][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3961.402181][ T1076] netlink_rcv_skb+0x130/0x360 [ 3961.402181][ T1076] netlink_unicast+0x449/0x710 [ 3961.402181][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3961.402181][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3961.402181][ T1076] ___sys_sendmsg+0xee/0x170 [ 3961.402181][ T1076] __sys_sendmsg+0xcd/0x170 [ 3961.402181][ T1076] do_syscall_64+0xc6/0x1e0 [ 3961.402181][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3961.402181][ T1076] [ 3971.549730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3971.550188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3971.550188][ T1076] netdev_get_by_index+0x5e/0x80 [ 3971.550188][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3971.550188][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3971.550188][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3971.550188][ T1076] ipv6_add_addr+0x411/0x2000 [ 3971.550188][ T1076] inet6_addr_add+0x30e/0xa40 [ 3971.550188][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3971.550188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3971.550188][ T1076] netlink_rcv_skb+0x130/0x360 [ 3971.550188][ T1076] netlink_unicast+0x449/0x710 [ 3971.550188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3971.550188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3971.550188][ T1076] ___sys_sendmsg+0xee/0x170 [ 3971.550188][ T1076] __sys_sendmsg+0xcd/0x170 [ 3971.550188][ T1076] do_syscall_64+0xc6/0x1e0 [ 3971.550188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3971.550188][ T1076] [ 3971.552455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3971.552455][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3971.552455][ T1076] ipv6_find_idev+0x102/0x170 [ 3971.552455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3971.552455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3971.552455][ T1076] netlink_rcv_skb+0x130/0x360 [ 3971.552455][ T1076] netlink_unicast+0x449/0x710 [ 3971.552455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3971.552455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3971.552455][ T1076] ___sys_sendmsg+0xee/0x170 [ 3971.552455][ T1076] __sys_sendmsg+0xcd/0x170 [ 3971.552455][ T1076] do_syscall_64+0xc6/0x1e0 [ 3971.552455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3971.552455][ T1076] [ 3971.554200][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3971.554200][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3971.554200][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3971.554200][ T1076] ipv6_find_idev+0x102/0x170 [ 3971.554200][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3971.554200][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3971.554200][ T1076] netlink_rcv_skb+0x130/0x360 [ 3971.554200][ T1076] netlink_unicast+0x449/0x710 [ 3971.554200][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3971.554200][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3971.554200][ T1076] ___sys_sendmsg+0xee/0x170 [ 3971.554200][ T1076] __sys_sendmsg+0xcd/0x170 [ 3971.554200][ T1076] do_syscall_64+0xc6/0x1e0 [ 3971.554200][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3971.554200][ T1076] [ 3981.629795][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3981.630340][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3981.630340][ T1076] netdev_get_by_index+0x5e/0x80 [ 3981.630340][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3981.630340][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3981.630340][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3981.630340][ T1076] ipv6_add_addr+0x411/0x2000 [ 3981.630340][ T1076] inet6_addr_add+0x30e/0xa40 [ 3981.630340][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3981.630340][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3981.630340][ T1076] netlink_rcv_skb+0x130/0x360 [ 3981.630340][ T1076] netlink_unicast+0x449/0x710 [ 3981.630340][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3981.630340][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3981.630340][ T1076] ___sys_sendmsg+0xee/0x170 [ 3981.630340][ T1076] __sys_sendmsg+0xcd/0x170 [ 3981.630340][ T1076] do_syscall_64+0xc6/0x1e0 [ 3981.630340][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3981.630340][ T1076] [ 3981.632702][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3981.632702][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3981.632702][ T1076] ipv6_find_idev+0x102/0x170 [ 3981.632702][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3981.632702][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3981.632702][ T1076] netlink_rcv_skb+0x130/0x360 [ 3981.632702][ T1076] netlink_unicast+0x449/0x710 [ 3981.632702][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3981.632702][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3981.632702][ T1076] ___sys_sendmsg+0xee/0x170 [ 3981.632702][ T1076] __sys_sendmsg+0xcd/0x170 [ 3981.632702][ T1076] do_syscall_64+0xc6/0x1e0 [ 3981.632702][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3981.632702][ T1076] [ 3981.634514][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3981.634514][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3981.634514][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3981.634514][ T1076] ipv6_find_idev+0x102/0x170 [ 3981.634514][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3981.634514][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3981.634514][ T1076] netlink_rcv_skb+0x130/0x360 [ 3981.634514][ T1076] netlink_unicast+0x449/0x710 [ 3981.634514][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3981.634514][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3981.634514][ T1076] ___sys_sendmsg+0xee/0x170 [ 3981.634514][ T1076] __sys_sendmsg+0xcd/0x170 [ 3981.634514][ T1076] do_syscall_64+0xc6/0x1e0 [ 3981.634514][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3981.634514][ T1076] [ 3991.861647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 3991.862184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3991.862184][ T1076] netdev_get_by_index+0x5e/0x80 [ 3991.862184][ T1076] fib6_nh_init+0x3d8/0x1580 [ 3991.862184][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 3991.862184][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 3991.862184][ T1076] ipv6_add_addr+0x411/0x2000 [ 3991.862184][ T1076] inet6_addr_add+0x30e/0xa40 [ 3991.862184][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 3991.862184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3991.862184][ T1076] netlink_rcv_skb+0x130/0x360 [ 3991.862184][ T1076] netlink_unicast+0x449/0x710 [ 3991.862184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3991.862184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3991.862184][ T1076] ___sys_sendmsg+0xee/0x170 [ 3991.862184][ T1076] __sys_sendmsg+0xcd/0x170 [ 3991.862184][ T1076] do_syscall_64+0xc6/0x1e0 [ 3991.862184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3991.862184][ T1076] [ 3991.864591][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3991.864591][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 3991.864591][ T1076] ipv6_find_idev+0x102/0x170 [ 3991.864591][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3991.864591][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3991.864591][ T1076] netlink_rcv_skb+0x130/0x360 [ 3991.864591][ T1076] netlink_unicast+0x449/0x710 [ 3991.864591][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3991.864591][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3991.864591][ T1076] ___sys_sendmsg+0xee/0x170 [ 3991.864591][ T1076] __sys_sendmsg+0xcd/0x170 [ 3991.864591][ T1076] do_syscall_64+0xc6/0x1e0 [ 3991.864591][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3991.864591][ T1076] [ 3991.866404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 3991.866404][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 3991.866404][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 3991.866404][ T1076] ipv6_find_idev+0x102/0x170 [ 3991.866404][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 3991.866404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3991.866404][ T1076] netlink_rcv_skb+0x130/0x360 [ 3991.866404][ T1076] netlink_unicast+0x449/0x710 [ 3991.866404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 3991.866404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 3991.866404][ T1076] ___sys_sendmsg+0xee/0x170 [ 3991.866404][ T1076] __sys_sendmsg+0xcd/0x170 [ 3991.866404][ T1076] do_syscall_64+0xc6/0x1e0 [ 3991.866404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3991.866404][ T1076] [ 4002.117745][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4002.118312][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4002.118312][ T1076] netdev_get_by_index+0x5e/0x80 [ 4002.118312][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4002.118312][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4002.118312][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4002.118312][ T1076] ipv6_add_addr+0x411/0x2000 [ 4002.118312][ T1076] inet6_addr_add+0x30e/0xa40 [ 4002.118312][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4002.118312][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4002.118312][ T1076] netlink_rcv_skb+0x130/0x360 [ 4002.118312][ T1076] netlink_unicast+0x449/0x710 [ 4002.118312][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4002.118312][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4002.118312][ T1076] ___sys_sendmsg+0xee/0x170 [ 4002.118312][ T1076] __sys_sendmsg+0xcd/0x170 [ 4002.118312][ T1076] do_syscall_64+0xc6/0x1e0 [ 4002.118312][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4002.118312][ T1076] [ 4002.120686][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4002.120686][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4002.120686][ T1076] ipv6_find_idev+0x102/0x170 [ 4002.120686][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4002.120686][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4002.120686][ T1076] netlink_rcv_skb+0x130/0x360 [ 4002.120686][ T1076] netlink_unicast+0x449/0x710 [ 4002.120686][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4002.120686][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4002.120686][ T1076] ___sys_sendmsg+0xee/0x170 [ 4002.120686][ T1076] __sys_sendmsg+0xcd/0x170 [ 4002.120686][ T1076] do_syscall_64+0xc6/0x1e0 [ 4002.120686][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4002.120686][ T1076] [ 4002.122493][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4002.122493][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4002.122493][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4002.122493][ T1076] ipv6_find_idev+0x102/0x170 [ 4002.122493][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4002.122493][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4002.122493][ T1076] netlink_rcv_skb+0x130/0x360 [ 4002.122493][ T1076] netlink_unicast+0x449/0x710 [ 4002.122493][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4002.122493][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4002.122493][ T1076] ___sys_sendmsg+0xee/0x170 [ 4002.122493][ T1076] __sys_sendmsg+0xcd/0x170 [ 4002.122493][ T1076] do_syscall_64+0xc6/0x1e0 [ 4002.122493][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4002.122493][ T1076] [ 4012.373729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4012.374250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4012.374250][ T1076] netdev_get_by_index+0x5e/0x80 [ 4012.374250][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4012.374250][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4012.374250][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4012.374250][ T1076] ipv6_add_addr+0x411/0x2000 [ 4012.374250][ T1076] inet6_addr_add+0x30e/0xa40 [ 4012.374250][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4012.374250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4012.374250][ T1076] netlink_rcv_skb+0x130/0x360 [ 4012.374250][ T1076] netlink_unicast+0x449/0x710 [ 4012.374250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4012.374250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4012.374250][ T1076] ___sys_sendmsg+0xee/0x170 [ 4012.374250][ T1076] __sys_sendmsg+0xcd/0x170 [ 4012.374250][ T1076] do_syscall_64+0xc6/0x1e0 [ 4012.374250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4012.374250][ T1076] [ 4012.376712][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4012.376712][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4012.376712][ T1076] ipv6_find_idev+0x102/0x170 [ 4012.376712][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4012.376712][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4012.376712][ T1076] netlink_rcv_skb+0x130/0x360 [ 4012.376712][ T1076] netlink_unicast+0x449/0x710 [ 4012.376712][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4012.376712][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4012.376712][ T1076] ___sys_sendmsg+0xee/0x170 [ 4012.376712][ T1076] __sys_sendmsg+0xcd/0x170 [ 4012.376712][ T1076] do_syscall_64+0xc6/0x1e0 [ 4012.376712][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4012.376712][ T1076] [ 4012.378447][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4012.378447][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4012.378447][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4012.378447][ T1076] ipv6_find_idev+0x102/0x170 [ 4012.378447][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4012.378447][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4012.378447][ T1076] netlink_rcv_skb+0x130/0x360 [ 4012.378447][ T1076] netlink_unicast+0x449/0x710 [ 4012.378447][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4012.378447][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4012.378447][ T1076] ___sys_sendmsg+0xee/0x170 [ 4012.378447][ T1076] __sys_sendmsg+0xcd/0x170 [ 4012.378447][ T1076] do_syscall_64+0xc6/0x1e0 [ 4012.378447][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4012.378447][ T1076] [ 4022.629713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4022.630240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4022.630240][ T1076] netdev_get_by_index+0x5e/0x80 [ 4022.630240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4022.630240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4022.630240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4022.630240][ T1076] ipv6_add_addr+0x411/0x2000 [ 4022.630240][ T1076] inet6_addr_add+0x30e/0xa40 [ 4022.630240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4022.630240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4022.630240][ T1076] netlink_rcv_skb+0x130/0x360 [ 4022.630240][ T1076] netlink_unicast+0x449/0x710 [ 4022.630240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4022.630240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4022.630240][ T1076] ___sys_sendmsg+0xee/0x170 [ 4022.630240][ T1076] __sys_sendmsg+0xcd/0x170 [ 4022.630240][ T1076] do_syscall_64+0xc6/0x1e0 [ 4022.630240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4022.630240][ T1076] [ 4022.632513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4022.632513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4022.632513][ T1076] ipv6_find_idev+0x102/0x170 [ 4022.632513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4022.632513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4022.632513][ T1076] netlink_rcv_skb+0x130/0x360 [ 4022.632513][ T1076] netlink_unicast+0x449/0x710 [ 4022.632513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4022.632513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4022.632513][ T1076] ___sys_sendmsg+0xee/0x170 [ 4022.632513][ T1076] __sys_sendmsg+0xcd/0x170 [ 4022.632513][ T1076] do_syscall_64+0xc6/0x1e0 [ 4022.632513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4022.632513][ T1076] [ 4022.634259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4022.634259][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4022.634259][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4022.634259][ T1076] ipv6_find_idev+0x102/0x170 [ 4022.634259][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4022.634259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4022.634259][ T1076] netlink_rcv_skb+0x130/0x360 [ 4022.634259][ T1076] netlink_unicast+0x449/0x710 [ 4022.634259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4022.634259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4022.634259][ T1076] ___sys_sendmsg+0xee/0x170 [ 4022.634259][ T1076] __sys_sendmsg+0xcd/0x170 [ 4022.634259][ T1076] do_syscall_64+0xc6/0x1e0 [ 4022.634259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4022.634259][ T1076] [ 4032.885728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4032.886262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4032.886262][ T1076] netdev_get_by_index+0x5e/0x80 [ 4032.886262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4032.886262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4032.886262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4032.886262][ T1076] ipv6_add_addr+0x411/0x2000 [ 4032.886262][ T1076] inet6_addr_add+0x30e/0xa40 [ 4032.886262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4032.886262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4032.886262][ T1076] netlink_rcv_skb+0x130/0x360 [ 4032.886262][ T1076] netlink_unicast+0x449/0x710 [ 4032.886262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4032.886262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4032.886262][ T1076] ___sys_sendmsg+0xee/0x170 [ 4032.886262][ T1076] __sys_sendmsg+0xcd/0x170 [ 4032.886262][ T1076] do_syscall_64+0xc6/0x1e0 [ 4032.886262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4032.886262][ T1076] [ 4032.888683][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4032.888683][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4032.888683][ T1076] ipv6_find_idev+0x102/0x170 [ 4032.888683][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4032.888683][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4032.888683][ T1076] netlink_rcv_skb+0x130/0x360 [ 4032.888683][ T1076] netlink_unicast+0x449/0x710 [ 4032.888683][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4032.888683][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4032.888683][ T1076] ___sys_sendmsg+0xee/0x170 [ 4032.888683][ T1076] __sys_sendmsg+0xcd/0x170 [ 4032.888683][ T1076] do_syscall_64+0xc6/0x1e0 [ 4032.888683][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4032.888683][ T1076] [ 4032.890523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4032.890523][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4032.890523][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4032.890523][ T1076] ipv6_find_idev+0x102/0x170 [ 4032.890523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4032.890523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4032.890523][ T1076] netlink_rcv_skb+0x130/0x360 [ 4032.890523][ T1076] netlink_unicast+0x449/0x710 [ 4032.890523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4032.890523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4032.890523][ T1076] ___sys_sendmsg+0xee/0x170 [ 4032.890523][ T1076] __sys_sendmsg+0xcd/0x170 [ 4032.890523][ T1076] do_syscall_64+0xc6/0x1e0 [ 4032.890523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4032.890523][ T1076] [ 4042.893719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4042.894239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4042.894239][ T1076] netdev_get_by_index+0x5e/0x80 [ 4042.894239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4042.894239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4042.894239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4042.894239][ T1076] ipv6_add_addr+0x411/0x2000 [ 4042.894239][ T1076] inet6_addr_add+0x30e/0xa40 [ 4042.894239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4042.894239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4042.894239][ T1076] netlink_rcv_skb+0x130/0x360 [ 4042.894239][ T1076] netlink_unicast+0x449/0x710 [ 4042.894239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4042.894239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4042.894239][ T1076] ___sys_sendmsg+0xee/0x170 [ 4042.894239][ T1076] __sys_sendmsg+0xcd/0x170 [ 4042.894239][ T1076] do_syscall_64+0xc6/0x1e0 [ 4042.894239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4042.894239][ T1076] [ 4042.896521][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4042.896521][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4042.896521][ T1076] ipv6_find_idev+0x102/0x170 [ 4042.896521][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4042.896521][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4042.896521][ T1076] netlink_rcv_skb+0x130/0x360 [ 4042.896521][ T1076] netlink_unicast+0x449/0x710 [ 4042.896521][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4042.896521][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4042.896521][ T1076] ___sys_sendmsg+0xee/0x170 [ 4042.896521][ T1076] __sys_sendmsg+0xcd/0x170 [ 4042.896521][ T1076] do_syscall_64+0xc6/0x1e0 [ 4042.896521][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4042.896521][ T1076] [ 4042.898248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4042.898248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4042.898248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4042.898248][ T1076] ipv6_find_idev+0x102/0x170 [ 4042.898248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4042.898248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4042.898248][ T1076] netlink_rcv_skb+0x130/0x360 [ 4042.898248][ T1076] netlink_unicast+0x449/0x710 [ 4042.898248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4042.898248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4042.898248][ T1076] ___sys_sendmsg+0xee/0x170 [ 4042.898248][ T1076] __sys_sendmsg+0xcd/0x170 [ 4042.898248][ T1076] do_syscall_64+0xc6/0x1e0 [ 4042.898248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4042.898248][ T1076] [ 4053.141721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4053.142245][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4053.142245][ T1076] netdev_get_by_index+0x5e/0x80 [ 4053.142245][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4053.142245][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4053.142245][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4053.142245][ T1076] ipv6_add_addr+0x411/0x2000 [ 4053.142245][ T1076] inet6_addr_add+0x30e/0xa40 [ 4053.142245][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4053.142245][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4053.142245][ T1076] netlink_rcv_skb+0x130/0x360 [ 4053.142245][ T1076] netlink_unicast+0x449/0x710 [ 4053.142245][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4053.142245][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4053.142245][ T1076] ___sys_sendmsg+0xee/0x170 [ 4053.142245][ T1076] __sys_sendmsg+0xcd/0x170 [ 4053.142245][ T1076] do_syscall_64+0xc6/0x1e0 [ 4053.142245][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4053.142245][ T1076] [ 4053.144563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4053.144563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4053.144563][ T1076] ipv6_find_idev+0x102/0x170 [ 4053.144563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4053.144563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4053.144563][ T1076] netlink_rcv_skb+0x130/0x360 [ 4053.144563][ T1076] netlink_unicast+0x449/0x710 [ 4053.144563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4053.144563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4053.144563][ T1076] ___sys_sendmsg+0xee/0x170 [ 4053.144563][ T1076] __sys_sendmsg+0xcd/0x170 [ 4053.144563][ T1076] do_syscall_64+0xc6/0x1e0 [ 4053.144563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4053.144563][ T1076] [ 4053.146314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4053.146314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4053.146314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4053.146314][ T1076] ipv6_find_idev+0x102/0x170 [ 4053.146314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4053.146314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4053.146314][ T1076] netlink_rcv_skb+0x130/0x360 [ 4053.146314][ T1076] netlink_unicast+0x449/0x710 [ 4053.146314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4053.146314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4053.146314][ T1076] ___sys_sendmsg+0xee/0x170 [ 4053.146314][ T1076] __sys_sendmsg+0xcd/0x170 [ 4053.146314][ T1076] do_syscall_64+0xc6/0x1e0 [ 4053.146314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4053.146314][ T1076] [ 4063.389770][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4063.390315][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4063.390315][ T1076] netdev_get_by_index+0x5e/0x80 [ 4063.390315][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4063.390315][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4063.390315][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4063.390315][ T1076] ipv6_add_addr+0x411/0x2000 [ 4063.390315][ T1076] inet6_addr_add+0x30e/0xa40 [ 4063.390315][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4063.390315][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4063.390315][ T1076] netlink_rcv_skb+0x130/0x360 [ 4063.390315][ T1076] netlink_unicast+0x449/0x710 [ 4063.390315][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4063.390315][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4063.390315][ T1076] ___sys_sendmsg+0xee/0x170 [ 4063.390315][ T1076] __sys_sendmsg+0xcd/0x170 [ 4063.390315][ T1076] do_syscall_64+0xc6/0x1e0 [ 4063.390315][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4063.390315][ T1076] [ 4063.392728][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4063.392728][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4063.392728][ T1076] ipv6_find_idev+0x102/0x170 [ 4063.392728][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4063.392728][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4063.392728][ T1076] netlink_rcv_skb+0x130/0x360 [ 4063.392728][ T1076] netlink_unicast+0x449/0x710 [ 4063.392728][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4063.392728][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4063.392728][ T1076] ___sys_sendmsg+0xee/0x170 [ 4063.392728][ T1076] __sys_sendmsg+0xcd/0x170 [ 4063.392728][ T1076] do_syscall_64+0xc6/0x1e0 [ 4063.392728][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4063.392728][ T1076] [ 4063.394494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4063.394494][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4063.394494][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4063.394494][ T1076] ipv6_find_idev+0x102/0x170 [ 4063.394494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4063.394494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4063.394494][ T1076] netlink_rcv_skb+0x130/0x360 [ 4063.394494][ T1076] netlink_unicast+0x449/0x710 [ 4063.394494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4063.394494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4063.394494][ T1076] ___sys_sendmsg+0xee/0x170 [ 4063.394494][ T1076] __sys_sendmsg+0xcd/0x170 [ 4063.394494][ T1076] do_syscall_64+0xc6/0x1e0 [ 4063.394494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4063.394494][ T1076] [ 4073.493708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4073.494189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4073.494189][ T1076] netdev_get_by_index+0x5e/0x80 [ 4073.494189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4073.494189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4073.494189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4073.494189][ T1076] ipv6_add_addr+0x411/0x2000 [ 4073.494189][ T1076] inet6_addr_add+0x30e/0xa40 [ 4073.494189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4073.494189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4073.494189][ T1076] netlink_rcv_skb+0x130/0x360 [ 4073.494189][ T1076] netlink_unicast+0x449/0x710 [ 4073.494189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4073.494189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4073.494189][ T1076] ___sys_sendmsg+0xee/0x170 [ 4073.494189][ T1076] __sys_sendmsg+0xcd/0x170 [ 4073.494189][ T1076] do_syscall_64+0xc6/0x1e0 [ 4073.494189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4073.494189][ T1076] [ 4073.496482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4073.496482][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4073.496482][ T1076] ipv6_find_idev+0x102/0x170 [ 4073.496482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4073.496482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4073.496482][ T1076] netlink_rcv_skb+0x130/0x360 [ 4073.496482][ T1076] netlink_unicast+0x449/0x710 [ 4073.496482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4073.496482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4073.496482][ T1076] ___sys_sendmsg+0xee/0x170 [ 4073.496482][ T1076] __sys_sendmsg+0xcd/0x170 [ 4073.496482][ T1076] do_syscall_64+0xc6/0x1e0 [ 4073.496482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4073.496482][ T1076] [ 4073.498254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4073.498254][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4073.498254][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4073.498254][ T1076] ipv6_find_idev+0x102/0x170 [ 4073.498254][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4073.498254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4073.498254][ T1076] netlink_rcv_skb+0x130/0x360 [ 4073.498254][ T1076] netlink_unicast+0x449/0x710 [ 4073.498254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4073.498254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4073.498254][ T1076] ___sys_sendmsg+0xee/0x170 [ 4073.498254][ T1076] __sys_sendmsg+0xcd/0x170 [ 4073.498254][ T1076] do_syscall_64+0xc6/0x1e0 [ 4073.498254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4073.498254][ T1076] [ 4083.733833][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4083.734358][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4083.734358][ T1076] netdev_get_by_index+0x5e/0x80 [ 4083.734358][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4083.734358][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4083.734358][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4083.734358][ T1076] ipv6_add_addr+0x411/0x2000 [ 4083.734358][ T1076] inet6_addr_add+0x30e/0xa40 [ 4083.734358][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4083.734358][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4083.734358][ T1076] netlink_rcv_skb+0x130/0x360 [ 4083.734358][ T1076] netlink_unicast+0x449/0x710 [ 4083.734358][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4083.734358][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4083.734358][ T1076] ___sys_sendmsg+0xee/0x170 [ 4083.734358][ T1076] __sys_sendmsg+0xcd/0x170 [ 4083.734358][ T1076] do_syscall_64+0xc6/0x1e0 [ 4083.734358][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4083.734358][ T1076] [ 4083.736612][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4083.736612][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4083.736612][ T1076] ipv6_find_idev+0x102/0x170 [ 4083.736612][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4083.736612][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4083.736612][ T1076] netlink_rcv_skb+0x130/0x360 [ 4083.736612][ T1076] netlink_unicast+0x449/0x710 [ 4083.736612][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4083.736612][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4083.736612][ T1076] ___sys_sendmsg+0xee/0x170 [ 4083.736612][ T1076] __sys_sendmsg+0xcd/0x170 [ 4083.736612][ T1076] do_syscall_64+0xc6/0x1e0 [ 4083.736612][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4083.736612][ T1076] [ 4083.738349][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4083.738349][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4083.738349][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4083.738349][ T1076] ipv6_find_idev+0x102/0x170 [ 4083.738349][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4083.738349][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4083.738349][ T1076] netlink_rcv_skb+0x130/0x360 [ 4083.738349][ T1076] netlink_unicast+0x449/0x710 [ 4083.738349][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4083.738349][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4083.738349][ T1076] ___sys_sendmsg+0xee/0x170 [ 4083.738349][ T1076] __sys_sendmsg+0xcd/0x170 [ 4083.738349][ T1076] do_syscall_64+0xc6/0x1e0 [ 4083.738349][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4083.738349][ T1076] [ 4093.869708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4093.870237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4093.870237][ T1076] netdev_get_by_index+0x5e/0x80 [ 4093.870237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4093.870237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4093.870237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4093.870237][ T1076] ipv6_add_addr+0x411/0x2000 [ 4093.870237][ T1076] inet6_addr_add+0x30e/0xa40 [ 4093.870237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4093.870237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4093.870237][ T1076] netlink_rcv_skb+0x130/0x360 [ 4093.870237][ T1076] netlink_unicast+0x449/0x710 [ 4093.870237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4093.870237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4093.870237][ T1076] ___sys_sendmsg+0xee/0x170 [ 4093.870237][ T1076] __sys_sendmsg+0xcd/0x170 [ 4093.870237][ T1076] do_syscall_64+0xc6/0x1e0 [ 4093.870237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4093.870237][ T1076] [ 4093.872510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4093.872510][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4093.872510][ T1076] ipv6_find_idev+0x102/0x170 [ 4093.872510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4093.872510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4093.872510][ T1076] netlink_rcv_skb+0x130/0x360 [ 4093.872510][ T1076] netlink_unicast+0x449/0x710 [ 4093.872510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4093.872510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4093.872510][ T1076] ___sys_sendmsg+0xee/0x170 [ 4093.872510][ T1076] __sys_sendmsg+0xcd/0x170 [ 4093.872510][ T1076] do_syscall_64+0xc6/0x1e0 [ 4093.872510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4093.872510][ T1076] [ 4093.874259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4093.874259][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4093.874259][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4093.874259][ T1076] ipv6_find_idev+0x102/0x170 [ 4093.874259][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4093.874259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4093.874259][ T1076] netlink_rcv_skb+0x130/0x360 [ 4093.874259][ T1076] netlink_unicast+0x449/0x710 [ 4093.874259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4093.874259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4093.874259][ T1076] ___sys_sendmsg+0xee/0x170 [ 4093.874259][ T1076] __sys_sendmsg+0xcd/0x170 [ 4093.874259][ T1076] do_syscall_64+0xc6/0x1e0 [ 4093.874259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4093.874259][ T1076] [ 4103.893657][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4103.894105][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4103.894105][ T1076] netdev_get_by_index+0x5e/0x80 [ 4103.894105][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4103.894105][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4103.894105][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4103.894105][ T1076] ipv6_add_addr+0x411/0x2000 [ 4103.894105][ T1076] inet6_addr_add+0x30e/0xa40 [ 4103.894105][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4103.894105][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4103.894105][ T1076] netlink_rcv_skb+0x130/0x360 [ 4103.894105][ T1076] netlink_unicast+0x449/0x710 [ 4103.894105][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4103.894105][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4103.894105][ T1076] ___sys_sendmsg+0xee/0x170 [ 4103.894105][ T1076] __sys_sendmsg+0xcd/0x170 [ 4103.894105][ T1076] do_syscall_64+0xc6/0x1e0 [ 4103.894105][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4103.894105][ T1076] [ 4103.896505][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4103.896505][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4103.896505][ T1076] ipv6_find_idev+0x102/0x170 [ 4103.896505][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4103.896505][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4103.896505][ T1076] netlink_rcv_skb+0x130/0x360 [ 4103.896505][ T1076] netlink_unicast+0x449/0x710 [ 4103.896505][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4103.896505][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4103.896505][ T1076] ___sys_sendmsg+0xee/0x170 [ 4103.896505][ T1076] __sys_sendmsg+0xcd/0x170 [ 4103.896505][ T1076] do_syscall_64+0xc6/0x1e0 [ 4103.896505][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4103.896505][ T1076] [ 4103.898229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4103.898229][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4103.898229][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4103.898229][ T1076] ipv6_find_idev+0x102/0x170 [ 4103.898229][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4103.898229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4103.898229][ T1076] netlink_rcv_skb+0x130/0x360 [ 4103.898229][ T1076] netlink_unicast+0x449/0x710 [ 4103.898229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4103.898229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4103.898229][ T1076] ___sys_sendmsg+0xee/0x170 [ 4103.898229][ T1076] __sys_sendmsg+0xcd/0x170 [ 4103.898229][ T1076] do_syscall_64+0xc6/0x1e0 [ 4103.898229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4103.898229][ T1076] [ 4114.093720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4114.094425][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4114.094425][ T1076] netdev_get_by_index+0x5e/0x80 [ 4114.094425][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4114.094425][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4114.094425][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4114.094425][ T1076] ipv6_add_addr+0x411/0x2000 [ 4114.094425][ T1076] inet6_addr_add+0x30e/0xa40 [ 4114.094425][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4114.094425][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4114.094425][ T1076] netlink_rcv_skb+0x130/0x360 [ 4114.094425][ T1076] netlink_unicast+0x449/0x710 [ 4114.094425][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4114.094425][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4114.094425][ T1076] ___sys_sendmsg+0xee/0x170 [ 4114.094425][ T1076] __sys_sendmsg+0xcd/0x170 [ 4114.094425][ T1076] do_syscall_64+0xc6/0x1e0 [ 4114.094425][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4114.094425][ T1076] [ 4114.098043][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4114.098043][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4114.098043][ T1076] ipv6_find_idev+0x102/0x170 [ 4114.098043][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4114.098043][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4114.098043][ T1076] netlink_rcv_skb+0x130/0x360 [ 4114.098043][ T1076] netlink_unicast+0x449/0x710 [ 4114.098043][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4114.098043][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4114.098043][ T1076] ___sys_sendmsg+0xee/0x170 [ 4114.098043][ T1076] __sys_sendmsg+0xcd/0x170 [ 4114.098043][ T1076] do_syscall_64+0xc6/0x1e0 [ 4114.098043][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4114.098043][ T1076] [ 4114.100742][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4114.100742][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4114.100742][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4114.100742][ T1076] ipv6_find_idev+0x102/0x170 [ 4114.100742][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4114.100742][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4114.100742][ T1076] netlink_rcv_skb+0x130/0x360 [ 4114.100742][ T1076] netlink_unicast+0x449/0x710 [ 4114.100742][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4114.100742][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4114.100742][ T1076] ___sys_sendmsg+0xee/0x170 [ 4114.100742][ T1076] __sys_sendmsg+0xcd/0x170 [ 4114.100742][ T1076] do_syscall_64+0xc6/0x1e0 [ 4114.100742][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4114.100742][ T1076] [ 4124.237764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4124.238269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4124.238269][ T1076] netdev_get_by_index+0x5e/0x80 [ 4124.238269][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4124.238269][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4124.238269][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4124.238269][ T1076] ipv6_add_addr+0x411/0x2000 [ 4124.238269][ T1076] inet6_addr_add+0x30e/0xa40 [ 4124.238269][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4124.238269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4124.238269][ T1076] netlink_rcv_skb+0x130/0x360 [ 4124.238269][ T1076] netlink_unicast+0x449/0x710 [ 4124.238269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4124.238269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4124.238269][ T1076] ___sys_sendmsg+0xee/0x170 [ 4124.238269][ T1076] __sys_sendmsg+0xcd/0x170 [ 4124.238269][ T1076] do_syscall_64+0xc6/0x1e0 [ 4124.238269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4124.238269][ T1076] [ 4124.240733][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4124.240733][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4124.240733][ T1076] ipv6_find_idev+0x102/0x170 [ 4124.240733][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4124.240733][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4124.240733][ T1076] netlink_rcv_skb+0x130/0x360 [ 4124.240733][ T1076] netlink_unicast+0x449/0x710 [ 4124.240733][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4124.240733][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4124.240733][ T1076] ___sys_sendmsg+0xee/0x170 [ 4124.240733][ T1076] __sys_sendmsg+0xcd/0x170 [ 4124.240733][ T1076] do_syscall_64+0xc6/0x1e0 [ 4124.240733][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4124.240733][ T1076] [ 4124.242593][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4124.242593][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4124.242593][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4124.242593][ T1076] ipv6_find_idev+0x102/0x170 [ 4124.242593][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4124.242593][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4124.242593][ T1076] netlink_rcv_skb+0x130/0x360 [ 4124.242593][ T1076] netlink_unicast+0x449/0x710 [ 4124.242593][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4124.242593][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4124.242593][ T1076] ___sys_sendmsg+0xee/0x170 [ 4124.242593][ T1076] __sys_sendmsg+0xcd/0x170 [ 4124.242593][ T1076] do_syscall_64+0xc6/0x1e0 [ 4124.242593][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4124.242593][ T1076] [ 4134.485715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4134.486180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4134.486180][ T1076] netdev_get_by_index+0x5e/0x80 [ 4134.486180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4134.486180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4134.486180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4134.486180][ T1076] ipv6_add_addr+0x411/0x2000 [ 4134.486180][ T1076] inet6_addr_add+0x30e/0xa40 [ 4134.486180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4134.486180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4134.486180][ T1076] netlink_rcv_skb+0x130/0x360 [ 4134.486180][ T1076] netlink_unicast+0x449/0x710 [ 4134.486180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4134.486180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4134.486180][ T1076] ___sys_sendmsg+0xee/0x170 [ 4134.486180][ T1076] __sys_sendmsg+0xcd/0x170 [ 4134.486180][ T1076] do_syscall_64+0xc6/0x1e0 [ 4134.486180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4134.486180][ T1076] [ 4134.488631][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4134.488631][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4134.488631][ T1076] ipv6_find_idev+0x102/0x170 [ 4134.488631][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4134.488631][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4134.488631][ T1076] netlink_rcv_skb+0x130/0x360 [ 4134.488631][ T1076] netlink_unicast+0x449/0x710 [ 4134.488631][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4134.488631][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4134.488631][ T1076] ___sys_sendmsg+0xee/0x170 [ 4134.488631][ T1076] __sys_sendmsg+0xcd/0x170 [ 4134.488631][ T1076] do_syscall_64+0xc6/0x1e0 [ 4134.488631][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4134.488631][ T1076] [ 4134.490497][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4134.490497][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4134.490497][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4134.490497][ T1076] ipv6_find_idev+0x102/0x170 [ 4134.490497][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4134.490497][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4134.490497][ T1076] netlink_rcv_skb+0x130/0x360 [ 4134.490497][ T1076] netlink_unicast+0x449/0x710 [ 4134.490497][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4134.490497][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4134.490497][ T1076] ___sys_sendmsg+0xee/0x170 [ 4134.490497][ T1076] __sys_sendmsg+0xcd/0x170 [ 4134.490497][ T1076] do_syscall_64+0xc6/0x1e0 [ 4134.490497][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4134.490497][ T1076] [ 4144.501734][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4144.502590][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4144.502590][ T1076] netdev_get_by_index+0x5e/0x80 [ 4144.502590][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4144.502590][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4144.502590][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4144.502590][ T1076] ipv6_add_addr+0x411/0x2000 [ 4144.502590][ T1076] inet6_addr_add+0x30e/0xa40 [ 4144.502590][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4144.502590][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4144.502590][ T1076] netlink_rcv_skb+0x130/0x360 [ 4144.502590][ T1076] netlink_unicast+0x449/0x710 [ 4144.502590][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4144.502590][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4144.502590][ T1076] ___sys_sendmsg+0xee/0x170 [ 4144.502590][ T1076] __sys_sendmsg+0xcd/0x170 [ 4144.502590][ T1076] do_syscall_64+0xc6/0x1e0 [ 4144.502590][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4144.502590][ T1076] [ 4144.504888][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4144.504888][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4144.504888][ T1076] ipv6_find_idev+0x102/0x170 [ 4144.504888][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4144.504888][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4144.504888][ T1076] netlink_rcv_skb+0x130/0x360 [ 4144.504888][ T1076] netlink_unicast+0x449/0x710 [ 4144.504888][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4144.504888][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4144.504888][ T1076] ___sys_sendmsg+0xee/0x170 [ 4144.504888][ T1076] __sys_sendmsg+0xcd/0x170 [ 4144.504888][ T1076] do_syscall_64+0xc6/0x1e0 [ 4144.504888][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4144.504888][ T1076] [ 4144.506704][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4144.506704][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4144.506704][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4144.506704][ T1076] ipv6_find_idev+0x102/0x170 [ 4144.506704][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4144.506704][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4144.506704][ T1076] netlink_rcv_skb+0x130/0x360 [ 4144.506704][ T1076] netlink_unicast+0x449/0x710 [ 4144.506704][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4144.506704][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4144.506704][ T1076] ___sys_sendmsg+0xee/0x170 [ 4144.506704][ T1076] __sys_sendmsg+0xcd/0x170 [ 4144.506704][ T1076] do_syscall_64+0xc6/0x1e0 [ 4144.506704][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4144.506704][ T1076] [ 4154.589784][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4154.590337][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4154.590337][ T1076] netdev_get_by_index+0x5e/0x80 [ 4154.590337][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4154.590337][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4154.590337][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4154.590337][ T1076] ipv6_add_addr+0x411/0x2000 [ 4154.590337][ T1076] inet6_addr_add+0x30e/0xa40 [ 4154.590337][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4154.590337][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4154.590337][ T1076] netlink_rcv_skb+0x130/0x360 [ 4154.590337][ T1076] netlink_unicast+0x449/0x710 [ 4154.590337][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4154.590337][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4154.590337][ T1076] ___sys_sendmsg+0xee/0x170 [ 4154.590337][ T1076] __sys_sendmsg+0xcd/0x170 [ 4154.590337][ T1076] do_syscall_64+0xc6/0x1e0 [ 4154.590337][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4154.590337][ T1076] [ 4154.592625][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4154.592625][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4154.592625][ T1076] ipv6_find_idev+0x102/0x170 [ 4154.592625][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4154.592625][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4154.592625][ T1076] netlink_rcv_skb+0x130/0x360 [ 4154.592625][ T1076] netlink_unicast+0x449/0x710 [ 4154.592625][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4154.592625][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4154.592625][ T1076] ___sys_sendmsg+0xee/0x170 [ 4154.592625][ T1076] __sys_sendmsg+0xcd/0x170 [ 4154.592625][ T1076] do_syscall_64+0xc6/0x1e0 [ 4154.592625][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4154.592625][ T1076] [ 4154.594388][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4154.594388][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4154.594388][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4154.594388][ T1076] ipv6_find_idev+0x102/0x170 [ 4154.594388][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4154.594388][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4154.594388][ T1076] netlink_rcv_skb+0x130/0x360 [ 4154.594388][ T1076] netlink_unicast+0x449/0x710 [ 4154.594388][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4154.594388][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4154.594388][ T1076] ___sys_sendmsg+0xee/0x170 [ 4154.594388][ T1076] __sys_sendmsg+0xcd/0x170 [ 4154.594388][ T1076] do_syscall_64+0xc6/0x1e0 [ 4154.594388][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4154.594388][ T1076] [ 4164.837776][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4164.838294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4164.838294][ T1076] netdev_get_by_index+0x5e/0x80 [ 4164.838294][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4164.838294][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4164.838294][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4164.838294][ T1076] ipv6_add_addr+0x411/0x2000 [ 4164.838294][ T1076] inet6_addr_add+0x30e/0xa40 [ 4164.838294][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4164.838294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4164.838294][ T1076] netlink_rcv_skb+0x130/0x360 [ 4164.838294][ T1076] netlink_unicast+0x449/0x710 [ 4164.838294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4164.838294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4164.838294][ T1076] ___sys_sendmsg+0xee/0x170 [ 4164.838294][ T1076] __sys_sendmsg+0xcd/0x170 [ 4164.838294][ T1076] do_syscall_64+0xc6/0x1e0 [ 4164.838294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4164.838294][ T1076] [ 4164.840598][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4164.840598][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4164.840598][ T1076] ipv6_find_idev+0x102/0x170 [ 4164.840598][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4164.840598][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4164.840598][ T1076] netlink_rcv_skb+0x130/0x360 [ 4164.840598][ T1076] netlink_unicast+0x449/0x710 [ 4164.840598][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4164.840598][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4164.840598][ T1076] ___sys_sendmsg+0xee/0x170 [ 4164.840598][ T1076] __sys_sendmsg+0xcd/0x170 [ 4164.840598][ T1076] do_syscall_64+0xc6/0x1e0 [ 4164.840598][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4164.840598][ T1076] [ 4164.842355][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4164.842355][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4164.842355][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4164.842355][ T1076] ipv6_find_idev+0x102/0x170 [ 4164.842355][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4164.842355][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4164.842355][ T1076] netlink_rcv_skb+0x130/0x360 [ 4164.842355][ T1076] netlink_unicast+0x449/0x710 [ 4164.842355][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4164.842355][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4164.842355][ T1076] ___sys_sendmsg+0xee/0x170 [ 4164.842355][ T1076] __sys_sendmsg+0xcd/0x170 [ 4164.842355][ T1076] do_syscall_64+0xc6/0x1e0 [ 4164.842355][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4164.842355][ T1076] [ 4175.085721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4175.086248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4175.086248][ T1076] netdev_get_by_index+0x5e/0x80 [ 4175.086248][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4175.086248][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4175.086248][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4175.086248][ T1076] ipv6_add_addr+0x411/0x2000 [ 4175.086248][ T1076] inet6_addr_add+0x30e/0xa40 [ 4175.086248][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4175.086248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4175.086248][ T1076] netlink_rcv_skb+0x130/0x360 [ 4175.086248][ T1076] netlink_unicast+0x449/0x710 [ 4175.086248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4175.086248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4175.086248][ T1076] ___sys_sendmsg+0xee/0x170 [ 4175.086248][ T1076] __sys_sendmsg+0xcd/0x170 [ 4175.086248][ T1076] do_syscall_64+0xc6/0x1e0 [ 4175.086248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4175.086248][ T1076] [ 4175.088543][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4175.088543][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4175.088543][ T1076] ipv6_find_idev+0x102/0x170 [ 4175.088543][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4175.088543][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4175.088543][ T1076] netlink_rcv_skb+0x130/0x360 [ 4175.088543][ T1076] netlink_unicast+0x449/0x710 [ 4175.088543][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4175.088543][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4175.088543][ T1076] ___sys_sendmsg+0xee/0x170 [ 4175.088543][ T1076] __sys_sendmsg+0xcd/0x170 [ 4175.088543][ T1076] do_syscall_64+0xc6/0x1e0 [ 4175.088543][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4175.088543][ T1076] [ 4175.090394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4175.090394][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4175.090394][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4175.090394][ T1076] ipv6_find_idev+0x102/0x170 [ 4175.090394][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4175.090394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4175.090394][ T1076] netlink_rcv_skb+0x130/0x360 [ 4175.090394][ T1076] netlink_unicast+0x449/0x710 [ 4175.090394][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4175.090394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4175.090394][ T1076] ___sys_sendmsg+0xee/0x170 [ 4175.090394][ T1076] __sys_sendmsg+0xcd/0x170 [ 4175.090394][ T1076] do_syscall_64+0xc6/0x1e0 [ 4175.090394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4175.090394][ T1076] [ 4185.333728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4185.334256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4185.334256][ T1076] netdev_get_by_index+0x5e/0x80 [ 4185.334256][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4185.334256][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4185.334256][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4185.334256][ T1076] ipv6_add_addr+0x411/0x2000 [ 4185.334256][ T1076] inet6_addr_add+0x30e/0xa40 [ 4185.334256][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4185.334256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4185.334256][ T1076] netlink_rcv_skb+0x130/0x360 [ 4185.334256][ T1076] netlink_unicast+0x449/0x710 [ 4185.334256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4185.334256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4185.334256][ T1076] ___sys_sendmsg+0xee/0x170 [ 4185.334256][ T1076] __sys_sendmsg+0xcd/0x170 [ 4185.334256][ T1076] do_syscall_64+0xc6/0x1e0 [ 4185.334256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4185.334256][ T1076] [ 4185.336565][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4185.336565][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4185.336565][ T1076] ipv6_find_idev+0x102/0x170 [ 4185.336565][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4185.336565][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4185.336565][ T1076] netlink_rcv_skb+0x130/0x360 [ 4185.336565][ T1076] netlink_unicast+0x449/0x710 [ 4185.336565][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4185.336565][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4185.336565][ T1076] ___sys_sendmsg+0xee/0x170 [ 4185.336565][ T1076] __sys_sendmsg+0xcd/0x170 [ 4185.336565][ T1076] do_syscall_64+0xc6/0x1e0 [ 4185.336565][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4185.336565][ T1076] [ 4185.338353][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4185.338353][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4185.338353][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4185.338353][ T1076] ipv6_find_idev+0x102/0x170 [ 4185.338353][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4185.338353][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4185.338353][ T1076] netlink_rcv_skb+0x130/0x360 [ 4185.338353][ T1076] netlink_unicast+0x449/0x710 [ 4185.338353][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4185.338353][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4185.338353][ T1076] ___sys_sendmsg+0xee/0x170 [ 4185.338353][ T1076] __sys_sendmsg+0xcd/0x170 [ 4185.338353][ T1076] do_syscall_64+0xc6/0x1e0 [ 4185.338353][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4185.338353][ T1076] [ 4195.581696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4195.582247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4195.582247][ T1076] netdev_get_by_index+0x5e/0x80 [ 4195.582247][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4195.582247][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4195.582247][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4195.582247][ T1076] ipv6_add_addr+0x411/0x2000 [ 4195.582247][ T1076] inet6_addr_add+0x30e/0xa40 [ 4195.582247][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4195.582247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4195.582247][ T1076] netlink_rcv_skb+0x130/0x360 [ 4195.582247][ T1076] netlink_unicast+0x449/0x710 [ 4195.582247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4195.582247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4195.582247][ T1076] ___sys_sendmsg+0xee/0x170 [ 4195.582247][ T1076] __sys_sendmsg+0xcd/0x170 [ 4195.582247][ T1076] do_syscall_64+0xc6/0x1e0 [ 4195.582247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4195.582247][ T1076] [ 4195.584563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4195.584563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4195.584563][ T1076] ipv6_find_idev+0x102/0x170 [ 4195.584563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4195.584563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4195.584563][ T1076] netlink_rcv_skb+0x130/0x360 [ 4195.584563][ T1076] netlink_unicast+0x449/0x710 [ 4195.584563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4195.584563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4195.584563][ T1076] ___sys_sendmsg+0xee/0x170 [ 4195.584563][ T1076] __sys_sendmsg+0xcd/0x170 [ 4195.584563][ T1076] do_syscall_64+0xc6/0x1e0 [ 4195.584563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4195.584563][ T1076] [ 4195.586316][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4195.586316][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4195.586316][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4195.586316][ T1076] ipv6_find_idev+0x102/0x170 [ 4195.586316][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4195.586316][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4195.586316][ T1076] netlink_rcv_skb+0x130/0x360 [ 4195.586316][ T1076] netlink_unicast+0x449/0x710 [ 4195.586316][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4195.586316][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4195.586316][ T1076] ___sys_sendmsg+0xee/0x170 [ 4195.586316][ T1076] __sys_sendmsg+0xcd/0x170 [ 4195.586316][ T1076] do_syscall_64+0xc6/0x1e0 [ 4195.586316][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4195.586316][ T1076] [ 4205.733771][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4205.734331][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4205.734331][ T1076] netdev_get_by_index+0x5e/0x80 [ 4205.734331][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4205.734331][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4205.734331][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4205.734331][ T1076] ipv6_add_addr+0x411/0x2000 [ 4205.734331][ T1076] inet6_addr_add+0x30e/0xa40 [ 4205.734331][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4205.734331][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4205.734331][ T1076] netlink_rcv_skb+0x130/0x360 [ 4205.734331][ T1076] netlink_unicast+0x449/0x710 [ 4205.734331][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4205.734331][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4205.734331][ T1076] ___sys_sendmsg+0xee/0x170 [ 4205.734331][ T1076] __sys_sendmsg+0xcd/0x170 [ 4205.734331][ T1076] do_syscall_64+0xc6/0x1e0 [ 4205.734331][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4205.734331][ T1076] [ 4205.736627][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4205.736627][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4205.736627][ T1076] ipv6_find_idev+0x102/0x170 [ 4205.736627][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4205.736627][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4205.736627][ T1076] netlink_rcv_skb+0x130/0x360 [ 4205.736627][ T1076] netlink_unicast+0x449/0x710 [ 4205.736627][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4205.736627][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4205.736627][ T1076] ___sys_sendmsg+0xee/0x170 [ 4205.736627][ T1076] __sys_sendmsg+0xcd/0x170 [ 4205.736627][ T1076] do_syscall_64+0xc6/0x1e0 [ 4205.736627][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4205.736627][ T1076] [ 4205.738373][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4205.738373][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4205.738373][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4205.738373][ T1076] ipv6_find_idev+0x102/0x170 [ 4205.738373][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4205.738373][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4205.738373][ T1076] netlink_rcv_skb+0x130/0x360 [ 4205.738373][ T1076] netlink_unicast+0x449/0x710 [ 4205.738373][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4205.738373][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4205.738373][ T1076] ___sys_sendmsg+0xee/0x170 [ 4205.738373][ T1076] __sys_sendmsg+0xcd/0x170 [ 4205.738373][ T1076] do_syscall_64+0xc6/0x1e0 [ 4205.738373][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4205.738373][ T1076] [ 4215.757764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4215.758309][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4215.758309][ T1076] netdev_get_by_index+0x5e/0x80 [ 4215.758309][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4215.758309][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4215.758309][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4215.758309][ T1076] ipv6_add_addr+0x411/0x2000 [ 4215.758309][ T1076] inet6_addr_add+0x30e/0xa40 [ 4215.758309][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4215.758309][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.758309][ T1076] netlink_rcv_skb+0x130/0x360 [ 4215.758309][ T1076] netlink_unicast+0x449/0x710 [ 4215.758309][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4215.758309][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4215.758309][ T1076] ___sys_sendmsg+0xee/0x170 [ 4215.758309][ T1076] __sys_sendmsg+0xcd/0x170 [ 4215.758309][ T1076] do_syscall_64+0xc6/0x1e0 [ 4215.758309][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.758309][ T1076] [ 4215.760641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4215.760641][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4215.760641][ T1076] ipv6_find_idev+0x102/0x170 [ 4215.760641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4215.760641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.760641][ T1076] netlink_rcv_skb+0x130/0x360 [ 4215.760641][ T1076] netlink_unicast+0x449/0x710 [ 4215.760641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4215.760641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4215.760641][ T1076] ___sys_sendmsg+0xee/0x170 [ 4215.760641][ T1076] __sys_sendmsg+0xcd/0x170 [ 4215.760641][ T1076] do_syscall_64+0xc6/0x1e0 [ 4215.760641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.760641][ T1076] [ 4215.762406][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4215.762406][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4215.762406][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4215.762406][ T1076] ipv6_find_idev+0x102/0x170 [ 4215.762406][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4215.762406][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.762406][ T1076] netlink_rcv_skb+0x130/0x360 [ 4215.762406][ T1076] netlink_unicast+0x449/0x710 [ 4215.762406][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4215.762406][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4215.762406][ T1076] ___sys_sendmsg+0xee/0x170 [ 4215.762406][ T1076] __sys_sendmsg+0xcd/0x170 [ 4215.762406][ T1076] do_syscall_64+0xc6/0x1e0 [ 4215.762406][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.762406][ T1076] [ 4226.013682][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4226.014213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4226.014213][ T1076] netdev_get_by_index+0x5e/0x80 [ 4226.014213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4226.014213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4226.014213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4226.014213][ T1076] ipv6_add_addr+0x411/0x2000 [ 4226.014213][ T1076] inet6_addr_add+0x30e/0xa40 [ 4226.014213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4226.014213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4226.014213][ T1076] netlink_rcv_skb+0x130/0x360 [ 4226.014213][ T1076] netlink_unicast+0x449/0x710 [ 4226.014213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4226.014213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4226.014213][ T1076] ___sys_sendmsg+0xee/0x170 [ 4226.014213][ T1076] __sys_sendmsg+0xcd/0x170 [ 4226.014213][ T1076] do_syscall_64+0xc6/0x1e0 [ 4226.014213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4226.014213][ T1076] [ 4226.016529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4226.016529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4226.016529][ T1076] ipv6_find_idev+0x102/0x170 [ 4226.016529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4226.016529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4226.016529][ T1076] netlink_rcv_skb+0x130/0x360 [ 4226.016529][ T1076] netlink_unicast+0x449/0x710 [ 4226.016529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4226.016529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4226.016529][ T1076] ___sys_sendmsg+0xee/0x170 [ 4226.016529][ T1076] __sys_sendmsg+0xcd/0x170 [ 4226.016529][ T1076] do_syscall_64+0xc6/0x1e0 [ 4226.016529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4226.016529][ T1076] [ 4226.018282][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4226.018282][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4226.018282][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4226.018282][ T1076] ipv6_find_idev+0x102/0x170 [ 4226.018282][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4226.018282][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4226.018282][ T1076] netlink_rcv_skb+0x130/0x360 [ 4226.018282][ T1076] netlink_unicast+0x449/0x710 [ 4226.018282][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4226.018282][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4226.018282][ T1076] ___sys_sendmsg+0xee/0x170 [ 4226.018282][ T1076] __sys_sendmsg+0xcd/0x170 [ 4226.018282][ T1076] do_syscall_64+0xc6/0x1e0 [ 4226.018282][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4226.018282][ T1076] [ 4236.029749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4236.030235][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4236.030235][ T1076] netdev_get_by_index+0x5e/0x80 [ 4236.030235][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4236.030235][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4236.030235][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4236.030235][ T1076] ipv6_add_addr+0x411/0x2000 [ 4236.030235][ T1076] inet6_addr_add+0x30e/0xa40 [ 4236.030235][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4236.030235][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4236.030235][ T1076] netlink_rcv_skb+0x130/0x360 [ 4236.030235][ T1076] netlink_unicast+0x449/0x710 [ 4236.030235][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4236.030235][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4236.030235][ T1076] ___sys_sendmsg+0xee/0x170 [ 4236.030235][ T1076] __sys_sendmsg+0xcd/0x170 [ 4236.030235][ T1076] do_syscall_64+0xc6/0x1e0 [ 4236.030235][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4236.030235][ T1076] [ 4236.032516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4236.032516][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4236.032516][ T1076] ipv6_find_idev+0x102/0x170 [ 4236.032516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4236.032516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4236.032516][ T1076] netlink_rcv_skb+0x130/0x360 [ 4236.032516][ T1076] netlink_unicast+0x449/0x710 [ 4236.032516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4236.032516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4236.032516][ T1076] ___sys_sendmsg+0xee/0x170 [ 4236.032516][ T1076] __sys_sendmsg+0xcd/0x170 [ 4236.032516][ T1076] do_syscall_64+0xc6/0x1e0 [ 4236.032516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4236.032516][ T1076] [ 4236.034858][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4236.034858][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4236.034858][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4236.034858][ T1076] ipv6_find_idev+0x102/0x170 [ 4236.034858][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4236.034858][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4236.034858][ T1076] netlink_rcv_skb+0x130/0x360 [ 4236.034858][ T1076] netlink_unicast+0x449/0x710 [ 4236.034858][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4236.034858][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4236.034858][ T1076] ___sys_sendmsg+0xee/0x170 [ 4236.034858][ T1076] __sys_sendmsg+0xcd/0x170 [ 4236.034858][ T1076] do_syscall_64+0xc6/0x1e0 [ 4236.034858][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4236.034858][ T1076] [ 4246.277670][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4246.278214][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4246.278214][ T1076] netdev_get_by_index+0x5e/0x80 [ 4246.278214][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4246.278214][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4246.278214][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4246.278214][ T1076] ipv6_add_addr+0x411/0x2000 [ 4246.278214][ T1076] inet6_addr_add+0x30e/0xa40 [ 4246.278214][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4246.278214][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4246.278214][ T1076] netlink_rcv_skb+0x130/0x360 [ 4246.278214][ T1076] netlink_unicast+0x449/0x710 [ 4246.278214][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4246.278214][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4246.278214][ T1076] ___sys_sendmsg+0xee/0x170 [ 4246.278214][ T1076] __sys_sendmsg+0xcd/0x170 [ 4246.278214][ T1076] do_syscall_64+0xc6/0x1e0 [ 4246.278214][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4246.278214][ T1076] [ 4246.280506][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4246.280506][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4246.280506][ T1076] ipv6_find_idev+0x102/0x170 [ 4246.280506][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4246.280506][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4246.280506][ T1076] netlink_rcv_skb+0x130/0x360 [ 4246.280506][ T1076] netlink_unicast+0x449/0x710 [ 4246.280506][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4246.280506][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4246.280506][ T1076] ___sys_sendmsg+0xee/0x170 [ 4246.280506][ T1076] __sys_sendmsg+0xcd/0x170 [ 4246.280506][ T1076] do_syscall_64+0xc6/0x1e0 [ 4246.280506][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4246.280506][ T1076] [ 4246.282248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4246.282248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4246.282248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4246.282248][ T1076] ipv6_find_idev+0x102/0x170 [ 4246.282248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4246.282248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4246.282248][ T1076] netlink_rcv_skb+0x130/0x360 [ 4246.282248][ T1076] netlink_unicast+0x449/0x710 [ 4246.282248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4246.282248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4246.282248][ T1076] ___sys_sendmsg+0xee/0x170 [ 4246.282248][ T1076] __sys_sendmsg+0xcd/0x170 [ 4246.282248][ T1076] do_syscall_64+0xc6/0x1e0 [ 4246.282248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4246.282248][ T1076] [ 4256.525680][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4256.526153][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4256.526153][ T1076] netdev_get_by_index+0x5e/0x80 [ 4256.526153][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4256.526153][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4256.526153][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4256.526153][ T1076] ipv6_add_addr+0x411/0x2000 [ 4256.526153][ T1076] inet6_addr_add+0x30e/0xa40 [ 4256.526153][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4256.526153][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.526153][ T1076] netlink_rcv_skb+0x130/0x360 [ 4256.526153][ T1076] netlink_unicast+0x449/0x710 [ 4256.526153][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4256.526153][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4256.526153][ T1076] ___sys_sendmsg+0xee/0x170 [ 4256.526153][ T1076] __sys_sendmsg+0xcd/0x170 [ 4256.526153][ T1076] do_syscall_64+0xc6/0x1e0 [ 4256.526153][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.526153][ T1076] [ 4256.529092][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4256.529092][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4256.529092][ T1076] ipv6_find_idev+0x102/0x170 [ 4256.529092][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4256.529092][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.529092][ T1076] netlink_rcv_skb+0x130/0x360 [ 4256.529092][ T1076] netlink_unicast+0x449/0x710 [ 4256.529092][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4256.529092][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4256.529092][ T1076] ___sys_sendmsg+0xee/0x170 [ 4256.529092][ T1076] __sys_sendmsg+0xcd/0x170 [ 4256.529092][ T1076] do_syscall_64+0xc6/0x1e0 [ 4256.529092][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.529092][ T1076] [ 4256.530996][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4256.530996][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4256.530996][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4256.530996][ T1076] ipv6_find_idev+0x102/0x170 [ 4256.530996][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4256.530996][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.530996][ T1076] netlink_rcv_skb+0x130/0x360 [ 4256.530996][ T1076] netlink_unicast+0x449/0x710 [ 4256.530996][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4256.530996][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4256.530996][ T1076] ___sys_sendmsg+0xee/0x170 [ 4256.530996][ T1076] __sys_sendmsg+0xcd/0x170 [ 4256.530996][ T1076] do_syscall_64+0xc6/0x1e0 [ 4256.530996][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.530996][ T1076] [ 4266.589673][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4266.590142][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4266.590142][ T1076] netdev_get_by_index+0x5e/0x80 [ 4266.590142][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4266.590142][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4266.590142][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4266.590142][ T1076] ipv6_add_addr+0x411/0x2000 [ 4266.590142][ T1076] inet6_addr_add+0x30e/0xa40 [ 4266.590142][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.590142][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.590142][ T1076] netlink_rcv_skb+0x130/0x360 [ 4266.590142][ T1076] netlink_unicast+0x449/0x710 [ 4266.590142][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4266.590142][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4266.590142][ T1076] ___sys_sendmsg+0xee/0x170 [ 4266.590142][ T1076] __sys_sendmsg+0xcd/0x170 [ 4266.590142][ T1076] do_syscall_64+0xc6/0x1e0 [ 4266.590142][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.590142][ T1076] [ 4266.592446][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4266.592446][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4266.592446][ T1076] ipv6_find_idev+0x102/0x170 [ 4266.592446][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.592446][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.592446][ T1076] netlink_rcv_skb+0x130/0x360 [ 4266.592446][ T1076] netlink_unicast+0x449/0x710 [ 4266.592446][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4266.592446][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4266.592446][ T1076] ___sys_sendmsg+0xee/0x170 [ 4266.592446][ T1076] __sys_sendmsg+0xcd/0x170 [ 4266.592446][ T1076] do_syscall_64+0xc6/0x1e0 [ 4266.592446][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.592446][ T1076] [ 4266.594191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4266.594191][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4266.594191][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4266.594191][ T1076] ipv6_find_idev+0x102/0x170 [ 4266.594191][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.594191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.594191][ T1076] netlink_rcv_skb+0x130/0x360 [ 4266.594191][ T1076] netlink_unicast+0x449/0x710 [ 4266.594191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4266.594191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4266.594191][ T1076] ___sys_sendmsg+0xee/0x170 [ 4266.594191][ T1076] __sys_sendmsg+0xcd/0x170 [ 4266.594191][ T1076] do_syscall_64+0xc6/0x1e0 [ 4266.594191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.594191][ T1076] [ 4276.637721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4276.638233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4276.638233][ T1076] netdev_get_by_index+0x5e/0x80 [ 4276.638233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4276.638233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4276.638233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4276.638233][ T1076] ipv6_add_addr+0x411/0x2000 [ 4276.638233][ T1076] inet6_addr_add+0x30e/0xa40 [ 4276.638233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.638233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.638233][ T1076] netlink_rcv_skb+0x130/0x360 [ 4276.638233][ T1076] netlink_unicast+0x449/0x710 [ 4276.638233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4276.638233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4276.638233][ T1076] ___sys_sendmsg+0xee/0x170 [ 4276.638233][ T1076] __sys_sendmsg+0xcd/0x170 [ 4276.638233][ T1076] do_syscall_64+0xc6/0x1e0 [ 4276.638233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.638233][ T1076] [ 4276.640499][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4276.640499][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4276.640499][ T1076] ipv6_find_idev+0x102/0x170 [ 4276.640499][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.640499][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.640499][ T1076] netlink_rcv_skb+0x130/0x360 [ 4276.640499][ T1076] netlink_unicast+0x449/0x710 [ 4276.640499][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4276.640499][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4276.640499][ T1076] ___sys_sendmsg+0xee/0x170 [ 4276.640499][ T1076] __sys_sendmsg+0xcd/0x170 [ 4276.640499][ T1076] do_syscall_64+0xc6/0x1e0 [ 4276.640499][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.640499][ T1076] [ 4276.642228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4276.642228][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4276.642228][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4276.642228][ T1076] ipv6_find_idev+0x102/0x170 [ 4276.642228][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.642228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.642228][ T1076] netlink_rcv_skb+0x130/0x360 [ 4276.642228][ T1076] netlink_unicast+0x449/0x710 [ 4276.642228][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4276.642228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4276.642228][ T1076] ___sys_sendmsg+0xee/0x170 [ 4276.642228][ T1076] __sys_sendmsg+0xcd/0x170 [ 4276.642228][ T1076] do_syscall_64+0xc6/0x1e0 [ 4276.642228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.642228][ T1076] [ 4286.701764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4286.702482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4286.702482][ T1076] netdev_get_by_index+0x5e/0x80 [ 4286.702482][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4286.702482][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4286.702482][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4286.702482][ T1076] ipv6_add_addr+0x411/0x2000 [ 4286.702482][ T1076] inet6_addr_add+0x30e/0xa40 [ 4286.702482][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.702482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.702482][ T1076] netlink_rcv_skb+0x130/0x360 [ 4286.702482][ T1076] netlink_unicast+0x449/0x710 [ 4286.702482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4286.702482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4286.702482][ T1076] ___sys_sendmsg+0xee/0x170 [ 4286.702482][ T1076] __sys_sendmsg+0xcd/0x170 [ 4286.702482][ T1076] do_syscall_64+0xc6/0x1e0 [ 4286.702482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.702482][ T1076] [ 4286.706077][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4286.706077][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4286.706077][ T1076] ipv6_find_idev+0x102/0x170 [ 4286.706077][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.706077][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.706077][ T1076] netlink_rcv_skb+0x130/0x360 [ 4286.706077][ T1076] netlink_unicast+0x449/0x710 [ 4286.706077][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4286.706077][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4286.706077][ T1076] ___sys_sendmsg+0xee/0x170 [ 4286.706077][ T1076] __sys_sendmsg+0xcd/0x170 [ 4286.706077][ T1076] do_syscall_64+0xc6/0x1e0 [ 4286.706077][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.706077][ T1076] [ 4286.708818][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4286.708818][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4286.708818][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4286.708818][ T1076] ipv6_find_idev+0x102/0x170 [ 4286.708818][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.708818][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.708818][ T1076] netlink_rcv_skb+0x130/0x360 [ 4286.708818][ T1076] netlink_unicast+0x449/0x710 [ 4286.708818][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4286.708818][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4286.708818][ T1076] ___sys_sendmsg+0xee/0x170 [ 4286.708818][ T1076] __sys_sendmsg+0xcd/0x170 [ 4286.708818][ T1076] do_syscall_64+0xc6/0x1e0 [ 4286.708818][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.708818][ T1076] [ 4296.757770][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4296.758289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4296.758289][ T1076] netdev_get_by_index+0x5e/0x80 [ 4296.758289][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4296.758289][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4296.758289][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4296.758289][ T1076] ipv6_add_addr+0x411/0x2000 [ 4296.758289][ T1076] inet6_addr_add+0x30e/0xa40 [ 4296.758289][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.758289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.758289][ T1076] netlink_rcv_skb+0x130/0x360 [ 4296.758289][ T1076] netlink_unicast+0x449/0x710 [ 4296.758289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4296.758289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4296.758289][ T1076] ___sys_sendmsg+0xee/0x170 [ 4296.758289][ T1076] __sys_sendmsg+0xcd/0x170 [ 4296.758289][ T1076] do_syscall_64+0xc6/0x1e0 [ 4296.758289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.758289][ T1076] [ 4296.760573][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4296.760573][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4296.760573][ T1076] ipv6_find_idev+0x102/0x170 [ 4296.760573][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.760573][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.760573][ T1076] netlink_rcv_skb+0x130/0x360 [ 4296.760573][ T1076] netlink_unicast+0x449/0x710 [ 4296.760573][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4296.760573][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4296.760573][ T1076] ___sys_sendmsg+0xee/0x170 [ 4296.760573][ T1076] __sys_sendmsg+0xcd/0x170 [ 4296.760573][ T1076] do_syscall_64+0xc6/0x1e0 [ 4296.760573][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.760573][ T1076] [ 4296.762306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4296.762306][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4296.762306][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4296.762306][ T1076] ipv6_find_idev+0x102/0x170 [ 4296.762306][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.762306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.762306][ T1076] netlink_rcv_skb+0x130/0x360 [ 4296.762306][ T1076] netlink_unicast+0x449/0x710 [ 4296.762306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4296.762306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4296.762306][ T1076] ___sys_sendmsg+0xee/0x170 [ 4296.762306][ T1076] __sys_sendmsg+0xcd/0x170 [ 4296.762306][ T1076] do_syscall_64+0xc6/0x1e0 [ 4296.762306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.762306][ T1076] [ 4306.837791][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4306.838304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4306.838304][ T1076] netdev_get_by_index+0x5e/0x80 [ 4306.838304][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4306.838304][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4306.838304][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4306.838304][ T1076] ipv6_add_addr+0x411/0x2000 [ 4306.838304][ T1076] inet6_addr_add+0x30e/0xa40 [ 4306.838304][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.838304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.838304][ T1076] netlink_rcv_skb+0x130/0x360 [ 4306.838304][ T1076] netlink_unicast+0x449/0x710 [ 4306.838304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4306.838304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4306.838304][ T1076] ___sys_sendmsg+0xee/0x170 [ 4306.838304][ T1076] __sys_sendmsg+0xcd/0x170 [ 4306.838304][ T1076] do_syscall_64+0xc6/0x1e0 [ 4306.838304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.838304][ T1076] [ 4306.840574][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4306.840574][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4306.840574][ T1076] ipv6_find_idev+0x102/0x170 [ 4306.840574][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.840574][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.840574][ T1076] netlink_rcv_skb+0x130/0x360 [ 4306.840574][ T1076] netlink_unicast+0x449/0x710 [ 4306.840574][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4306.840574][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4306.840574][ T1076] ___sys_sendmsg+0xee/0x170 [ 4306.840574][ T1076] __sys_sendmsg+0xcd/0x170 [ 4306.840574][ T1076] do_syscall_64+0xc6/0x1e0 [ 4306.840574][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.840574][ T1076] [ 4306.842302][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4306.842302][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4306.842302][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4306.842302][ T1076] ipv6_find_idev+0x102/0x170 [ 4306.842302][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.842302][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.842302][ T1076] netlink_rcv_skb+0x130/0x360 [ 4306.842302][ T1076] netlink_unicast+0x449/0x710 [ 4306.842302][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4306.842302][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4306.842302][ T1076] ___sys_sendmsg+0xee/0x170 [ 4306.842302][ T1076] __sys_sendmsg+0xcd/0x170 [ 4306.842302][ T1076] do_syscall_64+0xc6/0x1e0 [ 4306.842302][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.842302][ T1076] [ 4317.053682][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4317.054230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4317.054230][ T1076] netdev_get_by_index+0x5e/0x80 [ 4317.054230][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4317.054230][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4317.054230][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4317.054230][ T1076] ipv6_add_addr+0x411/0x2000 [ 4317.054230][ T1076] inet6_addr_add+0x30e/0xa40 [ 4317.054230][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.054230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.054230][ T1076] netlink_rcv_skb+0x130/0x360 [ 4317.054230][ T1076] netlink_unicast+0x449/0x710 [ 4317.054230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4317.054230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4317.054230][ T1076] ___sys_sendmsg+0xee/0x170 [ 4317.054230][ T1076] __sys_sendmsg+0xcd/0x170 [ 4317.054230][ T1076] do_syscall_64+0xc6/0x1e0 [ 4317.054230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.054230][ T1076] [ 4317.056528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4317.056528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4317.056528][ T1076] ipv6_find_idev+0x102/0x170 [ 4317.056528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.056528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.056528][ T1076] netlink_rcv_skb+0x130/0x360 [ 4317.056528][ T1076] netlink_unicast+0x449/0x710 [ 4317.056528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4317.056528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4317.056528][ T1076] ___sys_sendmsg+0xee/0x170 [ 4317.056528][ T1076] __sys_sendmsg+0xcd/0x170 [ 4317.056528][ T1076] do_syscall_64+0xc6/0x1e0 [ 4317.056528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.056528][ T1076] [ 4317.058300][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4317.058300][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4317.058300][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4317.058300][ T1076] ipv6_find_idev+0x102/0x170 [ 4317.058300][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.058300][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.058300][ T1076] netlink_rcv_skb+0x130/0x360 [ 4317.058300][ T1076] netlink_unicast+0x449/0x710 [ 4317.058300][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4317.058300][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4317.058300][ T1076] ___sys_sendmsg+0xee/0x170 [ 4317.058300][ T1076] __sys_sendmsg+0xcd/0x170 [ 4317.058300][ T1076] do_syscall_64+0xc6/0x1e0 [ 4317.058300][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.058300][ T1076] [ 4327.093674][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4327.094221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4327.094221][ T1076] netdev_get_by_index+0x5e/0x80 [ 4327.094221][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4327.094221][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4327.094221][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4327.094221][ T1076] ipv6_add_addr+0x411/0x2000 [ 4327.094221][ T1076] inet6_addr_add+0x30e/0xa40 [ 4327.094221][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.094221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.094221][ T1076] netlink_rcv_skb+0x130/0x360 [ 4327.094221][ T1076] netlink_unicast+0x449/0x710 [ 4327.094221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4327.094221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4327.094221][ T1076] ___sys_sendmsg+0xee/0x170 [ 4327.094221][ T1076] __sys_sendmsg+0xcd/0x170 [ 4327.094221][ T1076] do_syscall_64+0xc6/0x1e0 [ 4327.094221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.094221][ T1076] [ 4327.096528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4327.096528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4327.096528][ T1076] ipv6_find_idev+0x102/0x170 [ 4327.096528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.096528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.096528][ T1076] netlink_rcv_skb+0x130/0x360 [ 4327.096528][ T1076] netlink_unicast+0x449/0x710 [ 4327.096528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4327.096528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4327.096528][ T1076] ___sys_sendmsg+0xee/0x170 [ 4327.096528][ T1076] __sys_sendmsg+0xcd/0x170 [ 4327.096528][ T1076] do_syscall_64+0xc6/0x1e0 [ 4327.096528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.096528][ T1076] [ 4327.098290][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4327.098290][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4327.098290][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4327.098290][ T1076] ipv6_find_idev+0x102/0x170 [ 4327.098290][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.098290][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.098290][ T1076] netlink_rcv_skb+0x130/0x360 [ 4327.098290][ T1076] netlink_unicast+0x449/0x710 [ 4327.098290][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4327.098290][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4327.098290][ T1076] ___sys_sendmsg+0xee/0x170 [ 4327.098290][ T1076] __sys_sendmsg+0xcd/0x170 [ 4327.098290][ T1076] do_syscall_64+0xc6/0x1e0 [ 4327.098290][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.098290][ T1076] [ 4337.141713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4337.142203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4337.142203][ T1076] netdev_get_by_index+0x5e/0x80 [ 4337.142203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4337.142203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4337.142203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4337.142203][ T1076] ipv6_add_addr+0x411/0x2000 [ 4337.142203][ T1076] inet6_addr_add+0x30e/0xa40 [ 4337.142203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.142203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.142203][ T1076] netlink_rcv_skb+0x130/0x360 [ 4337.142203][ T1076] netlink_unicast+0x449/0x710 [ 4337.142203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4337.142203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4337.142203][ T1076] ___sys_sendmsg+0xee/0x170 [ 4337.142203][ T1076] __sys_sendmsg+0xcd/0x170 [ 4337.142203][ T1076] do_syscall_64+0xc6/0x1e0 [ 4337.142203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.142203][ T1076] [ 4337.144528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4337.144528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4337.144528][ T1076] ipv6_find_idev+0x102/0x170 [ 4337.144528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.144528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.144528][ T1076] netlink_rcv_skb+0x130/0x360 [ 4337.144528][ T1076] netlink_unicast+0x449/0x710 [ 4337.144528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4337.144528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4337.144528][ T1076] ___sys_sendmsg+0xee/0x170 [ 4337.144528][ T1076] __sys_sendmsg+0xcd/0x170 [ 4337.144528][ T1076] do_syscall_64+0xc6/0x1e0 [ 4337.144528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.144528][ T1076] [ 4337.146294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4337.146294][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4337.146294][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4337.146294][ T1076] ipv6_find_idev+0x102/0x170 [ 4337.146294][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.146294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.146294][ T1076] netlink_rcv_skb+0x130/0x360 [ 4337.146294][ T1076] netlink_unicast+0x449/0x710 [ 4337.146294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4337.146294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4337.146294][ T1076] ___sys_sendmsg+0xee/0x170 [ 4337.146294][ T1076] __sys_sendmsg+0xcd/0x170 [ 4337.146294][ T1076] do_syscall_64+0xc6/0x1e0 [ 4337.146294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.146294][ T1076] [ 4347.389678][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4347.390225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4347.390225][ T1076] netdev_get_by_index+0x5e/0x80 [ 4347.390225][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4347.390225][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4347.390225][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4347.390225][ T1076] ipv6_add_addr+0x411/0x2000 [ 4347.390225][ T1076] inet6_addr_add+0x30e/0xa40 [ 4347.390225][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.390225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.390225][ T1076] netlink_rcv_skb+0x130/0x360 [ 4347.390225][ T1076] netlink_unicast+0x449/0x710 [ 4347.390225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4347.390225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4347.390225][ T1076] ___sys_sendmsg+0xee/0x170 [ 4347.390225][ T1076] __sys_sendmsg+0xcd/0x170 [ 4347.390225][ T1076] do_syscall_64+0xc6/0x1e0 [ 4347.390225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.390225][ T1076] [ 4347.392592][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4347.392592][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4347.392592][ T1076] ipv6_find_idev+0x102/0x170 [ 4347.392592][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.392592][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.392592][ T1076] netlink_rcv_skb+0x130/0x360 [ 4347.392592][ T1076] netlink_unicast+0x449/0x710 [ 4347.392592][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4347.392592][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4347.392592][ T1076] ___sys_sendmsg+0xee/0x170 [ 4347.392592][ T1076] __sys_sendmsg+0xcd/0x170 [ 4347.392592][ T1076] do_syscall_64+0xc6/0x1e0 [ 4347.392592][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.392592][ T1076] [ 4347.394495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4347.394495][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4347.394495][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4347.394495][ T1076] ipv6_find_idev+0x102/0x170 [ 4347.394495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.394495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.394495][ T1076] netlink_rcv_skb+0x130/0x360 [ 4347.394495][ T1076] netlink_unicast+0x449/0x710 [ 4347.394495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4347.394495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4347.394495][ T1076] ___sys_sendmsg+0xee/0x170 [ 4347.394495][ T1076] __sys_sendmsg+0xcd/0x170 [ 4347.394495][ T1076] do_syscall_64+0xc6/0x1e0 [ 4347.394495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.394495][ T1076] [ 4357.637691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4357.638236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4357.638236][ T1076] netdev_get_by_index+0x5e/0x80 [ 4357.638236][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4357.638236][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4357.638236][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4357.638236][ T1076] ipv6_add_addr+0x411/0x2000 [ 4357.638236][ T1076] inet6_addr_add+0x30e/0xa40 [ 4357.638236][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.638236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.638236][ T1076] netlink_rcv_skb+0x130/0x360 [ 4357.638236][ T1076] netlink_unicast+0x449/0x710 [ 4357.638236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4357.638236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4357.638236][ T1076] ___sys_sendmsg+0xee/0x170 [ 4357.638236][ T1076] __sys_sendmsg+0xcd/0x170 [ 4357.638236][ T1076] do_syscall_64+0xc6/0x1e0 [ 4357.638236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.638236][ T1076] [ 4357.640600][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4357.640600][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4357.640600][ T1076] ipv6_find_idev+0x102/0x170 [ 4357.640600][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.640600][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.640600][ T1076] netlink_rcv_skb+0x130/0x360 [ 4357.640600][ T1076] netlink_unicast+0x449/0x710 [ 4357.640600][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4357.640600][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4357.640600][ T1076] ___sys_sendmsg+0xee/0x170 [ 4357.640600][ T1076] __sys_sendmsg+0xcd/0x170 [ 4357.640600][ T1076] do_syscall_64+0xc6/0x1e0 [ 4357.640600][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.640600][ T1076] [ 4357.642432][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4357.642432][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4357.642432][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4357.642432][ T1076] ipv6_find_idev+0x102/0x170 [ 4357.642432][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.642432][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.642432][ T1076] netlink_rcv_skb+0x130/0x360 [ 4357.642432][ T1076] netlink_unicast+0x449/0x710 [ 4357.642432][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4357.642432][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4357.642432][ T1076] ___sys_sendmsg+0xee/0x170 [ 4357.642432][ T1076] __sys_sendmsg+0xcd/0x170 [ 4357.642432][ T1076] do_syscall_64+0xc6/0x1e0 [ 4357.642432][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.642432][ T1076] [ 4367.677719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4367.678233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4367.678233][ T1076] netdev_get_by_index+0x5e/0x80 [ 4367.678233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4367.678233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4367.678233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4367.678233][ T1076] ipv6_add_addr+0x411/0x2000 [ 4367.678233][ T1076] inet6_addr_add+0x30e/0xa40 [ 4367.678233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.678233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.678233][ T1076] netlink_rcv_skb+0x130/0x360 [ 4367.678233][ T1076] netlink_unicast+0x449/0x710 [ 4367.678233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4367.678233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4367.678233][ T1076] ___sys_sendmsg+0xee/0x170 [ 4367.678233][ T1076] __sys_sendmsg+0xcd/0x170 [ 4367.678233][ T1076] do_syscall_64+0xc6/0x1e0 [ 4367.678233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.678233][ T1076] [ 4367.680897][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4367.680897][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4367.680897][ T1076] ipv6_find_idev+0x102/0x170 [ 4367.680897][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.680897][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.680897][ T1076] netlink_rcv_skb+0x130/0x360 [ 4367.680897][ T1076] netlink_unicast+0x449/0x710 [ 4367.680897][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4367.680897][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4367.680897][ T1076] ___sys_sendmsg+0xee/0x170 [ 4367.680897][ T1076] __sys_sendmsg+0xcd/0x170 [ 4367.680897][ T1076] do_syscall_64+0xc6/0x1e0 [ 4367.680897][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.680897][ T1076] [ 4367.682744][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4367.682744][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4367.682744][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4367.682744][ T1076] ipv6_find_idev+0x102/0x170 [ 4367.682744][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.682744][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.682744][ T1076] netlink_rcv_skb+0x130/0x360 [ 4367.682744][ T1076] netlink_unicast+0x449/0x710 [ 4367.682744][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4367.682744][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4367.682744][ T1076] ___sys_sendmsg+0xee/0x170 [ 4367.682744][ T1076] __sys_sendmsg+0xcd/0x170 [ 4367.682744][ T1076] do_syscall_64+0xc6/0x1e0 [ 4367.682744][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.682744][ T1076] [ 4377.909653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4377.910137][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4377.910137][ T1076] netdev_get_by_index+0x5e/0x80 [ 4377.910137][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4377.910137][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4377.910137][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4377.910137][ T1076] ipv6_add_addr+0x411/0x2000 [ 4377.910137][ T1076] inet6_addr_add+0x30e/0xa40 [ 4377.910137][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.910137][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.910137][ T1076] netlink_rcv_skb+0x130/0x360 [ 4377.910137][ T1076] netlink_unicast+0x449/0x710 [ 4377.910137][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4377.910137][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4377.910137][ T1076] ___sys_sendmsg+0xee/0x170 [ 4377.910137][ T1076] __sys_sendmsg+0xcd/0x170 [ 4377.910137][ T1076] do_syscall_64+0xc6/0x1e0 [ 4377.910137][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.910137][ T1076] [ 4377.912543][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4377.912543][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4377.912543][ T1076] ipv6_find_idev+0x102/0x170 [ 4377.912543][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.912543][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.912543][ T1076] netlink_rcv_skb+0x130/0x360 [ 4377.912543][ T1076] netlink_unicast+0x449/0x710 [ 4377.912543][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4377.912543][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4377.912543][ T1076] ___sys_sendmsg+0xee/0x170 [ 4377.912543][ T1076] __sys_sendmsg+0xcd/0x170 [ 4377.912543][ T1076] do_syscall_64+0xc6/0x1e0 [ 4377.912543][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.912543][ T1076] [ 4377.914332][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4377.914332][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4377.914332][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4377.914332][ T1076] ipv6_find_idev+0x102/0x170 [ 4377.914332][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.914332][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.914332][ T1076] netlink_rcv_skb+0x130/0x360 [ 4377.914332][ T1076] netlink_unicast+0x449/0x710 [ 4377.914332][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4377.914332][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4377.914332][ T1076] ___sys_sendmsg+0xee/0x170 [ 4377.914332][ T1076] __sys_sendmsg+0xcd/0x170 [ 4377.914332][ T1076] do_syscall_64+0xc6/0x1e0 [ 4377.914332][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.914332][ T1076] [ 4388.117777][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4388.118338][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4388.118338][ T1076] netdev_get_by_index+0x5e/0x80 [ 4388.118338][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4388.118338][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4388.118338][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4388.118338][ T1076] ipv6_add_addr+0x411/0x2000 [ 4388.118338][ T1076] inet6_addr_add+0x30e/0xa40 [ 4388.118338][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.118338][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.118338][ T1076] netlink_rcv_skb+0x130/0x360 [ 4388.118338][ T1076] netlink_unicast+0x449/0x710 [ 4388.118338][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4388.118338][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4388.118338][ T1076] ___sys_sendmsg+0xee/0x170 [ 4388.118338][ T1076] __sys_sendmsg+0xcd/0x170 [ 4388.118338][ T1076] do_syscall_64+0xc6/0x1e0 [ 4388.118338][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.118338][ T1076] [ 4388.120761][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4388.120761][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4388.120761][ T1076] ipv6_find_idev+0x102/0x170 [ 4388.120761][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.120761][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.120761][ T1076] netlink_rcv_skb+0x130/0x360 [ 4388.120761][ T1076] netlink_unicast+0x449/0x710 [ 4388.120761][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4388.120761][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4388.120761][ T1076] ___sys_sendmsg+0xee/0x170 [ 4388.120761][ T1076] __sys_sendmsg+0xcd/0x170 [ 4388.120761][ T1076] do_syscall_64+0xc6/0x1e0 [ 4388.120761][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.120761][ T1076] [ 4388.122652][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4388.122652][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4388.122652][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4388.122652][ T1076] ipv6_find_idev+0x102/0x170 [ 4388.122652][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.122652][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.122652][ T1076] netlink_rcv_skb+0x130/0x360 [ 4388.122652][ T1076] netlink_unicast+0x449/0x710 [ 4388.122652][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4388.122652][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4388.122652][ T1076] ___sys_sendmsg+0xee/0x170 [ 4388.122652][ T1076] __sys_sendmsg+0xcd/0x170 [ 4388.122652][ T1076] do_syscall_64+0xc6/0x1e0 [ 4388.122652][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.122652][ T1076] [ 4398.165738][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4398.166237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4398.166237][ T1076] netdev_get_by_index+0x5e/0x80 [ 4398.166237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4398.166237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4398.166237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4398.166237][ T1076] ipv6_add_addr+0x411/0x2000 [ 4398.166237][ T1076] inet6_addr_add+0x30e/0xa40 [ 4398.166237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.166237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.166237][ T1076] netlink_rcv_skb+0x130/0x360 [ 4398.166237][ T1076] netlink_unicast+0x449/0x710 [ 4398.166237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4398.166237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4398.166237][ T1076] ___sys_sendmsg+0xee/0x170 [ 4398.166237][ T1076] __sys_sendmsg+0xcd/0x170 [ 4398.166237][ T1076] do_syscall_64+0xc6/0x1e0 [ 4398.166237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.166237][ T1076] [ 4398.168523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4398.168523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4398.168523][ T1076] ipv6_find_idev+0x102/0x170 [ 4398.168523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.168523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.168523][ T1076] netlink_rcv_skb+0x130/0x360 [ 4398.168523][ T1076] netlink_unicast+0x449/0x710 [ 4398.168523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4398.168523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4398.168523][ T1076] ___sys_sendmsg+0xee/0x170 [ 4398.168523][ T1076] __sys_sendmsg+0xcd/0x170 [ 4398.168523][ T1076] do_syscall_64+0xc6/0x1e0 [ 4398.168523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.168523][ T1076] [ 4398.170272][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4398.170272][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4398.170272][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4398.170272][ T1076] ipv6_find_idev+0x102/0x170 [ 4398.170272][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.170272][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.170272][ T1076] netlink_rcv_skb+0x130/0x360 [ 4398.170272][ T1076] netlink_unicast+0x449/0x710 [ 4398.170272][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4398.170272][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4398.170272][ T1076] ___sys_sendmsg+0xee/0x170 [ 4398.170272][ T1076] __sys_sendmsg+0xcd/0x170 [ 4398.170272][ T1076] do_syscall_64+0xc6/0x1e0 [ 4398.170272][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.170272][ T1076] [ 4408.213697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4408.214251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4408.214251][ T1076] netdev_get_by_index+0x5e/0x80 [ 4408.214251][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4408.214251][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4408.214251][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4408.214251][ T1076] ipv6_add_addr+0x411/0x2000 [ 4408.214251][ T1076] inet6_addr_add+0x30e/0xa40 [ 4408.214251][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.214251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.214251][ T1076] netlink_rcv_skb+0x130/0x360 [ 4408.214251][ T1076] netlink_unicast+0x449/0x710 [ 4408.214251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4408.214251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4408.214251][ T1076] ___sys_sendmsg+0xee/0x170 [ 4408.214251][ T1076] __sys_sendmsg+0xcd/0x170 [ 4408.214251][ T1076] do_syscall_64+0xc6/0x1e0 [ 4408.214251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.214251][ T1076] [ 4408.216592][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4408.216592][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4408.216592][ T1076] ipv6_find_idev+0x102/0x170 [ 4408.216592][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.216592][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.216592][ T1076] netlink_rcv_skb+0x130/0x360 [ 4408.216592][ T1076] netlink_unicast+0x449/0x710 [ 4408.216592][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4408.216592][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4408.216592][ T1076] ___sys_sendmsg+0xee/0x170 [ 4408.216592][ T1076] __sys_sendmsg+0xcd/0x170 [ 4408.216592][ T1076] do_syscall_64+0xc6/0x1e0 [ 4408.216592][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.216592][ T1076] [ 4408.218335][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4408.218335][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4408.218335][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4408.218335][ T1076] ipv6_find_idev+0x102/0x170 [ 4408.218335][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.218335][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.218335][ T1076] netlink_rcv_skb+0x130/0x360 [ 4408.218335][ T1076] netlink_unicast+0x449/0x710 [ 4408.218335][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4408.218335][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4408.218335][ T1076] ___sys_sendmsg+0xee/0x170 [ 4408.218335][ T1076] __sys_sendmsg+0xcd/0x170 [ 4408.218335][ T1076] do_syscall_64+0xc6/0x1e0 [ 4408.218335][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.218335][ T1076] [ 4418.469732][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4418.470275][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4418.470275][ T1076] netdev_get_by_index+0x5e/0x80 [ 4418.470275][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4418.470275][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4418.470275][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4418.470275][ T1076] ipv6_add_addr+0x411/0x2000 [ 4418.470275][ T1076] inet6_addr_add+0x30e/0xa40 [ 4418.470275][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.470275][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.470275][ T1076] netlink_rcv_skb+0x130/0x360 [ 4418.470275][ T1076] netlink_unicast+0x449/0x710 [ 4418.470275][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4418.470275][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4418.470275][ T1076] ___sys_sendmsg+0xee/0x170 [ 4418.470275][ T1076] __sys_sendmsg+0xcd/0x170 [ 4418.470275][ T1076] do_syscall_64+0xc6/0x1e0 [ 4418.470275][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.470275][ T1076] [ 4418.472673][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4418.472673][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4418.472673][ T1076] ipv6_find_idev+0x102/0x170 [ 4418.472673][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.472673][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.472673][ T1076] netlink_rcv_skb+0x130/0x360 [ 4418.472673][ T1076] netlink_unicast+0x449/0x710 [ 4418.472673][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4418.472673][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4418.472673][ T1076] ___sys_sendmsg+0xee/0x170 [ 4418.472673][ T1076] __sys_sendmsg+0xcd/0x170 [ 4418.472673][ T1076] do_syscall_64+0xc6/0x1e0 [ 4418.472673][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.472673][ T1076] [ 4418.474515][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4418.474515][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4418.474515][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4418.474515][ T1076] ipv6_find_idev+0x102/0x170 [ 4418.474515][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.474515][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.474515][ T1076] netlink_rcv_skb+0x130/0x360 [ 4418.474515][ T1076] netlink_unicast+0x449/0x710 [ 4418.474515][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4418.474515][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4418.474515][ T1076] ___sys_sendmsg+0xee/0x170 [ 4418.474515][ T1076] __sys_sendmsg+0xcd/0x170 [ 4418.474515][ T1076] do_syscall_64+0xc6/0x1e0 [ 4418.474515][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.474515][ T1076] [ 4428.653693][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4428.654282][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4428.654282][ T1076] netdev_get_by_index+0x5e/0x80 [ 4428.654282][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4428.654282][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4428.654282][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4428.654282][ T1076] ipv6_add_addr+0x411/0x2000 [ 4428.654282][ T1076] inet6_addr_add+0x30e/0xa40 [ 4428.654282][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.654282][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.654282][ T1076] netlink_rcv_skb+0x130/0x360 [ 4428.654282][ T1076] netlink_unicast+0x449/0x710 [ 4428.654282][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4428.654282][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4428.654282][ T1076] ___sys_sendmsg+0xee/0x170 [ 4428.654282][ T1076] __sys_sendmsg+0xcd/0x170 [ 4428.654282][ T1076] do_syscall_64+0xc6/0x1e0 [ 4428.654282][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.654282][ T1076] [ 4428.656692][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4428.656692][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4428.656692][ T1076] ipv6_find_idev+0x102/0x170 [ 4428.656692][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.656692][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.656692][ T1076] netlink_rcv_skb+0x130/0x360 [ 4428.656692][ T1076] netlink_unicast+0x449/0x710 [ 4428.656692][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4428.656692][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4428.656692][ T1076] ___sys_sendmsg+0xee/0x170 [ 4428.656692][ T1076] __sys_sendmsg+0xcd/0x170 [ 4428.656692][ T1076] do_syscall_64+0xc6/0x1e0 [ 4428.656692][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.656692][ T1076] [ 4428.658441][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4428.658441][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4428.658441][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4428.658441][ T1076] ipv6_find_idev+0x102/0x170 [ 4428.658441][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.658441][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.658441][ T1076] netlink_rcv_skb+0x130/0x360 [ 4428.658441][ T1076] netlink_unicast+0x449/0x710 [ 4428.658441][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4428.658441][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4428.658441][ T1076] ___sys_sendmsg+0xee/0x170 [ 4428.658441][ T1076] __sys_sendmsg+0xcd/0x170 [ 4428.658441][ T1076] do_syscall_64+0xc6/0x1e0 [ 4428.658441][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.658441][ T1076] [ 4438.781783][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4438.782246][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4438.782246][ T1076] netdev_get_by_index+0x5e/0x80 [ 4438.782246][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4438.782246][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4438.782246][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4438.782246][ T1076] ipv6_add_addr+0x411/0x2000 [ 4438.782246][ T1076] inet6_addr_add+0x30e/0xa40 [ 4438.782246][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.782246][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.782246][ T1076] netlink_rcv_skb+0x130/0x360 [ 4438.782246][ T1076] netlink_unicast+0x449/0x710 [ 4438.782246][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4438.782246][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4438.782246][ T1076] ___sys_sendmsg+0xee/0x170 [ 4438.782246][ T1076] __sys_sendmsg+0xcd/0x170 [ 4438.782246][ T1076] do_syscall_64+0xc6/0x1e0 [ 4438.782246][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.782246][ T1076] [ 4438.784569][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4438.784569][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4438.784569][ T1076] ipv6_find_idev+0x102/0x170 [ 4438.784569][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.784569][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.784569][ T1076] netlink_rcv_skb+0x130/0x360 [ 4438.784569][ T1076] netlink_unicast+0x449/0x710 [ 4438.784569][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4438.784569][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4438.784569][ T1076] ___sys_sendmsg+0xee/0x170 [ 4438.784569][ T1076] __sys_sendmsg+0xcd/0x170 [ 4438.784569][ T1076] do_syscall_64+0xc6/0x1e0 [ 4438.784569][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.784569][ T1076] [ 4438.786304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4438.786304][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4438.786304][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4438.786304][ T1076] ipv6_find_idev+0x102/0x170 [ 4438.786304][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.786304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.786304][ T1076] netlink_rcv_skb+0x130/0x360 [ 4438.786304][ T1076] netlink_unicast+0x449/0x710 [ 4438.786304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4438.786304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4438.786304][ T1076] ___sys_sendmsg+0xee/0x170 [ 4438.786304][ T1076] __sys_sendmsg+0xcd/0x170 [ 4438.786304][ T1076] do_syscall_64+0xc6/0x1e0 [ 4438.786304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.786304][ T1076] [ 4449.029731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4449.030291][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4449.030291][ T1076] netdev_get_by_index+0x5e/0x80 [ 4449.030291][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4449.030291][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4449.030291][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4449.030291][ T1076] ipv6_add_addr+0x411/0x2000 [ 4449.030291][ T1076] inet6_addr_add+0x30e/0xa40 [ 4449.030291][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4449.030291][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.030291][ T1076] netlink_rcv_skb+0x130/0x360 [ 4449.030291][ T1076] netlink_unicast+0x449/0x710 [ 4449.030291][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4449.030291][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4449.030291][ T1076] ___sys_sendmsg+0xee/0x170 [ 4449.030291][ T1076] __sys_sendmsg+0xcd/0x170 [ 4449.030291][ T1076] do_syscall_64+0xc6/0x1e0 [ 4449.030291][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.030291][ T1076] [ 4449.032669][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4449.032669][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4449.032669][ T1076] ipv6_find_idev+0x102/0x170 [ 4449.032669][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4449.032669][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.032669][ T1076] netlink_rcv_skb+0x130/0x360 [ 4449.032669][ T1076] netlink_unicast+0x449/0x710 [ 4449.032669][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4449.032669][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4449.032669][ T1076] ___sys_sendmsg+0xee/0x170 [ 4449.032669][ T1076] __sys_sendmsg+0xcd/0x170 [ 4449.032669][ T1076] do_syscall_64+0xc6/0x1e0 [ 4449.032669][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.032669][ T1076] [ 4449.034463][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4449.034463][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4449.034463][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4449.034463][ T1076] ipv6_find_idev+0x102/0x170 [ 4449.034463][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4449.034463][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.034463][ T1076] netlink_rcv_skb+0x130/0x360 [ 4449.034463][ T1076] netlink_unicast+0x449/0x710 [ 4449.034463][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4449.034463][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4449.034463][ T1076] ___sys_sendmsg+0xee/0x170 [ 4449.034463][ T1076] __sys_sendmsg+0xcd/0x170 [ 4449.034463][ T1076] do_syscall_64+0xc6/0x1e0 [ 4449.034463][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.034463][ T1076] [ 4459.277700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4459.278191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4459.278191][ T1076] netdev_get_by_index+0x5e/0x80 [ 4459.278191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4459.278191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4459.278191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4459.278191][ T1076] ipv6_add_addr+0x411/0x2000 [ 4459.278191][ T1076] inet6_addr_add+0x30e/0xa40 [ 4459.278191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.278191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.278191][ T1076] netlink_rcv_skb+0x130/0x360 [ 4459.278191][ T1076] netlink_unicast+0x449/0x710 [ 4459.278191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4459.278191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4459.278191][ T1076] ___sys_sendmsg+0xee/0x170 [ 4459.278191][ T1076] __sys_sendmsg+0xcd/0x170 [ 4459.278191][ T1076] do_syscall_64+0xc6/0x1e0 [ 4459.278191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.278191][ T1076] [ 4459.280682][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4459.280682][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4459.280682][ T1076] ipv6_find_idev+0x102/0x170 [ 4459.280682][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.280682][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.280682][ T1076] netlink_rcv_skb+0x130/0x360 [ 4459.280682][ T1076] netlink_unicast+0x449/0x710 [ 4459.280682][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4459.280682][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4459.280682][ T1076] ___sys_sendmsg+0xee/0x170 [ 4459.280682][ T1076] __sys_sendmsg+0xcd/0x170 [ 4459.280682][ T1076] do_syscall_64+0xc6/0x1e0 [ 4459.280682][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.280682][ T1076] [ 4459.282604][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4459.282604][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4459.282604][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4459.282604][ T1076] ipv6_find_idev+0x102/0x170 [ 4459.282604][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.282604][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.282604][ T1076] netlink_rcv_skb+0x130/0x360 [ 4459.282604][ T1076] netlink_unicast+0x449/0x710 [ 4459.282604][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4459.282604][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4459.282604][ T1076] ___sys_sendmsg+0xee/0x170 [ 4459.282604][ T1076] __sys_sendmsg+0xcd/0x170 [ 4459.282604][ T1076] do_syscall_64+0xc6/0x1e0 [ 4459.282604][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.282604][ T1076] [ 4469.525753][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4469.526217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4469.526217][ T1076] netdev_get_by_index+0x5e/0x80 [ 4469.526217][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4469.526217][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4469.526217][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4469.526217][ T1076] ipv6_add_addr+0x411/0x2000 [ 4469.526217][ T1076] inet6_addr_add+0x30e/0xa40 [ 4469.526217][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.526217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.526217][ T1076] netlink_rcv_skb+0x130/0x360 [ 4469.526217][ T1076] netlink_unicast+0x449/0x710 [ 4469.526217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4469.526217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4469.526217][ T1076] ___sys_sendmsg+0xee/0x170 [ 4469.526217][ T1076] __sys_sendmsg+0xcd/0x170 [ 4469.526217][ T1076] do_syscall_64+0xc6/0x1e0 [ 4469.526217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.526217][ T1076] [ 4469.528533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4469.528533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4469.528533][ T1076] ipv6_find_idev+0x102/0x170 [ 4469.528533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.528533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.528533][ T1076] netlink_rcv_skb+0x130/0x360 [ 4469.528533][ T1076] netlink_unicast+0x449/0x710 [ 4469.528533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4469.528533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4469.528533][ T1076] ___sys_sendmsg+0xee/0x170 [ 4469.528533][ T1076] __sys_sendmsg+0xcd/0x170 [ 4469.528533][ T1076] do_syscall_64+0xc6/0x1e0 [ 4469.528533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.528533][ T1076] [ 4469.530295][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4469.530295][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4469.530295][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4469.530295][ T1076] ipv6_find_idev+0x102/0x170 [ 4469.530295][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.530295][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.530295][ T1076] netlink_rcv_skb+0x130/0x360 [ 4469.530295][ T1076] netlink_unicast+0x449/0x710 [ 4469.530295][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4469.530295][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4469.530295][ T1076] ___sys_sendmsg+0xee/0x170 [ 4469.530295][ T1076] __sys_sendmsg+0xcd/0x170 [ 4469.530295][ T1076] do_syscall_64+0xc6/0x1e0 [ 4469.530295][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.530295][ T1076] [ 4479.549721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4479.550475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4479.550475][ T1076] netdev_get_by_index+0x5e/0x80 [ 4479.550475][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4479.550475][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4479.550475][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4479.550475][ T1076] ipv6_add_addr+0x411/0x2000 [ 4479.550475][ T1076] inet6_addr_add+0x30e/0xa40 [ 4479.550475][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.550475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.550475][ T1076] netlink_rcv_skb+0x130/0x360 [ 4479.550475][ T1076] netlink_unicast+0x449/0x710 [ 4479.550475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4479.550475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4479.550475][ T1076] ___sys_sendmsg+0xee/0x170 [ 4479.550475][ T1076] __sys_sendmsg+0xcd/0x170 [ 4479.550475][ T1076] do_syscall_64+0xc6/0x1e0 [ 4479.550475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.550475][ T1076] [ 4479.554611][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4479.554611][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4479.554611][ T1076] ipv6_find_idev+0x102/0x170 [ 4479.554611][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.554611][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.554611][ T1076] netlink_rcv_skb+0x130/0x360 [ 4479.554611][ T1076] netlink_unicast+0x449/0x710 [ 4479.554611][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4479.554611][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4479.554611][ T1076] ___sys_sendmsg+0xee/0x170 [ 4479.554611][ T1076] __sys_sendmsg+0xcd/0x170 [ 4479.554611][ T1076] do_syscall_64+0xc6/0x1e0 [ 4479.554611][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.554611][ T1076] [ 4479.557538][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4479.557538][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4479.557538][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4479.557538][ T1076] ipv6_find_idev+0x102/0x170 [ 4479.557538][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.557538][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.557538][ T1076] netlink_rcv_skb+0x130/0x360 [ 4479.557538][ T1076] netlink_unicast+0x449/0x710 [ 4479.557538][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4479.557538][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4479.557538][ T1076] ___sys_sendmsg+0xee/0x170 [ 4479.557538][ T1076] __sys_sendmsg+0xcd/0x170 [ 4479.557538][ T1076] do_syscall_64+0xc6/0x1e0 [ 4479.557538][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.557538][ T1076] [ 4489.797729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4489.798259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4489.798259][ T1076] netdev_get_by_index+0x5e/0x80 [ 4489.798259][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4489.798259][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4489.798259][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4489.798259][ T1076] ipv6_add_addr+0x411/0x2000 [ 4489.798259][ T1076] inet6_addr_add+0x30e/0xa40 [ 4489.798259][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4489.798259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4489.798259][ T1076] netlink_rcv_skb+0x130/0x360 [ 4489.798259][ T1076] netlink_unicast+0x449/0x710 [ 4489.798259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4489.798259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4489.798259][ T1076] ___sys_sendmsg+0xee/0x170 [ 4489.798259][ T1076] __sys_sendmsg+0xcd/0x170 [ 4489.798259][ T1076] do_syscall_64+0xc6/0x1e0 [ 4489.798259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4489.798259][ T1076] [ 4489.800571][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4489.800571][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4489.800571][ T1076] ipv6_find_idev+0x102/0x170 [ 4489.800571][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4489.800571][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4489.800571][ T1076] netlink_rcv_skb+0x130/0x360 [ 4489.800571][ T1076] netlink_unicast+0x449/0x710 [ 4489.800571][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4489.800571][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4489.800571][ T1076] ___sys_sendmsg+0xee/0x170 [ 4489.800571][ T1076] __sys_sendmsg+0xcd/0x170 [ 4489.800571][ T1076] do_syscall_64+0xc6/0x1e0 [ 4489.800571][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4489.800571][ T1076] [ 4489.802388][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4489.802388][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4489.802388][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4489.802388][ T1076] ipv6_find_idev+0x102/0x170 [ 4489.802388][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4489.802388][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4489.802388][ T1076] netlink_rcv_skb+0x130/0x360 [ 4489.802388][ T1076] netlink_unicast+0x449/0x710 [ 4489.802388][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4489.802388][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4489.802388][ T1076] ___sys_sendmsg+0xee/0x170 [ 4489.802388][ T1076] __sys_sendmsg+0xcd/0x170 [ 4489.802388][ T1076] do_syscall_64+0xc6/0x1e0 [ 4489.802388][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4489.802388][ T1076] [ 4499.869753][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4499.870293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4499.870293][ T1076] netdev_get_by_index+0x5e/0x80 [ 4499.870293][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4499.870293][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4499.870293][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4499.870293][ T1076] ipv6_add_addr+0x411/0x2000 [ 4499.870293][ T1076] inet6_addr_add+0x30e/0xa40 [ 4499.870293][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4499.870293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4499.870293][ T1076] netlink_rcv_skb+0x130/0x360 [ 4499.870293][ T1076] netlink_unicast+0x449/0x710 [ 4499.870293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4499.870293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4499.870293][ T1076] ___sys_sendmsg+0xee/0x170 [ 4499.870293][ T1076] __sys_sendmsg+0xcd/0x170 [ 4499.870293][ T1076] do_syscall_64+0xc6/0x1e0 [ 4499.870293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4499.870293][ T1076] [ 4499.872613][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4499.872613][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4499.872613][ T1076] ipv6_find_idev+0x102/0x170 [ 4499.872613][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4499.872613][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4499.872613][ T1076] netlink_rcv_skb+0x130/0x360 [ 4499.872613][ T1076] netlink_unicast+0x449/0x710 [ 4499.872613][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4499.872613][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4499.872613][ T1076] ___sys_sendmsg+0xee/0x170 [ 4499.872613][ T1076] __sys_sendmsg+0xcd/0x170 [ 4499.872613][ T1076] do_syscall_64+0xc6/0x1e0 [ 4499.872613][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4499.872613][ T1076] [ 4499.874376][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4499.874376][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4499.874376][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4499.874376][ T1076] ipv6_find_idev+0x102/0x170 [ 4499.874376][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4499.874376][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4499.874376][ T1076] netlink_rcv_skb+0x130/0x360 [ 4499.874376][ T1076] netlink_unicast+0x449/0x710 [ 4499.874376][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4499.874376][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4499.874376][ T1076] ___sys_sendmsg+0xee/0x170 [ 4499.874376][ T1076] __sys_sendmsg+0xcd/0x170 [ 4499.874376][ T1076] do_syscall_64+0xc6/0x1e0 [ 4499.874376][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4499.874376][ T1076] [ 4510.125729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4510.126253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4510.126253][ T1076] netdev_get_by_index+0x5e/0x80 [ 4510.126253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4510.126253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4510.126253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4510.126253][ T1076] ipv6_add_addr+0x411/0x2000 [ 4510.126253][ T1076] inet6_addr_add+0x30e/0xa40 [ 4510.126253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.126253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.126253][ T1076] netlink_rcv_skb+0x130/0x360 [ 4510.126253][ T1076] netlink_unicast+0x449/0x710 [ 4510.126253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4510.126253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4510.126253][ T1076] ___sys_sendmsg+0xee/0x170 [ 4510.126253][ T1076] __sys_sendmsg+0xcd/0x170 [ 4510.126253][ T1076] do_syscall_64+0xc6/0x1e0 [ 4510.126253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.126253][ T1076] [ 4510.128513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4510.128513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4510.128513][ T1076] ipv6_find_idev+0x102/0x170 [ 4510.128513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.128513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.128513][ T1076] netlink_rcv_skb+0x130/0x360 [ 4510.128513][ T1076] netlink_unicast+0x449/0x710 [ 4510.128513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4510.128513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4510.128513][ T1076] ___sys_sendmsg+0xee/0x170 [ 4510.128513][ T1076] __sys_sendmsg+0xcd/0x170 [ 4510.128513][ T1076] do_syscall_64+0xc6/0x1e0 [ 4510.128513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.128513][ T1076] [ 4510.130249][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4510.130249][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4510.130249][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4510.130249][ T1076] ipv6_find_idev+0x102/0x170 [ 4510.130249][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.130249][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.130249][ T1076] netlink_rcv_skb+0x130/0x360 [ 4510.130249][ T1076] netlink_unicast+0x449/0x710 [ 4510.130249][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4510.130249][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4510.130249][ T1076] ___sys_sendmsg+0xee/0x170 [ 4510.130249][ T1076] __sys_sendmsg+0xcd/0x170 [ 4510.130249][ T1076] do_syscall_64+0xc6/0x1e0 [ 4510.130249][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.130249][ T1076] [ 4520.381758][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4520.382286][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4520.382286][ T1076] netdev_get_by_index+0x5e/0x80 [ 4520.382286][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4520.382286][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4520.382286][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4520.382286][ T1076] ipv6_add_addr+0x411/0x2000 [ 4520.382286][ T1076] inet6_addr_add+0x30e/0xa40 [ 4520.382286][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.382286][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.382286][ T1076] netlink_rcv_skb+0x130/0x360 [ 4520.382286][ T1076] netlink_unicast+0x449/0x710 [ 4520.382286][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4520.382286][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4520.382286][ T1076] ___sys_sendmsg+0xee/0x170 [ 4520.382286][ T1076] __sys_sendmsg+0xcd/0x170 [ 4520.382286][ T1076] do_syscall_64+0xc6/0x1e0 [ 4520.382286][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.382286][ T1076] [ 4520.384561][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4520.384561][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4520.384561][ T1076] ipv6_find_idev+0x102/0x170 [ 4520.384561][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.384561][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.384561][ T1076] netlink_rcv_skb+0x130/0x360 [ 4520.384561][ T1076] netlink_unicast+0x449/0x710 [ 4520.384561][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4520.384561][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4520.384561][ T1076] ___sys_sendmsg+0xee/0x170 [ 4520.384561][ T1076] __sys_sendmsg+0xcd/0x170 [ 4520.384561][ T1076] do_syscall_64+0xc6/0x1e0 [ 4520.384561][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.384561][ T1076] [ 4520.386308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4520.386308][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4520.386308][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4520.386308][ T1076] ipv6_find_idev+0x102/0x170 [ 4520.386308][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.386308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.386308][ T1076] netlink_rcv_skb+0x130/0x360 [ 4520.386308][ T1076] netlink_unicast+0x449/0x710 [ 4520.386308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4520.386308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4520.386308][ T1076] ___sys_sendmsg+0xee/0x170 [ 4520.386308][ T1076] __sys_sendmsg+0xcd/0x170 [ 4520.386308][ T1076] do_syscall_64+0xc6/0x1e0 [ 4520.386308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.386308][ T1076] [ 4530.461749][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4530.462213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4530.462213][ T1076] netdev_get_by_index+0x5e/0x80 [ 4530.462213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4530.462213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4530.462213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4530.462213][ T1076] ipv6_add_addr+0x411/0x2000 [ 4530.462213][ T1076] inet6_addr_add+0x30e/0xa40 [ 4530.462213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4530.462213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4530.462213][ T1076] netlink_rcv_skb+0x130/0x360 [ 4530.462213][ T1076] netlink_unicast+0x449/0x710 [ 4530.462213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4530.462213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4530.462213][ T1076] ___sys_sendmsg+0xee/0x170 [ 4530.462213][ T1076] __sys_sendmsg+0xcd/0x170 [ 4530.462213][ T1076] do_syscall_64+0xc6/0x1e0 [ 4530.462213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4530.462213][ T1076] [ 4530.464548][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4530.464548][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4530.464548][ T1076] ipv6_find_idev+0x102/0x170 [ 4530.464548][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4530.464548][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4530.464548][ T1076] netlink_rcv_skb+0x130/0x360 [ 4530.464548][ T1076] netlink_unicast+0x449/0x710 [ 4530.464548][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4530.464548][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4530.464548][ T1076] ___sys_sendmsg+0xee/0x170 [ 4530.464548][ T1076] __sys_sendmsg+0xcd/0x170 [ 4530.464548][ T1076] do_syscall_64+0xc6/0x1e0 [ 4530.464548][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4530.464548][ T1076] [ 4530.466361][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4530.466361][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4530.466361][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4530.466361][ T1076] ipv6_find_idev+0x102/0x170 [ 4530.466361][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4530.466361][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4530.466361][ T1076] netlink_rcv_skb+0x130/0x360 [ 4530.466361][ T1076] netlink_unicast+0x449/0x710 [ 4530.466361][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4530.466361][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4530.466361][ T1076] ___sys_sendmsg+0xee/0x170 [ 4530.466361][ T1076] __sys_sendmsg+0xcd/0x170 [ 4530.466361][ T1076] do_syscall_64+0xc6/0x1e0 [ 4530.466361][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4530.466361][ T1076] [ 4540.637705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4540.638222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4540.638222][ T1076] netdev_get_by_index+0x5e/0x80 [ 4540.638222][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4540.638222][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4540.638222][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4540.638222][ T1076] ipv6_add_addr+0x411/0x2000 [ 4540.638222][ T1076] inet6_addr_add+0x30e/0xa40 [ 4540.638222][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4540.638222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4540.638222][ T1076] netlink_rcv_skb+0x130/0x360 [ 4540.638222][ T1076] netlink_unicast+0x449/0x710 [ 4540.638222][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4540.638222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4540.638222][ T1076] ___sys_sendmsg+0xee/0x170 [ 4540.638222][ T1076] __sys_sendmsg+0xcd/0x170 [ 4540.638222][ T1076] do_syscall_64+0xc6/0x1e0 [ 4540.638222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4540.638222][ T1076] [ 4540.640503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4540.640503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4540.640503][ T1076] ipv6_find_idev+0x102/0x170 [ 4540.640503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4540.640503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4540.640503][ T1076] netlink_rcv_skb+0x130/0x360 [ 4540.640503][ T1076] netlink_unicast+0x449/0x710 [ 4540.640503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4540.640503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4540.640503][ T1076] ___sys_sendmsg+0xee/0x170 [ 4540.640503][ T1076] __sys_sendmsg+0xcd/0x170 [ 4540.640503][ T1076] do_syscall_64+0xc6/0x1e0 [ 4540.640503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4540.640503][ T1076] [ 4540.642259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4540.642259][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4540.642259][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4540.642259][ T1076] ipv6_find_idev+0x102/0x170 [ 4540.642259][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4540.642259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4540.642259][ T1076] netlink_rcv_skb+0x130/0x360 [ 4540.642259][ T1076] netlink_unicast+0x449/0x710 [ 4540.642259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4540.642259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4540.642259][ T1076] ___sys_sendmsg+0xee/0x170 [ 4540.642259][ T1076] __sys_sendmsg+0xcd/0x170 [ 4540.642259][ T1076] do_syscall_64+0xc6/0x1e0 [ 4540.642259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4540.642259][ T1076] [ 4550.701730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4550.702269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4550.702269][ T1076] netdev_get_by_index+0x5e/0x80 [ 4550.702269][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4550.702269][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4550.702269][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4550.702269][ T1076] ipv6_add_addr+0x411/0x2000 [ 4550.702269][ T1076] inet6_addr_add+0x30e/0xa40 [ 4550.702269][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4550.702269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.702269][ T1076] netlink_rcv_skb+0x130/0x360 [ 4550.702269][ T1076] netlink_unicast+0x449/0x710 [ 4550.702269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4550.702269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4550.702269][ T1076] ___sys_sendmsg+0xee/0x170 [ 4550.702269][ T1076] __sys_sendmsg+0xcd/0x170 [ 4550.702269][ T1076] do_syscall_64+0xc6/0x1e0 [ 4550.702269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.702269][ T1076] [ 4550.704563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4550.704563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4550.704563][ T1076] ipv6_find_idev+0x102/0x170 [ 4550.704563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4550.704563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.704563][ T1076] netlink_rcv_skb+0x130/0x360 [ 4550.704563][ T1076] netlink_unicast+0x449/0x710 [ 4550.704563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4550.704563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4550.704563][ T1076] ___sys_sendmsg+0xee/0x170 [ 4550.704563][ T1076] __sys_sendmsg+0xcd/0x170 [ 4550.704563][ T1076] do_syscall_64+0xc6/0x1e0 [ 4550.704563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.704563][ T1076] [ 4550.706305][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4550.706305][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4550.706305][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4550.706305][ T1076] ipv6_find_idev+0x102/0x170 [ 4550.706305][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4550.706305][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.706305][ T1076] netlink_rcv_skb+0x130/0x360 [ 4550.706305][ T1076] netlink_unicast+0x449/0x710 [ 4550.706305][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4550.706305][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4550.706305][ T1076] ___sys_sendmsg+0xee/0x170 [ 4550.706305][ T1076] __sys_sendmsg+0xcd/0x170 [ 4550.706305][ T1076] do_syscall_64+0xc6/0x1e0 [ 4550.706305][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.706305][ T1076] [ 4560.949768][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4560.950334][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4560.950334][ T1076] netdev_get_by_index+0x5e/0x80 [ 4560.950334][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4560.950334][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4560.950334][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4560.950334][ T1076] ipv6_add_addr+0x411/0x2000 [ 4560.950334][ T1076] inet6_addr_add+0x30e/0xa40 [ 4560.950334][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.950334][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.950334][ T1076] netlink_rcv_skb+0x130/0x360 [ 4560.950334][ T1076] netlink_unicast+0x449/0x710 [ 4560.950334][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4560.950334][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4560.950334][ T1076] ___sys_sendmsg+0xee/0x170 [ 4560.950334][ T1076] __sys_sendmsg+0xcd/0x170 [ 4560.950334][ T1076] do_syscall_64+0xc6/0x1e0 [ 4560.950334][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.950334][ T1076] [ 4560.952912][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4560.952912][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4560.952912][ T1076] ipv6_find_idev+0x102/0x170 [ 4560.952912][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.952912][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.952912][ T1076] netlink_rcv_skb+0x130/0x360 [ 4560.952912][ T1076] netlink_unicast+0x449/0x710 [ 4560.952912][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4560.952912][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4560.952912][ T1076] ___sys_sendmsg+0xee/0x170 [ 4560.952912][ T1076] __sys_sendmsg+0xcd/0x170 [ 4560.952912][ T1076] do_syscall_64+0xc6/0x1e0 [ 4560.952912][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.952912][ T1076] [ 4560.955415][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4560.955415][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4560.955415][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4560.955415][ T1076] ipv6_find_idev+0x102/0x170 [ 4560.955415][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.955415][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.955415][ T1076] netlink_rcv_skb+0x130/0x360 [ 4560.955415][ T1076] netlink_unicast+0x449/0x710 [ 4560.955415][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4560.955415][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4560.955415][ T1076] ___sys_sendmsg+0xee/0x170 [ 4560.955415][ T1076] __sys_sendmsg+0xcd/0x170 [ 4560.955415][ T1076] do_syscall_64+0xc6/0x1e0 [ 4560.955415][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.955415][ T1076] [ 4571.117668][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4571.118193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4571.118193][ T1076] netdev_get_by_index+0x5e/0x80 [ 4571.118193][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4571.118193][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4571.118193][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4571.118193][ T1076] ipv6_add_addr+0x411/0x2000 [ 4571.118193][ T1076] inet6_addr_add+0x30e/0xa40 [ 4571.118193][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.118193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.118193][ T1076] netlink_rcv_skb+0x130/0x360 [ 4571.118193][ T1076] netlink_unicast+0x449/0x710 [ 4571.118193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4571.118193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4571.118193][ T1076] ___sys_sendmsg+0xee/0x170 [ 4571.118193][ T1076] __sys_sendmsg+0xcd/0x170 [ 4571.118193][ T1076] do_syscall_64+0xc6/0x1e0 [ 4571.118193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.118193][ T1076] [ 4571.120474][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4571.120474][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4571.120474][ T1076] ipv6_find_idev+0x102/0x170 [ 4571.120474][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.120474][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.120474][ T1076] netlink_rcv_skb+0x130/0x360 [ 4571.120474][ T1076] netlink_unicast+0x449/0x710 [ 4571.120474][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4571.120474][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4571.120474][ T1076] ___sys_sendmsg+0xee/0x170 [ 4571.120474][ T1076] __sys_sendmsg+0xcd/0x170 [ 4571.120474][ T1076] do_syscall_64+0xc6/0x1e0 [ 4571.120474][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.120474][ T1076] [ 4571.122243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4571.122243][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4571.122243][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4571.122243][ T1076] ipv6_find_idev+0x102/0x170 [ 4571.122243][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.122243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.122243][ T1076] netlink_rcv_skb+0x130/0x360 [ 4571.122243][ T1076] netlink_unicast+0x449/0x710 [ 4571.122243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4571.122243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4571.122243][ T1076] ___sys_sendmsg+0xee/0x170 [ 4571.122243][ T1076] __sys_sendmsg+0xcd/0x170 [ 4571.122243][ T1076] do_syscall_64+0xc6/0x1e0 [ 4571.122243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.122243][ T1076] [ 4581.149773][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4581.150335][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4581.150335][ T1076] netdev_get_by_index+0x5e/0x80 [ 4581.150335][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4581.150335][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4581.150335][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4581.150335][ T1076] ipv6_add_addr+0x411/0x2000 [ 4581.150335][ T1076] inet6_addr_add+0x30e/0xa40 [ 4581.150335][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4581.150335][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4581.150335][ T1076] netlink_rcv_skb+0x130/0x360 [ 4581.150335][ T1076] netlink_unicast+0x449/0x710 [ 4581.150335][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4581.150335][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4581.150335][ T1076] ___sys_sendmsg+0xee/0x170 [ 4581.150335][ T1076] __sys_sendmsg+0xcd/0x170 [ 4581.150335][ T1076] do_syscall_64+0xc6/0x1e0 [ 4581.150335][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4581.150335][ T1076] [ 4581.152898][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4581.152898][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4581.152898][ T1076] ipv6_find_idev+0x102/0x170 [ 4581.152898][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4581.152898][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4581.152898][ T1076] netlink_rcv_skb+0x130/0x360 [ 4581.152898][ T1076] netlink_unicast+0x449/0x710 [ 4581.152898][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4581.152898][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4581.152898][ T1076] ___sys_sendmsg+0xee/0x170 [ 4581.152898][ T1076] __sys_sendmsg+0xcd/0x170 [ 4581.152898][ T1076] do_syscall_64+0xc6/0x1e0 [ 4581.152898][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4581.152898][ T1076] [ 4581.154841][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4581.154841][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4581.154841][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4581.154841][ T1076] ipv6_find_idev+0x102/0x170 [ 4581.154841][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4581.154841][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4581.154841][ T1076] netlink_rcv_skb+0x130/0x360 [ 4581.154841][ T1076] netlink_unicast+0x449/0x710 [ 4581.154841][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4581.154841][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4581.154841][ T1076] ___sys_sendmsg+0xee/0x170 [ 4581.154841][ T1076] __sys_sendmsg+0xcd/0x170 [ 4581.154841][ T1076] do_syscall_64+0xc6/0x1e0 [ 4581.154841][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4581.154841][ T1076] [ 4591.397735][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4591.398272][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4591.398272][ T1076] netdev_get_by_index+0x5e/0x80 [ 4591.398272][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4591.398272][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4591.398272][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4591.398272][ T1076] ipv6_add_addr+0x411/0x2000 [ 4591.398272][ T1076] inet6_addr_add+0x30e/0xa40 [ 4591.398272][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4591.398272][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4591.398272][ T1076] netlink_rcv_skb+0x130/0x360 [ 4591.398272][ T1076] netlink_unicast+0x449/0x710 [ 4591.398272][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4591.398272][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4591.398272][ T1076] ___sys_sendmsg+0xee/0x170 [ 4591.398272][ T1076] __sys_sendmsg+0xcd/0x170 [ 4591.398272][ T1076] do_syscall_64+0xc6/0x1e0 [ 4591.398272][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4591.398272][ T1076] [ 4591.400814][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4591.400814][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4591.400814][ T1076] ipv6_find_idev+0x102/0x170 [ 4591.400814][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4591.400814][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4591.400814][ T1076] netlink_rcv_skb+0x130/0x360 [ 4591.400814][ T1076] netlink_unicast+0x449/0x710 [ 4591.400814][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4591.400814][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4591.400814][ T1076] ___sys_sendmsg+0xee/0x170 [ 4591.400814][ T1076] __sys_sendmsg+0xcd/0x170 [ 4591.400814][ T1076] do_syscall_64+0xc6/0x1e0 [ 4591.400814][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4591.400814][ T1076] [ 4591.402770][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4591.402770][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4591.402770][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4591.402770][ T1076] ipv6_find_idev+0x102/0x170 [ 4591.402770][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4591.402770][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4591.402770][ T1076] netlink_rcv_skb+0x130/0x360 [ 4591.402770][ T1076] netlink_unicast+0x449/0x710 [ 4591.402770][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4591.402770][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4591.402770][ T1076] ___sys_sendmsg+0xee/0x170 [ 4591.402770][ T1076] __sys_sendmsg+0xcd/0x170 [ 4591.402770][ T1076] do_syscall_64+0xc6/0x1e0 [ 4591.402770][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4591.402770][ T1076] [ 4601.517700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4601.518257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4601.518257][ T1076] netdev_get_by_index+0x5e/0x80 [ 4601.518257][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4601.518257][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4601.518257][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4601.518257][ T1076] ipv6_add_addr+0x411/0x2000 [ 4601.518257][ T1076] inet6_addr_add+0x30e/0xa40 [ 4601.518257][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4601.518257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4601.518257][ T1076] netlink_rcv_skb+0x130/0x360 [ 4601.518257][ T1076] netlink_unicast+0x449/0x710 [ 4601.518257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4601.518257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4601.518257][ T1076] ___sys_sendmsg+0xee/0x170 [ 4601.518257][ T1076] __sys_sendmsg+0xcd/0x170 [ 4601.518257][ T1076] do_syscall_64+0xc6/0x1e0 [ 4601.518257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4601.518257][ T1076] [ 4601.520557][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4601.520557][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4601.520557][ T1076] ipv6_find_idev+0x102/0x170 [ 4601.520557][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4601.520557][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4601.520557][ T1076] netlink_rcv_skb+0x130/0x360 [ 4601.520557][ T1076] netlink_unicast+0x449/0x710 [ 4601.520557][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4601.520557][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4601.520557][ T1076] ___sys_sendmsg+0xee/0x170 [ 4601.520557][ T1076] __sys_sendmsg+0xcd/0x170 [ 4601.520557][ T1076] do_syscall_64+0xc6/0x1e0 [ 4601.520557][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4601.520557][ T1076] [ 4601.522338][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4601.522338][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4601.522338][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4601.522338][ T1076] ipv6_find_idev+0x102/0x170 [ 4601.522338][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4601.522338][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4601.522338][ T1076] netlink_rcv_skb+0x130/0x360 [ 4601.522338][ T1076] netlink_unicast+0x449/0x710 [ 4601.522338][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4601.522338][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4601.522338][ T1076] ___sys_sendmsg+0xee/0x170 [ 4601.522338][ T1076] __sys_sendmsg+0xcd/0x170 [ 4601.522338][ T1076] do_syscall_64+0xc6/0x1e0 [ 4601.522338][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4601.522338][ T1076] [ 4611.765774][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4611.766353][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4611.766353][ T1076] netdev_get_by_index+0x5e/0x80 [ 4611.766353][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4611.766353][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4611.766353][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4611.766353][ T1076] ipv6_add_addr+0x411/0x2000 [ 4611.766353][ T1076] inet6_addr_add+0x30e/0xa40 [ 4611.766353][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.766353][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.766353][ T1076] netlink_rcv_skb+0x130/0x360 [ 4611.766353][ T1076] netlink_unicast+0x449/0x710 [ 4611.766353][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4611.766353][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4611.766353][ T1076] ___sys_sendmsg+0xee/0x170 [ 4611.766353][ T1076] __sys_sendmsg+0xcd/0x170 [ 4611.766353][ T1076] do_syscall_64+0xc6/0x1e0 [ 4611.766353][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.766353][ T1076] [ 4611.768697][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4611.768697][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4611.768697][ T1076] ipv6_find_idev+0x102/0x170 [ 4611.768697][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.768697][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.768697][ T1076] netlink_rcv_skb+0x130/0x360 [ 4611.768697][ T1076] netlink_unicast+0x449/0x710 [ 4611.768697][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4611.768697][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4611.768697][ T1076] ___sys_sendmsg+0xee/0x170 [ 4611.768697][ T1076] __sys_sendmsg+0xcd/0x170 [ 4611.768697][ T1076] do_syscall_64+0xc6/0x1e0 [ 4611.768697][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.768697][ T1076] [ 4611.770460][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4611.770460][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4611.770460][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4611.770460][ T1076] ipv6_find_idev+0x102/0x170 [ 4611.770460][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.770460][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.770460][ T1076] netlink_rcv_skb+0x130/0x360 [ 4611.770460][ T1076] netlink_unicast+0x449/0x710 [ 4611.770460][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4611.770460][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4611.770460][ T1076] ___sys_sendmsg+0xee/0x170 [ 4611.770460][ T1076] __sys_sendmsg+0xcd/0x170 [ 4611.770460][ T1076] do_syscall_64+0xc6/0x1e0 [ 4611.770460][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.770460][ T1076] [ 4622.013803][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4622.014292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4622.014292][ T1076] netdev_get_by_index+0x5e/0x80 [ 4622.014292][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4622.014292][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4622.014292][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4622.014292][ T1076] ipv6_add_addr+0x411/0x2000 [ 4622.014292][ T1076] inet6_addr_add+0x30e/0xa40 [ 4622.014292][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.014292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.014292][ T1076] netlink_rcv_skb+0x130/0x360 [ 4622.014292][ T1076] netlink_unicast+0x449/0x710 [ 4622.014292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4622.014292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4622.014292][ T1076] ___sys_sendmsg+0xee/0x170 [ 4622.014292][ T1076] __sys_sendmsg+0xcd/0x170 [ 4622.014292][ T1076] do_syscall_64+0xc6/0x1e0 [ 4622.014292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.014292][ T1076] [ 4622.016586][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4622.016586][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4622.016586][ T1076] ipv6_find_idev+0x102/0x170 [ 4622.016586][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.016586][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.016586][ T1076] netlink_rcv_skb+0x130/0x360 [ 4622.016586][ T1076] netlink_unicast+0x449/0x710 [ 4622.016586][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4622.016586][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4622.016586][ T1076] ___sys_sendmsg+0xee/0x170 [ 4622.016586][ T1076] __sys_sendmsg+0xcd/0x170 [ 4622.016586][ T1076] do_syscall_64+0xc6/0x1e0 [ 4622.016586][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.016586][ T1076] [ 4622.018335][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4622.018335][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4622.018335][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4622.018335][ T1076] ipv6_find_idev+0x102/0x170 [ 4622.018335][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.018335][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.018335][ T1076] netlink_rcv_skb+0x130/0x360 [ 4622.018335][ T1076] netlink_unicast+0x449/0x710 [ 4622.018335][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4622.018335][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4622.018335][ T1076] ___sys_sendmsg+0xee/0x170 [ 4622.018335][ T1076] __sys_sendmsg+0xcd/0x170 [ 4622.018335][ T1076] do_syscall_64+0xc6/0x1e0 [ 4622.018335][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.018335][ T1076] [ 4632.093743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4632.094419][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4632.094419][ T1076] netdev_get_by_index+0x5e/0x80 [ 4632.094419][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4632.094419][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4632.094419][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4632.094419][ T1076] ipv6_add_addr+0x411/0x2000 [ 4632.094419][ T1076] inet6_addr_add+0x30e/0xa40 [ 4632.094419][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.094419][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.094419][ T1076] netlink_rcv_skb+0x130/0x360 [ 4632.094419][ T1076] netlink_unicast+0x449/0x710 [ 4632.094419][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4632.094419][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4632.094419][ T1076] ___sys_sendmsg+0xee/0x170 [ 4632.094419][ T1076] __sys_sendmsg+0xcd/0x170 [ 4632.094419][ T1076] do_syscall_64+0xc6/0x1e0 [ 4632.094419][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.094419][ T1076] [ 4632.098007][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4632.098007][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4632.098007][ T1076] ipv6_find_idev+0x102/0x170 [ 4632.098007][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.098007][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.098007][ T1076] netlink_rcv_skb+0x130/0x360 [ 4632.098007][ T1076] netlink_unicast+0x449/0x710 [ 4632.098007][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4632.098007][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4632.098007][ T1076] ___sys_sendmsg+0xee/0x170 [ 4632.098007][ T1076] __sys_sendmsg+0xcd/0x170 [ 4632.098007][ T1076] do_syscall_64+0xc6/0x1e0 [ 4632.098007][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.098007][ T1076] [ 4632.100831][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4632.100831][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4632.100831][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4632.100831][ T1076] ipv6_find_idev+0x102/0x170 [ 4632.100831][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.100831][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.100831][ T1076] netlink_rcv_skb+0x130/0x360 [ 4632.100831][ T1076] netlink_unicast+0x449/0x710 [ 4632.100831][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4632.100831][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4632.100831][ T1076] ___sys_sendmsg+0xee/0x170 [ 4632.100831][ T1076] __sys_sendmsg+0xcd/0x170 [ 4632.100831][ T1076] do_syscall_64+0xc6/0x1e0 [ 4632.100831][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.100831][ T1076] [ 4642.205757][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4642.206455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4642.206455][ T1076] netdev_get_by_index+0x5e/0x80 [ 4642.206455][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4642.206455][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4642.206455][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4642.206455][ T1076] ipv6_add_addr+0x411/0x2000 [ 4642.206455][ T1076] inet6_addr_add+0x30e/0xa40 [ 4642.206455][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4642.206455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4642.206455][ T1076] netlink_rcv_skb+0x130/0x360 [ 4642.206455][ T1076] netlink_unicast+0x449/0x710 [ 4642.206455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4642.206455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4642.206455][ T1076] ___sys_sendmsg+0xee/0x170 [ 4642.206455][ T1076] __sys_sendmsg+0xcd/0x170 [ 4642.206455][ T1076] do_syscall_64+0xc6/0x1e0 [ 4642.206455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4642.206455][ T1076] [ 4642.208991][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4642.208991][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4642.208991][ T1076] ipv6_find_idev+0x102/0x170 [ 4642.208991][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4642.208991][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4642.208991][ T1076] netlink_rcv_skb+0x130/0x360 [ 4642.208991][ T1076] netlink_unicast+0x449/0x710 [ 4642.208991][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4642.208991][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4642.208991][ T1076] ___sys_sendmsg+0xee/0x170 [ 4642.208991][ T1076] __sys_sendmsg+0xcd/0x170 [ 4642.208991][ T1076] do_syscall_64+0xc6/0x1e0 [ 4642.208991][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4642.208991][ T1076] [ 4642.210773][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4642.210773][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4642.210773][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4642.210773][ T1076] ipv6_find_idev+0x102/0x170 [ 4642.210773][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4642.210773][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4642.210773][ T1076] netlink_rcv_skb+0x130/0x360 [ 4642.210773][ T1076] netlink_unicast+0x449/0x710 [ 4642.210773][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4642.210773][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4642.210773][ T1076] ___sys_sendmsg+0xee/0x170 [ 4642.210773][ T1076] __sys_sendmsg+0xcd/0x170 [ 4642.210773][ T1076] do_syscall_64+0xc6/0x1e0 [ 4642.210773][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4642.210773][ T1076] [ 4652.381704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4652.382156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4652.382156][ T1076] netdev_get_by_index+0x5e/0x80 [ 4652.382156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4652.382156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4652.382156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4652.382156][ T1076] ipv6_add_addr+0x411/0x2000 [ 4652.382156][ T1076] inet6_addr_add+0x30e/0xa40 [ 4652.382156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4652.382156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4652.382156][ T1076] netlink_rcv_skb+0x130/0x360 [ 4652.382156][ T1076] netlink_unicast+0x449/0x710 [ 4652.382156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4652.382156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4652.382156][ T1076] ___sys_sendmsg+0xee/0x170 [ 4652.382156][ T1076] __sys_sendmsg+0xcd/0x170 [ 4652.382156][ T1076] do_syscall_64+0xc6/0x1e0 [ 4652.382156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4652.382156][ T1076] [ 4652.384413][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4652.384413][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4652.384413][ T1076] ipv6_find_idev+0x102/0x170 [ 4652.384413][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4652.384413][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4652.384413][ T1076] netlink_rcv_skb+0x130/0x360 [ 4652.384413][ T1076] netlink_unicast+0x449/0x710 [ 4652.384413][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4652.384413][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4652.384413][ T1076] ___sys_sendmsg+0xee/0x170 [ 4652.384413][ T1076] __sys_sendmsg+0xcd/0x170 [ 4652.384413][ T1076] do_syscall_64+0xc6/0x1e0 [ 4652.384413][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4652.384413][ T1076] [ 4652.386143][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4652.386143][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4652.386143][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4652.386143][ T1076] ipv6_find_idev+0x102/0x170 [ 4652.386143][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4652.386143][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4652.386143][ T1076] netlink_rcv_skb+0x130/0x360 [ 4652.386143][ T1076] netlink_unicast+0x449/0x710 [ 4652.386143][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4652.386143][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4652.386143][ T1076] ___sys_sendmsg+0xee/0x170 [ 4652.386143][ T1076] __sys_sendmsg+0xcd/0x170 [ 4652.386143][ T1076] do_syscall_64+0xc6/0x1e0 [ 4652.386143][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4652.386143][ T1076] [ 4662.589716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4662.590259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4662.590259][ T1076] netdev_get_by_index+0x5e/0x80 [ 4662.590259][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4662.590259][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4662.590259][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4662.590259][ T1076] ipv6_add_addr+0x411/0x2000 [ 4662.590259][ T1076] inet6_addr_add+0x30e/0xa40 [ 4662.590259][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.590259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.590259][ T1076] netlink_rcv_skb+0x130/0x360 [ 4662.590259][ T1076] netlink_unicast+0x449/0x710 [ 4662.590259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4662.590259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4662.590259][ T1076] ___sys_sendmsg+0xee/0x170 [ 4662.590259][ T1076] __sys_sendmsg+0xcd/0x170 [ 4662.590259][ T1076] do_syscall_64+0xc6/0x1e0 [ 4662.590259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.590259][ T1076] [ 4662.592539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4662.592539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4662.592539][ T1076] ipv6_find_idev+0x102/0x170 [ 4662.592539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.592539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.592539][ T1076] netlink_rcv_skb+0x130/0x360 [ 4662.592539][ T1076] netlink_unicast+0x449/0x710 [ 4662.592539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4662.592539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4662.592539][ T1076] ___sys_sendmsg+0xee/0x170 [ 4662.592539][ T1076] __sys_sendmsg+0xcd/0x170 [ 4662.592539][ T1076] do_syscall_64+0xc6/0x1e0 [ 4662.592539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.592539][ T1076] [ 4662.594296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4662.594296][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4662.594296][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4662.594296][ T1076] ipv6_find_idev+0x102/0x170 [ 4662.594296][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.594296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.594296][ T1076] netlink_rcv_skb+0x130/0x360 [ 4662.594296][ T1076] netlink_unicast+0x449/0x710 [ 4662.594296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4662.594296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4662.594296][ T1076] ___sys_sendmsg+0xee/0x170 [ 4662.594296][ T1076] __sys_sendmsg+0xcd/0x170 [ 4662.594296][ T1076] do_syscall_64+0xc6/0x1e0 [ 4662.594296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.594296][ T1076] [ 4672.685771][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4672.686291][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4672.686291][ T1076] netdev_get_by_index+0x5e/0x80 [ 4672.686291][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4672.686291][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4672.686291][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4672.686291][ T1076] ipv6_add_addr+0x411/0x2000 [ 4672.686291][ T1076] inet6_addr_add+0x30e/0xa40 [ 4672.686291][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.686291][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.686291][ T1076] netlink_rcv_skb+0x130/0x360 [ 4672.686291][ T1076] netlink_unicast+0x449/0x710 [ 4672.686291][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4672.686291][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4672.686291][ T1076] ___sys_sendmsg+0xee/0x170 [ 4672.686291][ T1076] __sys_sendmsg+0xcd/0x170 [ 4672.686291][ T1076] do_syscall_64+0xc6/0x1e0 [ 4672.686291][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.686291][ T1076] [ 4672.688552][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4672.688552][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4672.688552][ T1076] ipv6_find_idev+0x102/0x170 [ 4672.688552][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.688552][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.688552][ T1076] netlink_rcv_skb+0x130/0x360 [ 4672.688552][ T1076] netlink_unicast+0x449/0x710 [ 4672.688552][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4672.688552][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4672.688552][ T1076] ___sys_sendmsg+0xee/0x170 [ 4672.688552][ T1076] __sys_sendmsg+0xcd/0x170 [ 4672.688552][ T1076] do_syscall_64+0xc6/0x1e0 [ 4672.688552][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.688552][ T1076] [ 4672.690274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4672.690274][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4672.690274][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4672.690274][ T1076] ipv6_find_idev+0x102/0x170 [ 4672.690274][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.690274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.690274][ T1076] netlink_rcv_skb+0x130/0x360 [ 4672.690274][ T1076] netlink_unicast+0x449/0x710 [ 4672.690274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4672.690274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4672.690274][ T1076] ___sys_sendmsg+0xee/0x170 [ 4672.690274][ T1076] __sys_sendmsg+0xcd/0x170 [ 4672.690274][ T1076] do_syscall_64+0xc6/0x1e0 [ 4672.690274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.690274][ T1076] [ 4682.781731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4682.782236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4682.782236][ T1076] netdev_get_by_index+0x5e/0x80 [ 4682.782236][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4682.782236][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4682.782236][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4682.782236][ T1076] ipv6_add_addr+0x411/0x2000 [ 4682.782236][ T1076] inet6_addr_add+0x30e/0xa40 [ 4682.782236][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.782236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.782236][ T1076] netlink_rcv_skb+0x130/0x360 [ 4682.782236][ T1076] netlink_unicast+0x449/0x710 [ 4682.782236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4682.782236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4682.782236][ T1076] ___sys_sendmsg+0xee/0x170 [ 4682.782236][ T1076] __sys_sendmsg+0xcd/0x170 [ 4682.782236][ T1076] do_syscall_64+0xc6/0x1e0 [ 4682.782236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.782236][ T1076] [ 4682.784714][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4682.784714][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4682.784714][ T1076] ipv6_find_idev+0x102/0x170 [ 4682.784714][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.784714][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.784714][ T1076] netlink_rcv_skb+0x130/0x360 [ 4682.784714][ T1076] netlink_unicast+0x449/0x710 [ 4682.784714][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4682.784714][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4682.784714][ T1076] ___sys_sendmsg+0xee/0x170 [ 4682.784714][ T1076] __sys_sendmsg+0xcd/0x170 [ 4682.784714][ T1076] do_syscall_64+0xc6/0x1e0 [ 4682.784714][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.784714][ T1076] [ 4682.786602][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4682.786602][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4682.786602][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4682.786602][ T1076] ipv6_find_idev+0x102/0x170 [ 4682.786602][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.786602][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.786602][ T1076] netlink_rcv_skb+0x130/0x360 [ 4682.786602][ T1076] netlink_unicast+0x449/0x710 [ 4682.786602][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4682.786602][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4682.786602][ T1076] ___sys_sendmsg+0xee/0x170 [ 4682.786602][ T1076] __sys_sendmsg+0xcd/0x170 [ 4682.786602][ T1076] do_syscall_64+0xc6/0x1e0 [ 4682.786602][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.786602][ T1076] [ 4692.965729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4692.966263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4692.966263][ T1076] netdev_get_by_index+0x5e/0x80 [ 4692.966263][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4692.966263][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4692.966263][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4692.966263][ T1076] ipv6_add_addr+0x411/0x2000 [ 4692.966263][ T1076] inet6_addr_add+0x30e/0xa40 [ 4692.966263][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.966263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.966263][ T1076] netlink_rcv_skb+0x130/0x360 [ 4692.966263][ T1076] netlink_unicast+0x449/0x710 [ 4692.966263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4692.966263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4692.966263][ T1076] ___sys_sendmsg+0xee/0x170 [ 4692.966263][ T1076] __sys_sendmsg+0xcd/0x170 [ 4692.966263][ T1076] do_syscall_64+0xc6/0x1e0 [ 4692.966263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.966263][ T1076] [ 4692.968561][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4692.968561][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4692.968561][ T1076] ipv6_find_idev+0x102/0x170 [ 4692.968561][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.968561][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.968561][ T1076] netlink_rcv_skb+0x130/0x360 [ 4692.968561][ T1076] netlink_unicast+0x449/0x710 [ 4692.968561][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4692.968561][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4692.968561][ T1076] ___sys_sendmsg+0xee/0x170 [ 4692.968561][ T1076] __sys_sendmsg+0xcd/0x170 [ 4692.968561][ T1076] do_syscall_64+0xc6/0x1e0 [ 4692.968561][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.968561][ T1076] [ 4692.970354][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4692.970354][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4692.970354][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4692.970354][ T1076] ipv6_find_idev+0x102/0x170 [ 4692.970354][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.970354][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.970354][ T1076] netlink_rcv_skb+0x130/0x360 [ 4692.970354][ T1076] netlink_unicast+0x449/0x710 [ 4692.970354][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4692.970354][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4692.970354][ T1076] ___sys_sendmsg+0xee/0x170 [ 4692.970354][ T1076] __sys_sendmsg+0xcd/0x170 [ 4692.970354][ T1076] do_syscall_64+0xc6/0x1e0 [ 4692.970354][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.970354][ T1076] [ 4703.013725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4703.014189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4703.014189][ T1076] netdev_get_by_index+0x5e/0x80 [ 4703.014189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4703.014189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4703.014189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4703.014189][ T1076] ipv6_add_addr+0x411/0x2000 [ 4703.014189][ T1076] inet6_addr_add+0x30e/0xa40 [ 4703.014189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.014189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.014189][ T1076] netlink_rcv_skb+0x130/0x360 [ 4703.014189][ T1076] netlink_unicast+0x449/0x710 [ 4703.014189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4703.014189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4703.014189][ T1076] ___sys_sendmsg+0xee/0x170 [ 4703.014189][ T1076] __sys_sendmsg+0xcd/0x170 [ 4703.014189][ T1076] do_syscall_64+0xc6/0x1e0 [ 4703.014189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.014189][ T1076] [ 4703.016493][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4703.016493][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4703.016493][ T1076] ipv6_find_idev+0x102/0x170 [ 4703.016493][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.016493][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.016493][ T1076] netlink_rcv_skb+0x130/0x360 [ 4703.016493][ T1076] netlink_unicast+0x449/0x710 [ 4703.016493][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4703.016493][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4703.016493][ T1076] ___sys_sendmsg+0xee/0x170 [ 4703.016493][ T1076] __sys_sendmsg+0xcd/0x170 [ 4703.016493][ T1076] do_syscall_64+0xc6/0x1e0 [ 4703.016493][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.016493][ T1076] [ 4703.018256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4703.018256][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4703.018256][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4703.018256][ T1076] ipv6_find_idev+0x102/0x170 [ 4703.018256][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.018256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.018256][ T1076] netlink_rcv_skb+0x130/0x360 [ 4703.018256][ T1076] netlink_unicast+0x449/0x710 [ 4703.018256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4703.018256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4703.018256][ T1076] ___sys_sendmsg+0xee/0x170 [ 4703.018256][ T1076] __sys_sendmsg+0xcd/0x170 [ 4703.018256][ T1076] do_syscall_64+0xc6/0x1e0 [ 4703.018256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.018256][ T1076] [ 4713.037785][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4713.038263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4713.038263][ T1076] netdev_get_by_index+0x5e/0x80 [ 4713.038263][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4713.038263][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4713.038263][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4713.038263][ T1076] ipv6_add_addr+0x411/0x2000 [ 4713.038263][ T1076] inet6_addr_add+0x30e/0xa40 [ 4713.038263][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.038263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.038263][ T1076] netlink_rcv_skb+0x130/0x360 [ 4713.038263][ T1076] netlink_unicast+0x449/0x710 [ 4713.038263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4713.038263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4713.038263][ T1076] ___sys_sendmsg+0xee/0x170 [ 4713.038263][ T1076] __sys_sendmsg+0xcd/0x170 [ 4713.038263][ T1076] do_syscall_64+0xc6/0x1e0 [ 4713.038263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.038263][ T1076] [ 4713.040585][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4713.040585][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4713.040585][ T1076] ipv6_find_idev+0x102/0x170 [ 4713.040585][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.040585][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.040585][ T1076] netlink_rcv_skb+0x130/0x360 [ 4713.040585][ T1076] netlink_unicast+0x449/0x710 [ 4713.040585][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4713.040585][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4713.040585][ T1076] ___sys_sendmsg+0xee/0x170 [ 4713.040585][ T1076] __sys_sendmsg+0xcd/0x170 [ 4713.040585][ T1076] do_syscall_64+0xc6/0x1e0 [ 4713.040585][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.040585][ T1076] [ 4713.042364][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4713.042364][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4713.042364][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4713.042364][ T1076] ipv6_find_idev+0x102/0x170 [ 4713.042364][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.042364][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.042364][ T1076] netlink_rcv_skb+0x130/0x360 [ 4713.042364][ T1076] netlink_unicast+0x449/0x710 [ 4713.042364][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4713.042364][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4713.042364][ T1076] ___sys_sendmsg+0xee/0x170 [ 4713.042364][ T1076] __sys_sendmsg+0xcd/0x170 [ 4713.042364][ T1076] do_syscall_64+0xc6/0x1e0 [ 4713.042364][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.042364][ T1076] [ 4723.173732][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4723.174203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4723.174203][ T1076] netdev_get_by_index+0x5e/0x80 [ 4723.174203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4723.174203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4723.174203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4723.174203][ T1076] ipv6_add_addr+0x411/0x2000 [ 4723.174203][ T1076] inet6_addr_add+0x30e/0xa40 [ 4723.174203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.174203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.174203][ T1076] netlink_rcv_skb+0x130/0x360 [ 4723.174203][ T1076] netlink_unicast+0x449/0x710 [ 4723.174203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4723.174203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4723.174203][ T1076] ___sys_sendmsg+0xee/0x170 [ 4723.174203][ T1076] __sys_sendmsg+0xcd/0x170 [ 4723.174203][ T1076] do_syscall_64+0xc6/0x1e0 [ 4723.174203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.174203][ T1076] [ 4723.176501][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4723.176501][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4723.176501][ T1076] ipv6_find_idev+0x102/0x170 [ 4723.176501][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.176501][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.176501][ T1076] netlink_rcv_skb+0x130/0x360 [ 4723.176501][ T1076] netlink_unicast+0x449/0x710 [ 4723.176501][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4723.176501][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4723.176501][ T1076] ___sys_sendmsg+0xee/0x170 [ 4723.176501][ T1076] __sys_sendmsg+0xcd/0x170 [ 4723.176501][ T1076] do_syscall_64+0xc6/0x1e0 [ 4723.176501][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.176501][ T1076] [ 4723.178641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4723.178641][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4723.178641][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4723.178641][ T1076] ipv6_find_idev+0x102/0x170 [ 4723.178641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.178641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.178641][ T1076] netlink_rcv_skb+0x130/0x360 [ 4723.178641][ T1076] netlink_unicast+0x449/0x710 [ 4723.178641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4723.178641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4723.178641][ T1076] ___sys_sendmsg+0xee/0x170 [ 4723.178641][ T1076] __sys_sendmsg+0xcd/0x170 [ 4723.178641][ T1076] do_syscall_64+0xc6/0x1e0 [ 4723.178641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.178641][ T1076] [ 4733.253652][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4733.254183][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4733.254183][ T1076] netdev_get_by_index+0x5e/0x80 [ 4733.254183][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4733.254183][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4733.254183][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4733.254183][ T1076] ipv6_add_addr+0x411/0x2000 [ 4733.254183][ T1076] inet6_addr_add+0x30e/0xa40 [ 4733.254183][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.254183][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.254183][ T1076] netlink_rcv_skb+0x130/0x360 [ 4733.254183][ T1076] netlink_unicast+0x449/0x710 [ 4733.254183][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4733.254183][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4733.254183][ T1076] ___sys_sendmsg+0xee/0x170 [ 4733.254183][ T1076] __sys_sendmsg+0xcd/0x170 [ 4733.254183][ T1076] do_syscall_64+0xc6/0x1e0 [ 4733.254183][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.254183][ T1076] [ 4733.256515][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4733.256515][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4733.256515][ T1076] ipv6_find_idev+0x102/0x170 [ 4733.256515][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.256515][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.256515][ T1076] netlink_rcv_skb+0x130/0x360 [ 4733.256515][ T1076] netlink_unicast+0x449/0x710 [ 4733.256515][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4733.256515][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4733.256515][ T1076] ___sys_sendmsg+0xee/0x170 [ 4733.256515][ T1076] __sys_sendmsg+0xcd/0x170 [ 4733.256515][ T1076] do_syscall_64+0xc6/0x1e0 [ 4733.256515][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.256515][ T1076] [ 4733.258288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4733.258288][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4733.258288][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4733.258288][ T1076] ipv6_find_idev+0x102/0x170 [ 4733.258288][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.258288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.258288][ T1076] netlink_rcv_skb+0x130/0x360 [ 4733.258288][ T1076] netlink_unicast+0x449/0x710 [ 4733.258288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4733.258288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4733.258288][ T1076] ___sys_sendmsg+0xee/0x170 [ 4733.258288][ T1076] __sys_sendmsg+0xcd/0x170 [ 4733.258288][ T1076] do_syscall_64+0xc6/0x1e0 [ 4733.258288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.258288][ T1076] [ 4743.293633][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4743.294180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4743.294180][ T1076] netdev_get_by_index+0x5e/0x80 [ 4743.294180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4743.294180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4743.294180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4743.294180][ T1076] ipv6_add_addr+0x411/0x2000 [ 4743.294180][ T1076] inet6_addr_add+0x30e/0xa40 [ 4743.294180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.294180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.294180][ T1076] netlink_rcv_skb+0x130/0x360 [ 4743.294180][ T1076] netlink_unicast+0x449/0x710 [ 4743.294180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4743.294180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4743.294180][ T1076] ___sys_sendmsg+0xee/0x170 [ 4743.294180][ T1076] __sys_sendmsg+0xcd/0x170 [ 4743.294180][ T1076] do_syscall_64+0xc6/0x1e0 [ 4743.294180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.294180][ T1076] [ 4743.296488][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4743.296488][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4743.296488][ T1076] ipv6_find_idev+0x102/0x170 [ 4743.296488][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.296488][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.296488][ T1076] netlink_rcv_skb+0x130/0x360 [ 4743.296488][ T1076] netlink_unicast+0x449/0x710 [ 4743.296488][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4743.296488][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4743.296488][ T1076] ___sys_sendmsg+0xee/0x170 [ 4743.296488][ T1076] __sys_sendmsg+0xcd/0x170 [ 4743.296488][ T1076] do_syscall_64+0xc6/0x1e0 [ 4743.296488][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.296488][ T1076] [ 4743.298255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4743.298255][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4743.298255][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4743.298255][ T1076] ipv6_find_idev+0x102/0x170 [ 4743.298255][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.298255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.298255][ T1076] netlink_rcv_skb+0x130/0x360 [ 4743.298255][ T1076] netlink_unicast+0x449/0x710 [ 4743.298255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4743.298255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4743.298255][ T1076] ___sys_sendmsg+0xee/0x170 [ 4743.298255][ T1076] __sys_sendmsg+0xcd/0x170 [ 4743.298255][ T1076] do_syscall_64+0xc6/0x1e0 [ 4743.298255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.298255][ T1076] [ 4753.541665][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4753.542150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4753.542150][ T1076] netdev_get_by_index+0x5e/0x80 [ 4753.542150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4753.542150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4753.542150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4753.542150][ T1076] ipv6_add_addr+0x411/0x2000 [ 4753.542150][ T1076] inet6_addr_add+0x30e/0xa40 [ 4753.542150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4753.542150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4753.542150][ T1076] netlink_rcv_skb+0x130/0x360 [ 4753.542150][ T1076] netlink_unicast+0x449/0x710 [ 4753.542150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4753.542150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4753.542150][ T1076] ___sys_sendmsg+0xee/0x170 [ 4753.542150][ T1076] __sys_sendmsg+0xcd/0x170 [ 4753.542150][ T1076] do_syscall_64+0xc6/0x1e0 [ 4753.542150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4753.542150][ T1076] [ 4753.544455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4753.544455][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4753.544455][ T1076] ipv6_find_idev+0x102/0x170 [ 4753.544455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4753.544455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4753.544455][ T1076] netlink_rcv_skb+0x130/0x360 [ 4753.544455][ T1076] netlink_unicast+0x449/0x710 [ 4753.544455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4753.544455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4753.544455][ T1076] ___sys_sendmsg+0xee/0x170 [ 4753.544455][ T1076] __sys_sendmsg+0xcd/0x170 [ 4753.544455][ T1076] do_syscall_64+0xc6/0x1e0 [ 4753.544455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4753.544455][ T1076] [ 4753.546310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4753.546310][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4753.546310][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4753.546310][ T1076] ipv6_find_idev+0x102/0x170 [ 4753.546310][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4753.546310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4753.546310][ T1076] netlink_rcv_skb+0x130/0x360 [ 4753.546310][ T1076] netlink_unicast+0x449/0x710 [ 4753.546310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4753.546310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4753.546310][ T1076] ___sys_sendmsg+0xee/0x170 [ 4753.546310][ T1076] __sys_sendmsg+0xcd/0x170 [ 4753.546310][ T1076] do_syscall_64+0xc6/0x1e0 [ 4753.546310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4753.546310][ T1076] [ 4763.789713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4763.790220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4763.790220][ T1076] netdev_get_by_index+0x5e/0x80 [ 4763.790220][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4763.790220][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4763.790220][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4763.790220][ T1076] ipv6_add_addr+0x411/0x2000 [ 4763.790220][ T1076] inet6_addr_add+0x30e/0xa40 [ 4763.790220][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4763.790220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4763.790220][ T1076] netlink_rcv_skb+0x130/0x360 [ 4763.790220][ T1076] netlink_unicast+0x449/0x710 [ 4763.790220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4763.790220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4763.790220][ T1076] ___sys_sendmsg+0xee/0x170 [ 4763.790220][ T1076] __sys_sendmsg+0xcd/0x170 [ 4763.790220][ T1076] do_syscall_64+0xc6/0x1e0 [ 4763.790220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4763.790220][ T1076] [ 4763.792563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4763.792563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4763.792563][ T1076] ipv6_find_idev+0x102/0x170 [ 4763.792563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4763.792563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4763.792563][ T1076] netlink_rcv_skb+0x130/0x360 [ 4763.792563][ T1076] netlink_unicast+0x449/0x710 [ 4763.792563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4763.792563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4763.792563][ T1076] ___sys_sendmsg+0xee/0x170 [ 4763.792563][ T1076] __sys_sendmsg+0xcd/0x170 [ 4763.792563][ T1076] do_syscall_64+0xc6/0x1e0 [ 4763.792563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4763.792563][ T1076] [ 4763.794329][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4763.794329][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4763.794329][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4763.794329][ T1076] ipv6_find_idev+0x102/0x170 [ 4763.794329][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4763.794329][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4763.794329][ T1076] netlink_rcv_skb+0x130/0x360 [ 4763.794329][ T1076] netlink_unicast+0x449/0x710 [ 4763.794329][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4763.794329][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4763.794329][ T1076] ___sys_sendmsg+0xee/0x170 [ 4763.794329][ T1076] __sys_sendmsg+0xcd/0x170 [ 4763.794329][ T1076] do_syscall_64+0xc6/0x1e0 [ 4763.794329][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4763.794329][ T1076] [ 4774.333841][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4774.334363][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4774.334363][ T1076] netdev_get_by_index+0x5e/0x80 [ 4774.334363][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4774.334363][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4774.334363][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4774.334363][ T1076] ipv6_add_addr+0x411/0x2000 [ 4774.334363][ T1076] inet6_addr_add+0x30e/0xa40 [ 4774.334363][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.334363][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.334363][ T1076] netlink_rcv_skb+0x130/0x360 [ 4774.334363][ T1076] netlink_unicast+0x449/0x710 [ 4774.334363][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4774.334363][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4774.334363][ T1076] ___sys_sendmsg+0xee/0x170 [ 4774.334363][ T1076] __sys_sendmsg+0xcd/0x170 [ 4774.334363][ T1076] do_syscall_64+0xc6/0x1e0 [ 4774.334363][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.334363][ T1076] [ 4774.336672][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4774.336672][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4774.336672][ T1076] ipv6_find_idev+0x102/0x170 [ 4774.336672][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.336672][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.336672][ T1076] netlink_rcv_skb+0x130/0x360 [ 4774.336672][ T1076] netlink_unicast+0x449/0x710 [ 4774.336672][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4774.336672][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4774.336672][ T1076] ___sys_sendmsg+0xee/0x170 [ 4774.336672][ T1076] __sys_sendmsg+0xcd/0x170 [ 4774.336672][ T1076] do_syscall_64+0xc6/0x1e0 [ 4774.336672][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.336672][ T1076] [ 4774.338431][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4774.338431][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4774.338431][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4774.338431][ T1076] ipv6_find_idev+0x102/0x170 [ 4774.338431][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.338431][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.338431][ T1076] netlink_rcv_skb+0x130/0x360 [ 4774.338431][ T1076] netlink_unicast+0x449/0x710 [ 4774.338431][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4774.338431][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4774.338431][ T1076] ___sys_sendmsg+0xee/0x170 [ 4774.338431][ T1076] __sys_sendmsg+0xcd/0x170 [ 4774.338431][ T1076] do_syscall_64+0xc6/0x1e0 [ 4774.338431][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.338431][ T1076] [ 4784.581711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4784.582365][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4784.582365][ T1076] netdev_get_by_index+0x5e/0x80 [ 4784.582365][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4784.582365][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4784.582365][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4784.582365][ T1076] ipv6_add_addr+0x411/0x2000 [ 4784.582365][ T1076] inet6_addr_add+0x30e/0xa40 [ 4784.582365][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.582365][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.582365][ T1076] netlink_rcv_skb+0x130/0x360 [ 4784.582365][ T1076] netlink_unicast+0x449/0x710 [ 4784.582365][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4784.582365][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4784.582365][ T1076] ___sys_sendmsg+0xee/0x170 [ 4784.582365][ T1076] __sys_sendmsg+0xcd/0x170 [ 4784.582365][ T1076] do_syscall_64+0xc6/0x1e0 [ 4784.582365][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.582365][ T1076] [ 4784.585988][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4784.585988][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4784.585988][ T1076] ipv6_find_idev+0x102/0x170 [ 4784.585988][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.585988][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.585988][ T1076] netlink_rcv_skb+0x130/0x360 [ 4784.585988][ T1076] netlink_unicast+0x449/0x710 [ 4784.585988][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4784.585988][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4784.585988][ T1076] ___sys_sendmsg+0xee/0x170 [ 4784.585988][ T1076] __sys_sendmsg+0xcd/0x170 [ 4784.585988][ T1076] do_syscall_64+0xc6/0x1e0 [ 4784.585988][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.585988][ T1076] [ 4784.588760][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4784.588760][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4784.588760][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4784.588760][ T1076] ipv6_find_idev+0x102/0x170 [ 4784.588760][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.588760][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.588760][ T1076] netlink_rcv_skb+0x130/0x360 [ 4784.588760][ T1076] netlink_unicast+0x449/0x710 [ 4784.588760][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4784.588760][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4784.588760][ T1076] ___sys_sendmsg+0xee/0x170 [ 4784.588760][ T1076] __sys_sendmsg+0xcd/0x170 [ 4784.588760][ T1076] do_syscall_64+0xc6/0x1e0 [ 4784.588760][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.588760][ T1076] [ 4794.829701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4794.830150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4794.830150][ T1076] netdev_get_by_index+0x5e/0x80 [ 4794.830150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4794.830150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4794.830150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4794.830150][ T1076] ipv6_add_addr+0x411/0x2000 [ 4794.830150][ T1076] inet6_addr_add+0x30e/0xa40 [ 4794.830150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4794.830150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4794.830150][ T1076] netlink_rcv_skb+0x130/0x360 [ 4794.830150][ T1076] netlink_unicast+0x449/0x710 [ 4794.830150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4794.830150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4794.830150][ T1076] ___sys_sendmsg+0xee/0x170 [ 4794.830150][ T1076] __sys_sendmsg+0xcd/0x170 [ 4794.830150][ T1076] do_syscall_64+0xc6/0x1e0 [ 4794.830150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4794.830150][ T1076] [ 4794.832437][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4794.832437][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4794.832437][ T1076] ipv6_find_idev+0x102/0x170 [ 4794.832437][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4794.832437][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4794.832437][ T1076] netlink_rcv_skb+0x130/0x360 [ 4794.832437][ T1076] netlink_unicast+0x449/0x710 [ 4794.832437][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4794.832437][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4794.832437][ T1076] ___sys_sendmsg+0xee/0x170 [ 4794.832437][ T1076] __sys_sendmsg+0xcd/0x170 [ 4794.832437][ T1076] do_syscall_64+0xc6/0x1e0 [ 4794.832437][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4794.832437][ T1076] [ 4794.834165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4794.834165][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4794.834165][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4794.834165][ T1076] ipv6_find_idev+0x102/0x170 [ 4794.834165][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4794.834165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4794.834165][ T1076] netlink_rcv_skb+0x130/0x360 [ 4794.834165][ T1076] netlink_unicast+0x449/0x710 [ 4794.834165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4794.834165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4794.834165][ T1076] ___sys_sendmsg+0xee/0x170 [ 4794.834165][ T1076] __sys_sendmsg+0xcd/0x170 [ 4794.834165][ T1076] do_syscall_64+0xc6/0x1e0 [ 4794.834165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4794.834165][ T1076] [ 4805.077751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4805.078213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4805.078213][ T1076] netdev_get_by_index+0x5e/0x80 [ 4805.078213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4805.078213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4805.078213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4805.078213][ T1076] ipv6_add_addr+0x411/0x2000 [ 4805.078213][ T1076] inet6_addr_add+0x30e/0xa40 [ 4805.078213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.078213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.078213][ T1076] netlink_rcv_skb+0x130/0x360 [ 4805.078213][ T1076] netlink_unicast+0x449/0x710 [ 4805.078213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4805.078213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4805.078213][ T1076] ___sys_sendmsg+0xee/0x170 [ 4805.078213][ T1076] __sys_sendmsg+0xcd/0x170 [ 4805.078213][ T1076] do_syscall_64+0xc6/0x1e0 [ 4805.078213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.078213][ T1076] [ 4805.080503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4805.080503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4805.080503][ T1076] ipv6_find_idev+0x102/0x170 [ 4805.080503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.080503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.080503][ T1076] netlink_rcv_skb+0x130/0x360 [ 4805.080503][ T1076] netlink_unicast+0x449/0x710 [ 4805.080503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4805.080503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4805.080503][ T1076] ___sys_sendmsg+0xee/0x170 [ 4805.080503][ T1076] __sys_sendmsg+0xcd/0x170 [ 4805.080503][ T1076] do_syscall_64+0xc6/0x1e0 [ 4805.080503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.080503][ T1076] [ 4805.082244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4805.082244][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4805.082244][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4805.082244][ T1076] ipv6_find_idev+0x102/0x170 [ 4805.082244][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.082244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.082244][ T1076] netlink_rcv_skb+0x130/0x360 [ 4805.082244][ T1076] netlink_unicast+0x449/0x710 [ 4805.082244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4805.082244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4805.082244][ T1076] ___sys_sendmsg+0xee/0x170 [ 4805.082244][ T1076] __sys_sendmsg+0xcd/0x170 [ 4805.082244][ T1076] do_syscall_64+0xc6/0x1e0 [ 4805.082244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.082244][ T1076] [ 4815.333859][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4815.334336][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4815.334336][ T1076] netdev_get_by_index+0x5e/0x80 [ 4815.334336][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4815.334336][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4815.334336][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4815.334336][ T1076] ipv6_add_addr+0x411/0x2000 [ 4815.334336][ T1076] inet6_addr_add+0x30e/0xa40 [ 4815.334336][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.334336][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.334336][ T1076] netlink_rcv_skb+0x130/0x360 [ 4815.334336][ T1076] netlink_unicast+0x449/0x710 [ 4815.334336][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4815.334336][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4815.334336][ T1076] ___sys_sendmsg+0xee/0x170 [ 4815.334336][ T1076] __sys_sendmsg+0xcd/0x170 [ 4815.334336][ T1076] do_syscall_64+0xc6/0x1e0 [ 4815.334336][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.334336][ T1076] [ 4815.336659][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4815.336659][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4815.336659][ T1076] ipv6_find_idev+0x102/0x170 [ 4815.336659][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.336659][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.336659][ T1076] netlink_rcv_skb+0x130/0x360 [ 4815.336659][ T1076] netlink_unicast+0x449/0x710 [ 4815.336659][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4815.336659][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4815.336659][ T1076] ___sys_sendmsg+0xee/0x170 [ 4815.336659][ T1076] __sys_sendmsg+0xcd/0x170 [ 4815.336659][ T1076] do_syscall_64+0xc6/0x1e0 [ 4815.336659][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.336659][ T1076] [ 4815.338420][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4815.338420][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4815.338420][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4815.338420][ T1076] ipv6_find_idev+0x102/0x170 [ 4815.338420][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.338420][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.338420][ T1076] netlink_rcv_skb+0x130/0x360 [ 4815.338420][ T1076] netlink_unicast+0x449/0x710 [ 4815.338420][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4815.338420][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4815.338420][ T1076] ___sys_sendmsg+0xee/0x170 [ 4815.338420][ T1076] __sys_sendmsg+0xcd/0x170 [ 4815.338420][ T1076] do_syscall_64+0xc6/0x1e0 [ 4815.338420][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.338420][ T1076] [ 4825.357733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4825.358262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4825.358262][ T1076] netdev_get_by_index+0x5e/0x80 [ 4825.358262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4825.358262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4825.358262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4825.358262][ T1076] ipv6_add_addr+0x411/0x2000 [ 4825.358262][ T1076] inet6_addr_add+0x30e/0xa40 [ 4825.358262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.358262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.358262][ T1076] netlink_rcv_skb+0x130/0x360 [ 4825.358262][ T1076] netlink_unicast+0x449/0x710 [ 4825.358262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4825.358262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4825.358262][ T1076] ___sys_sendmsg+0xee/0x170 [ 4825.358262][ T1076] __sys_sendmsg+0xcd/0x170 [ 4825.358262][ T1076] do_syscall_64+0xc6/0x1e0 [ 4825.358262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.358262][ T1076] [ 4825.360580][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4825.360580][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4825.360580][ T1076] ipv6_find_idev+0x102/0x170 [ 4825.360580][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.360580][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.360580][ T1076] netlink_rcv_skb+0x130/0x360 [ 4825.360580][ T1076] netlink_unicast+0x449/0x710 [ 4825.360580][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4825.360580][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4825.360580][ T1076] ___sys_sendmsg+0xee/0x170 [ 4825.360580][ T1076] __sys_sendmsg+0xcd/0x170 [ 4825.360580][ T1076] do_syscall_64+0xc6/0x1e0 [ 4825.360580][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.360580][ T1076] [ 4825.362350][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4825.362350][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4825.362350][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4825.362350][ T1076] ipv6_find_idev+0x102/0x170 [ 4825.362350][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.362350][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.362350][ T1076] netlink_rcv_skb+0x130/0x360 [ 4825.362350][ T1076] netlink_unicast+0x449/0x710 [ 4825.362350][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4825.362350][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4825.362350][ T1076] ___sys_sendmsg+0xee/0x170 [ 4825.362350][ T1076] __sys_sendmsg+0xcd/0x170 [ 4825.362350][ T1076] do_syscall_64+0xc6/0x1e0 [ 4825.362350][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.362350][ T1076] [ 4835.589795][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4835.590316][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4835.590316][ T1076] netdev_get_by_index+0x5e/0x80 [ 4835.590316][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4835.590316][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4835.590316][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4835.590316][ T1076] ipv6_add_addr+0x411/0x2000 [ 4835.590316][ T1076] inet6_addr_add+0x30e/0xa40 [ 4835.590316][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4835.590316][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4835.590316][ T1076] netlink_rcv_skb+0x130/0x360 [ 4835.590316][ T1076] netlink_unicast+0x449/0x710 [ 4835.590316][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4835.590316][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4835.590316][ T1076] ___sys_sendmsg+0xee/0x170 [ 4835.590316][ T1076] __sys_sendmsg+0xcd/0x170 [ 4835.590316][ T1076] do_syscall_64+0xc6/0x1e0 [ 4835.590316][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4835.590316][ T1076] [ 4835.592818][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4835.592818][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4835.592818][ T1076] ipv6_find_idev+0x102/0x170 [ 4835.592818][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4835.592818][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4835.592818][ T1076] netlink_rcv_skb+0x130/0x360 [ 4835.592818][ T1076] netlink_unicast+0x449/0x710 [ 4835.592818][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4835.592818][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4835.592818][ T1076] ___sys_sendmsg+0xee/0x170 [ 4835.592818][ T1076] __sys_sendmsg+0xcd/0x170 [ 4835.592818][ T1076] do_syscall_64+0xc6/0x1e0 [ 4835.592818][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4835.592818][ T1076] [ 4835.594730][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4835.594730][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4835.594730][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4835.594730][ T1076] ipv6_find_idev+0x102/0x170 [ 4835.594730][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4835.594730][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4835.594730][ T1076] netlink_rcv_skb+0x130/0x360 [ 4835.594730][ T1076] netlink_unicast+0x449/0x710 [ 4835.594730][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4835.594730][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4835.594730][ T1076] ___sys_sendmsg+0xee/0x170 [ 4835.594730][ T1076] __sys_sendmsg+0xcd/0x170 [ 4835.594730][ T1076] do_syscall_64+0xc6/0x1e0 [ 4835.594730][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4835.594730][ T1076] [ 4845.709719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4845.710196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4845.710196][ T1076] netdev_get_by_index+0x5e/0x80 [ 4845.710196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4845.710196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4845.710196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4845.710196][ T1076] ipv6_add_addr+0x411/0x2000 [ 4845.710196][ T1076] inet6_addr_add+0x30e/0xa40 [ 4845.710196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4845.710196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4845.710196][ T1076] netlink_rcv_skb+0x130/0x360 [ 4845.710196][ T1076] netlink_unicast+0x449/0x710 [ 4845.710196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4845.710196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4845.710196][ T1076] ___sys_sendmsg+0xee/0x170 [ 4845.710196][ T1076] __sys_sendmsg+0xcd/0x170 [ 4845.710196][ T1076] do_syscall_64+0xc6/0x1e0 [ 4845.710196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4845.710196][ T1076] [ 4845.712546][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4845.712546][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4845.712546][ T1076] ipv6_find_idev+0x102/0x170 [ 4845.712546][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4845.712546][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4845.712546][ T1076] netlink_rcv_skb+0x130/0x360 [ 4845.712546][ T1076] netlink_unicast+0x449/0x710 [ 4845.712546][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4845.712546][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4845.712546][ T1076] ___sys_sendmsg+0xee/0x170 [ 4845.712546][ T1076] __sys_sendmsg+0xcd/0x170 [ 4845.712546][ T1076] do_syscall_64+0xc6/0x1e0 [ 4845.712546][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4845.712546][ T1076] [ 4845.714339][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4845.714339][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4845.714339][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4845.714339][ T1076] ipv6_find_idev+0x102/0x170 [ 4845.714339][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4845.714339][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4845.714339][ T1076] netlink_rcv_skb+0x130/0x360 [ 4845.714339][ T1076] netlink_unicast+0x449/0x710 [ 4845.714339][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4845.714339][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4845.714339][ T1076] ___sys_sendmsg+0xee/0x170 [ 4845.714339][ T1076] __sys_sendmsg+0xcd/0x170 [ 4845.714339][ T1076] do_syscall_64+0xc6/0x1e0 [ 4845.714339][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4845.714339][ T1076] [ 4855.733755][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4855.734295][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4855.734295][ T1076] netdev_get_by_index+0x5e/0x80 [ 4855.734295][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4855.734295][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4855.734295][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4855.734295][ T1076] ipv6_add_addr+0x411/0x2000 [ 4855.734295][ T1076] inet6_addr_add+0x30e/0xa40 [ 4855.734295][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4855.734295][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4855.734295][ T1076] netlink_rcv_skb+0x130/0x360 [ 4855.734295][ T1076] netlink_unicast+0x449/0x710 [ 4855.734295][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4855.734295][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4855.734295][ T1076] ___sys_sendmsg+0xee/0x170 [ 4855.734295][ T1076] __sys_sendmsg+0xcd/0x170 [ 4855.734295][ T1076] do_syscall_64+0xc6/0x1e0 [ 4855.734295][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4855.734295][ T1076] [ 4855.736597][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4855.736597][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4855.736597][ T1076] ipv6_find_idev+0x102/0x170 [ 4855.736597][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4855.736597][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4855.736597][ T1076] netlink_rcv_skb+0x130/0x360 [ 4855.736597][ T1076] netlink_unicast+0x449/0x710 [ 4855.736597][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4855.736597][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4855.736597][ T1076] ___sys_sendmsg+0xee/0x170 [ 4855.736597][ T1076] __sys_sendmsg+0xcd/0x170 [ 4855.736597][ T1076] do_syscall_64+0xc6/0x1e0 [ 4855.736597][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4855.736597][ T1076] [ 4855.738355][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4855.738355][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4855.738355][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4855.738355][ T1076] ipv6_find_idev+0x102/0x170 [ 4855.738355][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4855.738355][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4855.738355][ T1076] netlink_rcv_skb+0x130/0x360 [ 4855.738355][ T1076] netlink_unicast+0x449/0x710 [ 4855.738355][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4855.738355][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4855.738355][ T1076] ___sys_sendmsg+0xee/0x170 [ 4855.738355][ T1076] __sys_sendmsg+0xcd/0x170 [ 4855.738355][ T1076] do_syscall_64+0xc6/0x1e0 [ 4855.738355][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4855.738355][ T1076] [ 4866.037883][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4866.038427][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4866.038427][ T1076] netdev_get_by_index+0x5e/0x80 [ 4866.038427][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4866.038427][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4866.038427][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4866.038427][ T1076] ipv6_add_addr+0x411/0x2000 [ 4866.038427][ T1076] inet6_addr_add+0x30e/0xa40 [ 4866.038427][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.038427][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.038427][ T1076] netlink_rcv_skb+0x130/0x360 [ 4866.038427][ T1076] netlink_unicast+0x449/0x710 [ 4866.038427][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4866.038427][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4866.038427][ T1076] ___sys_sendmsg+0xee/0x170 [ 4866.038427][ T1076] __sys_sendmsg+0xcd/0x170 [ 4866.038427][ T1076] do_syscall_64+0xc6/0x1e0 [ 4866.038427][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.038427][ T1076] [ 4866.040743][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4866.040743][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4866.040743][ T1076] ipv6_find_idev+0x102/0x170 [ 4866.040743][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.040743][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.040743][ T1076] netlink_rcv_skb+0x130/0x360 [ 4866.040743][ T1076] netlink_unicast+0x449/0x710 [ 4866.040743][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4866.040743][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4866.040743][ T1076] ___sys_sendmsg+0xee/0x170 [ 4866.040743][ T1076] __sys_sendmsg+0xcd/0x170 [ 4866.040743][ T1076] do_syscall_64+0xc6/0x1e0 [ 4866.040743][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.040743][ T1076] [ 4866.042494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4866.042494][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4866.042494][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4866.042494][ T1076] ipv6_find_idev+0x102/0x170 [ 4866.042494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.042494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.042494][ T1076] netlink_rcv_skb+0x130/0x360 [ 4866.042494][ T1076] netlink_unicast+0x449/0x710 [ 4866.042494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4866.042494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4866.042494][ T1076] ___sys_sendmsg+0xee/0x170 [ 4866.042494][ T1076] __sys_sendmsg+0xcd/0x170 [ 4866.042494][ T1076] do_syscall_64+0xc6/0x1e0 [ 4866.042494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.042494][ T1076] [ 4876.221745][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4876.222251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4876.222251][ T1076] netdev_get_by_index+0x5e/0x80 [ 4876.222251][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4876.222251][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4876.222251][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4876.222251][ T1076] ipv6_add_addr+0x411/0x2000 [ 4876.222251][ T1076] inet6_addr_add+0x30e/0xa40 [ 4876.222251][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.222251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.222251][ T1076] netlink_rcv_skb+0x130/0x360 [ 4876.222251][ T1076] netlink_unicast+0x449/0x710 [ 4876.222251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4876.222251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4876.222251][ T1076] ___sys_sendmsg+0xee/0x170 [ 4876.222251][ T1076] __sys_sendmsg+0xcd/0x170 [ 4876.222251][ T1076] do_syscall_64+0xc6/0x1e0 [ 4876.222251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.222251][ T1076] [ 4876.224540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4876.224540][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4876.224540][ T1076] ipv6_find_idev+0x102/0x170 [ 4876.224540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.224540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.224540][ T1076] netlink_rcv_skb+0x130/0x360 [ 4876.224540][ T1076] netlink_unicast+0x449/0x710 [ 4876.224540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4876.224540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4876.224540][ T1076] ___sys_sendmsg+0xee/0x170 [ 4876.224540][ T1076] __sys_sendmsg+0xcd/0x170 [ 4876.224540][ T1076] do_syscall_64+0xc6/0x1e0 [ 4876.224540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.224540][ T1076] [ 4876.226380][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4876.226380][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4876.226380][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4876.226380][ T1076] ipv6_find_idev+0x102/0x170 [ 4876.226380][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.226380][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.226380][ T1076] netlink_rcv_skb+0x130/0x360 [ 4876.226380][ T1076] netlink_unicast+0x449/0x710 [ 4876.226380][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4876.226380][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4876.226380][ T1076] ___sys_sendmsg+0xee/0x170 [ 4876.226380][ T1076] __sys_sendmsg+0xcd/0x170 [ 4876.226380][ T1076] do_syscall_64+0xc6/0x1e0 [ 4876.226380][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.226380][ T1076] [ 4886.469732][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4886.470257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4886.470257][ T1076] netdev_get_by_index+0x5e/0x80 [ 4886.470257][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4886.470257][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4886.470257][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4886.470257][ T1076] ipv6_add_addr+0x411/0x2000 [ 4886.470257][ T1076] inet6_addr_add+0x30e/0xa40 [ 4886.470257][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4886.470257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4886.470257][ T1076] netlink_rcv_skb+0x130/0x360 [ 4886.470257][ T1076] netlink_unicast+0x449/0x710 [ 4886.470257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4886.470257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4886.470257][ T1076] ___sys_sendmsg+0xee/0x170 [ 4886.470257][ T1076] __sys_sendmsg+0xcd/0x170 [ 4886.470257][ T1076] do_syscall_64+0xc6/0x1e0 [ 4886.470257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4886.470257][ T1076] [ 4886.472523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4886.472523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4886.472523][ T1076] ipv6_find_idev+0x102/0x170 [ 4886.472523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4886.472523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4886.472523][ T1076] netlink_rcv_skb+0x130/0x360 [ 4886.472523][ T1076] netlink_unicast+0x449/0x710 [ 4886.472523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4886.472523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4886.472523][ T1076] ___sys_sendmsg+0xee/0x170 [ 4886.472523][ T1076] __sys_sendmsg+0xcd/0x170 [ 4886.472523][ T1076] do_syscall_64+0xc6/0x1e0 [ 4886.472523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4886.472523][ T1076] [ 4886.474259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4886.474259][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4886.474259][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4886.474259][ T1076] ipv6_find_idev+0x102/0x170 [ 4886.474259][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4886.474259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4886.474259][ T1076] netlink_rcv_skb+0x130/0x360 [ 4886.474259][ T1076] netlink_unicast+0x449/0x710 [ 4886.474259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4886.474259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4886.474259][ T1076] ___sys_sendmsg+0xee/0x170 [ 4886.474259][ T1076] __sys_sendmsg+0xcd/0x170 [ 4886.474259][ T1076] do_syscall_64+0xc6/0x1e0 [ 4886.474259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4886.474259][ T1076] [ 4896.717768][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4896.718290][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4896.718290][ T1076] netdev_get_by_index+0x5e/0x80 [ 4896.718290][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4896.718290][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4896.718290][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4896.718290][ T1076] ipv6_add_addr+0x411/0x2000 [ 4896.718290][ T1076] inet6_addr_add+0x30e/0xa40 [ 4896.718290][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4896.718290][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4896.718290][ T1076] netlink_rcv_skb+0x130/0x360 [ 4896.718290][ T1076] netlink_unicast+0x449/0x710 [ 4896.718290][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4896.718290][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4896.718290][ T1076] ___sys_sendmsg+0xee/0x170 [ 4896.718290][ T1076] __sys_sendmsg+0xcd/0x170 [ 4896.718290][ T1076] do_syscall_64+0xc6/0x1e0 [ 4896.718290][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4896.718290][ T1076] [ 4896.720577][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4896.720577][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4896.720577][ T1076] ipv6_find_idev+0x102/0x170 [ 4896.720577][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4896.720577][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4896.720577][ T1076] netlink_rcv_skb+0x130/0x360 [ 4896.720577][ T1076] netlink_unicast+0x449/0x710 [ 4896.720577][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4896.720577][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4896.720577][ T1076] ___sys_sendmsg+0xee/0x170 [ 4896.720577][ T1076] __sys_sendmsg+0xcd/0x170 [ 4896.720577][ T1076] do_syscall_64+0xc6/0x1e0 [ 4896.720577][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4896.720577][ T1076] [ 4896.722312][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4896.722312][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4896.722312][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4896.722312][ T1076] ipv6_find_idev+0x102/0x170 [ 4896.722312][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4896.722312][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4896.722312][ T1076] netlink_rcv_skb+0x130/0x360 [ 4896.722312][ T1076] netlink_unicast+0x449/0x710 [ 4896.722312][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4896.722312][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4896.722312][ T1076] ___sys_sendmsg+0xee/0x170 [ 4896.722312][ T1076] __sys_sendmsg+0xcd/0x170 [ 4896.722312][ T1076] do_syscall_64+0xc6/0x1e0 [ 4896.722312][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4896.722312][ T1076] [ 4906.909711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4906.910183][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4906.910183][ T1076] netdev_get_by_index+0x5e/0x80 [ 4906.910183][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4906.910183][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4906.910183][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4906.910183][ T1076] ipv6_add_addr+0x411/0x2000 [ 4906.910183][ T1076] inet6_addr_add+0x30e/0xa40 [ 4906.910183][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4906.910183][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4906.910183][ T1076] netlink_rcv_skb+0x130/0x360 [ 4906.910183][ T1076] netlink_unicast+0x449/0x710 [ 4906.910183][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4906.910183][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4906.910183][ T1076] ___sys_sendmsg+0xee/0x170 [ 4906.910183][ T1076] __sys_sendmsg+0xcd/0x170 [ 4906.910183][ T1076] do_syscall_64+0xc6/0x1e0 [ 4906.910183][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4906.910183][ T1076] [ 4906.912434][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4906.912434][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4906.912434][ T1076] ipv6_find_idev+0x102/0x170 [ 4906.912434][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4906.912434][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4906.912434][ T1076] netlink_rcv_skb+0x130/0x360 [ 4906.912434][ T1076] netlink_unicast+0x449/0x710 [ 4906.912434][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4906.912434][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4906.912434][ T1076] ___sys_sendmsg+0xee/0x170 [ 4906.912434][ T1076] __sys_sendmsg+0xcd/0x170 [ 4906.912434][ T1076] do_syscall_64+0xc6/0x1e0 [ 4906.912434][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4906.912434][ T1076] [ 4906.914184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4906.914184][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4906.914184][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4906.914184][ T1076] ipv6_find_idev+0x102/0x170 [ 4906.914184][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4906.914184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4906.914184][ T1076] netlink_rcv_skb+0x130/0x360 [ 4906.914184][ T1076] netlink_unicast+0x449/0x710 [ 4906.914184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4906.914184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4906.914184][ T1076] ___sys_sendmsg+0xee/0x170 [ 4906.914184][ T1076] __sys_sendmsg+0xcd/0x170 [ 4906.914184][ T1076] do_syscall_64+0xc6/0x1e0 [ 4906.914184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4906.914184][ T1076] [ 4917.157722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4917.158240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4917.158240][ T1076] netdev_get_by_index+0x5e/0x80 [ 4917.158240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4917.158240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4917.158240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4917.158240][ T1076] ipv6_add_addr+0x411/0x2000 [ 4917.158240][ T1076] inet6_addr_add+0x30e/0xa40 [ 4917.158240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.158240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.158240][ T1076] netlink_rcv_skb+0x130/0x360 [ 4917.158240][ T1076] netlink_unicast+0x449/0x710 [ 4917.158240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4917.158240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4917.158240][ T1076] ___sys_sendmsg+0xee/0x170 [ 4917.158240][ T1076] __sys_sendmsg+0xcd/0x170 [ 4917.158240][ T1076] do_syscall_64+0xc6/0x1e0 [ 4917.158240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.158240][ T1076] [ 4917.160523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4917.160523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4917.160523][ T1076] ipv6_find_idev+0x102/0x170 [ 4917.160523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.160523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.160523][ T1076] netlink_rcv_skb+0x130/0x360 [ 4917.160523][ T1076] netlink_unicast+0x449/0x710 [ 4917.160523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4917.160523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4917.160523][ T1076] ___sys_sendmsg+0xee/0x170 [ 4917.160523][ T1076] __sys_sendmsg+0xcd/0x170 [ 4917.160523][ T1076] do_syscall_64+0xc6/0x1e0 [ 4917.160523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.160523][ T1076] [ 4917.162244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4917.162244][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4917.162244][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4917.162244][ T1076] ipv6_find_idev+0x102/0x170 [ 4917.162244][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.162244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.162244][ T1076] netlink_rcv_skb+0x130/0x360 [ 4917.162244][ T1076] netlink_unicast+0x449/0x710 [ 4917.162244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4917.162244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4917.162244][ T1076] ___sys_sendmsg+0xee/0x170 [ 4917.162244][ T1076] __sys_sendmsg+0xcd/0x170 [ 4917.162244][ T1076] do_syscall_64+0xc6/0x1e0 [ 4917.162244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.162244][ T1076] [ 4927.413742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4927.414737][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4927.414737][ T1076] netdev_get_by_index+0x5e/0x80 [ 4927.414737][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4927.414737][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4927.414737][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4927.414737][ T1076] ipv6_add_addr+0x411/0x2000 [ 4927.414737][ T1076] inet6_addr_add+0x30e/0xa40 [ 4927.414737][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.414737][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.414737][ T1076] netlink_rcv_skb+0x130/0x360 [ 4927.414737][ T1076] netlink_unicast+0x449/0x710 [ 4927.414737][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4927.414737][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4927.414737][ T1076] ___sys_sendmsg+0xee/0x170 [ 4927.414737][ T1076] __sys_sendmsg+0xcd/0x170 [ 4927.414737][ T1076] do_syscall_64+0xc6/0x1e0 [ 4927.414737][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.414737][ T1076] [ 4927.416996][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4927.416996][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4927.416996][ T1076] ipv6_find_idev+0x102/0x170 [ 4927.416996][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.416996][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.416996][ T1076] netlink_rcv_skb+0x130/0x360 [ 4927.416996][ T1076] netlink_unicast+0x449/0x710 [ 4927.416996][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4927.416996][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4927.416996][ T1076] ___sys_sendmsg+0xee/0x170 [ 4927.416996][ T1076] __sys_sendmsg+0xcd/0x170 [ 4927.416996][ T1076] do_syscall_64+0xc6/0x1e0 [ 4927.416996][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.416996][ T1076] [ 4927.418719][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4927.418719][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4927.418719][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4927.418719][ T1076] ipv6_find_idev+0x102/0x170 [ 4927.418719][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.418719][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.418719][ T1076] netlink_rcv_skb+0x130/0x360 [ 4927.418719][ T1076] netlink_unicast+0x449/0x710 [ 4927.418719][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4927.418719][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4927.418719][ T1076] ___sys_sendmsg+0xee/0x170 [ 4927.418719][ T1076] __sys_sendmsg+0xcd/0x170 [ 4927.418719][ T1076] do_syscall_64+0xc6/0x1e0 [ 4927.418719][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.418719][ T1076] [ 4937.421754][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4937.422241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4937.422241][ T1076] netdev_get_by_index+0x5e/0x80 [ 4937.422241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4937.422241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4937.422241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4937.422241][ T1076] ipv6_add_addr+0x411/0x2000 [ 4937.422241][ T1076] inet6_addr_add+0x30e/0xa40 [ 4937.422241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.422241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.422241][ T1076] netlink_rcv_skb+0x130/0x360 [ 4937.422241][ T1076] netlink_unicast+0x449/0x710 [ 4937.422241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4937.422241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4937.422241][ T1076] ___sys_sendmsg+0xee/0x170 [ 4937.422241][ T1076] __sys_sendmsg+0xcd/0x170 [ 4937.422241][ T1076] do_syscall_64+0xc6/0x1e0 [ 4937.422241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.422241][ T1076] [ 4937.424724][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4937.424724][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4937.424724][ T1076] ipv6_find_idev+0x102/0x170 [ 4937.424724][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.424724][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.424724][ T1076] netlink_rcv_skb+0x130/0x360 [ 4937.424724][ T1076] netlink_unicast+0x449/0x710 [ 4937.424724][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4937.424724][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4937.424724][ T1076] ___sys_sendmsg+0xee/0x170 [ 4937.424724][ T1076] __sys_sendmsg+0xcd/0x170 [ 4937.424724][ T1076] do_syscall_64+0xc6/0x1e0 [ 4937.424724][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.424724][ T1076] [ 4937.426596][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4937.426596][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4937.426596][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4937.426596][ T1076] ipv6_find_idev+0x102/0x170 [ 4937.426596][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.426596][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.426596][ T1076] netlink_rcv_skb+0x130/0x360 [ 4937.426596][ T1076] netlink_unicast+0x449/0x710 [ 4937.426596][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4937.426596][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4937.426596][ T1076] ___sys_sendmsg+0xee/0x170 [ 4937.426596][ T1076] __sys_sendmsg+0xcd/0x170 [ 4937.426596][ T1076] do_syscall_64+0xc6/0x1e0 [ 4937.426596][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.426596][ T1076] [ 4947.445727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4947.446196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4947.446196][ T1076] netdev_get_by_index+0x5e/0x80 [ 4947.446196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4947.446196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4947.446196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4947.446196][ T1076] ipv6_add_addr+0x411/0x2000 [ 4947.446196][ T1076] inet6_addr_add+0x30e/0xa40 [ 4947.446196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4947.446196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4947.446196][ T1076] netlink_rcv_skb+0x130/0x360 [ 4947.446196][ T1076] netlink_unicast+0x449/0x710 [ 4947.446196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4947.446196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4947.446196][ T1076] ___sys_sendmsg+0xee/0x170 [ 4947.446196][ T1076] __sys_sendmsg+0xcd/0x170 [ 4947.446196][ T1076] do_syscall_64+0xc6/0x1e0 [ 4947.446196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4947.446196][ T1076] [ 4947.448512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4947.448512][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4947.448512][ T1076] ipv6_find_idev+0x102/0x170 [ 4947.448512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4947.448512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4947.448512][ T1076] netlink_rcv_skb+0x130/0x360 [ 4947.448512][ T1076] netlink_unicast+0x449/0x710 [ 4947.448512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4947.448512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4947.448512][ T1076] ___sys_sendmsg+0xee/0x170 [ 4947.448512][ T1076] __sys_sendmsg+0xcd/0x170 [ 4947.448512][ T1076] do_syscall_64+0xc6/0x1e0 [ 4947.448512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4947.448512][ T1076] [ 4947.450294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4947.450294][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4947.450294][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4947.450294][ T1076] ipv6_find_idev+0x102/0x170 [ 4947.450294][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4947.450294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4947.450294][ T1076] netlink_rcv_skb+0x130/0x360 [ 4947.450294][ T1076] netlink_unicast+0x449/0x710 [ 4947.450294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4947.450294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4947.450294][ T1076] ___sys_sendmsg+0xee/0x170 [ 4947.450294][ T1076] __sys_sendmsg+0xcd/0x170 [ 4947.450294][ T1076] do_syscall_64+0xc6/0x1e0 [ 4947.450294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4947.450294][ T1076] [ 4957.453748][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4957.454286][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4957.454286][ T1076] netdev_get_by_index+0x5e/0x80 [ 4957.454286][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4957.454286][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4957.454286][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4957.454286][ T1076] ipv6_add_addr+0x411/0x2000 [ 4957.454286][ T1076] inet6_addr_add+0x30e/0xa40 [ 4957.454286][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4957.454286][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4957.454286][ T1076] netlink_rcv_skb+0x130/0x360 [ 4957.454286][ T1076] netlink_unicast+0x449/0x710 [ 4957.454286][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4957.454286][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4957.454286][ T1076] ___sys_sendmsg+0xee/0x170 [ 4957.454286][ T1076] __sys_sendmsg+0xcd/0x170 [ 4957.454286][ T1076] do_syscall_64+0xc6/0x1e0 [ 4957.454286][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4957.454286][ T1076] [ 4957.456586][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4957.456586][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4957.456586][ T1076] ipv6_find_idev+0x102/0x170 [ 4957.456586][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4957.456586][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4957.456586][ T1076] netlink_rcv_skb+0x130/0x360 [ 4957.456586][ T1076] netlink_unicast+0x449/0x710 [ 4957.456586][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4957.456586][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4957.456586][ T1076] ___sys_sendmsg+0xee/0x170 [ 4957.456586][ T1076] __sys_sendmsg+0xcd/0x170 [ 4957.456586][ T1076] do_syscall_64+0xc6/0x1e0 [ 4957.456586][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4957.456586][ T1076] [ 4957.458355][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4957.458355][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4957.458355][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4957.458355][ T1076] ipv6_find_idev+0x102/0x170 [ 4957.458355][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4957.458355][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4957.458355][ T1076] netlink_rcv_skb+0x130/0x360 [ 4957.458355][ T1076] netlink_unicast+0x449/0x710 [ 4957.458355][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4957.458355][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4957.458355][ T1076] ___sys_sendmsg+0xee/0x170 [ 4957.458355][ T1076] __sys_sendmsg+0xcd/0x170 [ 4957.458355][ T1076] do_syscall_64+0xc6/0x1e0 [ 4957.458355][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4957.458355][ T1076] [ 4967.709806][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4967.710333][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4967.710333][ T1076] netdev_get_by_index+0x5e/0x80 [ 4967.710333][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4967.710333][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4967.710333][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4967.710333][ T1076] ipv6_add_addr+0x411/0x2000 [ 4967.710333][ T1076] inet6_addr_add+0x30e/0xa40 [ 4967.710333][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4967.710333][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4967.710333][ T1076] netlink_rcv_skb+0x130/0x360 [ 4967.710333][ T1076] netlink_unicast+0x449/0x710 [ 4967.710333][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4967.710333][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4967.710333][ T1076] ___sys_sendmsg+0xee/0x170 [ 4967.710333][ T1076] __sys_sendmsg+0xcd/0x170 [ 4967.710333][ T1076] do_syscall_64+0xc6/0x1e0 [ 4967.710333][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4967.710333][ T1076] [ 4967.712633][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4967.712633][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4967.712633][ T1076] ipv6_find_idev+0x102/0x170 [ 4967.712633][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4967.712633][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4967.712633][ T1076] netlink_rcv_skb+0x130/0x360 [ 4967.712633][ T1076] netlink_unicast+0x449/0x710 [ 4967.712633][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4967.712633][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4967.712633][ T1076] ___sys_sendmsg+0xee/0x170 [ 4967.712633][ T1076] __sys_sendmsg+0xcd/0x170 [ 4967.712633][ T1076] do_syscall_64+0xc6/0x1e0 [ 4967.712633][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4967.712633][ T1076] [ 4967.714499][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4967.714499][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4967.714499][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4967.714499][ T1076] ipv6_find_idev+0x102/0x170 [ 4967.714499][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4967.714499][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4967.714499][ T1076] netlink_rcv_skb+0x130/0x360 [ 4967.714499][ T1076] netlink_unicast+0x449/0x710 [ 4967.714499][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4967.714499][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4967.714499][ T1076] ___sys_sendmsg+0xee/0x170 [ 4967.714499][ T1076] __sys_sendmsg+0xcd/0x170 [ 4967.714499][ T1076] do_syscall_64+0xc6/0x1e0 [ 4967.714499][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4967.714499][ T1076] [ 4977.965736][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4977.966198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4977.966198][ T1076] netdev_get_by_index+0x5e/0x80 [ 4977.966198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4977.966198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4977.966198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4977.966198][ T1076] ipv6_add_addr+0x411/0x2000 [ 4977.966198][ T1076] inet6_addr_add+0x30e/0xa40 [ 4977.966198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4977.966198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4977.966198][ T1076] netlink_rcv_skb+0x130/0x360 [ 4977.966198][ T1076] netlink_unicast+0x449/0x710 [ 4977.966198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4977.966198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4977.966198][ T1076] ___sys_sendmsg+0xee/0x170 [ 4977.966198][ T1076] __sys_sendmsg+0xcd/0x170 [ 4977.966198][ T1076] do_syscall_64+0xc6/0x1e0 [ 4977.966198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4977.966198][ T1076] [ 4977.968504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4977.968504][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4977.968504][ T1076] ipv6_find_idev+0x102/0x170 [ 4977.968504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4977.968504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4977.968504][ T1076] netlink_rcv_skb+0x130/0x360 [ 4977.968504][ T1076] netlink_unicast+0x449/0x710 [ 4977.968504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4977.968504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4977.968504][ T1076] ___sys_sendmsg+0xee/0x170 [ 4977.968504][ T1076] __sys_sendmsg+0xcd/0x170 [ 4977.968504][ T1076] do_syscall_64+0xc6/0x1e0 [ 4977.968504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4977.968504][ T1076] [ 4977.970283][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4977.970283][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4977.970283][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4977.970283][ T1076] ipv6_find_idev+0x102/0x170 [ 4977.970283][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4977.970283][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4977.970283][ T1076] netlink_rcv_skb+0x130/0x360 [ 4977.970283][ T1076] netlink_unicast+0x449/0x710 [ 4977.970283][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4977.970283][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4977.970283][ T1076] ___sys_sendmsg+0xee/0x170 [ 4977.970283][ T1076] __sys_sendmsg+0xcd/0x170 [ 4977.970283][ T1076] do_syscall_64+0xc6/0x1e0 [ 4977.970283][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4977.970283][ T1076] [ 4988.117784][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4988.118341][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4988.118341][ T1076] netdev_get_by_index+0x5e/0x80 [ 4988.118341][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4988.118341][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4988.118341][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4988.118341][ T1076] ipv6_add_addr+0x411/0x2000 [ 4988.118341][ T1076] inet6_addr_add+0x30e/0xa40 [ 4988.118341][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.118341][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.118341][ T1076] netlink_rcv_skb+0x130/0x360 [ 4988.118341][ T1076] netlink_unicast+0x449/0x710 [ 4988.118341][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4988.118341][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4988.118341][ T1076] ___sys_sendmsg+0xee/0x170 [ 4988.118341][ T1076] __sys_sendmsg+0xcd/0x170 [ 4988.118341][ T1076] do_syscall_64+0xc6/0x1e0 [ 4988.118341][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.118341][ T1076] [ 4988.120667][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4988.120667][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4988.120667][ T1076] ipv6_find_idev+0x102/0x170 [ 4988.120667][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.120667][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.120667][ T1076] netlink_rcv_skb+0x130/0x360 [ 4988.120667][ T1076] netlink_unicast+0x449/0x710 [ 4988.120667][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4988.120667][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4988.120667][ T1076] ___sys_sendmsg+0xee/0x170 [ 4988.120667][ T1076] __sys_sendmsg+0xcd/0x170 [ 4988.120667][ T1076] do_syscall_64+0xc6/0x1e0 [ 4988.120667][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.120667][ T1076] [ 4988.122437][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4988.122437][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4988.122437][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4988.122437][ T1076] ipv6_find_idev+0x102/0x170 [ 4988.122437][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.122437][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.122437][ T1076] netlink_rcv_skb+0x130/0x360 [ 4988.122437][ T1076] netlink_unicast+0x449/0x710 [ 4988.122437][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4988.122437][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4988.122437][ T1076] ___sys_sendmsg+0xee/0x170 [ 4988.122437][ T1076] __sys_sendmsg+0xcd/0x170 [ 4988.122437][ T1076] do_syscall_64+0xc6/0x1e0 [ 4988.122437][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.122437][ T1076] [ 4998.261714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 4998.262367][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4998.262367][ T1076] netdev_get_by_index+0x5e/0x80 [ 4998.262367][ T1076] fib6_nh_init+0x3d8/0x1580 [ 4998.262367][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 4998.262367][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 4998.262367][ T1076] ipv6_add_addr+0x411/0x2000 [ 4998.262367][ T1076] inet6_addr_add+0x30e/0xa40 [ 4998.262367][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.262367][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.262367][ T1076] netlink_rcv_skb+0x130/0x360 [ 4998.262367][ T1076] netlink_unicast+0x449/0x710 [ 4998.262367][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4998.262367][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4998.262367][ T1076] ___sys_sendmsg+0xee/0x170 [ 4998.262367][ T1076] __sys_sendmsg+0xcd/0x170 [ 4998.262367][ T1076] do_syscall_64+0xc6/0x1e0 [ 4998.262367][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.262367][ T1076] [ 4998.266019][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4998.266019][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 4998.266019][ T1076] ipv6_find_idev+0x102/0x170 [ 4998.266019][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.266019][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.266019][ T1076] netlink_rcv_skb+0x130/0x360 [ 4998.266019][ T1076] netlink_unicast+0x449/0x710 [ 4998.266019][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4998.266019][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4998.266019][ T1076] ___sys_sendmsg+0xee/0x170 [ 4998.266019][ T1076] __sys_sendmsg+0xcd/0x170 [ 4998.266019][ T1076] do_syscall_64+0xc6/0x1e0 [ 4998.266019][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.266019][ T1076] [ 4998.268687][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 4998.268687][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 4998.268687][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 4998.268687][ T1076] ipv6_find_idev+0x102/0x170 [ 4998.268687][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.268687][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.268687][ T1076] netlink_rcv_skb+0x130/0x360 [ 4998.268687][ T1076] netlink_unicast+0x449/0x710 [ 4998.268687][ T1076] netlink_sendmsg+0x723/0xbe0 [ 4998.268687][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 4998.268687][ T1076] ___sys_sendmsg+0xee/0x170 [ 4998.268687][ T1076] __sys_sendmsg+0xcd/0x170 [ 4998.268687][ T1076] do_syscall_64+0xc6/0x1e0 [ 4998.268687][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.268687][ T1076] [ 5008.509689][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5008.510445][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5008.510445][ T1076] netdev_get_by_index+0x5e/0x80 [ 5008.510445][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5008.510445][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5008.510445][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5008.510445][ T1076] ipv6_add_addr+0x411/0x2000 [ 5008.510445][ T1076] inet6_addr_add+0x30e/0xa40 [ 5008.510445][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5008.510445][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5008.510445][ T1076] netlink_rcv_skb+0x130/0x360 [ 5008.510445][ T1076] netlink_unicast+0x449/0x710 [ 5008.510445][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5008.510445][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5008.510445][ T1076] ___sys_sendmsg+0xee/0x170 [ 5008.510445][ T1076] __sys_sendmsg+0xcd/0x170 [ 5008.510445][ T1076] do_syscall_64+0xc6/0x1e0 [ 5008.510445][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5008.510445][ T1076] [ 5008.514103][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5008.514103][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5008.514103][ T1076] ipv6_find_idev+0x102/0x170 [ 5008.514103][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5008.514103][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5008.514103][ T1076] netlink_rcv_skb+0x130/0x360 [ 5008.514103][ T1076] netlink_unicast+0x449/0x710 [ 5008.514103][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5008.514103][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5008.514103][ T1076] ___sys_sendmsg+0xee/0x170 [ 5008.514103][ T1076] __sys_sendmsg+0xcd/0x170 [ 5008.514103][ T1076] do_syscall_64+0xc6/0x1e0 [ 5008.514103][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5008.514103][ T1076] [ 5008.516882][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5008.516882][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5008.516882][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5008.516882][ T1076] ipv6_find_idev+0x102/0x170 [ 5008.516882][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5008.516882][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5008.516882][ T1076] netlink_rcv_skb+0x130/0x360 [ 5008.516882][ T1076] netlink_unicast+0x449/0x710 [ 5008.516882][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5008.516882][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5008.516882][ T1076] ___sys_sendmsg+0xee/0x170 [ 5008.516882][ T1076] __sys_sendmsg+0xcd/0x170 [ 5008.516882][ T1076] do_syscall_64+0xc6/0x1e0 [ 5008.516882][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5008.516882][ T1076] [ 5018.757831][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5018.758403][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5018.758403][ T1076] netdev_get_by_index+0x5e/0x80 [ 5018.758403][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5018.758403][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5018.758403][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5018.758403][ T1076] ipv6_add_addr+0x411/0x2000 [ 5018.758403][ T1076] inet6_addr_add+0x30e/0xa40 [ 5018.758403][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5018.758403][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5018.758403][ T1076] netlink_rcv_skb+0x130/0x360 [ 5018.758403][ T1076] netlink_unicast+0x449/0x710 [ 5018.758403][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5018.758403][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5018.758403][ T1076] ___sys_sendmsg+0xee/0x170 [ 5018.758403][ T1076] __sys_sendmsg+0xcd/0x170 [ 5018.758403][ T1076] do_syscall_64+0xc6/0x1e0 [ 5018.758403][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5018.758403][ T1076] [ 5018.760726][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5018.760726][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5018.760726][ T1076] ipv6_find_idev+0x102/0x170 [ 5018.760726][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5018.760726][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5018.760726][ T1076] netlink_rcv_skb+0x130/0x360 [ 5018.760726][ T1076] netlink_unicast+0x449/0x710 [ 5018.760726][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5018.760726][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5018.760726][ T1076] ___sys_sendmsg+0xee/0x170 [ 5018.760726][ T1076] __sys_sendmsg+0xcd/0x170 [ 5018.760726][ T1076] do_syscall_64+0xc6/0x1e0 [ 5018.760726][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5018.760726][ T1076] [ 5018.762492][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5018.762492][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5018.762492][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5018.762492][ T1076] ipv6_find_idev+0x102/0x170 [ 5018.762492][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5018.762492][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5018.762492][ T1076] netlink_rcv_skb+0x130/0x360 [ 5018.762492][ T1076] netlink_unicast+0x449/0x710 [ 5018.762492][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5018.762492][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5018.762492][ T1076] ___sys_sendmsg+0xee/0x170 [ 5018.762492][ T1076] __sys_sendmsg+0xcd/0x170 [ 5018.762492][ T1076] do_syscall_64+0xc6/0x1e0 [ 5018.762492][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5018.762492][ T1076] [ 5029.005657][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5029.006175][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5029.006175][ T1076] netdev_get_by_index+0x5e/0x80 [ 5029.006175][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5029.006175][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5029.006175][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5029.006175][ T1076] ipv6_add_addr+0x411/0x2000 [ 5029.006175][ T1076] inet6_addr_add+0x30e/0xa40 [ 5029.006175][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.006175][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.006175][ T1076] netlink_rcv_skb+0x130/0x360 [ 5029.006175][ T1076] netlink_unicast+0x449/0x710 [ 5029.006175][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5029.006175][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5029.006175][ T1076] ___sys_sendmsg+0xee/0x170 [ 5029.006175][ T1076] __sys_sendmsg+0xcd/0x170 [ 5029.006175][ T1076] do_syscall_64+0xc6/0x1e0 [ 5029.006175][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.006175][ T1076] [ 5029.008683][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5029.008683][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5029.008683][ T1076] ipv6_find_idev+0x102/0x170 [ 5029.008683][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.008683][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.008683][ T1076] netlink_rcv_skb+0x130/0x360 [ 5029.008683][ T1076] netlink_unicast+0x449/0x710 [ 5029.008683][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5029.008683][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5029.008683][ T1076] ___sys_sendmsg+0xee/0x170 [ 5029.008683][ T1076] __sys_sendmsg+0xcd/0x170 [ 5029.008683][ T1076] do_syscall_64+0xc6/0x1e0 [ 5029.008683][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.008683][ T1076] [ 5029.010479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5029.010479][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5029.010479][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5029.010479][ T1076] ipv6_find_idev+0x102/0x170 [ 5029.010479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.010479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.010479][ T1076] netlink_rcv_skb+0x130/0x360 [ 5029.010479][ T1076] netlink_unicast+0x449/0x710 [ 5029.010479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5029.010479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5029.010479][ T1076] ___sys_sendmsg+0xee/0x170 [ 5029.010479][ T1076] __sys_sendmsg+0xcd/0x170 [ 5029.010479][ T1076] do_syscall_64+0xc6/0x1e0 [ 5029.010479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.010479][ T1076] [ 5039.197801][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5039.198334][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5039.198334][ T1076] netdev_get_by_index+0x5e/0x80 [ 5039.198334][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5039.198334][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5039.198334][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5039.198334][ T1076] ipv6_add_addr+0x411/0x2000 [ 5039.198334][ T1076] inet6_addr_add+0x30e/0xa40 [ 5039.198334][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.198334][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.198334][ T1076] netlink_rcv_skb+0x130/0x360 [ 5039.198334][ T1076] netlink_unicast+0x449/0x710 [ 5039.198334][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5039.198334][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5039.198334][ T1076] ___sys_sendmsg+0xee/0x170 [ 5039.198334][ T1076] __sys_sendmsg+0xcd/0x170 [ 5039.198334][ T1076] do_syscall_64+0xc6/0x1e0 [ 5039.198334][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.198334][ T1076] [ 5039.200646][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5039.200646][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5039.200646][ T1076] ipv6_find_idev+0x102/0x170 [ 5039.200646][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.200646][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.200646][ T1076] netlink_rcv_skb+0x130/0x360 [ 5039.200646][ T1076] netlink_unicast+0x449/0x710 [ 5039.200646][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5039.200646][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5039.200646][ T1076] ___sys_sendmsg+0xee/0x170 [ 5039.200646][ T1076] __sys_sendmsg+0xcd/0x170 [ 5039.200646][ T1076] do_syscall_64+0xc6/0x1e0 [ 5039.200646][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.200646][ T1076] [ 5039.202402][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5039.202402][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5039.202402][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5039.202402][ T1076] ipv6_find_idev+0x102/0x170 [ 5039.202402][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.202402][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.202402][ T1076] netlink_rcv_skb+0x130/0x360 [ 5039.202402][ T1076] netlink_unicast+0x449/0x710 [ 5039.202402][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5039.202402][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5039.202402][ T1076] ___sys_sendmsg+0xee/0x170 [ 5039.202402][ T1076] __sys_sendmsg+0xcd/0x170 [ 5039.202402][ T1076] do_syscall_64+0xc6/0x1e0 [ 5039.202402][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.202402][ T1076] [ 5049.245774][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5049.246312][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5049.246312][ T1076] netdev_get_by_index+0x5e/0x80 [ 5049.246312][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5049.246312][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5049.246312][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5049.246312][ T1076] ipv6_add_addr+0x411/0x2000 [ 5049.246312][ T1076] inet6_addr_add+0x30e/0xa40 [ 5049.246312][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.246312][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.246312][ T1076] netlink_rcv_skb+0x130/0x360 [ 5049.246312][ T1076] netlink_unicast+0x449/0x710 [ 5049.246312][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5049.246312][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5049.246312][ T1076] ___sys_sendmsg+0xee/0x170 [ 5049.246312][ T1076] __sys_sendmsg+0xcd/0x170 [ 5049.246312][ T1076] do_syscall_64+0xc6/0x1e0 [ 5049.246312][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.246312][ T1076] [ 5049.248637][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5049.248637][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5049.248637][ T1076] ipv6_find_idev+0x102/0x170 [ 5049.248637][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.248637][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.248637][ T1076] netlink_rcv_skb+0x130/0x360 [ 5049.248637][ T1076] netlink_unicast+0x449/0x710 [ 5049.248637][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5049.248637][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5049.248637][ T1076] ___sys_sendmsg+0xee/0x170 [ 5049.248637][ T1076] __sys_sendmsg+0xcd/0x170 [ 5049.248637][ T1076] do_syscall_64+0xc6/0x1e0 [ 5049.248637][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.248637][ T1076] [ 5049.250414][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5049.250414][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5049.250414][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5049.250414][ T1076] ipv6_find_idev+0x102/0x170 [ 5049.250414][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.250414][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.250414][ T1076] netlink_rcv_skb+0x130/0x360 [ 5049.250414][ T1076] netlink_unicast+0x449/0x710 [ 5049.250414][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5049.250414][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5049.250414][ T1076] ___sys_sendmsg+0xee/0x170 [ 5049.250414][ T1076] __sys_sendmsg+0xcd/0x170 [ 5049.250414][ T1076] do_syscall_64+0xc6/0x1e0 [ 5049.250414][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.250414][ T1076] [ 5059.429727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5059.430263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5059.430263][ T1076] netdev_get_by_index+0x5e/0x80 [ 5059.430263][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5059.430263][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5059.430263][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5059.430263][ T1076] ipv6_add_addr+0x411/0x2000 [ 5059.430263][ T1076] inet6_addr_add+0x30e/0xa40 [ 5059.430263][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.430263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.430263][ T1076] netlink_rcv_skb+0x130/0x360 [ 5059.430263][ T1076] netlink_unicast+0x449/0x710 [ 5059.430263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5059.430263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5059.430263][ T1076] ___sys_sendmsg+0xee/0x170 [ 5059.430263][ T1076] __sys_sendmsg+0xcd/0x170 [ 5059.430263][ T1076] do_syscall_64+0xc6/0x1e0 [ 5059.430263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.430263][ T1076] [ 5059.432565][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5059.432565][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5059.432565][ T1076] ipv6_find_idev+0x102/0x170 [ 5059.432565][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.432565][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.432565][ T1076] netlink_rcv_skb+0x130/0x360 [ 5059.432565][ T1076] netlink_unicast+0x449/0x710 [ 5059.432565][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5059.432565][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5059.432565][ T1076] ___sys_sendmsg+0xee/0x170 [ 5059.432565][ T1076] __sys_sendmsg+0xcd/0x170 [ 5059.432565][ T1076] do_syscall_64+0xc6/0x1e0 [ 5059.432565][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.432565][ T1076] [ 5059.434334][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5059.434334][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5059.434334][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5059.434334][ T1076] ipv6_find_idev+0x102/0x170 [ 5059.434334][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.434334][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.434334][ T1076] netlink_rcv_skb+0x130/0x360 [ 5059.434334][ T1076] netlink_unicast+0x449/0x710 [ 5059.434334][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5059.434334][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5059.434334][ T1076] ___sys_sendmsg+0xee/0x170 [ 5059.434334][ T1076] __sys_sendmsg+0xcd/0x170 [ 5059.434334][ T1076] do_syscall_64+0xc6/0x1e0 [ 5059.434334][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.434334][ T1076] [ 5069.453659][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5069.454199][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5069.454199][ T1076] netdev_get_by_index+0x5e/0x80 [ 5069.454199][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5069.454199][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5069.454199][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5069.454199][ T1076] ipv6_add_addr+0x411/0x2000 [ 5069.454199][ T1076] inet6_addr_add+0x30e/0xa40 [ 5069.454199][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5069.454199][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5069.454199][ T1076] netlink_rcv_skb+0x130/0x360 [ 5069.454199][ T1076] netlink_unicast+0x449/0x710 [ 5069.454199][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5069.454199][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5069.454199][ T1076] ___sys_sendmsg+0xee/0x170 [ 5069.454199][ T1076] __sys_sendmsg+0xcd/0x170 [ 5069.454199][ T1076] do_syscall_64+0xc6/0x1e0 [ 5069.454199][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5069.454199][ T1076] [ 5069.456494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5069.456494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5069.456494][ T1076] ipv6_find_idev+0x102/0x170 [ 5069.456494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5069.456494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5069.456494][ T1076] netlink_rcv_skb+0x130/0x360 [ 5069.456494][ T1076] netlink_unicast+0x449/0x710 [ 5069.456494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5069.456494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5069.456494][ T1076] ___sys_sendmsg+0xee/0x170 [ 5069.456494][ T1076] __sys_sendmsg+0xcd/0x170 [ 5069.456494][ T1076] do_syscall_64+0xc6/0x1e0 [ 5069.456494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5069.456494][ T1076] [ 5069.458239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5069.458239][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5069.458239][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5069.458239][ T1076] ipv6_find_idev+0x102/0x170 [ 5069.458239][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5069.458239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5069.458239][ T1076] netlink_rcv_skb+0x130/0x360 [ 5069.458239][ T1076] netlink_unicast+0x449/0x710 [ 5069.458239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5069.458239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5069.458239][ T1076] ___sys_sendmsg+0xee/0x170 [ 5069.458239][ T1076] __sys_sendmsg+0xcd/0x170 [ 5069.458239][ T1076] do_syscall_64+0xc6/0x1e0 [ 5069.458239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5069.458239][ T1076] [ 5079.709680][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5079.710242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5079.710242][ T1076] netdev_get_by_index+0x5e/0x80 [ 5079.710242][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5079.710242][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5079.710242][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5079.710242][ T1076] ipv6_add_addr+0x411/0x2000 [ 5079.710242][ T1076] inet6_addr_add+0x30e/0xa40 [ 5079.710242][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5079.710242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5079.710242][ T1076] netlink_rcv_skb+0x130/0x360 [ 5079.710242][ T1076] netlink_unicast+0x449/0x710 [ 5079.710242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5079.710242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5079.710242][ T1076] ___sys_sendmsg+0xee/0x170 [ 5079.710242][ T1076] __sys_sendmsg+0xcd/0x170 [ 5079.710242][ T1076] do_syscall_64+0xc6/0x1e0 [ 5079.710242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5079.710242][ T1076] [ 5079.712528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5079.712528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5079.712528][ T1076] ipv6_find_idev+0x102/0x170 [ 5079.712528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5079.712528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5079.712528][ T1076] netlink_rcv_skb+0x130/0x360 [ 5079.712528][ T1076] netlink_unicast+0x449/0x710 [ 5079.712528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5079.712528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5079.712528][ T1076] ___sys_sendmsg+0xee/0x170 [ 5079.712528][ T1076] __sys_sendmsg+0xcd/0x170 [ 5079.712528][ T1076] do_syscall_64+0xc6/0x1e0 [ 5079.712528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5079.712528][ T1076] [ 5079.714289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5079.714289][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5079.714289][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5079.714289][ T1076] ipv6_find_idev+0x102/0x170 [ 5079.714289][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5079.714289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5079.714289][ T1076] netlink_rcv_skb+0x130/0x360 [ 5079.714289][ T1076] netlink_unicast+0x449/0x710 [ 5079.714289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5079.714289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5079.714289][ T1076] ___sys_sendmsg+0xee/0x170 [ 5079.714289][ T1076] __sys_sendmsg+0xcd/0x170 [ 5079.714289][ T1076] do_syscall_64+0xc6/0x1e0 [ 5079.714289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5079.714289][ T1076] [ 5089.965688][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5089.966289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5089.966289][ T1076] netdev_get_by_index+0x5e/0x80 [ 5089.966289][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5089.966289][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5089.966289][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5089.966289][ T1076] ipv6_add_addr+0x411/0x2000 [ 5089.966289][ T1076] inet6_addr_add+0x30e/0xa40 [ 5089.966289][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5089.966289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5089.966289][ T1076] netlink_rcv_skb+0x130/0x360 [ 5089.966289][ T1076] netlink_unicast+0x449/0x710 [ 5089.966289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5089.966289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5089.966289][ T1076] ___sys_sendmsg+0xee/0x170 [ 5089.966289][ T1076] __sys_sendmsg+0xcd/0x170 [ 5089.966289][ T1076] do_syscall_64+0xc6/0x1e0 [ 5089.966289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5089.966289][ T1076] [ 5089.968568][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5089.968568][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5089.968568][ T1076] ipv6_find_idev+0x102/0x170 [ 5089.968568][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5089.968568][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5089.968568][ T1076] netlink_rcv_skb+0x130/0x360 [ 5089.968568][ T1076] netlink_unicast+0x449/0x710 [ 5089.968568][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5089.968568][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5089.968568][ T1076] ___sys_sendmsg+0xee/0x170 [ 5089.968568][ T1076] __sys_sendmsg+0xcd/0x170 [ 5089.968568][ T1076] do_syscall_64+0xc6/0x1e0 [ 5089.968568][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5089.968568][ T1076] [ 5089.970318][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5089.970318][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5089.970318][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5089.970318][ T1076] ipv6_find_idev+0x102/0x170 [ 5089.970318][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5089.970318][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5089.970318][ T1076] netlink_rcv_skb+0x130/0x360 [ 5089.970318][ T1076] netlink_unicast+0x449/0x710 [ 5089.970318][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5089.970318][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5089.970318][ T1076] ___sys_sendmsg+0xee/0x170 [ 5089.970318][ T1076] __sys_sendmsg+0xcd/0x170 [ 5089.970318][ T1076] do_syscall_64+0xc6/0x1e0 [ 5089.970318][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5089.970318][ T1076] [ 5100.173822][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5100.174297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5100.174297][ T1076] netdev_get_by_index+0x5e/0x80 [ 5100.174297][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5100.174297][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5100.174297][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5100.174297][ T1076] ipv6_add_addr+0x411/0x2000 [ 5100.174297][ T1076] inet6_addr_add+0x30e/0xa40 [ 5100.174297][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.174297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.174297][ T1076] netlink_rcv_skb+0x130/0x360 [ 5100.174297][ T1076] netlink_unicast+0x449/0x710 [ 5100.174297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5100.174297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5100.174297][ T1076] ___sys_sendmsg+0xee/0x170 [ 5100.174297][ T1076] __sys_sendmsg+0xcd/0x170 [ 5100.174297][ T1076] do_syscall_64+0xc6/0x1e0 [ 5100.174297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.174297][ T1076] [ 5100.176592][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5100.176592][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5100.176592][ T1076] ipv6_find_idev+0x102/0x170 [ 5100.176592][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.176592][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.176592][ T1076] netlink_rcv_skb+0x130/0x360 [ 5100.176592][ T1076] netlink_unicast+0x449/0x710 [ 5100.176592][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5100.176592][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5100.176592][ T1076] ___sys_sendmsg+0xee/0x170 [ 5100.176592][ T1076] __sys_sendmsg+0xcd/0x170 [ 5100.176592][ T1076] do_syscall_64+0xc6/0x1e0 [ 5100.176592][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.176592][ T1076] [ 5100.178450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5100.178450][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5100.178450][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5100.178450][ T1076] ipv6_find_idev+0x102/0x170 [ 5100.178450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.178450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.178450][ T1076] netlink_rcv_skb+0x130/0x360 [ 5100.178450][ T1076] netlink_unicast+0x449/0x710 [ 5100.178450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5100.178450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5100.178450][ T1076] ___sys_sendmsg+0xee/0x170 [ 5100.178450][ T1076] __sys_sendmsg+0xcd/0x170 [ 5100.178450][ T1076] do_syscall_64+0xc6/0x1e0 [ 5100.178450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.178450][ T1076] [ 5110.429665][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5110.430317][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5110.430317][ T1076] netdev_get_by_index+0x5e/0x80 [ 5110.430317][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5110.430317][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5110.430317][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5110.430317][ T1076] ipv6_add_addr+0x411/0x2000 [ 5110.430317][ T1076] inet6_addr_add+0x30e/0xa40 [ 5110.430317][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.430317][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.430317][ T1076] netlink_rcv_skb+0x130/0x360 [ 5110.430317][ T1076] netlink_unicast+0x449/0x710 [ 5110.430317][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5110.430317][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5110.430317][ T1076] ___sys_sendmsg+0xee/0x170 [ 5110.430317][ T1076] __sys_sendmsg+0xcd/0x170 [ 5110.430317][ T1076] do_syscall_64+0xc6/0x1e0 [ 5110.430317][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.430317][ T1076] [ 5110.433987][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5110.433987][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5110.433987][ T1076] ipv6_find_idev+0x102/0x170 [ 5110.433987][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.433987][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.433987][ T1076] netlink_rcv_skb+0x130/0x360 [ 5110.433987][ T1076] netlink_unicast+0x449/0x710 [ 5110.433987][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5110.433987][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5110.433987][ T1076] ___sys_sendmsg+0xee/0x170 [ 5110.433987][ T1076] __sys_sendmsg+0xcd/0x170 [ 5110.433987][ T1076] do_syscall_64+0xc6/0x1e0 [ 5110.433987][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.433987][ T1076] [ 5110.436728][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5110.436728][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5110.436728][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5110.436728][ T1076] ipv6_find_idev+0x102/0x170 [ 5110.436728][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.436728][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.436728][ T1076] netlink_rcv_skb+0x130/0x360 [ 5110.436728][ T1076] netlink_unicast+0x449/0x710 [ 5110.436728][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5110.436728][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5110.436728][ T1076] ___sys_sendmsg+0xee/0x170 [ 5110.436728][ T1076] __sys_sendmsg+0xcd/0x170 [ 5110.436728][ T1076] do_syscall_64+0xc6/0x1e0 [ 5110.436728][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.436728][ T1076] [ 5120.685678][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5120.686189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5120.686189][ T1076] netdev_get_by_index+0x5e/0x80 [ 5120.686189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5120.686189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5120.686189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5120.686189][ T1076] ipv6_add_addr+0x411/0x2000 [ 5120.686189][ T1076] inet6_addr_add+0x30e/0xa40 [ 5120.686189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5120.686189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5120.686189][ T1076] netlink_rcv_skb+0x130/0x360 [ 5120.686189][ T1076] netlink_unicast+0x449/0x710 [ 5120.686189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5120.686189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5120.686189][ T1076] ___sys_sendmsg+0xee/0x170 [ 5120.686189][ T1076] __sys_sendmsg+0xcd/0x170 [ 5120.686189][ T1076] do_syscall_64+0xc6/0x1e0 [ 5120.686189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5120.686189][ T1076] [ 5120.688455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5120.688455][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5120.688455][ T1076] ipv6_find_idev+0x102/0x170 [ 5120.688455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5120.688455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5120.688455][ T1076] netlink_rcv_skb+0x130/0x360 [ 5120.688455][ T1076] netlink_unicast+0x449/0x710 [ 5120.688455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5120.688455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5120.688455][ T1076] ___sys_sendmsg+0xee/0x170 [ 5120.688455][ T1076] __sys_sendmsg+0xcd/0x170 [ 5120.688455][ T1076] do_syscall_64+0xc6/0x1e0 [ 5120.688455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5120.688455][ T1076] [ 5120.690203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5120.690203][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5120.690203][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5120.690203][ T1076] ipv6_find_idev+0x102/0x170 [ 5120.690203][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5120.690203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5120.690203][ T1076] netlink_rcv_skb+0x130/0x360 [ 5120.690203][ T1076] netlink_unicast+0x449/0x710 [ 5120.690203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5120.690203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5120.690203][ T1076] ___sys_sendmsg+0xee/0x170 [ 5120.690203][ T1076] __sys_sendmsg+0xcd/0x170 [ 5120.690203][ T1076] do_syscall_64+0xc6/0x1e0 [ 5120.690203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5120.690203][ T1076] [ 5130.941683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5130.942148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5130.942148][ T1076] netdev_get_by_index+0x5e/0x80 [ 5130.942148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5130.942148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5130.942148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5130.942148][ T1076] ipv6_add_addr+0x411/0x2000 [ 5130.942148][ T1076] inet6_addr_add+0x30e/0xa40 [ 5130.942148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5130.942148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5130.942148][ T1076] netlink_rcv_skb+0x130/0x360 [ 5130.942148][ T1076] netlink_unicast+0x449/0x710 [ 5130.942148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5130.942148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5130.942148][ T1076] ___sys_sendmsg+0xee/0x170 [ 5130.942148][ T1076] __sys_sendmsg+0xcd/0x170 [ 5130.942148][ T1076] do_syscall_64+0xc6/0x1e0 [ 5130.942148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5130.942148][ T1076] [ 5130.944400][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5130.944400][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5130.944400][ T1076] ipv6_find_idev+0x102/0x170 [ 5130.944400][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5130.944400][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5130.944400][ T1076] netlink_rcv_skb+0x130/0x360 [ 5130.944400][ T1076] netlink_unicast+0x449/0x710 [ 5130.944400][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5130.944400][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5130.944400][ T1076] ___sys_sendmsg+0xee/0x170 [ 5130.944400][ T1076] __sys_sendmsg+0xcd/0x170 [ 5130.944400][ T1076] do_syscall_64+0xc6/0x1e0 [ 5130.944400][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5130.944400][ T1076] [ 5130.946129][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5130.946129][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5130.946129][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5130.946129][ T1076] ipv6_find_idev+0x102/0x170 [ 5130.946129][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5130.946129][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5130.946129][ T1076] netlink_rcv_skb+0x130/0x360 [ 5130.946129][ T1076] netlink_unicast+0x449/0x710 [ 5130.946129][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5130.946129][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5130.946129][ T1076] ___sys_sendmsg+0xee/0x170 [ 5130.946129][ T1076] __sys_sendmsg+0xcd/0x170 [ 5130.946129][ T1076] do_syscall_64+0xc6/0x1e0 [ 5130.946129][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5130.946129][ T1076] [ 5141.197648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5141.198163][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5141.198163][ T1076] netdev_get_by_index+0x5e/0x80 [ 5141.198163][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5141.198163][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5141.198163][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5141.198163][ T1076] ipv6_add_addr+0x411/0x2000 [ 5141.198163][ T1076] inet6_addr_add+0x30e/0xa40 [ 5141.198163][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.198163][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.198163][ T1076] netlink_rcv_skb+0x130/0x360 [ 5141.198163][ T1076] netlink_unicast+0x449/0x710 [ 5141.198163][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5141.198163][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5141.198163][ T1076] ___sys_sendmsg+0xee/0x170 [ 5141.198163][ T1076] __sys_sendmsg+0xcd/0x170 [ 5141.198163][ T1076] do_syscall_64+0xc6/0x1e0 [ 5141.198163][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.198163][ T1076] [ 5141.200428][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5141.200428][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5141.200428][ T1076] ipv6_find_idev+0x102/0x170 [ 5141.200428][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.200428][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.200428][ T1076] netlink_rcv_skb+0x130/0x360 [ 5141.200428][ T1076] netlink_unicast+0x449/0x710 [ 5141.200428][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5141.200428][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5141.200428][ T1076] ___sys_sendmsg+0xee/0x170 [ 5141.200428][ T1076] __sys_sendmsg+0xcd/0x170 [ 5141.200428][ T1076] do_syscall_64+0xc6/0x1e0 [ 5141.200428][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.200428][ T1076] [ 5141.202152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5141.202152][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5141.202152][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5141.202152][ T1076] ipv6_find_idev+0x102/0x170 [ 5141.202152][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.202152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.202152][ T1076] netlink_rcv_skb+0x130/0x360 [ 5141.202152][ T1076] netlink_unicast+0x449/0x710 [ 5141.202152][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5141.202152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5141.202152][ T1076] ___sys_sendmsg+0xee/0x170 [ 5141.202152][ T1076] __sys_sendmsg+0xcd/0x170 [ 5141.202152][ T1076] do_syscall_64+0xc6/0x1e0 [ 5141.202152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.202152][ T1076] [ 5151.453654][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5151.454208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5151.454208][ T1076] netdev_get_by_index+0x5e/0x80 [ 5151.454208][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5151.454208][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5151.454208][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5151.454208][ T1076] ipv6_add_addr+0x411/0x2000 [ 5151.454208][ T1076] inet6_addr_add+0x30e/0xa40 [ 5151.454208][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.454208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.454208][ T1076] netlink_rcv_skb+0x130/0x360 [ 5151.454208][ T1076] netlink_unicast+0x449/0x710 [ 5151.454208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5151.454208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5151.454208][ T1076] ___sys_sendmsg+0xee/0x170 [ 5151.454208][ T1076] __sys_sendmsg+0xcd/0x170 [ 5151.454208][ T1076] do_syscall_64+0xc6/0x1e0 [ 5151.454208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.454208][ T1076] [ 5151.456482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5151.456482][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5151.456482][ T1076] ipv6_find_idev+0x102/0x170 [ 5151.456482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.456482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.456482][ T1076] netlink_rcv_skb+0x130/0x360 [ 5151.456482][ T1076] netlink_unicast+0x449/0x710 [ 5151.456482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5151.456482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5151.456482][ T1076] ___sys_sendmsg+0xee/0x170 [ 5151.456482][ T1076] __sys_sendmsg+0xcd/0x170 [ 5151.456482][ T1076] do_syscall_64+0xc6/0x1e0 [ 5151.456482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.456482][ T1076] [ 5151.458209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5151.458209][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5151.458209][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5151.458209][ T1076] ipv6_find_idev+0x102/0x170 [ 5151.458209][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.458209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.458209][ T1076] netlink_rcv_skb+0x130/0x360 [ 5151.458209][ T1076] netlink_unicast+0x449/0x710 [ 5151.458209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5151.458209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5151.458209][ T1076] ___sys_sendmsg+0xee/0x170 [ 5151.458209][ T1076] __sys_sendmsg+0xcd/0x170 [ 5151.458209][ T1076] do_syscall_64+0xc6/0x1e0 [ 5151.458209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.458209][ T1076] [ 5161.485676][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5161.486143][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5161.486143][ T1076] netdev_get_by_index+0x5e/0x80 [ 5161.486143][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5161.486143][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5161.486143][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5161.486143][ T1076] ipv6_add_addr+0x411/0x2000 [ 5161.486143][ T1076] inet6_addr_add+0x30e/0xa40 [ 5161.486143][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.486143][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.486143][ T1076] netlink_rcv_skb+0x130/0x360 [ 5161.486143][ T1076] netlink_unicast+0x449/0x710 [ 5161.486143][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5161.486143][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5161.486143][ T1076] ___sys_sendmsg+0xee/0x170 [ 5161.486143][ T1076] __sys_sendmsg+0xcd/0x170 [ 5161.486143][ T1076] do_syscall_64+0xc6/0x1e0 [ 5161.486143][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.486143][ T1076] [ 5161.488392][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5161.488392][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5161.488392][ T1076] ipv6_find_idev+0x102/0x170 [ 5161.488392][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5161.488392][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.488392][ T1076] netlink_rcv_skb+0x130/0x360 [ 5161.488392][ T1076] netlink_unicast+0x449/0x710 [ 5161.488392][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5161.488392][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5161.488392][ T1076] ___sys_sendmsg+0xee/0x170 [ 5161.488392][ T1076] __sys_sendmsg+0xcd/0x170 [ 5161.488392][ T1076] do_syscall_64+0xc6/0x1e0 [ 5161.488392][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.488392][ T1076] [ 5161.490117][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5161.490117][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5161.490117][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5161.490117][ T1076] ipv6_find_idev+0x102/0x170 [ 5161.490117][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5161.490117][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.490117][ T1076] netlink_rcv_skb+0x130/0x360 [ 5161.490117][ T1076] netlink_unicast+0x449/0x710 [ 5161.490117][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5161.490117][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5161.490117][ T1076] ___sys_sendmsg+0xee/0x170 [ 5161.490117][ T1076] __sys_sendmsg+0xcd/0x170 [ 5161.490117][ T1076] do_syscall_64+0xc6/0x1e0 [ 5161.490117][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.490117][ T1076] [ 5171.733767][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5171.734280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5171.734280][ T1076] netdev_get_by_index+0x5e/0x80 [ 5171.734280][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5171.734280][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5171.734280][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5171.734280][ T1076] ipv6_add_addr+0x411/0x2000 [ 5171.734280][ T1076] inet6_addr_add+0x30e/0xa40 [ 5171.734280][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5171.734280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5171.734280][ T1076] netlink_rcv_skb+0x130/0x360 [ 5171.734280][ T1076] netlink_unicast+0x449/0x710 [ 5171.734280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5171.734280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5171.734280][ T1076] ___sys_sendmsg+0xee/0x170 [ 5171.734280][ T1076] __sys_sendmsg+0xcd/0x170 [ 5171.734280][ T1076] do_syscall_64+0xc6/0x1e0 [ 5171.734280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5171.734280][ T1076] [ 5171.736574][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5171.736574][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5171.736574][ T1076] ipv6_find_idev+0x102/0x170 [ 5171.736574][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5171.736574][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5171.736574][ T1076] netlink_rcv_skb+0x130/0x360 [ 5171.736574][ T1076] netlink_unicast+0x449/0x710 [ 5171.736574][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5171.736574][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5171.736574][ T1076] ___sys_sendmsg+0xee/0x170 [ 5171.736574][ T1076] __sys_sendmsg+0xcd/0x170 [ 5171.736574][ T1076] do_syscall_64+0xc6/0x1e0 [ 5171.736574][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5171.736574][ T1076] [ 5171.738337][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5171.738337][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5171.738337][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5171.738337][ T1076] ipv6_find_idev+0x102/0x170 [ 5171.738337][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5171.738337][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5171.738337][ T1076] netlink_rcv_skb+0x130/0x360 [ 5171.738337][ T1076] netlink_unicast+0x449/0x710 [ 5171.738337][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5171.738337][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5171.738337][ T1076] ___sys_sendmsg+0xee/0x170 [ 5171.738337][ T1076] __sys_sendmsg+0xcd/0x170 [ 5171.738337][ T1076] do_syscall_64+0xc6/0x1e0 [ 5171.738337][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5171.738337][ T1076] [ 5181.869745][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5181.870329][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5181.870329][ T1076] netdev_get_by_index+0x5e/0x80 [ 5181.870329][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5181.870329][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5181.870329][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5181.870329][ T1076] ipv6_add_addr+0x411/0x2000 [ 5181.870329][ T1076] inet6_addr_add+0x30e/0xa40 [ 5181.870329][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5181.870329][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5181.870329][ T1076] netlink_rcv_skb+0x130/0x360 [ 5181.870329][ T1076] netlink_unicast+0x449/0x710 [ 5181.870329][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5181.870329][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5181.870329][ T1076] ___sys_sendmsg+0xee/0x170 [ 5181.870329][ T1076] __sys_sendmsg+0xcd/0x170 [ 5181.870329][ T1076] do_syscall_64+0xc6/0x1e0 [ 5181.870329][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5181.870329][ T1076] [ 5181.872641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5181.872641][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5181.872641][ T1076] ipv6_find_idev+0x102/0x170 [ 5181.872641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5181.872641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5181.872641][ T1076] netlink_rcv_skb+0x130/0x360 [ 5181.872641][ T1076] netlink_unicast+0x449/0x710 [ 5181.872641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5181.872641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5181.872641][ T1076] ___sys_sendmsg+0xee/0x170 [ 5181.872641][ T1076] __sys_sendmsg+0xcd/0x170 [ 5181.872641][ T1076] do_syscall_64+0xc6/0x1e0 [ 5181.872641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5181.872641][ T1076] [ 5181.874399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5181.874399][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5181.874399][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5181.874399][ T1076] ipv6_find_idev+0x102/0x170 [ 5181.874399][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5181.874399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5181.874399][ T1076] netlink_rcv_skb+0x130/0x360 [ 5181.874399][ T1076] netlink_unicast+0x449/0x710 [ 5181.874399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5181.874399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5181.874399][ T1076] ___sys_sendmsg+0xee/0x170 [ 5181.874399][ T1076] __sys_sendmsg+0xcd/0x170 [ 5181.874399][ T1076] do_syscall_64+0xc6/0x1e0 [ 5181.874399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5181.874399][ T1076] [ 5192.125763][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5192.126306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5192.126306][ T1076] netdev_get_by_index+0x5e/0x80 [ 5192.126306][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5192.126306][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5192.126306][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5192.126306][ T1076] ipv6_add_addr+0x411/0x2000 [ 5192.126306][ T1076] inet6_addr_add+0x30e/0xa40 [ 5192.126306][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.126306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.126306][ T1076] netlink_rcv_skb+0x130/0x360 [ 5192.126306][ T1076] netlink_unicast+0x449/0x710 [ 5192.126306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5192.126306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5192.126306][ T1076] ___sys_sendmsg+0xee/0x170 [ 5192.126306][ T1076] __sys_sendmsg+0xcd/0x170 [ 5192.126306][ T1076] do_syscall_64+0xc6/0x1e0 [ 5192.126306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.126306][ T1076] [ 5192.128602][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5192.128602][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5192.128602][ T1076] ipv6_find_idev+0x102/0x170 [ 5192.128602][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.128602][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.128602][ T1076] netlink_rcv_skb+0x130/0x360 [ 5192.128602][ T1076] netlink_unicast+0x449/0x710 [ 5192.128602][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5192.128602][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5192.128602][ T1076] ___sys_sendmsg+0xee/0x170 [ 5192.128602][ T1076] __sys_sendmsg+0xcd/0x170 [ 5192.128602][ T1076] do_syscall_64+0xc6/0x1e0 [ 5192.128602][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.128602][ T1076] [ 5192.130368][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5192.130368][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5192.130368][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5192.130368][ T1076] ipv6_find_idev+0x102/0x170 [ 5192.130368][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.130368][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.130368][ T1076] netlink_rcv_skb+0x130/0x360 [ 5192.130368][ T1076] netlink_unicast+0x449/0x710 [ 5192.130368][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5192.130368][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5192.130368][ T1076] ___sys_sendmsg+0xee/0x170 [ 5192.130368][ T1076] __sys_sendmsg+0xcd/0x170 [ 5192.130368][ T1076] do_syscall_64+0xc6/0x1e0 [ 5192.130368][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.130368][ T1076] [ 5202.165758][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5202.166294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5202.166294][ T1076] netdev_get_by_index+0x5e/0x80 [ 5202.166294][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5202.166294][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5202.166294][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5202.166294][ T1076] ipv6_add_addr+0x411/0x2000 [ 5202.166294][ T1076] inet6_addr_add+0x30e/0xa40 [ 5202.166294][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.166294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.166294][ T1076] netlink_rcv_skb+0x130/0x360 [ 5202.166294][ T1076] netlink_unicast+0x449/0x710 [ 5202.166294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5202.166294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5202.166294][ T1076] ___sys_sendmsg+0xee/0x170 [ 5202.166294][ T1076] __sys_sendmsg+0xcd/0x170 [ 5202.166294][ T1076] do_syscall_64+0xc6/0x1e0 [ 5202.166294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.166294][ T1076] [ 5202.168603][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5202.168603][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5202.168603][ T1076] ipv6_find_idev+0x102/0x170 [ 5202.168603][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.168603][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.168603][ T1076] netlink_rcv_skb+0x130/0x360 [ 5202.168603][ T1076] netlink_unicast+0x449/0x710 [ 5202.168603][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5202.168603][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5202.168603][ T1076] ___sys_sendmsg+0xee/0x170 [ 5202.168603][ T1076] __sys_sendmsg+0xcd/0x170 [ 5202.168603][ T1076] do_syscall_64+0xc6/0x1e0 [ 5202.168603][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.168603][ T1076] [ 5202.170365][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5202.170365][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5202.170365][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5202.170365][ T1076] ipv6_find_idev+0x102/0x170 [ 5202.170365][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.170365][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.170365][ T1076] netlink_rcv_skb+0x130/0x360 [ 5202.170365][ T1076] netlink_unicast+0x449/0x710 [ 5202.170365][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5202.170365][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5202.170365][ T1076] ___sys_sendmsg+0xee/0x170 [ 5202.170365][ T1076] __sys_sendmsg+0xcd/0x170 [ 5202.170365][ T1076] do_syscall_64+0xc6/0x1e0 [ 5202.170365][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.170365][ T1076] [ 5212.373757][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5212.374308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5212.374308][ T1076] netdev_get_by_index+0x5e/0x80 [ 5212.374308][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5212.374308][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5212.374308][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5212.374308][ T1076] ipv6_add_addr+0x411/0x2000 [ 5212.374308][ T1076] inet6_addr_add+0x30e/0xa40 [ 5212.374308][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5212.374308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5212.374308][ T1076] netlink_rcv_skb+0x130/0x360 [ 5212.374308][ T1076] netlink_unicast+0x449/0x710 [ 5212.374308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5212.374308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5212.374308][ T1076] ___sys_sendmsg+0xee/0x170 [ 5212.374308][ T1076] __sys_sendmsg+0xcd/0x170 [ 5212.374308][ T1076] do_syscall_64+0xc6/0x1e0 [ 5212.374308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5212.374308][ T1076] [ 5212.376602][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5212.376602][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5212.376602][ T1076] ipv6_find_idev+0x102/0x170 [ 5212.376602][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5212.376602][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5212.376602][ T1076] netlink_rcv_skb+0x130/0x360 [ 5212.376602][ T1076] netlink_unicast+0x449/0x710 [ 5212.376602][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5212.376602][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5212.376602][ T1076] ___sys_sendmsg+0xee/0x170 [ 5212.376602][ T1076] __sys_sendmsg+0xcd/0x170 [ 5212.376602][ T1076] do_syscall_64+0xc6/0x1e0 [ 5212.376602][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5212.376602][ T1076] [ 5212.378346][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5212.378346][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5212.378346][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5212.378346][ T1076] ipv6_find_idev+0x102/0x170 [ 5212.378346][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5212.378346][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5212.378346][ T1076] netlink_rcv_skb+0x130/0x360 [ 5212.378346][ T1076] netlink_unicast+0x449/0x710 [ 5212.378346][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5212.378346][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5212.378346][ T1076] ___sys_sendmsg+0xee/0x170 [ 5212.378346][ T1076] __sys_sendmsg+0xcd/0x170 [ 5212.378346][ T1076] do_syscall_64+0xc6/0x1e0 [ 5212.378346][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5212.378346][ T1076] [ 5222.621691][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5222.622229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5222.622229][ T1076] netdev_get_by_index+0x5e/0x80 [ 5222.622229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5222.622229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5222.622229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5222.622229][ T1076] ipv6_add_addr+0x411/0x2000 [ 5222.622229][ T1076] inet6_addr_add+0x30e/0xa40 [ 5222.622229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5222.622229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5222.622229][ T1076] netlink_rcv_skb+0x130/0x360 [ 5222.622229][ T1076] netlink_unicast+0x449/0x710 [ 5222.622229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5222.622229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5222.622229][ T1076] ___sys_sendmsg+0xee/0x170 [ 5222.622229][ T1076] __sys_sendmsg+0xcd/0x170 [ 5222.622229][ T1076] do_syscall_64+0xc6/0x1e0 [ 5222.622229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5222.622229][ T1076] [ 5222.624519][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5222.624519][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5222.624519][ T1076] ipv6_find_idev+0x102/0x170 [ 5222.624519][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5222.624519][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5222.624519][ T1076] netlink_rcv_skb+0x130/0x360 [ 5222.624519][ T1076] netlink_unicast+0x449/0x710 [ 5222.624519][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5222.624519][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5222.624519][ T1076] ___sys_sendmsg+0xee/0x170 [ 5222.624519][ T1076] __sys_sendmsg+0xcd/0x170 [ 5222.624519][ T1076] do_syscall_64+0xc6/0x1e0 [ 5222.624519][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5222.624519][ T1076] [ 5222.627250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5222.627250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5222.627250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5222.627250][ T1076] ipv6_find_idev+0x102/0x170 [ 5222.627250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5222.627250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5222.627250][ T1076] netlink_rcv_skb+0x130/0x360 [ 5222.627250][ T1076] netlink_unicast+0x449/0x710 [ 5222.627250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5222.627250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5222.627250][ T1076] ___sys_sendmsg+0xee/0x170 [ 5222.627250][ T1076] __sys_sendmsg+0xcd/0x170 [ 5222.627250][ T1076] do_syscall_64+0xc6/0x1e0 [ 5222.627250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5222.627250][ T1076] [ 5232.837857][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5232.838399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5232.838399][ T1076] netdev_get_by_index+0x5e/0x80 [ 5232.838399][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5232.838399][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5232.838399][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5232.838399][ T1076] ipv6_add_addr+0x411/0x2000 [ 5232.838399][ T1076] inet6_addr_add+0x30e/0xa40 [ 5232.838399][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5232.838399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5232.838399][ T1076] netlink_rcv_skb+0x130/0x360 [ 5232.838399][ T1076] netlink_unicast+0x449/0x710 [ 5232.838399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5232.838399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5232.838399][ T1076] ___sys_sendmsg+0xee/0x170 [ 5232.838399][ T1076] __sys_sendmsg+0xcd/0x170 [ 5232.838399][ T1076] do_syscall_64+0xc6/0x1e0 [ 5232.838399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5232.838399][ T1076] [ 5232.840707][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5232.840707][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5232.840707][ T1076] ipv6_find_idev+0x102/0x170 [ 5232.840707][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5232.840707][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5232.840707][ T1076] netlink_rcv_skb+0x130/0x360 [ 5232.840707][ T1076] netlink_unicast+0x449/0x710 [ 5232.840707][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5232.840707][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5232.840707][ T1076] ___sys_sendmsg+0xee/0x170 [ 5232.840707][ T1076] __sys_sendmsg+0xcd/0x170 [ 5232.840707][ T1076] do_syscall_64+0xc6/0x1e0 [ 5232.840707][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5232.840707][ T1076] [ 5232.842465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5232.842465][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5232.842465][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5232.842465][ T1076] ipv6_find_idev+0x102/0x170 [ 5232.842465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5232.842465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5232.842465][ T1076] netlink_rcv_skb+0x130/0x360 [ 5232.842465][ T1076] netlink_unicast+0x449/0x710 [ 5232.842465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5232.842465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5232.842465][ T1076] ___sys_sendmsg+0xee/0x170 [ 5232.842465][ T1076] __sys_sendmsg+0xcd/0x170 [ 5232.842465][ T1076] do_syscall_64+0xc6/0x1e0 [ 5232.842465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5232.842465][ T1076] [ 5243.085700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5243.086245][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5243.086245][ T1076] netdev_get_by_index+0x5e/0x80 [ 5243.086245][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5243.086245][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5243.086245][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5243.086245][ T1076] ipv6_add_addr+0x411/0x2000 [ 5243.086245][ T1076] inet6_addr_add+0x30e/0xa40 [ 5243.086245][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.086245][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.086245][ T1076] netlink_rcv_skb+0x130/0x360 [ 5243.086245][ T1076] netlink_unicast+0x449/0x710 [ 5243.086245][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5243.086245][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5243.086245][ T1076] ___sys_sendmsg+0xee/0x170 [ 5243.086245][ T1076] __sys_sendmsg+0xcd/0x170 [ 5243.086245][ T1076] do_syscall_64+0xc6/0x1e0 [ 5243.086245][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.086245][ T1076] [ 5243.088591][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5243.088591][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5243.088591][ T1076] ipv6_find_idev+0x102/0x170 [ 5243.088591][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.088591][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.088591][ T1076] netlink_rcv_skb+0x130/0x360 [ 5243.088591][ T1076] netlink_unicast+0x449/0x710 [ 5243.088591][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5243.088591][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5243.088591][ T1076] ___sys_sendmsg+0xee/0x170 [ 5243.088591][ T1076] __sys_sendmsg+0xcd/0x170 [ 5243.088591][ T1076] do_syscall_64+0xc6/0x1e0 [ 5243.088591][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.088591][ T1076] [ 5243.090333][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5243.090333][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5243.090333][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5243.090333][ T1076] ipv6_find_idev+0x102/0x170 [ 5243.090333][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.090333][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.090333][ T1076] netlink_rcv_skb+0x130/0x360 [ 5243.090333][ T1076] netlink_unicast+0x449/0x710 [ 5243.090333][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5243.090333][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5243.090333][ T1076] ___sys_sendmsg+0xee/0x170 [ 5243.090333][ T1076] __sys_sendmsg+0xcd/0x170 [ 5243.090333][ T1076] do_syscall_64+0xc6/0x1e0 [ 5243.090333][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.090333][ T1076] [ 5253.333695][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5253.334188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5253.334188][ T1076] netdev_get_by_index+0x5e/0x80 [ 5253.334188][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5253.334188][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5253.334188][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5253.334188][ T1076] ipv6_add_addr+0x411/0x2000 [ 5253.334188][ T1076] inet6_addr_add+0x30e/0xa40 [ 5253.334188][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5253.334188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5253.334188][ T1076] netlink_rcv_skb+0x130/0x360 [ 5253.334188][ T1076] netlink_unicast+0x449/0x710 [ 5253.334188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5253.334188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5253.334188][ T1076] ___sys_sendmsg+0xee/0x170 [ 5253.334188][ T1076] __sys_sendmsg+0xcd/0x170 [ 5253.334188][ T1076] do_syscall_64+0xc6/0x1e0 [ 5253.334188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5253.334188][ T1076] [ 5253.336465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5253.336465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5253.336465][ T1076] ipv6_find_idev+0x102/0x170 [ 5253.336465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5253.336465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5253.336465][ T1076] netlink_rcv_skb+0x130/0x360 [ 5253.336465][ T1076] netlink_unicast+0x449/0x710 [ 5253.336465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5253.336465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5253.336465][ T1076] ___sys_sendmsg+0xee/0x170 [ 5253.336465][ T1076] __sys_sendmsg+0xcd/0x170 [ 5253.336465][ T1076] do_syscall_64+0xc6/0x1e0 [ 5253.336465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5253.336465][ T1076] [ 5253.338203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5253.338203][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5253.338203][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5253.338203][ T1076] ipv6_find_idev+0x102/0x170 [ 5253.338203][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5253.338203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5253.338203][ T1076] netlink_rcv_skb+0x130/0x360 [ 5253.338203][ T1076] netlink_unicast+0x449/0x710 [ 5253.338203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5253.338203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5253.338203][ T1076] ___sys_sendmsg+0xee/0x170 [ 5253.338203][ T1076] __sys_sendmsg+0xcd/0x170 [ 5253.338203][ T1076] do_syscall_64+0xc6/0x1e0 [ 5253.338203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5253.338203][ T1076] [ 5263.581748][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5263.582296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5263.582296][ T1076] netdev_get_by_index+0x5e/0x80 [ 5263.582296][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5263.582296][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5263.582296][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5263.582296][ T1076] ipv6_add_addr+0x411/0x2000 [ 5263.582296][ T1076] inet6_addr_add+0x30e/0xa40 [ 5263.582296][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5263.582296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5263.582296][ T1076] netlink_rcv_skb+0x130/0x360 [ 5263.582296][ T1076] netlink_unicast+0x449/0x710 [ 5263.582296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5263.582296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5263.582296][ T1076] ___sys_sendmsg+0xee/0x170 [ 5263.582296][ T1076] __sys_sendmsg+0xcd/0x170 [ 5263.582296][ T1076] do_syscall_64+0xc6/0x1e0 [ 5263.582296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5263.582296][ T1076] [ 5263.584567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5263.584567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5263.584567][ T1076] ipv6_find_idev+0x102/0x170 [ 5263.584567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5263.584567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5263.584567][ T1076] netlink_rcv_skb+0x130/0x360 [ 5263.584567][ T1076] netlink_unicast+0x449/0x710 [ 5263.584567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5263.584567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5263.584567][ T1076] ___sys_sendmsg+0xee/0x170 [ 5263.584567][ T1076] __sys_sendmsg+0xcd/0x170 [ 5263.584567][ T1076] do_syscall_64+0xc6/0x1e0 [ 5263.584567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5263.584567][ T1076] [ 5263.586340][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5263.586340][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5263.586340][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5263.586340][ T1076] ipv6_find_idev+0x102/0x170 [ 5263.586340][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5263.586340][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5263.586340][ T1076] netlink_rcv_skb+0x130/0x360 [ 5263.586340][ T1076] netlink_unicast+0x449/0x710 [ 5263.586340][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5263.586340][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5263.586340][ T1076] ___sys_sendmsg+0xee/0x170 [ 5263.586340][ T1076] __sys_sendmsg+0xcd/0x170 [ 5263.586340][ T1076] do_syscall_64+0xc6/0x1e0 [ 5263.586340][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5263.586340][ T1076] [ 5273.829694][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5273.830255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5273.830255][ T1076] netdev_get_by_index+0x5e/0x80 [ 5273.830255][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5273.830255][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5273.830255][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5273.830255][ T1076] ipv6_add_addr+0x411/0x2000 [ 5273.830255][ T1076] inet6_addr_add+0x30e/0xa40 [ 5273.830255][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5273.830255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5273.830255][ T1076] netlink_rcv_skb+0x130/0x360 [ 5273.830255][ T1076] netlink_unicast+0x449/0x710 [ 5273.830255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5273.830255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5273.830255][ T1076] ___sys_sendmsg+0xee/0x170 [ 5273.830255][ T1076] __sys_sendmsg+0xcd/0x170 [ 5273.830255][ T1076] do_syscall_64+0xc6/0x1e0 [ 5273.830255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5273.830255][ T1076] [ 5273.832550][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5273.832550][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5273.832550][ T1076] ipv6_find_idev+0x102/0x170 [ 5273.832550][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5273.832550][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5273.832550][ T1076] netlink_rcv_skb+0x130/0x360 [ 5273.832550][ T1076] netlink_unicast+0x449/0x710 [ 5273.832550][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5273.832550][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5273.832550][ T1076] ___sys_sendmsg+0xee/0x170 [ 5273.832550][ T1076] __sys_sendmsg+0xcd/0x170 [ 5273.832550][ T1076] do_syscall_64+0xc6/0x1e0 [ 5273.832550][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5273.832550][ T1076] [ 5273.834292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5273.834292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5273.834292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5273.834292][ T1076] ipv6_find_idev+0x102/0x170 [ 5273.834292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5273.834292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5273.834292][ T1076] netlink_rcv_skb+0x130/0x360 [ 5273.834292][ T1076] netlink_unicast+0x449/0x710 [ 5273.834292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5273.834292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5273.834292][ T1076] ___sys_sendmsg+0xee/0x170 [ 5273.834292][ T1076] __sys_sendmsg+0xcd/0x170 [ 5273.834292][ T1076] do_syscall_64+0xc6/0x1e0 [ 5273.834292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5273.834292][ T1076] [ 5284.077688][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5284.078240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5284.078240][ T1076] netdev_get_by_index+0x5e/0x80 [ 5284.078240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5284.078240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5284.078240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5284.078240][ T1076] ipv6_add_addr+0x411/0x2000 [ 5284.078240][ T1076] inet6_addr_add+0x30e/0xa40 [ 5284.078240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.078240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.078240][ T1076] netlink_rcv_skb+0x130/0x360 [ 5284.078240][ T1076] netlink_unicast+0x449/0x710 [ 5284.078240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5284.078240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5284.078240][ T1076] ___sys_sendmsg+0xee/0x170 [ 5284.078240][ T1076] __sys_sendmsg+0xcd/0x170 [ 5284.078240][ T1076] do_syscall_64+0xc6/0x1e0 [ 5284.078240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.078240][ T1076] [ 5284.080541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5284.080541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5284.080541][ T1076] ipv6_find_idev+0x102/0x170 [ 5284.080541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.080541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.080541][ T1076] netlink_rcv_skb+0x130/0x360 [ 5284.080541][ T1076] netlink_unicast+0x449/0x710 [ 5284.080541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5284.080541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5284.080541][ T1076] ___sys_sendmsg+0xee/0x170 [ 5284.080541][ T1076] __sys_sendmsg+0xcd/0x170 [ 5284.080541][ T1076] do_syscall_64+0xc6/0x1e0 [ 5284.080541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.080541][ T1076] [ 5284.082279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5284.082279][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5284.082279][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5284.082279][ T1076] ipv6_find_idev+0x102/0x170 [ 5284.082279][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.082279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.082279][ T1076] netlink_rcv_skb+0x130/0x360 [ 5284.082279][ T1076] netlink_unicast+0x449/0x710 [ 5284.082279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5284.082279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5284.082279][ T1076] ___sys_sendmsg+0xee/0x170 [ 5284.082279][ T1076] __sys_sendmsg+0xcd/0x170 [ 5284.082279][ T1076] do_syscall_64+0xc6/0x1e0 [ 5284.082279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.082279][ T1076] [ 5294.261685][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5294.262266][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5294.262266][ T1076] netdev_get_by_index+0x5e/0x80 [ 5294.262266][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5294.262266][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5294.262266][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5294.262266][ T1076] ipv6_add_addr+0x411/0x2000 [ 5294.262266][ T1076] inet6_addr_add+0x30e/0xa40 [ 5294.262266][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5294.262266][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5294.262266][ T1076] netlink_rcv_skb+0x130/0x360 [ 5294.262266][ T1076] netlink_unicast+0x449/0x710 [ 5294.262266][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5294.262266][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5294.262266][ T1076] ___sys_sendmsg+0xee/0x170 [ 5294.262266][ T1076] __sys_sendmsg+0xcd/0x170 [ 5294.262266][ T1076] do_syscall_64+0xc6/0x1e0 [ 5294.262266][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5294.262266][ T1076] [ 5294.264575][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5294.264575][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5294.264575][ T1076] ipv6_find_idev+0x102/0x170 [ 5294.264575][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5294.264575][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5294.264575][ T1076] netlink_rcv_skb+0x130/0x360 [ 5294.264575][ T1076] netlink_unicast+0x449/0x710 [ 5294.264575][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5294.264575][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5294.264575][ T1076] ___sys_sendmsg+0xee/0x170 [ 5294.264575][ T1076] __sys_sendmsg+0xcd/0x170 [ 5294.264575][ T1076] do_syscall_64+0xc6/0x1e0 [ 5294.264575][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5294.264575][ T1076] [ 5294.266322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5294.266322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5294.266322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5294.266322][ T1076] ipv6_find_idev+0x102/0x170 [ 5294.266322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5294.266322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5294.266322][ T1076] netlink_rcv_skb+0x130/0x360 [ 5294.266322][ T1076] netlink_unicast+0x449/0x710 [ 5294.266322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5294.266322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5294.266322][ T1076] ___sys_sendmsg+0xee/0x170 [ 5294.266322][ T1076] __sys_sendmsg+0xcd/0x170 [ 5294.266322][ T1076] do_syscall_64+0xc6/0x1e0 [ 5294.266322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5294.266322][ T1076] [ 5304.517713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5304.518289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5304.518289][ T1076] netdev_get_by_index+0x5e/0x80 [ 5304.518289][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5304.518289][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5304.518289][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5304.518289][ T1076] ipv6_add_addr+0x411/0x2000 [ 5304.518289][ T1076] inet6_addr_add+0x30e/0xa40 [ 5304.518289][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5304.518289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5304.518289][ T1076] netlink_rcv_skb+0x130/0x360 [ 5304.518289][ T1076] netlink_unicast+0x449/0x710 [ 5304.518289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5304.518289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5304.518289][ T1076] ___sys_sendmsg+0xee/0x170 [ 5304.518289][ T1076] __sys_sendmsg+0xcd/0x170 [ 5304.518289][ T1076] do_syscall_64+0xc6/0x1e0 [ 5304.518289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5304.518289][ T1076] [ 5304.520601][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5304.520601][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5304.520601][ T1076] ipv6_find_idev+0x102/0x170 [ 5304.520601][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5304.520601][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5304.520601][ T1076] netlink_rcv_skb+0x130/0x360 [ 5304.520601][ T1076] netlink_unicast+0x449/0x710 [ 5304.520601][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5304.520601][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5304.520601][ T1076] ___sys_sendmsg+0xee/0x170 [ 5304.520601][ T1076] __sys_sendmsg+0xcd/0x170 [ 5304.520601][ T1076] do_syscall_64+0xc6/0x1e0 [ 5304.520601][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5304.520601][ T1076] [ 5304.522343][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5304.522343][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5304.522343][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5304.522343][ T1076] ipv6_find_idev+0x102/0x170 [ 5304.522343][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5304.522343][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5304.522343][ T1076] netlink_rcv_skb+0x130/0x360 [ 5304.522343][ T1076] netlink_unicast+0x449/0x710 [ 5304.522343][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5304.522343][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5304.522343][ T1076] ___sys_sendmsg+0xee/0x170 [ 5304.522343][ T1076] __sys_sendmsg+0xcd/0x170 [ 5304.522343][ T1076] do_syscall_64+0xc6/0x1e0 [ 5304.522343][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5304.522343][ T1076] [ 5314.773660][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5314.774131][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5314.774131][ T1076] netdev_get_by_index+0x5e/0x80 [ 5314.774131][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5314.774131][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5314.774131][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5314.774131][ T1076] ipv6_add_addr+0x411/0x2000 [ 5314.774131][ T1076] inet6_addr_add+0x30e/0xa40 [ 5314.774131][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5314.774131][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5314.774131][ T1076] netlink_rcv_skb+0x130/0x360 [ 5314.774131][ T1076] netlink_unicast+0x449/0x710 [ 5314.774131][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5314.774131][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5314.774131][ T1076] ___sys_sendmsg+0xee/0x170 [ 5314.774131][ T1076] __sys_sendmsg+0xcd/0x170 [ 5314.774131][ T1076] do_syscall_64+0xc6/0x1e0 [ 5314.774131][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5314.774131][ T1076] [ 5314.776426][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5314.776426][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5314.776426][ T1076] ipv6_find_idev+0x102/0x170 [ 5314.776426][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5314.776426][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5314.776426][ T1076] netlink_rcv_skb+0x130/0x360 [ 5314.776426][ T1076] netlink_unicast+0x449/0x710 [ 5314.776426][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5314.776426][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5314.776426][ T1076] ___sys_sendmsg+0xee/0x170 [ 5314.776426][ T1076] __sys_sendmsg+0xcd/0x170 [ 5314.776426][ T1076] do_syscall_64+0xc6/0x1e0 [ 5314.776426][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5314.776426][ T1076] [ 5314.778182][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5314.778182][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5314.778182][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5314.778182][ T1076] ipv6_find_idev+0x102/0x170 [ 5314.778182][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5314.778182][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5314.778182][ T1076] netlink_rcv_skb+0x130/0x360 [ 5314.778182][ T1076] netlink_unicast+0x449/0x710 [ 5314.778182][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5314.778182][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5314.778182][ T1076] ___sys_sendmsg+0xee/0x170 [ 5314.778182][ T1076] __sys_sendmsg+0xcd/0x170 [ 5314.778182][ T1076] do_syscall_64+0xc6/0x1e0 [ 5314.778182][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5314.778182][ T1076] [ 5325.029671][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5325.030237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5325.030237][ T1076] netdev_get_by_index+0x5e/0x80 [ 5325.030237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5325.030237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5325.030237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5325.030237][ T1076] ipv6_add_addr+0x411/0x2000 [ 5325.030237][ T1076] inet6_addr_add+0x30e/0xa40 [ 5325.030237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5325.030237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5325.030237][ T1076] netlink_rcv_skb+0x130/0x360 [ 5325.030237][ T1076] netlink_unicast+0x449/0x710 [ 5325.030237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5325.030237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5325.030237][ T1076] ___sys_sendmsg+0xee/0x170 [ 5325.030237][ T1076] __sys_sendmsg+0xcd/0x170 [ 5325.030237][ T1076] do_syscall_64+0xc6/0x1e0 [ 5325.030237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5325.030237][ T1076] [ 5325.032539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5325.032539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5325.032539][ T1076] ipv6_find_idev+0x102/0x170 [ 5325.032539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5325.032539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5325.032539][ T1076] netlink_rcv_skb+0x130/0x360 [ 5325.032539][ T1076] netlink_unicast+0x449/0x710 [ 5325.032539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5325.032539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5325.032539][ T1076] ___sys_sendmsg+0xee/0x170 [ 5325.032539][ T1076] __sys_sendmsg+0xcd/0x170 [ 5325.032539][ T1076] do_syscall_64+0xc6/0x1e0 [ 5325.032539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5325.032539][ T1076] [ 5325.034298][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5325.034298][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5325.034298][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5325.034298][ T1076] ipv6_find_idev+0x102/0x170 [ 5325.034298][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5325.034298][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5325.034298][ T1076] netlink_rcv_skb+0x130/0x360 [ 5325.034298][ T1076] netlink_unicast+0x449/0x710 [ 5325.034298][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5325.034298][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5325.034298][ T1076] ___sys_sendmsg+0xee/0x170 [ 5325.034298][ T1076] __sys_sendmsg+0xcd/0x170 [ 5325.034298][ T1076] do_syscall_64+0xc6/0x1e0 [ 5325.034298][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5325.034298][ T1076] [ 5335.285718][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5335.286259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5335.286259][ T1076] netdev_get_by_index+0x5e/0x80 [ 5335.286259][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5335.286259][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5335.286259][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5335.286259][ T1076] ipv6_add_addr+0x411/0x2000 [ 5335.286259][ T1076] inet6_addr_add+0x30e/0xa40 [ 5335.286259][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5335.286259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5335.286259][ T1076] netlink_rcv_skb+0x130/0x360 [ 5335.286259][ T1076] netlink_unicast+0x449/0x710 [ 5335.286259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5335.286259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5335.286259][ T1076] ___sys_sendmsg+0xee/0x170 [ 5335.286259][ T1076] __sys_sendmsg+0xcd/0x170 [ 5335.286259][ T1076] do_syscall_64+0xc6/0x1e0 [ 5335.286259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5335.286259][ T1076] [ 5335.288559][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5335.288559][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5335.288559][ T1076] ipv6_find_idev+0x102/0x170 [ 5335.288559][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5335.288559][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5335.288559][ T1076] netlink_rcv_skb+0x130/0x360 [ 5335.288559][ T1076] netlink_unicast+0x449/0x710 [ 5335.288559][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5335.288559][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5335.288559][ T1076] ___sys_sendmsg+0xee/0x170 [ 5335.288559][ T1076] __sys_sendmsg+0xcd/0x170 [ 5335.288559][ T1076] do_syscall_64+0xc6/0x1e0 [ 5335.288559][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5335.288559][ T1076] [ 5335.290308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5335.290308][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5335.290308][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5335.290308][ T1076] ipv6_find_idev+0x102/0x170 [ 5335.290308][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5335.290308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5335.290308][ T1076] netlink_rcv_skb+0x130/0x360 [ 5335.290308][ T1076] netlink_unicast+0x449/0x710 [ 5335.290308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5335.290308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5335.290308][ T1076] ___sys_sendmsg+0xee/0x170 [ 5335.290308][ T1076] __sys_sendmsg+0xcd/0x170 [ 5335.290308][ T1076] do_syscall_64+0xc6/0x1e0 [ 5335.290308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5335.290308][ T1076] [ 5345.445709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5345.446186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5345.446186][ T1076] netdev_get_by_index+0x5e/0x80 [ 5345.446186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5345.446186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5345.446186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5345.446186][ T1076] ipv6_add_addr+0x411/0x2000 [ 5345.446186][ T1076] inet6_addr_add+0x30e/0xa40 [ 5345.446186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5345.446186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5345.446186][ T1076] netlink_rcv_skb+0x130/0x360 [ 5345.446186][ T1076] netlink_unicast+0x449/0x710 [ 5345.446186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5345.446186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5345.446186][ T1076] ___sys_sendmsg+0xee/0x170 [ 5345.446186][ T1076] __sys_sendmsg+0xcd/0x170 [ 5345.446186][ T1076] do_syscall_64+0xc6/0x1e0 [ 5345.446186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5345.446186][ T1076] [ 5345.448487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5345.448487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5345.448487][ T1076] ipv6_find_idev+0x102/0x170 [ 5345.448487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5345.448487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5345.448487][ T1076] netlink_rcv_skb+0x130/0x360 [ 5345.448487][ T1076] netlink_unicast+0x449/0x710 [ 5345.448487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5345.448487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5345.448487][ T1076] ___sys_sendmsg+0xee/0x170 [ 5345.448487][ T1076] __sys_sendmsg+0xcd/0x170 [ 5345.448487][ T1076] do_syscall_64+0xc6/0x1e0 [ 5345.448487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5345.448487][ T1076] [ 5345.450240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5345.450240][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5345.450240][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5345.450240][ T1076] ipv6_find_idev+0x102/0x170 [ 5345.450240][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5345.450240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5345.450240][ T1076] netlink_rcv_skb+0x130/0x360 [ 5345.450240][ T1076] netlink_unicast+0x449/0x710 [ 5345.450240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5345.450240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5345.450240][ T1076] ___sys_sendmsg+0xee/0x170 [ 5345.450240][ T1076] __sys_sendmsg+0xcd/0x170 [ 5345.450240][ T1076] do_syscall_64+0xc6/0x1e0 [ 5345.450240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5345.450240][ T1076] [ 5355.693687][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5355.694239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5355.694239][ T1076] netdev_get_by_index+0x5e/0x80 [ 5355.694239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5355.694239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5355.694239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5355.694239][ T1076] ipv6_add_addr+0x411/0x2000 [ 5355.694239][ T1076] inet6_addr_add+0x30e/0xa40 [ 5355.694239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5355.694239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5355.694239][ T1076] netlink_rcv_skb+0x130/0x360 [ 5355.694239][ T1076] netlink_unicast+0x449/0x710 [ 5355.694239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5355.694239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5355.694239][ T1076] ___sys_sendmsg+0xee/0x170 [ 5355.694239][ T1076] __sys_sendmsg+0xcd/0x170 [ 5355.694239][ T1076] do_syscall_64+0xc6/0x1e0 [ 5355.694239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5355.694239][ T1076] [ 5355.696637][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5355.696637][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5355.696637][ T1076] ipv6_find_idev+0x102/0x170 [ 5355.696637][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5355.696637][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5355.696637][ T1076] netlink_rcv_skb+0x130/0x360 [ 5355.696637][ T1076] netlink_unicast+0x449/0x710 [ 5355.696637][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5355.696637][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5355.696637][ T1076] ___sys_sendmsg+0xee/0x170 [ 5355.696637][ T1076] __sys_sendmsg+0xcd/0x170 [ 5355.696637][ T1076] do_syscall_64+0xc6/0x1e0 [ 5355.696637][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5355.696637][ T1076] [ 5355.698420][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5355.698420][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5355.698420][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5355.698420][ T1076] ipv6_find_idev+0x102/0x170 [ 5355.698420][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5355.698420][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5355.698420][ T1076] netlink_rcv_skb+0x130/0x360 [ 5355.698420][ T1076] netlink_unicast+0x449/0x710 [ 5355.698420][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5355.698420][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5355.698420][ T1076] ___sys_sendmsg+0xee/0x170 [ 5355.698420][ T1076] __sys_sendmsg+0xcd/0x170 [ 5355.698420][ T1076] do_syscall_64+0xc6/0x1e0 [ 5355.698420][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5355.698420][ T1076] [ 5365.941631][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5365.942184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5365.942184][ T1076] netdev_get_by_index+0x5e/0x80 [ 5365.942184][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5365.942184][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5365.942184][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5365.942184][ T1076] ipv6_add_addr+0x411/0x2000 [ 5365.942184][ T1076] inet6_addr_add+0x30e/0xa40 [ 5365.942184][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5365.942184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5365.942184][ T1076] netlink_rcv_skb+0x130/0x360 [ 5365.942184][ T1076] netlink_unicast+0x449/0x710 [ 5365.942184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5365.942184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5365.942184][ T1076] ___sys_sendmsg+0xee/0x170 [ 5365.942184][ T1076] __sys_sendmsg+0xcd/0x170 [ 5365.942184][ T1076] do_syscall_64+0xc6/0x1e0 [ 5365.942184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5365.942184][ T1076] [ 5365.945018][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5365.945018][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5365.945018][ T1076] ipv6_find_idev+0x102/0x170 [ 5365.945018][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5365.945018][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5365.945018][ T1076] netlink_rcv_skb+0x130/0x360 [ 5365.945018][ T1076] netlink_unicast+0x449/0x710 [ 5365.945018][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5365.945018][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5365.945018][ T1076] ___sys_sendmsg+0xee/0x170 [ 5365.945018][ T1076] __sys_sendmsg+0xcd/0x170 [ 5365.945018][ T1076] do_syscall_64+0xc6/0x1e0 [ 5365.945018][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5365.945018][ T1076] [ 5365.946762][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5365.946762][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5365.946762][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5365.946762][ T1076] ipv6_find_idev+0x102/0x170 [ 5365.946762][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5365.946762][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5365.946762][ T1076] netlink_rcv_skb+0x130/0x360 [ 5365.946762][ T1076] netlink_unicast+0x449/0x710 [ 5365.946762][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5365.946762][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5365.946762][ T1076] ___sys_sendmsg+0xee/0x170 [ 5365.946762][ T1076] __sys_sendmsg+0xcd/0x170 [ 5365.946762][ T1076] do_syscall_64+0xc6/0x1e0 [ 5365.946762][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5365.946762][ T1076] [ 5376.101730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5376.102278][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5376.102278][ T1076] netdev_get_by_index+0x5e/0x80 [ 5376.102278][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5376.102278][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5376.102278][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5376.102278][ T1076] ipv6_add_addr+0x411/0x2000 [ 5376.102278][ T1076] inet6_addr_add+0x30e/0xa40 [ 5376.102278][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.102278][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.102278][ T1076] netlink_rcv_skb+0x130/0x360 [ 5376.102278][ T1076] netlink_unicast+0x449/0x710 [ 5376.102278][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5376.102278][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5376.102278][ T1076] ___sys_sendmsg+0xee/0x170 [ 5376.102278][ T1076] __sys_sendmsg+0xcd/0x170 [ 5376.102278][ T1076] do_syscall_64+0xc6/0x1e0 [ 5376.102278][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.102278][ T1076] [ 5376.104564][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5376.104564][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5376.104564][ T1076] ipv6_find_idev+0x102/0x170 [ 5376.104564][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.104564][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.104564][ T1076] netlink_rcv_skb+0x130/0x360 [ 5376.104564][ T1076] netlink_unicast+0x449/0x710 [ 5376.104564][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5376.104564][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5376.104564][ T1076] ___sys_sendmsg+0xee/0x170 [ 5376.104564][ T1076] __sys_sendmsg+0xcd/0x170 [ 5376.104564][ T1076] do_syscall_64+0xc6/0x1e0 [ 5376.104564][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.104564][ T1076] [ 5376.106306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5376.106306][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5376.106306][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5376.106306][ T1076] ipv6_find_idev+0x102/0x170 [ 5376.106306][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.106306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.106306][ T1076] netlink_rcv_skb+0x130/0x360 [ 5376.106306][ T1076] netlink_unicast+0x449/0x710 [ 5376.106306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5376.106306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5376.106306][ T1076] ___sys_sendmsg+0xee/0x170 [ 5376.106306][ T1076] __sys_sendmsg+0xcd/0x170 [ 5376.106306][ T1076] do_syscall_64+0xc6/0x1e0 [ 5376.106306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.106306][ T1076] [ 5386.349731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5386.350239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5386.350239][ T1076] netdev_get_by_index+0x5e/0x80 [ 5386.350239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5386.350239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5386.350239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5386.350239][ T1076] ipv6_add_addr+0x411/0x2000 [ 5386.350239][ T1076] inet6_addr_add+0x30e/0xa40 [ 5386.350239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5386.350239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5386.350239][ T1076] netlink_rcv_skb+0x130/0x360 [ 5386.350239][ T1076] netlink_unicast+0x449/0x710 [ 5386.350239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5386.350239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5386.350239][ T1076] ___sys_sendmsg+0xee/0x170 [ 5386.350239][ T1076] __sys_sendmsg+0xcd/0x170 [ 5386.350239][ T1076] do_syscall_64+0xc6/0x1e0 [ 5386.350239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5386.350239][ T1076] [ 5386.352509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5386.352509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5386.352509][ T1076] ipv6_find_idev+0x102/0x170 [ 5386.352509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5386.352509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5386.352509][ T1076] netlink_rcv_skb+0x130/0x360 [ 5386.352509][ T1076] netlink_unicast+0x449/0x710 [ 5386.352509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5386.352509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5386.352509][ T1076] ___sys_sendmsg+0xee/0x170 [ 5386.352509][ T1076] __sys_sendmsg+0xcd/0x170 [ 5386.352509][ T1076] do_syscall_64+0xc6/0x1e0 [ 5386.352509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5386.352509][ T1076] [ 5386.354239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5386.354239][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5386.354239][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5386.354239][ T1076] ipv6_find_idev+0x102/0x170 [ 5386.354239][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5386.354239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5386.354239][ T1076] netlink_rcv_skb+0x130/0x360 [ 5386.354239][ T1076] netlink_unicast+0x449/0x710 [ 5386.354239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5386.354239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5386.354239][ T1076] ___sys_sendmsg+0xee/0x170 [ 5386.354239][ T1076] __sys_sendmsg+0xcd/0x170 [ 5386.354239][ T1076] do_syscall_64+0xc6/0x1e0 [ 5386.354239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5386.354239][ T1076] [ 5396.597715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5396.598217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5396.598217][ T1076] netdev_get_by_index+0x5e/0x80 [ 5396.598217][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5396.598217][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5396.598217][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5396.598217][ T1076] ipv6_add_addr+0x411/0x2000 [ 5396.598217][ T1076] inet6_addr_add+0x30e/0xa40 [ 5396.598217][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5396.598217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5396.598217][ T1076] netlink_rcv_skb+0x130/0x360 [ 5396.598217][ T1076] netlink_unicast+0x449/0x710 [ 5396.598217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5396.598217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5396.598217][ T1076] ___sys_sendmsg+0xee/0x170 [ 5396.598217][ T1076] __sys_sendmsg+0xcd/0x170 [ 5396.598217][ T1076] do_syscall_64+0xc6/0x1e0 [ 5396.598217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5396.598217][ T1076] [ 5396.600479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5396.600479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5396.600479][ T1076] ipv6_find_idev+0x102/0x170 [ 5396.600479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5396.600479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5396.600479][ T1076] netlink_rcv_skb+0x130/0x360 [ 5396.600479][ T1076] netlink_unicast+0x449/0x710 [ 5396.600479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5396.600479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5396.600479][ T1076] ___sys_sendmsg+0xee/0x170 [ 5396.600479][ T1076] __sys_sendmsg+0xcd/0x170 [ 5396.600479][ T1076] do_syscall_64+0xc6/0x1e0 [ 5396.600479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5396.600479][ T1076] [ 5396.602204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5396.602204][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5396.602204][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5396.602204][ T1076] ipv6_find_idev+0x102/0x170 [ 5396.602204][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5396.602204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5396.602204][ T1076] netlink_rcv_skb+0x130/0x360 [ 5396.602204][ T1076] netlink_unicast+0x449/0x710 [ 5396.602204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5396.602204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5396.602204][ T1076] ___sys_sendmsg+0xee/0x170 [ 5396.602204][ T1076] __sys_sendmsg+0xcd/0x170 [ 5396.602204][ T1076] do_syscall_64+0xc6/0x1e0 [ 5396.602204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5396.602204][ T1076] [ 5406.845625][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5406.846100][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5406.846100][ T1076] netdev_get_by_index+0x5e/0x80 [ 5406.846100][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5406.846100][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5406.846100][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5406.846100][ T1076] ipv6_add_addr+0x411/0x2000 [ 5406.846100][ T1076] inet6_addr_add+0x30e/0xa40 [ 5406.846100][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5406.846100][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5406.846100][ T1076] netlink_rcv_skb+0x130/0x360 [ 5406.846100][ T1076] netlink_unicast+0x449/0x710 [ 5406.846100][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5406.846100][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5406.846100][ T1076] ___sys_sendmsg+0xee/0x170 [ 5406.846100][ T1076] __sys_sendmsg+0xcd/0x170 [ 5406.846100][ T1076] do_syscall_64+0xc6/0x1e0 [ 5406.846100][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5406.846100][ T1076] [ 5406.848396][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5406.848396][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5406.848396][ T1076] ipv6_find_idev+0x102/0x170 [ 5406.848396][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5406.848396][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5406.848396][ T1076] netlink_rcv_skb+0x130/0x360 [ 5406.848396][ T1076] netlink_unicast+0x449/0x710 [ 5406.848396][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5406.848396][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5406.848396][ T1076] ___sys_sendmsg+0xee/0x170 [ 5406.848396][ T1076] __sys_sendmsg+0xcd/0x170 [ 5406.848396][ T1076] do_syscall_64+0xc6/0x1e0 [ 5406.848396][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5406.848396][ T1076] [ 5406.850135][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5406.850135][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5406.850135][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5406.850135][ T1076] ipv6_find_idev+0x102/0x170 [ 5406.850135][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5406.850135][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5406.850135][ T1076] netlink_rcv_skb+0x130/0x360 [ 5406.850135][ T1076] netlink_unicast+0x449/0x710 [ 5406.850135][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5406.850135][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5406.850135][ T1076] ___sys_sendmsg+0xee/0x170 [ 5406.850135][ T1076] __sys_sendmsg+0xcd/0x170 [ 5406.850135][ T1076] do_syscall_64+0xc6/0x1e0 [ 5406.850135][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5406.850135][ T1076] [ 5417.093631][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5417.094126][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5417.094126][ T1076] netdev_get_by_index+0x5e/0x80 [ 5417.094126][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5417.094126][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5417.094126][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5417.094126][ T1076] ipv6_add_addr+0x411/0x2000 [ 5417.094126][ T1076] inet6_addr_add+0x30e/0xa40 [ 5417.094126][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.094126][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.094126][ T1076] netlink_rcv_skb+0x130/0x360 [ 5417.094126][ T1076] netlink_unicast+0x449/0x710 [ 5417.094126][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5417.094126][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5417.094126][ T1076] ___sys_sendmsg+0xee/0x170 [ 5417.094126][ T1076] __sys_sendmsg+0xcd/0x170 [ 5417.094126][ T1076] do_syscall_64+0xc6/0x1e0 [ 5417.094126][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.094126][ T1076] [ 5417.096402][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5417.096402][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5417.096402][ T1076] ipv6_find_idev+0x102/0x170 [ 5417.096402][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.096402][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.096402][ T1076] netlink_rcv_skb+0x130/0x360 [ 5417.096402][ T1076] netlink_unicast+0x449/0x710 [ 5417.096402][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5417.096402][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5417.096402][ T1076] ___sys_sendmsg+0xee/0x170 [ 5417.096402][ T1076] __sys_sendmsg+0xcd/0x170 [ 5417.096402][ T1076] do_syscall_64+0xc6/0x1e0 [ 5417.096402][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.096402][ T1076] [ 5417.098161][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5417.098161][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5417.098161][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5417.098161][ T1076] ipv6_find_idev+0x102/0x170 [ 5417.098161][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.098161][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.098161][ T1076] netlink_rcv_skb+0x130/0x360 [ 5417.098161][ T1076] netlink_unicast+0x449/0x710 [ 5417.098161][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5417.098161][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5417.098161][ T1076] ___sys_sendmsg+0xee/0x170 [ 5417.098161][ T1076] __sys_sendmsg+0xcd/0x170 [ 5417.098161][ T1076] do_syscall_64+0xc6/0x1e0 [ 5417.098161][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.098161][ T1076] [ 5427.213711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5427.214262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5427.214262][ T1076] netdev_get_by_index+0x5e/0x80 [ 5427.214262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5427.214262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5427.214262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5427.214262][ T1076] ipv6_add_addr+0x411/0x2000 [ 5427.214262][ T1076] inet6_addr_add+0x30e/0xa40 [ 5427.214262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.214262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.214262][ T1076] netlink_rcv_skb+0x130/0x360 [ 5427.214262][ T1076] netlink_unicast+0x449/0x710 [ 5427.214262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5427.214262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5427.214262][ T1076] ___sys_sendmsg+0xee/0x170 [ 5427.214262][ T1076] __sys_sendmsg+0xcd/0x170 [ 5427.214262][ T1076] do_syscall_64+0xc6/0x1e0 [ 5427.214262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.214262][ T1076] [ 5427.216541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5427.216541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5427.216541][ T1076] ipv6_find_idev+0x102/0x170 [ 5427.216541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.216541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.216541][ T1076] netlink_rcv_skb+0x130/0x360 [ 5427.216541][ T1076] netlink_unicast+0x449/0x710 [ 5427.216541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5427.216541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5427.216541][ T1076] ___sys_sendmsg+0xee/0x170 [ 5427.216541][ T1076] __sys_sendmsg+0xcd/0x170 [ 5427.216541][ T1076] do_syscall_64+0xc6/0x1e0 [ 5427.216541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.216541][ T1076] [ 5427.218318][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5427.218318][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5427.218318][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5427.218318][ T1076] ipv6_find_idev+0x102/0x170 [ 5427.218318][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.218318][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.218318][ T1076] netlink_rcv_skb+0x130/0x360 [ 5427.218318][ T1076] netlink_unicast+0x449/0x710 [ 5427.218318][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5427.218318][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5427.218318][ T1076] ___sys_sendmsg+0xee/0x170 [ 5427.218318][ T1076] __sys_sendmsg+0xcd/0x170 [ 5427.218318][ T1076] do_syscall_64+0xc6/0x1e0 [ 5427.218318][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.218318][ T1076] [ 5437.461720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5437.462195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5437.462195][ T1076] netdev_get_by_index+0x5e/0x80 [ 5437.462195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5437.462195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5437.462195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5437.462195][ T1076] ipv6_add_addr+0x411/0x2000 [ 5437.462195][ T1076] inet6_addr_add+0x30e/0xa40 [ 5437.462195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5437.462195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5437.462195][ T1076] netlink_rcv_skb+0x130/0x360 [ 5437.462195][ T1076] netlink_unicast+0x449/0x710 [ 5437.462195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5437.462195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5437.462195][ T1076] ___sys_sendmsg+0xee/0x170 [ 5437.462195][ T1076] __sys_sendmsg+0xcd/0x170 [ 5437.462195][ T1076] do_syscall_64+0xc6/0x1e0 [ 5437.462195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5437.462195][ T1076] [ 5437.464479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5437.464479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5437.464479][ T1076] ipv6_find_idev+0x102/0x170 [ 5437.464479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5437.464479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5437.464479][ T1076] netlink_rcv_skb+0x130/0x360 [ 5437.464479][ T1076] netlink_unicast+0x449/0x710 [ 5437.464479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5437.464479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5437.464479][ T1076] ___sys_sendmsg+0xee/0x170 [ 5437.464479][ T1076] __sys_sendmsg+0xcd/0x170 [ 5437.464479][ T1076] do_syscall_64+0xc6/0x1e0 [ 5437.464479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5437.464479][ T1076] [ 5437.466226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5437.466226][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5437.466226][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5437.466226][ T1076] ipv6_find_idev+0x102/0x170 [ 5437.466226][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5437.466226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5437.466226][ T1076] netlink_rcv_skb+0x130/0x360 [ 5437.466226][ T1076] netlink_unicast+0x449/0x710 [ 5437.466226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5437.466226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5437.466226][ T1076] ___sys_sendmsg+0xee/0x170 [ 5437.466226][ T1076] __sys_sendmsg+0xcd/0x170 [ 5437.466226][ T1076] do_syscall_64+0xc6/0x1e0 [ 5437.466226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5437.466226][ T1076] [ 5447.485644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5447.486121][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5447.486121][ T1076] netdev_get_by_index+0x5e/0x80 [ 5447.486121][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5447.486121][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5447.486121][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5447.486121][ T1076] ipv6_add_addr+0x411/0x2000 [ 5447.486121][ T1076] inet6_addr_add+0x30e/0xa40 [ 5447.486121][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5447.486121][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5447.486121][ T1076] netlink_rcv_skb+0x130/0x360 [ 5447.486121][ T1076] netlink_unicast+0x449/0x710 [ 5447.486121][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5447.486121][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5447.486121][ T1076] ___sys_sendmsg+0xee/0x170 [ 5447.486121][ T1076] __sys_sendmsg+0xcd/0x170 [ 5447.486121][ T1076] do_syscall_64+0xc6/0x1e0 [ 5447.486121][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5447.486121][ T1076] [ 5447.488450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5447.488450][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5447.488450][ T1076] ipv6_find_idev+0x102/0x170 [ 5447.488450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5447.488450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5447.488450][ T1076] netlink_rcv_skb+0x130/0x360 [ 5447.488450][ T1076] netlink_unicast+0x449/0x710 [ 5447.488450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5447.488450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5447.488450][ T1076] ___sys_sendmsg+0xee/0x170 [ 5447.488450][ T1076] __sys_sendmsg+0xcd/0x170 [ 5447.488450][ T1076] do_syscall_64+0xc6/0x1e0 [ 5447.488450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5447.488450][ T1076] [ 5447.490192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5447.490192][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5447.490192][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5447.490192][ T1076] ipv6_find_idev+0x102/0x170 [ 5447.490192][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5447.490192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5447.490192][ T1076] netlink_rcv_skb+0x130/0x360 [ 5447.490192][ T1076] netlink_unicast+0x449/0x710 [ 5447.490192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5447.490192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5447.490192][ T1076] ___sys_sendmsg+0xee/0x170 [ 5447.490192][ T1076] __sys_sendmsg+0xcd/0x170 [ 5447.490192][ T1076] do_syscall_64+0xc6/0x1e0 [ 5447.490192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5447.490192][ T1076] [ 5457.741643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5457.742192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5457.742192][ T1076] netdev_get_by_index+0x5e/0x80 [ 5457.742192][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5457.742192][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5457.742192][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5457.742192][ T1076] ipv6_add_addr+0x411/0x2000 [ 5457.742192][ T1076] inet6_addr_add+0x30e/0xa40 [ 5457.742192][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5457.742192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5457.742192][ T1076] netlink_rcv_skb+0x130/0x360 [ 5457.742192][ T1076] netlink_unicast+0x449/0x710 [ 5457.742192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5457.742192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5457.742192][ T1076] ___sys_sendmsg+0xee/0x170 [ 5457.742192][ T1076] __sys_sendmsg+0xcd/0x170 [ 5457.742192][ T1076] do_syscall_64+0xc6/0x1e0 [ 5457.742192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5457.742192][ T1076] [ 5457.744833][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5457.744833][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5457.744833][ T1076] ipv6_find_idev+0x102/0x170 [ 5457.744833][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5457.744833][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5457.744833][ T1076] netlink_rcv_skb+0x130/0x360 [ 5457.744833][ T1076] netlink_unicast+0x449/0x710 [ 5457.744833][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5457.744833][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5457.744833][ T1076] ___sys_sendmsg+0xee/0x170 [ 5457.744833][ T1076] __sys_sendmsg+0xcd/0x170 [ 5457.744833][ T1076] do_syscall_64+0xc6/0x1e0 [ 5457.744833][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5457.744833][ T1076] [ 5457.746574][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5457.746574][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5457.746574][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5457.746574][ T1076] ipv6_find_idev+0x102/0x170 [ 5457.746574][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5457.746574][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5457.746574][ T1076] netlink_rcv_skb+0x130/0x360 [ 5457.746574][ T1076] netlink_unicast+0x449/0x710 [ 5457.746574][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5457.746574][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5457.746574][ T1076] ___sys_sendmsg+0xee/0x170 [ 5457.746574][ T1076] __sys_sendmsg+0xcd/0x170 [ 5457.746574][ T1076] do_syscall_64+0xc6/0x1e0 [ 5457.746574][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5457.746574][ T1076] [ 5467.997683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5467.998253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5467.998253][ T1076] netdev_get_by_index+0x5e/0x80 [ 5467.998253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5467.998253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5467.998253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5467.998253][ T1076] ipv6_add_addr+0x411/0x2000 [ 5467.998253][ T1076] inet6_addr_add+0x30e/0xa40 [ 5467.998253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5467.998253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5467.998253][ T1076] netlink_rcv_skb+0x130/0x360 [ 5467.998253][ T1076] netlink_unicast+0x449/0x710 [ 5467.998253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5467.998253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5467.998253][ T1076] ___sys_sendmsg+0xee/0x170 [ 5467.998253][ T1076] __sys_sendmsg+0xcd/0x170 [ 5467.998253][ T1076] do_syscall_64+0xc6/0x1e0 [ 5467.998253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5467.998253][ T1076] [ 5468.000542][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5468.000542][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5468.000542][ T1076] ipv6_find_idev+0x102/0x170 [ 5468.000542][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.000542][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.000542][ T1076] netlink_rcv_skb+0x130/0x360 [ 5468.000542][ T1076] netlink_unicast+0x449/0x710 [ 5468.000542][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5468.000542][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5468.000542][ T1076] ___sys_sendmsg+0xee/0x170 [ 5468.000542][ T1076] __sys_sendmsg+0xcd/0x170 [ 5468.000542][ T1076] do_syscall_64+0xc6/0x1e0 [ 5468.000542][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.000542][ T1076] [ 5468.002312][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5468.002312][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5468.002312][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5468.002312][ T1076] ipv6_find_idev+0x102/0x170 [ 5468.002312][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.002312][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.002312][ T1076] netlink_rcv_skb+0x130/0x360 [ 5468.002312][ T1076] netlink_unicast+0x449/0x710 [ 5468.002312][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5468.002312][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5468.002312][ T1076] ___sys_sendmsg+0xee/0x170 [ 5468.002312][ T1076] __sys_sendmsg+0xcd/0x170 [ 5468.002312][ T1076] do_syscall_64+0xc6/0x1e0 [ 5468.002312][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.002312][ T1076] [ 5478.045632][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5478.046190][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5478.046190][ T1076] netdev_get_by_index+0x5e/0x80 [ 5478.046190][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5478.046190][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5478.046190][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5478.046190][ T1076] ipv6_add_addr+0x411/0x2000 [ 5478.046190][ T1076] inet6_addr_add+0x30e/0xa40 [ 5478.046190][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5478.046190][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5478.046190][ T1076] netlink_rcv_skb+0x130/0x360 [ 5478.046190][ T1076] netlink_unicast+0x449/0x710 [ 5478.046190][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5478.046190][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5478.046190][ T1076] ___sys_sendmsg+0xee/0x170 [ 5478.046190][ T1076] __sys_sendmsg+0xcd/0x170 [ 5478.046190][ T1076] do_syscall_64+0xc6/0x1e0 [ 5478.046190][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5478.046190][ T1076] [ 5478.048494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5478.048494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5478.048494][ T1076] ipv6_find_idev+0x102/0x170 [ 5478.048494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5478.048494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5478.048494][ T1076] netlink_rcv_skb+0x130/0x360 [ 5478.048494][ T1076] netlink_unicast+0x449/0x710 [ 5478.048494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5478.048494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5478.048494][ T1076] ___sys_sendmsg+0xee/0x170 [ 5478.048494][ T1076] __sys_sendmsg+0xcd/0x170 [ 5478.048494][ T1076] do_syscall_64+0xc6/0x1e0 [ 5478.048494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5478.048494][ T1076] [ 5478.050236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5478.050236][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5478.050236][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5478.050236][ T1076] ipv6_find_idev+0x102/0x170 [ 5478.050236][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5478.050236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5478.050236][ T1076] netlink_rcv_skb+0x130/0x360 [ 5478.050236][ T1076] netlink_unicast+0x449/0x710 [ 5478.050236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5478.050236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5478.050236][ T1076] ___sys_sendmsg+0xee/0x170 [ 5478.050236][ T1076] __sys_sendmsg+0xcd/0x170 [ 5478.050236][ T1076] do_syscall_64+0xc6/0x1e0 [ 5478.050236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5478.050236][ T1076] [ 5488.093676][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5488.094213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5488.094213][ T1076] netdev_get_by_index+0x5e/0x80 [ 5488.094213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5488.094213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5488.094213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5488.094213][ T1076] ipv6_add_addr+0x411/0x2000 [ 5488.094213][ T1076] inet6_addr_add+0x30e/0xa40 [ 5488.094213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5488.094213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5488.094213][ T1076] netlink_rcv_skb+0x130/0x360 [ 5488.094213][ T1076] netlink_unicast+0x449/0x710 [ 5488.094213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5488.094213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5488.094213][ T1076] ___sys_sendmsg+0xee/0x170 [ 5488.094213][ T1076] __sys_sendmsg+0xcd/0x170 [ 5488.094213][ T1076] do_syscall_64+0xc6/0x1e0 [ 5488.094213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5488.094213][ T1076] [ 5488.096504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5488.096504][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5488.096504][ T1076] ipv6_find_idev+0x102/0x170 [ 5488.096504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5488.096504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5488.096504][ T1076] netlink_rcv_skb+0x130/0x360 [ 5488.096504][ T1076] netlink_unicast+0x449/0x710 [ 5488.096504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5488.096504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5488.096504][ T1076] ___sys_sendmsg+0xee/0x170 [ 5488.096504][ T1076] __sys_sendmsg+0xcd/0x170 [ 5488.096504][ T1076] do_syscall_64+0xc6/0x1e0 [ 5488.096504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5488.096504][ T1076] [ 5488.098251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5488.098251][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5488.098251][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5488.098251][ T1076] ipv6_find_idev+0x102/0x170 [ 5488.098251][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5488.098251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5488.098251][ T1076] netlink_rcv_skb+0x130/0x360 [ 5488.098251][ T1076] netlink_unicast+0x449/0x710 [ 5488.098251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5488.098251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5488.098251][ T1076] ___sys_sendmsg+0xee/0x170 [ 5488.098251][ T1076] __sys_sendmsg+0xcd/0x170 [ 5488.098251][ T1076] do_syscall_64+0xc6/0x1e0 [ 5488.098251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5488.098251][ T1076] [ 5498.341738][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5498.342288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5498.342288][ T1076] netdev_get_by_index+0x5e/0x80 [ 5498.342288][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5498.342288][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5498.342288][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5498.342288][ T1076] ipv6_add_addr+0x411/0x2000 [ 5498.342288][ T1076] inet6_addr_add+0x30e/0xa40 [ 5498.342288][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5498.342288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5498.342288][ T1076] netlink_rcv_skb+0x130/0x360 [ 5498.342288][ T1076] netlink_unicast+0x449/0x710 [ 5498.342288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5498.342288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5498.342288][ T1076] ___sys_sendmsg+0xee/0x170 [ 5498.342288][ T1076] __sys_sendmsg+0xcd/0x170 [ 5498.342288][ T1076] do_syscall_64+0xc6/0x1e0 [ 5498.342288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5498.342288][ T1076] [ 5498.344577][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5498.344577][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5498.344577][ T1076] ipv6_find_idev+0x102/0x170 [ 5498.344577][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5498.344577][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5498.344577][ T1076] netlink_rcv_skb+0x130/0x360 [ 5498.344577][ T1076] netlink_unicast+0x449/0x710 [ 5498.344577][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5498.344577][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5498.344577][ T1076] ___sys_sendmsg+0xee/0x170 [ 5498.344577][ T1076] __sys_sendmsg+0xcd/0x170 [ 5498.344577][ T1076] do_syscall_64+0xc6/0x1e0 [ 5498.344577][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5498.344577][ T1076] [ 5498.346324][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5498.346324][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5498.346324][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5498.346324][ T1076] ipv6_find_idev+0x102/0x170 [ 5498.346324][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5498.346324][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5498.346324][ T1076] netlink_rcv_skb+0x130/0x360 [ 5498.346324][ T1076] netlink_unicast+0x449/0x710 [ 5498.346324][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5498.346324][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5498.346324][ T1076] ___sys_sendmsg+0xee/0x170 [ 5498.346324][ T1076] __sys_sendmsg+0xcd/0x170 [ 5498.346324][ T1076] do_syscall_64+0xc6/0x1e0 [ 5498.346324][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5498.346324][ T1076] [ 5508.589723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5508.590252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5508.590252][ T1076] netdev_get_by_index+0x5e/0x80 [ 5508.590252][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5508.590252][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5508.590252][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5508.590252][ T1076] ipv6_add_addr+0x411/0x2000 [ 5508.590252][ T1076] inet6_addr_add+0x30e/0xa40 [ 5508.590252][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5508.590252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5508.590252][ T1076] netlink_rcv_skb+0x130/0x360 [ 5508.590252][ T1076] netlink_unicast+0x449/0x710 [ 5508.590252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5508.590252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5508.590252][ T1076] ___sys_sendmsg+0xee/0x170 [ 5508.590252][ T1076] __sys_sendmsg+0xcd/0x170 [ 5508.590252][ T1076] do_syscall_64+0xc6/0x1e0 [ 5508.590252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5508.590252][ T1076] [ 5508.592543][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5508.592543][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5508.592543][ T1076] ipv6_find_idev+0x102/0x170 [ 5508.592543][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5508.592543][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5508.592543][ T1076] netlink_rcv_skb+0x130/0x360 [ 5508.592543][ T1076] netlink_unicast+0x449/0x710 [ 5508.592543][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5508.592543][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5508.592543][ T1076] ___sys_sendmsg+0xee/0x170 [ 5508.592543][ T1076] __sys_sendmsg+0xcd/0x170 [ 5508.592543][ T1076] do_syscall_64+0xc6/0x1e0 [ 5508.592543][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5508.592543][ T1076] [ 5508.594319][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5508.594319][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5508.594319][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5508.594319][ T1076] ipv6_find_idev+0x102/0x170 [ 5508.594319][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5508.594319][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5508.594319][ T1076] netlink_rcv_skb+0x130/0x360 [ 5508.594319][ T1076] netlink_unicast+0x449/0x710 [ 5508.594319][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5508.594319][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5508.594319][ T1076] ___sys_sendmsg+0xee/0x170 [ 5508.594319][ T1076] __sys_sendmsg+0xcd/0x170 [ 5508.594319][ T1076] do_syscall_64+0xc6/0x1e0 [ 5508.594319][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5508.594319][ T1076] [ 5518.837710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5518.838186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5518.838186][ T1076] netdev_get_by_index+0x5e/0x80 [ 5518.838186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5518.838186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5518.838186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5518.838186][ T1076] ipv6_add_addr+0x411/0x2000 [ 5518.838186][ T1076] inet6_addr_add+0x30e/0xa40 [ 5518.838186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5518.838186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5518.838186][ T1076] netlink_rcv_skb+0x130/0x360 [ 5518.838186][ T1076] netlink_unicast+0x449/0x710 [ 5518.838186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5518.838186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5518.838186][ T1076] ___sys_sendmsg+0xee/0x170 [ 5518.838186][ T1076] __sys_sendmsg+0xcd/0x170 [ 5518.838186][ T1076] do_syscall_64+0xc6/0x1e0 [ 5518.838186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5518.838186][ T1076] [ 5518.840468][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5518.840468][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5518.840468][ T1076] ipv6_find_idev+0x102/0x170 [ 5518.840468][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5518.840468][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5518.840468][ T1076] netlink_rcv_skb+0x130/0x360 [ 5518.840468][ T1076] netlink_unicast+0x449/0x710 [ 5518.840468][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5518.840468][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5518.840468][ T1076] ___sys_sendmsg+0xee/0x170 [ 5518.840468][ T1076] __sys_sendmsg+0xcd/0x170 [ 5518.840468][ T1076] do_syscall_64+0xc6/0x1e0 [ 5518.840468][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5518.840468][ T1076] [ 5518.842221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5518.842221][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5518.842221][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5518.842221][ T1076] ipv6_find_idev+0x102/0x170 [ 5518.842221][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5518.842221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5518.842221][ T1076] netlink_rcv_skb+0x130/0x360 [ 5518.842221][ T1076] netlink_unicast+0x449/0x710 [ 5518.842221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5518.842221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5518.842221][ T1076] ___sys_sendmsg+0xee/0x170 [ 5518.842221][ T1076] __sys_sendmsg+0xcd/0x170 [ 5518.842221][ T1076] do_syscall_64+0xc6/0x1e0 [ 5518.842221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5518.842221][ T1076] [ 5529.085747][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5529.086244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5529.086244][ T1076] netdev_get_by_index+0x5e/0x80 [ 5529.086244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5529.086244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5529.086244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5529.086244][ T1076] ipv6_add_addr+0x411/0x2000 [ 5529.086244][ T1076] inet6_addr_add+0x30e/0xa40 [ 5529.086244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5529.086244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5529.086244][ T1076] netlink_rcv_skb+0x130/0x360 [ 5529.086244][ T1076] netlink_unicast+0x449/0x710 [ 5529.086244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5529.086244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5529.086244][ T1076] ___sys_sendmsg+0xee/0x170 [ 5529.086244][ T1076] __sys_sendmsg+0xcd/0x170 [ 5529.086244][ T1076] do_syscall_64+0xc6/0x1e0 [ 5529.086244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5529.086244][ T1076] [ 5529.088541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5529.088541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5529.088541][ T1076] ipv6_find_idev+0x102/0x170 [ 5529.088541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5529.088541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5529.088541][ T1076] netlink_rcv_skb+0x130/0x360 [ 5529.088541][ T1076] netlink_unicast+0x449/0x710 [ 5529.088541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5529.088541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5529.088541][ T1076] ___sys_sendmsg+0xee/0x170 [ 5529.088541][ T1076] __sys_sendmsg+0xcd/0x170 [ 5529.088541][ T1076] do_syscall_64+0xc6/0x1e0 [ 5529.088541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5529.088541][ T1076] [ 5529.090279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5529.090279][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5529.090279][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5529.090279][ T1076] ipv6_find_idev+0x102/0x170 [ 5529.090279][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5529.090279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5529.090279][ T1076] netlink_rcv_skb+0x130/0x360 [ 5529.090279][ T1076] netlink_unicast+0x449/0x710 [ 5529.090279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5529.090279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5529.090279][ T1076] ___sys_sendmsg+0xee/0x170 [ 5529.090279][ T1076] __sys_sendmsg+0xcd/0x170 [ 5529.090279][ T1076] do_syscall_64+0xc6/0x1e0 [ 5529.090279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5529.090279][ T1076] [ 5539.333721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5539.334201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5539.334201][ T1076] netdev_get_by_index+0x5e/0x80 [ 5539.334201][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5539.334201][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5539.334201][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5539.334201][ T1076] ipv6_add_addr+0x411/0x2000 [ 5539.334201][ T1076] inet6_addr_add+0x30e/0xa40 [ 5539.334201][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5539.334201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5539.334201][ T1076] netlink_rcv_skb+0x130/0x360 [ 5539.334201][ T1076] netlink_unicast+0x449/0x710 [ 5539.334201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5539.334201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5539.334201][ T1076] ___sys_sendmsg+0xee/0x170 [ 5539.334201][ T1076] __sys_sendmsg+0xcd/0x170 [ 5539.334201][ T1076] do_syscall_64+0xc6/0x1e0 [ 5539.334201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5539.334201][ T1076] [ 5539.336488][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5539.336488][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5539.336488][ T1076] ipv6_find_idev+0x102/0x170 [ 5539.336488][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5539.336488][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5539.336488][ T1076] netlink_rcv_skb+0x130/0x360 [ 5539.336488][ T1076] netlink_unicast+0x449/0x710 [ 5539.336488][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5539.336488][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5539.336488][ T1076] ___sys_sendmsg+0xee/0x170 [ 5539.336488][ T1076] __sys_sendmsg+0xcd/0x170 [ 5539.336488][ T1076] do_syscall_64+0xc6/0x1e0 [ 5539.336488][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5539.336488][ T1076] [ 5539.338247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5539.338247][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5539.338247][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5539.338247][ T1076] ipv6_find_idev+0x102/0x170 [ 5539.338247][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5539.338247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5539.338247][ T1076] netlink_rcv_skb+0x130/0x360 [ 5539.338247][ T1076] netlink_unicast+0x449/0x710 [ 5539.338247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5539.338247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5539.338247][ T1076] ___sys_sendmsg+0xee/0x170 [ 5539.338247][ T1076] __sys_sendmsg+0xcd/0x170 [ 5539.338247][ T1076] do_syscall_64+0xc6/0x1e0 [ 5539.338247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5539.338247][ T1076] [ 5549.357698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5549.358209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5549.358209][ T1076] netdev_get_by_index+0x5e/0x80 [ 5549.358209][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5549.358209][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5549.358209][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5549.358209][ T1076] ipv6_add_addr+0x411/0x2000 [ 5549.358209][ T1076] inet6_addr_add+0x30e/0xa40 [ 5549.358209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5549.358209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5549.358209][ T1076] netlink_rcv_skb+0x130/0x360 [ 5549.358209][ T1076] netlink_unicast+0x449/0x710 [ 5549.358209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5549.358209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5549.358209][ T1076] ___sys_sendmsg+0xee/0x170 [ 5549.358209][ T1076] __sys_sendmsg+0xcd/0x170 [ 5549.358209][ T1076] do_syscall_64+0xc6/0x1e0 [ 5549.358209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5549.358209][ T1076] [ 5549.360460][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5549.360460][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5549.360460][ T1076] ipv6_find_idev+0x102/0x170 [ 5549.360460][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5549.360460][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5549.360460][ T1076] netlink_rcv_skb+0x130/0x360 [ 5549.360460][ T1076] netlink_unicast+0x449/0x710 [ 5549.360460][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5549.360460][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5549.360460][ T1076] ___sys_sendmsg+0xee/0x170 [ 5549.360460][ T1076] __sys_sendmsg+0xcd/0x170 [ 5549.360460][ T1076] do_syscall_64+0xc6/0x1e0 [ 5549.360460][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5549.360460][ T1076] [ 5549.362185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5549.362185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5549.362185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5549.362185][ T1076] ipv6_find_idev+0x102/0x170 [ 5549.362185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5549.362185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5549.362185][ T1076] netlink_rcv_skb+0x130/0x360 [ 5549.362185][ T1076] netlink_unicast+0x449/0x710 [ 5549.362185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5549.362185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5549.362185][ T1076] ___sys_sendmsg+0xee/0x170 [ 5549.362185][ T1076] __sys_sendmsg+0xcd/0x170 [ 5549.362185][ T1076] do_syscall_64+0xc6/0x1e0 [ 5549.362185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5549.362185][ T1076] [ 5559.605645][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5559.606162][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5559.606162][ T1076] netdev_get_by_index+0x5e/0x80 [ 5559.606162][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5559.606162][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5559.606162][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5559.606162][ T1076] ipv6_add_addr+0x411/0x2000 [ 5559.606162][ T1076] inet6_addr_add+0x30e/0xa40 [ 5559.606162][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5559.606162][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5559.606162][ T1076] netlink_rcv_skb+0x130/0x360 [ 5559.606162][ T1076] netlink_unicast+0x449/0x710 [ 5559.606162][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5559.606162][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5559.606162][ T1076] ___sys_sendmsg+0xee/0x170 [ 5559.606162][ T1076] __sys_sendmsg+0xcd/0x170 [ 5559.606162][ T1076] do_syscall_64+0xc6/0x1e0 [ 5559.606162][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5559.606162][ T1076] [ 5559.608566][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5559.608566][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5559.608566][ T1076] ipv6_find_idev+0x102/0x170 [ 5559.608566][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5559.608566][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5559.608566][ T1076] netlink_rcv_skb+0x130/0x360 [ 5559.608566][ T1076] netlink_unicast+0x449/0x710 [ 5559.608566][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5559.608566][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5559.608566][ T1076] ___sys_sendmsg+0xee/0x170 [ 5559.608566][ T1076] __sys_sendmsg+0xcd/0x170 [ 5559.608566][ T1076] do_syscall_64+0xc6/0x1e0 [ 5559.608566][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5559.608566][ T1076] [ 5559.610314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5559.610314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5559.610314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5559.610314][ T1076] ipv6_find_idev+0x102/0x170 [ 5559.610314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5559.610314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5559.610314][ T1076] netlink_rcv_skb+0x130/0x360 [ 5559.610314][ T1076] netlink_unicast+0x449/0x710 [ 5559.610314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5559.610314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5559.610314][ T1076] ___sys_sendmsg+0xee/0x170 [ 5559.610314][ T1076] __sys_sendmsg+0xcd/0x170 [ 5559.610314][ T1076] do_syscall_64+0xc6/0x1e0 [ 5559.610314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5559.610314][ T1076] [ 5569.861702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5569.862218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5569.862218][ T1076] netdev_get_by_index+0x5e/0x80 [ 5569.862218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5569.862218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5569.862218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5569.862218][ T1076] ipv6_add_addr+0x411/0x2000 [ 5569.862218][ T1076] inet6_addr_add+0x30e/0xa40 [ 5569.862218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5569.862218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5569.862218][ T1076] netlink_rcv_skb+0x130/0x360 [ 5569.862218][ T1076] netlink_unicast+0x449/0x710 [ 5569.862218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5569.862218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5569.862218][ T1076] ___sys_sendmsg+0xee/0x170 [ 5569.862218][ T1076] __sys_sendmsg+0xcd/0x170 [ 5569.862218][ T1076] do_syscall_64+0xc6/0x1e0 [ 5569.862218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5569.862218][ T1076] [ 5569.864512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5569.864512][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5569.864512][ T1076] ipv6_find_idev+0x102/0x170 [ 5569.864512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5569.864512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5569.864512][ T1076] netlink_rcv_skb+0x130/0x360 [ 5569.864512][ T1076] netlink_unicast+0x449/0x710 [ 5569.864512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5569.864512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5569.864512][ T1076] ___sys_sendmsg+0xee/0x170 [ 5569.864512][ T1076] __sys_sendmsg+0xcd/0x170 [ 5569.864512][ T1076] do_syscall_64+0xc6/0x1e0 [ 5569.864512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5569.864512][ T1076] [ 5569.866264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5569.866264][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5569.866264][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5569.866264][ T1076] ipv6_find_idev+0x102/0x170 [ 5569.866264][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5569.866264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5569.866264][ T1076] netlink_rcv_skb+0x130/0x360 [ 5569.866264][ T1076] netlink_unicast+0x449/0x710 [ 5569.866264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5569.866264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5569.866264][ T1076] ___sys_sendmsg+0xee/0x170 [ 5569.866264][ T1076] __sys_sendmsg+0xcd/0x170 [ 5569.866264][ T1076] do_syscall_64+0xc6/0x1e0 [ 5569.866264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5569.866264][ T1076] [ 5580.109700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5580.110232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5580.110232][ T1076] netdev_get_by_index+0x5e/0x80 [ 5580.110232][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5580.110232][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5580.110232][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5580.110232][ T1076] ipv6_add_addr+0x411/0x2000 [ 5580.110232][ T1076] inet6_addr_add+0x30e/0xa40 [ 5580.110232][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5580.110232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5580.110232][ T1076] netlink_rcv_skb+0x130/0x360 [ 5580.110232][ T1076] netlink_unicast+0x449/0x710 [ 5580.110232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5580.110232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5580.110232][ T1076] ___sys_sendmsg+0xee/0x170 [ 5580.110232][ T1076] __sys_sendmsg+0xcd/0x170 [ 5580.110232][ T1076] do_syscall_64+0xc6/0x1e0 [ 5580.110232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5580.110232][ T1076] [ 5580.112513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5580.112513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5580.112513][ T1076] ipv6_find_idev+0x102/0x170 [ 5580.112513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5580.112513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5580.112513][ T1076] netlink_rcv_skb+0x130/0x360 [ 5580.112513][ T1076] netlink_unicast+0x449/0x710 [ 5580.112513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5580.112513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5580.112513][ T1076] ___sys_sendmsg+0xee/0x170 [ 5580.112513][ T1076] __sys_sendmsg+0xcd/0x170 [ 5580.112513][ T1076] do_syscall_64+0xc6/0x1e0 [ 5580.112513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5580.112513][ T1076] [ 5580.114255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5580.114255][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5580.114255][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5580.114255][ T1076] ipv6_find_idev+0x102/0x170 [ 5580.114255][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5580.114255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5580.114255][ T1076] netlink_rcv_skb+0x130/0x360 [ 5580.114255][ T1076] netlink_unicast+0x449/0x710 [ 5580.114255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5580.114255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5580.114255][ T1076] ___sys_sendmsg+0xee/0x170 [ 5580.114255][ T1076] __sys_sendmsg+0xcd/0x170 [ 5580.114255][ T1076] do_syscall_64+0xc6/0x1e0 [ 5580.114255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5580.114255][ T1076] [ 5590.357697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5590.358227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5590.358227][ T1076] netdev_get_by_index+0x5e/0x80 [ 5590.358227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5590.358227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5590.358227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5590.358227][ T1076] ipv6_add_addr+0x411/0x2000 [ 5590.358227][ T1076] inet6_addr_add+0x30e/0xa40 [ 5590.358227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5590.358227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5590.358227][ T1076] netlink_rcv_skb+0x130/0x360 [ 5590.358227][ T1076] netlink_unicast+0x449/0x710 [ 5590.358227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5590.358227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5590.358227][ T1076] ___sys_sendmsg+0xee/0x170 [ 5590.358227][ T1076] __sys_sendmsg+0xcd/0x170 [ 5590.358227][ T1076] do_syscall_64+0xc6/0x1e0 [ 5590.358227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5590.358227][ T1076] [ 5590.360511][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5590.360511][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5590.360511][ T1076] ipv6_find_idev+0x102/0x170 [ 5590.360511][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5590.360511][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5590.360511][ T1076] netlink_rcv_skb+0x130/0x360 [ 5590.360511][ T1076] netlink_unicast+0x449/0x710 [ 5590.360511][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5590.360511][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5590.360511][ T1076] ___sys_sendmsg+0xee/0x170 [ 5590.360511][ T1076] __sys_sendmsg+0xcd/0x170 [ 5590.360511][ T1076] do_syscall_64+0xc6/0x1e0 [ 5590.360511][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5590.360511][ T1076] [ 5590.362257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5590.362257][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5590.362257][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5590.362257][ T1076] ipv6_find_idev+0x102/0x170 [ 5590.362257][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5590.362257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5590.362257][ T1076] netlink_rcv_skb+0x130/0x360 [ 5590.362257][ T1076] netlink_unicast+0x449/0x710 [ 5590.362257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5590.362257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5590.362257][ T1076] ___sys_sendmsg+0xee/0x170 [ 5590.362257][ T1076] __sys_sendmsg+0xcd/0x170 [ 5590.362257][ T1076] do_syscall_64+0xc6/0x1e0 [ 5590.362257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5590.362257][ T1076] [ 5600.605700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5600.606254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5600.606254][ T1076] netdev_get_by_index+0x5e/0x80 [ 5600.606254][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5600.606254][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5600.606254][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5600.606254][ T1076] ipv6_add_addr+0x411/0x2000 [ 5600.606254][ T1076] inet6_addr_add+0x30e/0xa40 [ 5600.606254][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5600.606254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5600.606254][ T1076] netlink_rcv_skb+0x130/0x360 [ 5600.606254][ T1076] netlink_unicast+0x449/0x710 [ 5600.606254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5600.606254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5600.606254][ T1076] ___sys_sendmsg+0xee/0x170 [ 5600.606254][ T1076] __sys_sendmsg+0xcd/0x170 [ 5600.606254][ T1076] do_syscall_64+0xc6/0x1e0 [ 5600.606254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5600.606254][ T1076] [ 5600.608546][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5600.608546][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5600.608546][ T1076] ipv6_find_idev+0x102/0x170 [ 5600.608546][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5600.608546][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5600.608546][ T1076] netlink_rcv_skb+0x130/0x360 [ 5600.608546][ T1076] netlink_unicast+0x449/0x710 [ 5600.608546][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5600.608546][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5600.608546][ T1076] ___sys_sendmsg+0xee/0x170 [ 5600.608546][ T1076] __sys_sendmsg+0xcd/0x170 [ 5600.608546][ T1076] do_syscall_64+0xc6/0x1e0 [ 5600.608546][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5600.608546][ T1076] [ 5600.610288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5600.610288][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5600.610288][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5600.610288][ T1076] ipv6_find_idev+0x102/0x170 [ 5600.610288][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5600.610288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5600.610288][ T1076] netlink_rcv_skb+0x130/0x360 [ 5600.610288][ T1076] netlink_unicast+0x449/0x710 [ 5600.610288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5600.610288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5600.610288][ T1076] ___sys_sendmsg+0xee/0x170 [ 5600.610288][ T1076] __sys_sendmsg+0xcd/0x170 [ 5600.610288][ T1076] do_syscall_64+0xc6/0x1e0 [ 5600.610288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5600.610288][ T1076] [ 5610.717638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5610.718171][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5610.718171][ T1076] netdev_get_by_index+0x5e/0x80 [ 5610.718171][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5610.718171][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5610.718171][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5610.718171][ T1076] ipv6_add_addr+0x411/0x2000 [ 5610.718171][ T1076] inet6_addr_add+0x30e/0xa40 [ 5610.718171][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5610.718171][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5610.718171][ T1076] netlink_rcv_skb+0x130/0x360 [ 5610.718171][ T1076] netlink_unicast+0x449/0x710 [ 5610.718171][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5610.718171][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5610.718171][ T1076] ___sys_sendmsg+0xee/0x170 [ 5610.718171][ T1076] __sys_sendmsg+0xcd/0x170 [ 5610.718171][ T1076] do_syscall_64+0xc6/0x1e0 [ 5610.718171][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5610.718171][ T1076] [ 5610.720450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5610.720450][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5610.720450][ T1076] ipv6_find_idev+0x102/0x170 [ 5610.720450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5610.720450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5610.720450][ T1076] netlink_rcv_skb+0x130/0x360 [ 5610.720450][ T1076] netlink_unicast+0x449/0x710 [ 5610.720450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5610.720450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5610.720450][ T1076] ___sys_sendmsg+0xee/0x170 [ 5610.720450][ T1076] __sys_sendmsg+0xcd/0x170 [ 5610.720450][ T1076] do_syscall_64+0xc6/0x1e0 [ 5610.720450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5610.720450][ T1076] [ 5610.722189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5610.722189][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5610.722189][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5610.722189][ T1076] ipv6_find_idev+0x102/0x170 [ 5610.722189][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5610.722189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5610.722189][ T1076] netlink_rcv_skb+0x130/0x360 [ 5610.722189][ T1076] netlink_unicast+0x449/0x710 [ 5610.722189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5610.722189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5610.722189][ T1076] ___sys_sendmsg+0xee/0x170 [ 5610.722189][ T1076] __sys_sendmsg+0xcd/0x170 [ 5610.722189][ T1076] do_syscall_64+0xc6/0x1e0 [ 5610.722189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5610.722189][ T1076] [ 5620.965707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5620.966240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5620.966240][ T1076] netdev_get_by_index+0x5e/0x80 [ 5620.966240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5620.966240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5620.966240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5620.966240][ T1076] ipv6_add_addr+0x411/0x2000 [ 5620.966240][ T1076] inet6_addr_add+0x30e/0xa40 [ 5620.966240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5620.966240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5620.966240][ T1076] netlink_rcv_skb+0x130/0x360 [ 5620.966240][ T1076] netlink_unicast+0x449/0x710 [ 5620.966240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5620.966240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5620.966240][ T1076] ___sys_sendmsg+0xee/0x170 [ 5620.966240][ T1076] __sys_sendmsg+0xcd/0x170 [ 5620.966240][ T1076] do_syscall_64+0xc6/0x1e0 [ 5620.966240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5620.966240][ T1076] [ 5620.968531][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5620.968531][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5620.968531][ T1076] ipv6_find_idev+0x102/0x170 [ 5620.968531][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5620.968531][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5620.968531][ T1076] netlink_rcv_skb+0x130/0x360 [ 5620.968531][ T1076] netlink_unicast+0x449/0x710 [ 5620.968531][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5620.968531][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5620.968531][ T1076] ___sys_sendmsg+0xee/0x170 [ 5620.968531][ T1076] __sys_sendmsg+0xcd/0x170 [ 5620.968531][ T1076] do_syscall_64+0xc6/0x1e0 [ 5620.968531][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5620.968531][ T1076] [ 5620.970269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5620.970269][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5620.970269][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5620.970269][ T1076] ipv6_find_idev+0x102/0x170 [ 5620.970269][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5620.970269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5620.970269][ T1076] netlink_rcv_skb+0x130/0x360 [ 5620.970269][ T1076] netlink_unicast+0x449/0x710 [ 5620.970269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5620.970269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5620.970269][ T1076] ___sys_sendmsg+0xee/0x170 [ 5620.970269][ T1076] __sys_sendmsg+0xcd/0x170 [ 5620.970269][ T1076] do_syscall_64+0xc6/0x1e0 [ 5620.970269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5620.970269][ T1076] [ 5631.213701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5631.214224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5631.214224][ T1076] netdev_get_by_index+0x5e/0x80 [ 5631.214224][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5631.214224][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5631.214224][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5631.214224][ T1076] ipv6_add_addr+0x411/0x2000 [ 5631.214224][ T1076] inet6_addr_add+0x30e/0xa40 [ 5631.214224][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5631.214224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5631.214224][ T1076] netlink_rcv_skb+0x130/0x360 [ 5631.214224][ T1076] netlink_unicast+0x449/0x710 [ 5631.214224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5631.214224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5631.214224][ T1076] ___sys_sendmsg+0xee/0x170 [ 5631.214224][ T1076] __sys_sendmsg+0xcd/0x170 [ 5631.214224][ T1076] do_syscall_64+0xc6/0x1e0 [ 5631.214224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5631.214224][ T1076] [ 5631.216528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5631.216528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5631.216528][ T1076] ipv6_find_idev+0x102/0x170 [ 5631.216528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5631.216528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5631.216528][ T1076] netlink_rcv_skb+0x130/0x360 [ 5631.216528][ T1076] netlink_unicast+0x449/0x710 [ 5631.216528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5631.216528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5631.216528][ T1076] ___sys_sendmsg+0xee/0x170 [ 5631.216528][ T1076] __sys_sendmsg+0xcd/0x170 [ 5631.216528][ T1076] do_syscall_64+0xc6/0x1e0 [ 5631.216528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5631.216528][ T1076] [ 5631.218280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5631.218280][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5631.218280][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5631.218280][ T1076] ipv6_find_idev+0x102/0x170 [ 5631.218280][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5631.218280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5631.218280][ T1076] netlink_rcv_skb+0x130/0x360 [ 5631.218280][ T1076] netlink_unicast+0x449/0x710 [ 5631.218280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5631.218280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5631.218280][ T1076] ___sys_sendmsg+0xee/0x170 [ 5631.218280][ T1076] __sys_sendmsg+0xcd/0x170 [ 5631.218280][ T1076] do_syscall_64+0xc6/0x1e0 [ 5631.218280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5631.218280][ T1076] [ 5641.461636][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5641.462158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5641.462158][ T1076] netdev_get_by_index+0x5e/0x80 [ 5641.462158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5641.462158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5641.462158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5641.462158][ T1076] ipv6_add_addr+0x411/0x2000 [ 5641.462158][ T1076] inet6_addr_add+0x30e/0xa40 [ 5641.462158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5641.462158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5641.462158][ T1076] netlink_rcv_skb+0x130/0x360 [ 5641.462158][ T1076] netlink_unicast+0x449/0x710 [ 5641.462158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5641.462158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5641.462158][ T1076] ___sys_sendmsg+0xee/0x170 [ 5641.462158][ T1076] __sys_sendmsg+0xcd/0x170 [ 5641.462158][ T1076] do_syscall_64+0xc6/0x1e0 [ 5641.462158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5641.462158][ T1076] [ 5641.464436][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5641.464436][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5641.464436][ T1076] ipv6_find_idev+0x102/0x170 [ 5641.464436][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5641.464436][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5641.464436][ T1076] netlink_rcv_skb+0x130/0x360 [ 5641.464436][ T1076] netlink_unicast+0x449/0x710 [ 5641.464436][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5641.464436][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5641.464436][ T1076] ___sys_sendmsg+0xee/0x170 [ 5641.464436][ T1076] __sys_sendmsg+0xcd/0x170 [ 5641.464436][ T1076] do_syscall_64+0xc6/0x1e0 [ 5641.464436][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5641.464436][ T1076] [ 5641.466178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5641.466178][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5641.466178][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5641.466178][ T1076] ipv6_find_idev+0x102/0x170 [ 5641.466178][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5641.466178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5641.466178][ T1076] netlink_rcv_skb+0x130/0x360 [ 5641.466178][ T1076] netlink_unicast+0x449/0x710 [ 5641.466178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5641.466178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5641.466178][ T1076] ___sys_sendmsg+0xee/0x170 [ 5641.466178][ T1076] __sys_sendmsg+0xcd/0x170 [ 5641.466178][ T1076] do_syscall_64+0xc6/0x1e0 [ 5641.466178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5641.466178][ T1076] [ 5651.709628][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5651.710137][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5651.710137][ T1076] netdev_get_by_index+0x5e/0x80 [ 5651.710137][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5651.710137][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5651.710137][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5651.710137][ T1076] ipv6_add_addr+0x411/0x2000 [ 5651.710137][ T1076] inet6_addr_add+0x30e/0xa40 [ 5651.710137][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5651.710137][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5651.710137][ T1076] netlink_rcv_skb+0x130/0x360 [ 5651.710137][ T1076] netlink_unicast+0x449/0x710 [ 5651.710137][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5651.710137][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5651.710137][ T1076] ___sys_sendmsg+0xee/0x170 [ 5651.710137][ T1076] __sys_sendmsg+0xcd/0x170 [ 5651.710137][ T1076] do_syscall_64+0xc6/0x1e0 [ 5651.710137][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5651.710137][ T1076] [ 5651.712412][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5651.712412][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5651.712412][ T1076] ipv6_find_idev+0x102/0x170 [ 5651.712412][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5651.712412][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5651.712412][ T1076] netlink_rcv_skb+0x130/0x360 [ 5651.712412][ T1076] netlink_unicast+0x449/0x710 [ 5651.712412][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5651.712412][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5651.712412][ T1076] ___sys_sendmsg+0xee/0x170 [ 5651.712412][ T1076] __sys_sendmsg+0xcd/0x170 [ 5651.712412][ T1076] do_syscall_64+0xc6/0x1e0 [ 5651.712412][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5651.712412][ T1076] [ 5651.714139][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5651.714139][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5651.714139][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5651.714139][ T1076] ipv6_find_idev+0x102/0x170 [ 5651.714139][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5651.714139][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5651.714139][ T1076] netlink_rcv_skb+0x130/0x360 [ 5651.714139][ T1076] netlink_unicast+0x449/0x710 [ 5651.714139][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5651.714139][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5651.714139][ T1076] ___sys_sendmsg+0xee/0x170 [ 5651.714139][ T1076] __sys_sendmsg+0xcd/0x170 [ 5651.714139][ T1076] do_syscall_64+0xc6/0x1e0 [ 5651.714139][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5651.714139][ T1076] [ 5661.957704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5661.958219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5661.958219][ T1076] netdev_get_by_index+0x5e/0x80 [ 5661.958219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5661.958219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5661.958219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5661.958219][ T1076] ipv6_add_addr+0x411/0x2000 [ 5661.958219][ T1076] inet6_addr_add+0x30e/0xa40 [ 5661.958219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5661.958219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5661.958219][ T1076] netlink_rcv_skb+0x130/0x360 [ 5661.958219][ T1076] netlink_unicast+0x449/0x710 [ 5661.958219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5661.958219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5661.958219][ T1076] ___sys_sendmsg+0xee/0x170 [ 5661.958219][ T1076] __sys_sendmsg+0xcd/0x170 [ 5661.958219][ T1076] do_syscall_64+0xc6/0x1e0 [ 5661.958219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5661.958219][ T1076] [ 5661.960469][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5661.960469][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5661.960469][ T1076] ipv6_find_idev+0x102/0x170 [ 5661.960469][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5661.960469][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5661.960469][ T1076] netlink_rcv_skb+0x130/0x360 [ 5661.960469][ T1076] netlink_unicast+0x449/0x710 [ 5661.960469][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5661.960469][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5661.960469][ T1076] ___sys_sendmsg+0xee/0x170 [ 5661.960469][ T1076] __sys_sendmsg+0xcd/0x170 [ 5661.960469][ T1076] do_syscall_64+0xc6/0x1e0 [ 5661.960469][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5661.960469][ T1076] [ 5661.962191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5661.962191][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5661.962191][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5661.962191][ T1076] ipv6_find_idev+0x102/0x170 [ 5661.962191][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5661.962191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5661.962191][ T1076] netlink_rcv_skb+0x130/0x360 [ 5661.962191][ T1076] netlink_unicast+0x449/0x710 [ 5661.962191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5661.962191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5661.962191][ T1076] ___sys_sendmsg+0xee/0x170 [ 5661.962191][ T1076] __sys_sendmsg+0xcd/0x170 [ 5661.962191][ T1076] do_syscall_64+0xc6/0x1e0 [ 5661.962191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5661.962191][ T1076] [ 5672.205643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5672.206151][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5672.206151][ T1076] netdev_get_by_index+0x5e/0x80 [ 5672.206151][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5672.206151][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5672.206151][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5672.206151][ T1076] ipv6_add_addr+0x411/0x2000 [ 5672.206151][ T1076] inet6_addr_add+0x30e/0xa40 [ 5672.206151][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5672.206151][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5672.206151][ T1076] netlink_rcv_skb+0x130/0x360 [ 5672.206151][ T1076] netlink_unicast+0x449/0x710 [ 5672.206151][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5672.206151][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5672.206151][ T1076] ___sys_sendmsg+0xee/0x170 [ 5672.206151][ T1076] __sys_sendmsg+0xcd/0x170 [ 5672.206151][ T1076] do_syscall_64+0xc6/0x1e0 [ 5672.206151][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5672.206151][ T1076] [ 5672.208427][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5672.208427][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5672.208427][ T1076] ipv6_find_idev+0x102/0x170 [ 5672.208427][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5672.208427][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5672.208427][ T1076] netlink_rcv_skb+0x130/0x360 [ 5672.208427][ T1076] netlink_unicast+0x449/0x710 [ 5672.208427][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5672.208427][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5672.208427][ T1076] ___sys_sendmsg+0xee/0x170 [ 5672.208427][ T1076] __sys_sendmsg+0xcd/0x170 [ 5672.208427][ T1076] do_syscall_64+0xc6/0x1e0 [ 5672.208427][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5672.208427][ T1076] [ 5672.210187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5672.210187][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5672.210187][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5672.210187][ T1076] ipv6_find_idev+0x102/0x170 [ 5672.210187][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5672.210187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5672.210187][ T1076] netlink_rcv_skb+0x130/0x360 [ 5672.210187][ T1076] netlink_unicast+0x449/0x710 [ 5672.210187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5672.210187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5672.210187][ T1076] ___sys_sendmsg+0xee/0x170 [ 5672.210187][ T1076] __sys_sendmsg+0xcd/0x170 [ 5672.210187][ T1076] do_syscall_64+0xc6/0x1e0 [ 5672.210187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5672.210187][ T1076] [ 5682.453702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5682.454212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5682.454212][ T1076] netdev_get_by_index+0x5e/0x80 [ 5682.454212][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5682.454212][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5682.454212][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5682.454212][ T1076] ipv6_add_addr+0x411/0x2000 [ 5682.454212][ T1076] inet6_addr_add+0x30e/0xa40 [ 5682.454212][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5682.454212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5682.454212][ T1076] netlink_rcv_skb+0x130/0x360 [ 5682.454212][ T1076] netlink_unicast+0x449/0x710 [ 5682.454212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5682.454212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5682.454212][ T1076] ___sys_sendmsg+0xee/0x170 [ 5682.454212][ T1076] __sys_sendmsg+0xcd/0x170 [ 5682.454212][ T1076] do_syscall_64+0xc6/0x1e0 [ 5682.454212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5682.454212][ T1076] [ 5682.456475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5682.456475][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5682.456475][ T1076] ipv6_find_idev+0x102/0x170 [ 5682.456475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5682.456475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5682.456475][ T1076] netlink_rcv_skb+0x130/0x360 [ 5682.456475][ T1076] netlink_unicast+0x449/0x710 [ 5682.456475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5682.456475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5682.456475][ T1076] ___sys_sendmsg+0xee/0x170 [ 5682.456475][ T1076] __sys_sendmsg+0xcd/0x170 [ 5682.456475][ T1076] do_syscall_64+0xc6/0x1e0 [ 5682.456475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5682.456475][ T1076] [ 5682.458201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5682.458201][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5682.458201][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5682.458201][ T1076] ipv6_find_idev+0x102/0x170 [ 5682.458201][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5682.458201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5682.458201][ T1076] netlink_rcv_skb+0x130/0x360 [ 5682.458201][ T1076] netlink_unicast+0x449/0x710 [ 5682.458201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5682.458201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5682.458201][ T1076] ___sys_sendmsg+0xee/0x170 [ 5682.458201][ T1076] __sys_sendmsg+0xcd/0x170 [ 5682.458201][ T1076] do_syscall_64+0xc6/0x1e0 [ 5682.458201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5682.458201][ T1076] [ 5692.701776][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5692.702289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5692.702289][ T1076] netdev_get_by_index+0x5e/0x80 [ 5692.702289][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5692.702289][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5692.702289][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5692.702289][ T1076] ipv6_add_addr+0x411/0x2000 [ 5692.702289][ T1076] inet6_addr_add+0x30e/0xa40 [ 5692.702289][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5692.702289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5692.702289][ T1076] netlink_rcv_skb+0x130/0x360 [ 5692.702289][ T1076] netlink_unicast+0x449/0x710 [ 5692.702289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5692.702289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5692.702289][ T1076] ___sys_sendmsg+0xee/0x170 [ 5692.702289][ T1076] __sys_sendmsg+0xcd/0x170 [ 5692.702289][ T1076] do_syscall_64+0xc6/0x1e0 [ 5692.702289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5692.702289][ T1076] [ 5692.704541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5692.704541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5692.704541][ T1076] ipv6_find_idev+0x102/0x170 [ 5692.704541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5692.704541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5692.704541][ T1076] netlink_rcv_skb+0x130/0x360 [ 5692.704541][ T1076] netlink_unicast+0x449/0x710 [ 5692.704541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5692.704541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5692.704541][ T1076] ___sys_sendmsg+0xee/0x170 [ 5692.704541][ T1076] __sys_sendmsg+0xcd/0x170 [ 5692.704541][ T1076] do_syscall_64+0xc6/0x1e0 [ 5692.704541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5692.704541][ T1076] [ 5692.706264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5692.706264][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5692.706264][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5692.706264][ T1076] ipv6_find_idev+0x102/0x170 [ 5692.706264][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5692.706264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5692.706264][ T1076] netlink_rcv_skb+0x130/0x360 [ 5692.706264][ T1076] netlink_unicast+0x449/0x710 [ 5692.706264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5692.706264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5692.706264][ T1076] ___sys_sendmsg+0xee/0x170 [ 5692.706264][ T1076] __sys_sendmsg+0xcd/0x170 [ 5692.706264][ T1076] do_syscall_64+0xc6/0x1e0 [ 5692.706264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5692.706264][ T1076] [ 5702.949707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5702.950225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5702.950225][ T1076] netdev_get_by_index+0x5e/0x80 [ 5702.950225][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5702.950225][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5702.950225][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5702.950225][ T1076] ipv6_add_addr+0x411/0x2000 [ 5702.950225][ T1076] inet6_addr_add+0x30e/0xa40 [ 5702.950225][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5702.950225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5702.950225][ T1076] netlink_rcv_skb+0x130/0x360 [ 5702.950225][ T1076] netlink_unicast+0x449/0x710 [ 5702.950225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5702.950225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5702.950225][ T1076] ___sys_sendmsg+0xee/0x170 [ 5702.950225][ T1076] __sys_sendmsg+0xcd/0x170 [ 5702.950225][ T1076] do_syscall_64+0xc6/0x1e0 [ 5702.950225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5702.950225][ T1076] [ 5702.952514][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5702.952514][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5702.952514][ T1076] ipv6_find_idev+0x102/0x170 [ 5702.952514][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5702.952514][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5702.952514][ T1076] netlink_rcv_skb+0x130/0x360 [ 5702.952514][ T1076] netlink_unicast+0x449/0x710 [ 5702.952514][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5702.952514][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5702.952514][ T1076] ___sys_sendmsg+0xee/0x170 [ 5702.952514][ T1076] __sys_sendmsg+0xcd/0x170 [ 5702.952514][ T1076] do_syscall_64+0xc6/0x1e0 [ 5702.952514][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5702.952514][ T1076] [ 5702.954379][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5702.954379][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5702.954379][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5702.954379][ T1076] ipv6_find_idev+0x102/0x170 [ 5702.954379][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5702.954379][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5702.954379][ T1076] netlink_rcv_skb+0x130/0x360 [ 5702.954379][ T1076] netlink_unicast+0x449/0x710 [ 5702.954379][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5702.954379][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5702.954379][ T1076] ___sys_sendmsg+0xee/0x170 [ 5702.954379][ T1076] __sys_sendmsg+0xcd/0x170 [ 5702.954379][ T1076] do_syscall_64+0xc6/0x1e0 [ 5702.954379][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5702.954379][ T1076] [ 5713.197642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5713.198153][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5713.198153][ T1076] netdev_get_by_index+0x5e/0x80 [ 5713.198153][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5713.198153][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5713.198153][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5713.198153][ T1076] ipv6_add_addr+0x411/0x2000 [ 5713.198153][ T1076] inet6_addr_add+0x30e/0xa40 [ 5713.198153][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5713.198153][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5713.198153][ T1076] netlink_rcv_skb+0x130/0x360 [ 5713.198153][ T1076] netlink_unicast+0x449/0x710 [ 5713.198153][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5713.198153][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5713.198153][ T1076] ___sys_sendmsg+0xee/0x170 [ 5713.198153][ T1076] __sys_sendmsg+0xcd/0x170 [ 5713.198153][ T1076] do_syscall_64+0xc6/0x1e0 [ 5713.198153][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5713.198153][ T1076] [ 5713.200453][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5713.200453][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5713.200453][ T1076] ipv6_find_idev+0x102/0x170 [ 5713.200453][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5713.200453][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5713.200453][ T1076] netlink_rcv_skb+0x130/0x360 [ 5713.200453][ T1076] netlink_unicast+0x449/0x710 [ 5713.200453][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5713.200453][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5713.200453][ T1076] ___sys_sendmsg+0xee/0x170 [ 5713.200453][ T1076] __sys_sendmsg+0xcd/0x170 [ 5713.200453][ T1076] do_syscall_64+0xc6/0x1e0 [ 5713.200453][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5713.200453][ T1076] [ 5713.202215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5713.202215][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5713.202215][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5713.202215][ T1076] ipv6_find_idev+0x102/0x170 [ 5713.202215][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5713.202215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5713.202215][ T1076] netlink_rcv_skb+0x130/0x360 [ 5713.202215][ T1076] netlink_unicast+0x449/0x710 [ 5713.202215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5713.202215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5713.202215][ T1076] ___sys_sendmsg+0xee/0x170 [ 5713.202215][ T1076] __sys_sendmsg+0xcd/0x170 [ 5713.202215][ T1076] do_syscall_64+0xc6/0x1e0 [ 5713.202215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5713.202215][ T1076] [ 5723.205704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5723.206244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5723.206244][ T1076] netdev_get_by_index+0x5e/0x80 [ 5723.206244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5723.206244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5723.206244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5723.206244][ T1076] ipv6_add_addr+0x411/0x2000 [ 5723.206244][ T1076] inet6_addr_add+0x30e/0xa40 [ 5723.206244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5723.206244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5723.206244][ T1076] netlink_rcv_skb+0x130/0x360 [ 5723.206244][ T1076] netlink_unicast+0x449/0x710 [ 5723.206244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5723.206244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5723.206244][ T1076] ___sys_sendmsg+0xee/0x170 [ 5723.206244][ T1076] __sys_sendmsg+0xcd/0x170 [ 5723.206244][ T1076] do_syscall_64+0xc6/0x1e0 [ 5723.206244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5723.206244][ T1076] [ 5723.208542][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5723.208542][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5723.208542][ T1076] ipv6_find_idev+0x102/0x170 [ 5723.208542][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5723.208542][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5723.208542][ T1076] netlink_rcv_skb+0x130/0x360 [ 5723.208542][ T1076] netlink_unicast+0x449/0x710 [ 5723.208542][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5723.208542][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5723.208542][ T1076] ___sys_sendmsg+0xee/0x170 [ 5723.208542][ T1076] __sys_sendmsg+0xcd/0x170 [ 5723.208542][ T1076] do_syscall_64+0xc6/0x1e0 [ 5723.208542][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5723.208542][ T1076] [ 5723.210294][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5723.210294][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5723.210294][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5723.210294][ T1076] ipv6_find_idev+0x102/0x170 [ 5723.210294][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5723.210294][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5723.210294][ T1076] netlink_rcv_skb+0x130/0x360 [ 5723.210294][ T1076] netlink_unicast+0x449/0x710 [ 5723.210294][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5723.210294][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5723.210294][ T1076] ___sys_sendmsg+0xee/0x170 [ 5723.210294][ T1076] __sys_sendmsg+0xcd/0x170 [ 5723.210294][ T1076] do_syscall_64+0xc6/0x1e0 [ 5723.210294][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5723.210294][ T1076] [ 5733.269721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5733.270191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5733.270191][ T1076] netdev_get_by_index+0x5e/0x80 [ 5733.270191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5733.270191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5733.270191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5733.270191][ T1076] ipv6_add_addr+0x411/0x2000 [ 5733.270191][ T1076] inet6_addr_add+0x30e/0xa40 [ 5733.270191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5733.270191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5733.270191][ T1076] netlink_rcv_skb+0x130/0x360 [ 5733.270191][ T1076] netlink_unicast+0x449/0x710 [ 5733.270191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5733.270191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5733.270191][ T1076] ___sys_sendmsg+0xee/0x170 [ 5733.270191][ T1076] __sys_sendmsg+0xcd/0x170 [ 5733.270191][ T1076] do_syscall_64+0xc6/0x1e0 [ 5733.270191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5733.270191][ T1076] [ 5733.272487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5733.272487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5733.272487][ T1076] ipv6_find_idev+0x102/0x170 [ 5733.272487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5733.272487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5733.272487][ T1076] netlink_rcv_skb+0x130/0x360 [ 5733.272487][ T1076] netlink_unicast+0x449/0x710 [ 5733.272487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5733.272487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5733.272487][ T1076] ___sys_sendmsg+0xee/0x170 [ 5733.272487][ T1076] __sys_sendmsg+0xcd/0x170 [ 5733.272487][ T1076] do_syscall_64+0xc6/0x1e0 [ 5733.272487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5733.272487][ T1076] [ 5733.274241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5733.274241][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5733.274241][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5733.274241][ T1076] ipv6_find_idev+0x102/0x170 [ 5733.274241][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5733.274241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5733.274241][ T1076] netlink_rcv_skb+0x130/0x360 [ 5733.274241][ T1076] netlink_unicast+0x449/0x710 [ 5733.274241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5733.274241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5733.274241][ T1076] ___sys_sendmsg+0xee/0x170 [ 5733.274241][ T1076] __sys_sendmsg+0xcd/0x170 [ 5733.274241][ T1076] do_syscall_64+0xc6/0x1e0 [ 5733.274241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5733.274241][ T1076] [ 5743.525704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5743.526219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5743.526219][ T1076] netdev_get_by_index+0x5e/0x80 [ 5743.526219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5743.526219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5743.526219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5743.526219][ T1076] ipv6_add_addr+0x411/0x2000 [ 5743.526219][ T1076] inet6_addr_add+0x30e/0xa40 [ 5743.526219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5743.526219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5743.526219][ T1076] netlink_rcv_skb+0x130/0x360 [ 5743.526219][ T1076] netlink_unicast+0x449/0x710 [ 5743.526219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5743.526219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5743.526219][ T1076] ___sys_sendmsg+0xee/0x170 [ 5743.526219][ T1076] __sys_sendmsg+0xcd/0x170 [ 5743.526219][ T1076] do_syscall_64+0xc6/0x1e0 [ 5743.526219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5743.526219][ T1076] [ 5743.528481][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5743.528481][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5743.528481][ T1076] ipv6_find_idev+0x102/0x170 [ 5743.528481][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5743.528481][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5743.528481][ T1076] netlink_rcv_skb+0x130/0x360 [ 5743.528481][ T1076] netlink_unicast+0x449/0x710 [ 5743.528481][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5743.528481][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5743.528481][ T1076] ___sys_sendmsg+0xee/0x170 [ 5743.528481][ T1076] __sys_sendmsg+0xcd/0x170 [ 5743.528481][ T1076] do_syscall_64+0xc6/0x1e0 [ 5743.528481][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5743.528481][ T1076] [ 5743.530504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5743.530504][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5743.530504][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5743.530504][ T1076] ipv6_find_idev+0x102/0x170 [ 5743.530504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5743.530504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5743.530504][ T1076] netlink_rcv_skb+0x130/0x360 [ 5743.530504][ T1076] netlink_unicast+0x449/0x710 [ 5743.530504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5743.530504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5743.530504][ T1076] ___sys_sendmsg+0xee/0x170 [ 5743.530504][ T1076] __sys_sendmsg+0xcd/0x170 [ 5743.530504][ T1076] do_syscall_64+0xc6/0x1e0 [ 5743.530504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5743.530504][ T1076] [ 5753.781703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5753.782227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5753.782227][ T1076] netdev_get_by_index+0x5e/0x80 [ 5753.782227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5753.782227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5753.782227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5753.782227][ T1076] ipv6_add_addr+0x411/0x2000 [ 5753.782227][ T1076] inet6_addr_add+0x30e/0xa40 [ 5753.782227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5753.782227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5753.782227][ T1076] netlink_rcv_skb+0x130/0x360 [ 5753.782227][ T1076] netlink_unicast+0x449/0x710 [ 5753.782227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5753.782227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5753.782227][ T1076] ___sys_sendmsg+0xee/0x170 [ 5753.782227][ T1076] __sys_sendmsg+0xcd/0x170 [ 5753.782227][ T1076] do_syscall_64+0xc6/0x1e0 [ 5753.782227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5753.782227][ T1076] [ 5753.784513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5753.784513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5753.784513][ T1076] ipv6_find_idev+0x102/0x170 [ 5753.784513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5753.784513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5753.784513][ T1076] netlink_rcv_skb+0x130/0x360 [ 5753.784513][ T1076] netlink_unicast+0x449/0x710 [ 5753.784513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5753.784513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5753.784513][ T1076] ___sys_sendmsg+0xee/0x170 [ 5753.784513][ T1076] __sys_sendmsg+0xcd/0x170 [ 5753.784513][ T1076] do_syscall_64+0xc6/0x1e0 [ 5753.784513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5753.784513][ T1076] [ 5753.786272][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5753.786272][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5753.786272][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5753.786272][ T1076] ipv6_find_idev+0x102/0x170 [ 5753.786272][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5753.786272][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5753.786272][ T1076] netlink_rcv_skb+0x130/0x360 [ 5753.786272][ T1076] netlink_unicast+0x449/0x710 [ 5753.786272][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5753.786272][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5753.786272][ T1076] ___sys_sendmsg+0xee/0x170 [ 5753.786272][ T1076] __sys_sendmsg+0xcd/0x170 [ 5753.786272][ T1076] do_syscall_64+0xc6/0x1e0 [ 5753.786272][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5753.786272][ T1076] [ 5763.957699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5763.958236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5763.958236][ T1076] netdev_get_by_index+0x5e/0x80 [ 5763.958236][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5763.958236][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5763.958236][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5763.958236][ T1076] ipv6_add_addr+0x411/0x2000 [ 5763.958236][ T1076] inet6_addr_add+0x30e/0xa40 [ 5763.958236][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5763.958236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5763.958236][ T1076] netlink_rcv_skb+0x130/0x360 [ 5763.958236][ T1076] netlink_unicast+0x449/0x710 [ 5763.958236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5763.958236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5763.958236][ T1076] ___sys_sendmsg+0xee/0x170 [ 5763.958236][ T1076] __sys_sendmsg+0xcd/0x170 [ 5763.958236][ T1076] do_syscall_64+0xc6/0x1e0 [ 5763.958236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5763.958236][ T1076] [ 5763.960511][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5763.960511][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5763.960511][ T1076] ipv6_find_idev+0x102/0x170 [ 5763.960511][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5763.960511][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5763.960511][ T1076] netlink_rcv_skb+0x130/0x360 [ 5763.960511][ T1076] netlink_unicast+0x449/0x710 [ 5763.960511][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5763.960511][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5763.960511][ T1076] ___sys_sendmsg+0xee/0x170 [ 5763.960511][ T1076] __sys_sendmsg+0xcd/0x170 [ 5763.960511][ T1076] do_syscall_64+0xc6/0x1e0 [ 5763.960511][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5763.960511][ T1076] [ 5763.962254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5763.962254][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5763.962254][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5763.962254][ T1076] ipv6_find_idev+0x102/0x170 [ 5763.962254][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5763.962254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5763.962254][ T1076] netlink_rcv_skb+0x130/0x360 [ 5763.962254][ T1076] netlink_unicast+0x449/0x710 [ 5763.962254][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5763.962254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5763.962254][ T1076] ___sys_sendmsg+0xee/0x170 [ 5763.962254][ T1076] __sys_sendmsg+0xcd/0x170 [ 5763.962254][ T1076] do_syscall_64+0xc6/0x1e0 [ 5763.962254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5763.962254][ T1076] [ 5774.205735][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5774.206257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5774.206257][ T1076] netdev_get_by_index+0x5e/0x80 [ 5774.206257][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5774.206257][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5774.206257][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5774.206257][ T1076] ipv6_add_addr+0x411/0x2000 [ 5774.206257][ T1076] inet6_addr_add+0x30e/0xa40 [ 5774.206257][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5774.206257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5774.206257][ T1076] netlink_rcv_skb+0x130/0x360 [ 5774.206257][ T1076] netlink_unicast+0x449/0x710 [ 5774.206257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5774.206257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5774.206257][ T1076] ___sys_sendmsg+0xee/0x170 [ 5774.206257][ T1076] __sys_sendmsg+0xcd/0x170 [ 5774.206257][ T1076] do_syscall_64+0xc6/0x1e0 [ 5774.206257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5774.206257][ T1076] [ 5774.208522][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5774.208522][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5774.208522][ T1076] ipv6_find_idev+0x102/0x170 [ 5774.208522][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5774.208522][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5774.208522][ T1076] netlink_rcv_skb+0x130/0x360 [ 5774.208522][ T1076] netlink_unicast+0x449/0x710 [ 5774.208522][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5774.208522][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5774.208522][ T1076] ___sys_sendmsg+0xee/0x170 [ 5774.208522][ T1076] __sys_sendmsg+0xcd/0x170 [ 5774.208522][ T1076] do_syscall_64+0xc6/0x1e0 [ 5774.208522][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5774.208522][ T1076] [ 5774.210248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5774.210248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5774.210248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5774.210248][ T1076] ipv6_find_idev+0x102/0x170 [ 5774.210248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5774.210248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5774.210248][ T1076] netlink_rcv_skb+0x130/0x360 [ 5774.210248][ T1076] netlink_unicast+0x449/0x710 [ 5774.210248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5774.210248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5774.210248][ T1076] ___sys_sendmsg+0xee/0x170 [ 5774.210248][ T1076] __sys_sendmsg+0xcd/0x170 [ 5774.210248][ T1076] do_syscall_64+0xc6/0x1e0 [ 5774.210248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5774.210248][ T1076] [ 5784.453733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5784.454253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5784.454253][ T1076] netdev_get_by_index+0x5e/0x80 [ 5784.454253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5784.454253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5784.454253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5784.454253][ T1076] ipv6_add_addr+0x411/0x2000 [ 5784.454253][ T1076] inet6_addr_add+0x30e/0xa40 [ 5784.454253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5784.454253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5784.454253][ T1076] netlink_rcv_skb+0x130/0x360 [ 5784.454253][ T1076] netlink_unicast+0x449/0x710 [ 5784.454253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5784.454253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5784.454253][ T1076] ___sys_sendmsg+0xee/0x170 [ 5784.454253][ T1076] __sys_sendmsg+0xcd/0x170 [ 5784.454253][ T1076] do_syscall_64+0xc6/0x1e0 [ 5784.454253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5784.454253][ T1076] [ 5784.456552][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5784.456552][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5784.456552][ T1076] ipv6_find_idev+0x102/0x170 [ 5784.456552][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5784.456552][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5784.456552][ T1076] netlink_rcv_skb+0x130/0x360 [ 5784.456552][ T1076] netlink_unicast+0x449/0x710 [ 5784.456552][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5784.456552][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5784.456552][ T1076] ___sys_sendmsg+0xee/0x170 [ 5784.456552][ T1076] __sys_sendmsg+0xcd/0x170 [ 5784.456552][ T1076] do_syscall_64+0xc6/0x1e0 [ 5784.456552][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5784.456552][ T1076] [ 5784.458306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5784.458306][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5784.458306][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5784.458306][ T1076] ipv6_find_idev+0x102/0x170 [ 5784.458306][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5784.458306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5784.458306][ T1076] netlink_rcv_skb+0x130/0x360 [ 5784.458306][ T1076] netlink_unicast+0x449/0x710 [ 5784.458306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5784.458306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5784.458306][ T1076] ___sys_sendmsg+0xee/0x170 [ 5784.458306][ T1076] __sys_sendmsg+0xcd/0x170 [ 5784.458306][ T1076] do_syscall_64+0xc6/0x1e0 [ 5784.458306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5784.458306][ T1076] [ 5794.701644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5794.702156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5794.702156][ T1076] netdev_get_by_index+0x5e/0x80 [ 5794.702156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5794.702156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5794.702156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5794.702156][ T1076] ipv6_add_addr+0x411/0x2000 [ 5794.702156][ T1076] inet6_addr_add+0x30e/0xa40 [ 5794.702156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5794.702156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5794.702156][ T1076] netlink_rcv_skb+0x130/0x360 [ 5794.702156][ T1076] netlink_unicast+0x449/0x710 [ 5794.702156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5794.702156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5794.702156][ T1076] ___sys_sendmsg+0xee/0x170 [ 5794.702156][ T1076] __sys_sendmsg+0xcd/0x170 [ 5794.702156][ T1076] do_syscall_64+0xc6/0x1e0 [ 5794.702156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5794.702156][ T1076] [ 5794.704452][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5794.704452][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5794.704452][ T1076] ipv6_find_idev+0x102/0x170 [ 5794.704452][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5794.704452][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5794.704452][ T1076] netlink_rcv_skb+0x130/0x360 [ 5794.704452][ T1076] netlink_unicast+0x449/0x710 [ 5794.704452][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5794.704452][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5794.704452][ T1076] ___sys_sendmsg+0xee/0x170 [ 5794.704452][ T1076] __sys_sendmsg+0xcd/0x170 [ 5794.704452][ T1076] do_syscall_64+0xc6/0x1e0 [ 5794.704452][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5794.704452][ T1076] [ 5794.706213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5794.706213][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5794.706213][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5794.706213][ T1076] ipv6_find_idev+0x102/0x170 [ 5794.706213][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5794.706213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5794.706213][ T1076] netlink_rcv_skb+0x130/0x360 [ 5794.706213][ T1076] netlink_unicast+0x449/0x710 [ 5794.706213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5794.706213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5794.706213][ T1076] ___sys_sendmsg+0xee/0x170 [ 5794.706213][ T1076] __sys_sendmsg+0xcd/0x170 [ 5794.706213][ T1076] do_syscall_64+0xc6/0x1e0 [ 5794.706213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5794.706213][ T1076] [ 5804.949711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5804.950221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5804.950221][ T1076] netdev_get_by_index+0x5e/0x80 [ 5804.950221][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5804.950221][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5804.950221][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5804.950221][ T1076] ipv6_add_addr+0x411/0x2000 [ 5804.950221][ T1076] inet6_addr_add+0x30e/0xa40 [ 5804.950221][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5804.950221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5804.950221][ T1076] netlink_rcv_skb+0x130/0x360 [ 5804.950221][ T1076] netlink_unicast+0x449/0x710 [ 5804.950221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5804.950221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5804.950221][ T1076] ___sys_sendmsg+0xee/0x170 [ 5804.950221][ T1076] __sys_sendmsg+0xcd/0x170 [ 5804.950221][ T1076] do_syscall_64+0xc6/0x1e0 [ 5804.950221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5804.950221][ T1076] [ 5804.952503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5804.952503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5804.952503][ T1076] ipv6_find_idev+0x102/0x170 [ 5804.952503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5804.952503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5804.952503][ T1076] netlink_rcv_skb+0x130/0x360 [ 5804.952503][ T1076] netlink_unicast+0x449/0x710 [ 5804.952503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5804.952503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5804.952503][ T1076] ___sys_sendmsg+0xee/0x170 [ 5804.952503][ T1076] __sys_sendmsg+0xcd/0x170 [ 5804.952503][ T1076] do_syscall_64+0xc6/0x1e0 [ 5804.952503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5804.952503][ T1076] [ 5804.954250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5804.954250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5804.954250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5804.954250][ T1076] ipv6_find_idev+0x102/0x170 [ 5804.954250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5804.954250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5804.954250][ T1076] netlink_rcv_skb+0x130/0x360 [ 5804.954250][ T1076] netlink_unicast+0x449/0x710 [ 5804.954250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5804.954250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5804.954250][ T1076] ___sys_sendmsg+0xee/0x170 [ 5804.954250][ T1076] __sys_sendmsg+0xcd/0x170 [ 5804.954250][ T1076] do_syscall_64+0xc6/0x1e0 [ 5804.954250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5804.954250][ T1076] [ 5815.197704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5815.198217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5815.198217][ T1076] netdev_get_by_index+0x5e/0x80 [ 5815.198217][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5815.198217][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5815.198217][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5815.198217][ T1076] ipv6_add_addr+0x411/0x2000 [ 5815.198217][ T1076] inet6_addr_add+0x30e/0xa40 [ 5815.198217][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5815.198217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5815.198217][ T1076] netlink_rcv_skb+0x130/0x360 [ 5815.198217][ T1076] netlink_unicast+0x449/0x710 [ 5815.198217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5815.198217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5815.198217][ T1076] ___sys_sendmsg+0xee/0x170 [ 5815.198217][ T1076] __sys_sendmsg+0xcd/0x170 [ 5815.198217][ T1076] do_syscall_64+0xc6/0x1e0 [ 5815.198217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5815.198217][ T1076] [ 5815.200526][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5815.200526][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5815.200526][ T1076] ipv6_find_idev+0x102/0x170 [ 5815.200526][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5815.200526][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5815.200526][ T1076] netlink_rcv_skb+0x130/0x360 [ 5815.200526][ T1076] netlink_unicast+0x449/0x710 [ 5815.200526][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5815.200526][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5815.200526][ T1076] ___sys_sendmsg+0xee/0x170 [ 5815.200526][ T1076] __sys_sendmsg+0xcd/0x170 [ 5815.200526][ T1076] do_syscall_64+0xc6/0x1e0 [ 5815.200526][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5815.200526][ T1076] [ 5815.202274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5815.202274][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5815.202274][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5815.202274][ T1076] ipv6_find_idev+0x102/0x170 [ 5815.202274][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5815.202274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5815.202274][ T1076] netlink_rcv_skb+0x130/0x360 [ 5815.202274][ T1076] netlink_unicast+0x449/0x710 [ 5815.202274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5815.202274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5815.202274][ T1076] ___sys_sendmsg+0xee/0x170 [ 5815.202274][ T1076] __sys_sendmsg+0xcd/0x170 [ 5815.202274][ T1076] do_syscall_64+0xc6/0x1e0 [ 5815.202274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5815.202274][ T1076] [ 5825.445704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5825.446224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5825.446224][ T1076] netdev_get_by_index+0x5e/0x80 [ 5825.446224][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5825.446224][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5825.446224][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5825.446224][ T1076] ipv6_add_addr+0x411/0x2000 [ 5825.446224][ T1076] inet6_addr_add+0x30e/0xa40 [ 5825.446224][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5825.446224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5825.446224][ T1076] netlink_rcv_skb+0x130/0x360 [ 5825.446224][ T1076] netlink_unicast+0x449/0x710 [ 5825.446224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5825.446224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5825.446224][ T1076] ___sys_sendmsg+0xee/0x170 [ 5825.446224][ T1076] __sys_sendmsg+0xcd/0x170 [ 5825.446224][ T1076] do_syscall_64+0xc6/0x1e0 [ 5825.446224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5825.446224][ T1076] [ 5825.448474][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5825.448474][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5825.448474][ T1076] ipv6_find_idev+0x102/0x170 [ 5825.448474][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5825.448474][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5825.448474][ T1076] netlink_rcv_skb+0x130/0x360 [ 5825.448474][ T1076] netlink_unicast+0x449/0x710 [ 5825.448474][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5825.448474][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5825.448474][ T1076] ___sys_sendmsg+0xee/0x170 [ 5825.448474][ T1076] __sys_sendmsg+0xcd/0x170 [ 5825.448474][ T1076] do_syscall_64+0xc6/0x1e0 [ 5825.448474][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5825.448474][ T1076] [ 5825.450198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5825.450198][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5825.450198][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5825.450198][ T1076] ipv6_find_idev+0x102/0x170 [ 5825.450198][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5825.450198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5825.450198][ T1076] netlink_rcv_skb+0x130/0x360 [ 5825.450198][ T1076] netlink_unicast+0x449/0x710 [ 5825.450198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5825.450198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5825.450198][ T1076] ___sys_sendmsg+0xee/0x170 [ 5825.450198][ T1076] __sys_sendmsg+0xcd/0x170 [ 5825.450198][ T1076] do_syscall_64+0xc6/0x1e0 [ 5825.450198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5825.450198][ T1076] [ 5835.693731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5835.694229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5835.694229][ T1076] netdev_get_by_index+0x5e/0x80 [ 5835.694229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5835.694229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5835.694229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5835.694229][ T1076] ipv6_add_addr+0x411/0x2000 [ 5835.694229][ T1076] inet6_addr_add+0x30e/0xa40 [ 5835.694229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5835.694229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5835.694229][ T1076] netlink_rcv_skb+0x130/0x360 [ 5835.694229][ T1076] netlink_unicast+0x449/0x710 [ 5835.694229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5835.694229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5835.694229][ T1076] ___sys_sendmsg+0xee/0x170 [ 5835.694229][ T1076] __sys_sendmsg+0xcd/0x170 [ 5835.694229][ T1076] do_syscall_64+0xc6/0x1e0 [ 5835.694229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5835.694229][ T1076] [ 5835.696500][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5835.696500][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5835.696500][ T1076] ipv6_find_idev+0x102/0x170 [ 5835.696500][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5835.696500][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5835.696500][ T1076] netlink_rcv_skb+0x130/0x360 [ 5835.696500][ T1076] netlink_unicast+0x449/0x710 [ 5835.696500][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5835.696500][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5835.696500][ T1076] ___sys_sendmsg+0xee/0x170 [ 5835.696500][ T1076] __sys_sendmsg+0xcd/0x170 [ 5835.696500][ T1076] do_syscall_64+0xc6/0x1e0 [ 5835.696500][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5835.696500][ T1076] [ 5835.698225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5835.698225][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5835.698225][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5835.698225][ T1076] ipv6_find_idev+0x102/0x170 [ 5835.698225][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5835.698225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5835.698225][ T1076] netlink_rcv_skb+0x130/0x360 [ 5835.698225][ T1076] netlink_unicast+0x449/0x710 [ 5835.698225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5835.698225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5835.698225][ T1076] ___sys_sendmsg+0xee/0x170 [ 5835.698225][ T1076] __sys_sendmsg+0xcd/0x170 [ 5835.698225][ T1076] do_syscall_64+0xc6/0x1e0 [ 5835.698225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5835.698225][ T1076] [ 5845.941709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5845.942227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5845.942227][ T1076] netdev_get_by_index+0x5e/0x80 [ 5845.942227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5845.942227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5845.942227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5845.942227][ T1076] ipv6_add_addr+0x411/0x2000 [ 5845.942227][ T1076] inet6_addr_add+0x30e/0xa40 [ 5845.942227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5845.942227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5845.942227][ T1076] netlink_rcv_skb+0x130/0x360 [ 5845.942227][ T1076] netlink_unicast+0x449/0x710 [ 5845.942227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5845.942227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5845.942227][ T1076] ___sys_sendmsg+0xee/0x170 [ 5845.942227][ T1076] __sys_sendmsg+0xcd/0x170 [ 5845.942227][ T1076] do_syscall_64+0xc6/0x1e0 [ 5845.942227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5845.942227][ T1076] [ 5845.944487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5845.944487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5845.944487][ T1076] ipv6_find_idev+0x102/0x170 [ 5845.944487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5845.944487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5845.944487][ T1076] netlink_rcv_skb+0x130/0x360 [ 5845.944487][ T1076] netlink_unicast+0x449/0x710 [ 5845.944487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5845.944487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5845.944487][ T1076] ___sys_sendmsg+0xee/0x170 [ 5845.944487][ T1076] __sys_sendmsg+0xcd/0x170 [ 5845.944487][ T1076] do_syscall_64+0xc6/0x1e0 [ 5845.944487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5845.944487][ T1076] [ 5845.946322][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5845.946322][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5845.946322][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5845.946322][ T1076] ipv6_find_idev+0x102/0x170 [ 5845.946322][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5845.946322][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5845.946322][ T1076] netlink_rcv_skb+0x130/0x360 [ 5845.946322][ T1076] netlink_unicast+0x449/0x710 [ 5845.946322][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5845.946322][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5845.946322][ T1076] ___sys_sendmsg+0xee/0x170 [ 5845.946322][ T1076] __sys_sendmsg+0xcd/0x170 [ 5845.946322][ T1076] do_syscall_64+0xc6/0x1e0 [ 5845.946322][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5845.946322][ T1076] [ 5856.189713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5856.190233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5856.190233][ T1076] netdev_get_by_index+0x5e/0x80 [ 5856.190233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5856.190233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5856.190233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5856.190233][ T1076] ipv6_add_addr+0x411/0x2000 [ 5856.190233][ T1076] inet6_addr_add+0x30e/0xa40 [ 5856.190233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5856.190233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5856.190233][ T1076] netlink_rcv_skb+0x130/0x360 [ 5856.190233][ T1076] netlink_unicast+0x449/0x710 [ 5856.190233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5856.190233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5856.190233][ T1076] ___sys_sendmsg+0xee/0x170 [ 5856.190233][ T1076] __sys_sendmsg+0xcd/0x170 [ 5856.190233][ T1076] do_syscall_64+0xc6/0x1e0 [ 5856.190233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5856.190233][ T1076] [ 5856.192494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5856.192494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5856.192494][ T1076] ipv6_find_idev+0x102/0x170 [ 5856.192494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5856.192494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5856.192494][ T1076] netlink_rcv_skb+0x130/0x360 [ 5856.192494][ T1076] netlink_unicast+0x449/0x710 [ 5856.192494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5856.192494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5856.192494][ T1076] ___sys_sendmsg+0xee/0x170 [ 5856.192494][ T1076] __sys_sendmsg+0xcd/0x170 [ 5856.192494][ T1076] do_syscall_64+0xc6/0x1e0 [ 5856.192494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5856.192494][ T1076] [ 5856.194220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5856.194220][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5856.194220][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5856.194220][ T1076] ipv6_find_idev+0x102/0x170 [ 5856.194220][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5856.194220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5856.194220][ T1076] netlink_rcv_skb+0x130/0x360 [ 5856.194220][ T1076] netlink_unicast+0x449/0x710 [ 5856.194220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5856.194220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5856.194220][ T1076] ___sys_sendmsg+0xee/0x170 [ 5856.194220][ T1076] __sys_sendmsg+0xcd/0x170 [ 5856.194220][ T1076] do_syscall_64+0xc6/0x1e0 [ 5856.194220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5856.194220][ T1076] [ 5866.437707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5866.438230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5866.438230][ T1076] netdev_get_by_index+0x5e/0x80 [ 5866.438230][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5866.438230][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5866.438230][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5866.438230][ T1076] ipv6_add_addr+0x411/0x2000 [ 5866.438230][ T1076] inet6_addr_add+0x30e/0xa40 [ 5866.438230][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5866.438230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5866.438230][ T1076] netlink_rcv_skb+0x130/0x360 [ 5866.438230][ T1076] netlink_unicast+0x449/0x710 [ 5866.438230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5866.438230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5866.438230][ T1076] ___sys_sendmsg+0xee/0x170 [ 5866.438230][ T1076] __sys_sendmsg+0xcd/0x170 [ 5866.438230][ T1076] do_syscall_64+0xc6/0x1e0 [ 5866.438230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5866.438230][ T1076] [ 5866.440536][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5866.440536][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5866.440536][ T1076] ipv6_find_idev+0x102/0x170 [ 5866.440536][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5866.440536][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5866.440536][ T1076] netlink_rcv_skb+0x130/0x360 [ 5866.440536][ T1076] netlink_unicast+0x449/0x710 [ 5866.440536][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5866.440536][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5866.440536][ T1076] ___sys_sendmsg+0xee/0x170 [ 5866.440536][ T1076] __sys_sendmsg+0xcd/0x170 [ 5866.440536][ T1076] do_syscall_64+0xc6/0x1e0 [ 5866.440536][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5866.440536][ T1076] [ 5866.442292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5866.442292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5866.442292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5866.442292][ T1076] ipv6_find_idev+0x102/0x170 [ 5866.442292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5866.442292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5866.442292][ T1076] netlink_rcv_skb+0x130/0x360 [ 5866.442292][ T1076] netlink_unicast+0x449/0x710 [ 5866.442292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5866.442292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5866.442292][ T1076] ___sys_sendmsg+0xee/0x170 [ 5866.442292][ T1076] __sys_sendmsg+0xcd/0x170 [ 5866.442292][ T1076] do_syscall_64+0xc6/0x1e0 [ 5866.442292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5866.442292][ T1076] [ 5876.685720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5876.686241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5876.686241][ T1076] netdev_get_by_index+0x5e/0x80 [ 5876.686241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5876.686241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5876.686241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5876.686241][ T1076] ipv6_add_addr+0x411/0x2000 [ 5876.686241][ T1076] inet6_addr_add+0x30e/0xa40 [ 5876.686241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5876.686241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5876.686241][ T1076] netlink_rcv_skb+0x130/0x360 [ 5876.686241][ T1076] netlink_unicast+0x449/0x710 [ 5876.686241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5876.686241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5876.686241][ T1076] ___sys_sendmsg+0xee/0x170 [ 5876.686241][ T1076] __sys_sendmsg+0xcd/0x170 [ 5876.686241][ T1076] do_syscall_64+0xc6/0x1e0 [ 5876.686241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5876.686241][ T1076] [ 5876.688503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5876.688503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5876.688503][ T1076] ipv6_find_idev+0x102/0x170 [ 5876.688503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5876.688503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5876.688503][ T1076] netlink_rcv_skb+0x130/0x360 [ 5876.688503][ T1076] netlink_unicast+0x449/0x710 [ 5876.688503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5876.688503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5876.688503][ T1076] ___sys_sendmsg+0xee/0x170 [ 5876.688503][ T1076] __sys_sendmsg+0xcd/0x170 [ 5876.688503][ T1076] do_syscall_64+0xc6/0x1e0 [ 5876.688503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5876.688503][ T1076] [ 5876.690228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5876.690228][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5876.690228][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5876.690228][ T1076] ipv6_find_idev+0x102/0x170 [ 5876.690228][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5876.690228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5876.690228][ T1076] netlink_rcv_skb+0x130/0x360 [ 5876.690228][ T1076] netlink_unicast+0x449/0x710 [ 5876.690228][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5876.690228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5876.690228][ T1076] ___sys_sendmsg+0xee/0x170 [ 5876.690228][ T1076] __sys_sendmsg+0xcd/0x170 [ 5876.690228][ T1076] do_syscall_64+0xc6/0x1e0 [ 5876.690228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5876.690228][ T1076] [ 5886.837823][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5886.838351][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5886.838351][ T1076] netdev_get_by_index+0x5e/0x80 [ 5886.838351][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5886.838351][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5886.838351][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5886.838351][ T1076] ipv6_add_addr+0x411/0x2000 [ 5886.838351][ T1076] inet6_addr_add+0x30e/0xa40 [ 5886.838351][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5886.838351][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5886.838351][ T1076] netlink_rcv_skb+0x130/0x360 [ 5886.838351][ T1076] netlink_unicast+0x449/0x710 [ 5886.838351][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5886.838351][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5886.838351][ T1076] ___sys_sendmsg+0xee/0x170 [ 5886.838351][ T1076] __sys_sendmsg+0xcd/0x170 [ 5886.838351][ T1076] do_syscall_64+0xc6/0x1e0 [ 5886.838351][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5886.838351][ T1076] [ 5886.840650][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5886.840650][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5886.840650][ T1076] ipv6_find_idev+0x102/0x170 [ 5886.840650][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5886.840650][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5886.840650][ T1076] netlink_rcv_skb+0x130/0x360 [ 5886.840650][ T1076] netlink_unicast+0x449/0x710 [ 5886.840650][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5886.840650][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5886.840650][ T1076] ___sys_sendmsg+0xee/0x170 [ 5886.840650][ T1076] __sys_sendmsg+0xcd/0x170 [ 5886.840650][ T1076] do_syscall_64+0xc6/0x1e0 [ 5886.840650][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5886.840650][ T1076] [ 5886.842410][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5886.842410][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5886.842410][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5886.842410][ T1076] ipv6_find_idev+0x102/0x170 [ 5886.842410][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5886.842410][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5886.842410][ T1076] netlink_rcv_skb+0x130/0x360 [ 5886.842410][ T1076] netlink_unicast+0x449/0x710 [ 5886.842410][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5886.842410][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5886.842410][ T1076] ___sys_sendmsg+0xee/0x170 [ 5886.842410][ T1076] __sys_sendmsg+0xcd/0x170 [ 5886.842410][ T1076] do_syscall_64+0xc6/0x1e0 [ 5886.842410][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5886.842410][ T1076] [ 5896.845696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5896.846226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5896.846226][ T1076] netdev_get_by_index+0x5e/0x80 [ 5896.846226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5896.846226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5896.846226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5896.846226][ T1076] ipv6_add_addr+0x411/0x2000 [ 5896.846226][ T1076] inet6_addr_add+0x30e/0xa40 [ 5896.846226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5896.846226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5896.846226][ T1076] netlink_rcv_skb+0x130/0x360 [ 5896.846226][ T1076] netlink_unicast+0x449/0x710 [ 5896.846226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5896.846226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5896.846226][ T1076] ___sys_sendmsg+0xee/0x170 [ 5896.846226][ T1076] __sys_sendmsg+0xcd/0x170 [ 5896.846226][ T1076] do_syscall_64+0xc6/0x1e0 [ 5896.846226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5896.846226][ T1076] [ 5896.848512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5896.848512][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5896.848512][ T1076] ipv6_find_idev+0x102/0x170 [ 5896.848512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5896.848512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5896.848512][ T1076] netlink_rcv_skb+0x130/0x360 [ 5896.848512][ T1076] netlink_unicast+0x449/0x710 [ 5896.848512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5896.848512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5896.848512][ T1076] ___sys_sendmsg+0xee/0x170 [ 5896.848512][ T1076] __sys_sendmsg+0xcd/0x170 [ 5896.848512][ T1076] do_syscall_64+0xc6/0x1e0 [ 5896.848512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5896.848512][ T1076] [ 5896.850248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5896.850248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5896.850248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5896.850248][ T1076] ipv6_find_idev+0x102/0x170 [ 5896.850248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5896.850248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5896.850248][ T1076] netlink_rcv_skb+0x130/0x360 [ 5896.850248][ T1076] netlink_unicast+0x449/0x710 [ 5896.850248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5896.850248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5896.850248][ T1076] ___sys_sendmsg+0xee/0x170 [ 5896.850248][ T1076] __sys_sendmsg+0xcd/0x170 [ 5896.850248][ T1076] do_syscall_64+0xc6/0x1e0 [ 5896.850248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5896.850248][ T1076] [ 5907.093697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5907.094227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5907.094227][ T1076] netdev_get_by_index+0x5e/0x80 [ 5907.094227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5907.094227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5907.094227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5907.094227][ T1076] ipv6_add_addr+0x411/0x2000 [ 5907.094227][ T1076] inet6_addr_add+0x30e/0xa40 [ 5907.094227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5907.094227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5907.094227][ T1076] netlink_rcv_skb+0x130/0x360 [ 5907.094227][ T1076] netlink_unicast+0x449/0x710 [ 5907.094227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5907.094227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5907.094227][ T1076] ___sys_sendmsg+0xee/0x170 [ 5907.094227][ T1076] __sys_sendmsg+0xcd/0x170 [ 5907.094227][ T1076] do_syscall_64+0xc6/0x1e0 [ 5907.094227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5907.094227][ T1076] [ 5907.096517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5907.096517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5907.096517][ T1076] ipv6_find_idev+0x102/0x170 [ 5907.096517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5907.096517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5907.096517][ T1076] netlink_rcv_skb+0x130/0x360 [ 5907.096517][ T1076] netlink_unicast+0x449/0x710 [ 5907.096517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5907.096517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5907.096517][ T1076] ___sys_sendmsg+0xee/0x170 [ 5907.096517][ T1076] __sys_sendmsg+0xcd/0x170 [ 5907.096517][ T1076] do_syscall_64+0xc6/0x1e0 [ 5907.096517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5907.096517][ T1076] [ 5907.098257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5907.098257][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5907.098257][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5907.098257][ T1076] ipv6_find_idev+0x102/0x170 [ 5907.098257][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5907.098257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5907.098257][ T1076] netlink_rcv_skb+0x130/0x360 [ 5907.098257][ T1076] netlink_unicast+0x449/0x710 [ 5907.098257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5907.098257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5907.098257][ T1076] ___sys_sendmsg+0xee/0x170 [ 5907.098257][ T1076] __sys_sendmsg+0xcd/0x170 [ 5907.098257][ T1076] do_syscall_64+0xc6/0x1e0 [ 5907.098257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5907.098257][ T1076] [ 5917.237699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5917.238208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5917.238208][ T1076] netdev_get_by_index+0x5e/0x80 [ 5917.238208][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5917.238208][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5917.238208][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5917.238208][ T1076] ipv6_add_addr+0x411/0x2000 [ 5917.238208][ T1076] inet6_addr_add+0x30e/0xa40 [ 5917.238208][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5917.238208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5917.238208][ T1076] netlink_rcv_skb+0x130/0x360 [ 5917.238208][ T1076] netlink_unicast+0x449/0x710 [ 5917.238208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5917.238208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5917.238208][ T1076] ___sys_sendmsg+0xee/0x170 [ 5917.238208][ T1076] __sys_sendmsg+0xcd/0x170 [ 5917.238208][ T1076] do_syscall_64+0xc6/0x1e0 [ 5917.238208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5917.238208][ T1076] [ 5917.240466][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5917.240466][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5917.240466][ T1076] ipv6_find_idev+0x102/0x170 [ 5917.240466][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5917.240466][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5917.240466][ T1076] netlink_rcv_skb+0x130/0x360 [ 5917.240466][ T1076] netlink_unicast+0x449/0x710 [ 5917.240466][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5917.240466][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5917.240466][ T1076] ___sys_sendmsg+0xee/0x170 [ 5917.240466][ T1076] __sys_sendmsg+0xcd/0x170 [ 5917.240466][ T1076] do_syscall_64+0xc6/0x1e0 [ 5917.240466][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5917.240466][ T1076] [ 5917.242305][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5917.242305][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5917.242305][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5917.242305][ T1076] ipv6_find_idev+0x102/0x170 [ 5917.242305][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5917.242305][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5917.242305][ T1076] netlink_rcv_skb+0x130/0x360 [ 5917.242305][ T1076] netlink_unicast+0x449/0x710 [ 5917.242305][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5917.242305][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5917.242305][ T1076] ___sys_sendmsg+0xee/0x170 [ 5917.242305][ T1076] __sys_sendmsg+0xcd/0x170 [ 5917.242305][ T1076] do_syscall_64+0xc6/0x1e0 [ 5917.242305][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5917.242305][ T1076] [ 5927.485700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5927.486218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5927.486218][ T1076] netdev_get_by_index+0x5e/0x80 [ 5927.486218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5927.486218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5927.486218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5927.486218][ T1076] ipv6_add_addr+0x411/0x2000 [ 5927.486218][ T1076] inet6_addr_add+0x30e/0xa40 [ 5927.486218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5927.486218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5927.486218][ T1076] netlink_rcv_skb+0x130/0x360 [ 5927.486218][ T1076] netlink_unicast+0x449/0x710 [ 5927.486218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5927.486218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5927.486218][ T1076] ___sys_sendmsg+0xee/0x170 [ 5927.486218][ T1076] __sys_sendmsg+0xcd/0x170 [ 5927.486218][ T1076] do_syscall_64+0xc6/0x1e0 [ 5927.486218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5927.486218][ T1076] [ 5927.488473][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5927.488473][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5927.488473][ T1076] ipv6_find_idev+0x102/0x170 [ 5927.488473][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5927.488473][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5927.488473][ T1076] netlink_rcv_skb+0x130/0x360 [ 5927.488473][ T1076] netlink_unicast+0x449/0x710 [ 5927.488473][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5927.488473][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5927.488473][ T1076] ___sys_sendmsg+0xee/0x170 [ 5927.488473][ T1076] __sys_sendmsg+0xcd/0x170 [ 5927.488473][ T1076] do_syscall_64+0xc6/0x1e0 [ 5927.488473][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5927.488473][ T1076] [ 5927.490274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5927.490274][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5927.490274][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5927.490274][ T1076] ipv6_find_idev+0x102/0x170 [ 5927.490274][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5927.490274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5927.490274][ T1076] netlink_rcv_skb+0x130/0x360 [ 5927.490274][ T1076] netlink_unicast+0x449/0x710 [ 5927.490274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5927.490274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5927.490274][ T1076] ___sys_sendmsg+0xee/0x170 [ 5927.490274][ T1076] __sys_sendmsg+0xcd/0x170 [ 5927.490274][ T1076] do_syscall_64+0xc6/0x1e0 [ 5927.490274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5927.490274][ T1076] [ 5937.693712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5937.694246][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5937.694246][ T1076] netdev_get_by_index+0x5e/0x80 [ 5937.694246][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5937.694246][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5937.694246][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5937.694246][ T1076] ipv6_add_addr+0x411/0x2000 [ 5937.694246][ T1076] inet6_addr_add+0x30e/0xa40 [ 5937.694246][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5937.694246][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5937.694246][ T1076] netlink_rcv_skb+0x130/0x360 [ 5937.694246][ T1076] netlink_unicast+0x449/0x710 [ 5937.694246][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5937.694246][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5937.694246][ T1076] ___sys_sendmsg+0xee/0x170 [ 5937.694246][ T1076] __sys_sendmsg+0xcd/0x170 [ 5937.694246][ T1076] do_syscall_64+0xc6/0x1e0 [ 5937.694246][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5937.694246][ T1076] [ 5937.696542][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5937.696542][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5937.696542][ T1076] ipv6_find_idev+0x102/0x170 [ 5937.696542][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5937.696542][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5937.696542][ T1076] netlink_rcv_skb+0x130/0x360 [ 5937.696542][ T1076] netlink_unicast+0x449/0x710 [ 5937.696542][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5937.696542][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5937.696542][ T1076] ___sys_sendmsg+0xee/0x170 [ 5937.696542][ T1076] __sys_sendmsg+0xcd/0x170 [ 5937.696542][ T1076] do_syscall_64+0xc6/0x1e0 [ 5937.696542][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5937.696542][ T1076] [ 5937.698281][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5937.698281][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5937.698281][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5937.698281][ T1076] ipv6_find_idev+0x102/0x170 [ 5937.698281][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5937.698281][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5937.698281][ T1076] netlink_rcv_skb+0x130/0x360 [ 5937.698281][ T1076] netlink_unicast+0x449/0x710 [ 5937.698281][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5937.698281][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5937.698281][ T1076] ___sys_sendmsg+0xee/0x170 [ 5937.698281][ T1076] __sys_sendmsg+0xcd/0x170 [ 5937.698281][ T1076] do_syscall_64+0xc6/0x1e0 [ 5937.698281][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5937.698281][ T1076] [ 5947.941711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5947.942219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5947.942219][ T1076] netdev_get_by_index+0x5e/0x80 [ 5947.942219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5947.942219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5947.942219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5947.942219][ T1076] ipv6_add_addr+0x411/0x2000 [ 5947.942219][ T1076] inet6_addr_add+0x30e/0xa40 [ 5947.942219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5947.942219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.942219][ T1076] netlink_rcv_skb+0x130/0x360 [ 5947.942219][ T1076] netlink_unicast+0x449/0x710 [ 5947.942219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5947.942219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5947.942219][ T1076] ___sys_sendmsg+0xee/0x170 [ 5947.942219][ T1076] __sys_sendmsg+0xcd/0x170 [ 5947.942219][ T1076] do_syscall_64+0xc6/0x1e0 [ 5947.942219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.942219][ T1076] [ 5947.944477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5947.944477][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5947.944477][ T1076] ipv6_find_idev+0x102/0x170 [ 5947.944477][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5947.944477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.944477][ T1076] netlink_rcv_skb+0x130/0x360 [ 5947.944477][ T1076] netlink_unicast+0x449/0x710 [ 5947.944477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5947.944477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5947.944477][ T1076] ___sys_sendmsg+0xee/0x170 [ 5947.944477][ T1076] __sys_sendmsg+0xcd/0x170 [ 5947.944477][ T1076] do_syscall_64+0xc6/0x1e0 [ 5947.944477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.944477][ T1076] [ 5947.946222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5947.946222][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5947.946222][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5947.946222][ T1076] ipv6_find_idev+0x102/0x170 [ 5947.946222][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5947.946222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.946222][ T1076] netlink_rcv_skb+0x130/0x360 [ 5947.946222][ T1076] netlink_unicast+0x449/0x710 [ 5947.946222][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5947.946222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5947.946222][ T1076] ___sys_sendmsg+0xee/0x170 [ 5947.946222][ T1076] __sys_sendmsg+0xcd/0x170 [ 5947.946222][ T1076] do_syscall_64+0xc6/0x1e0 [ 5947.946222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.946222][ T1076] [ 5958.189735][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5958.190251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5958.190251][ T1076] netdev_get_by_index+0x5e/0x80 [ 5958.190251][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5958.190251][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5958.190251][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5958.190251][ T1076] ipv6_add_addr+0x411/0x2000 [ 5958.190251][ T1076] inet6_addr_add+0x30e/0xa40 [ 5958.190251][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5958.190251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5958.190251][ T1076] netlink_rcv_skb+0x130/0x360 [ 5958.190251][ T1076] netlink_unicast+0x449/0x710 [ 5958.190251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5958.190251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5958.190251][ T1076] ___sys_sendmsg+0xee/0x170 [ 5958.190251][ T1076] __sys_sendmsg+0xcd/0x170 [ 5958.190251][ T1076] do_syscall_64+0xc6/0x1e0 [ 5958.190251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5958.190251][ T1076] [ 5958.192545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5958.192545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5958.192545][ T1076] ipv6_find_idev+0x102/0x170 [ 5958.192545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5958.192545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5958.192545][ T1076] netlink_rcv_skb+0x130/0x360 [ 5958.192545][ T1076] netlink_unicast+0x449/0x710 [ 5958.192545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5958.192545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5958.192545][ T1076] ___sys_sendmsg+0xee/0x170 [ 5958.192545][ T1076] __sys_sendmsg+0xcd/0x170 [ 5958.192545][ T1076] do_syscall_64+0xc6/0x1e0 [ 5958.192545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5958.192545][ T1076] [ 5958.194301][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5958.194301][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5958.194301][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5958.194301][ T1076] ipv6_find_idev+0x102/0x170 [ 5958.194301][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5958.194301][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5958.194301][ T1076] netlink_rcv_skb+0x130/0x360 [ 5958.194301][ T1076] netlink_unicast+0x449/0x710 [ 5958.194301][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5958.194301][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5958.194301][ T1076] ___sys_sendmsg+0xee/0x170 [ 5958.194301][ T1076] __sys_sendmsg+0xcd/0x170 [ 5958.194301][ T1076] do_syscall_64+0xc6/0x1e0 [ 5958.194301][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5958.194301][ T1076] [ 5968.437703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5968.438211][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5968.438211][ T1076] netdev_get_by_index+0x5e/0x80 [ 5968.438211][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5968.438211][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5968.438211][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5968.438211][ T1076] ipv6_add_addr+0x411/0x2000 [ 5968.438211][ T1076] inet6_addr_add+0x30e/0xa40 [ 5968.438211][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5968.438211][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5968.438211][ T1076] netlink_rcv_skb+0x130/0x360 [ 5968.438211][ T1076] netlink_unicast+0x449/0x710 [ 5968.438211][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5968.438211][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5968.438211][ T1076] ___sys_sendmsg+0xee/0x170 [ 5968.438211][ T1076] __sys_sendmsg+0xcd/0x170 [ 5968.438211][ T1076] do_syscall_64+0xc6/0x1e0 [ 5968.438211][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5968.438211][ T1076] [ 5968.440502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5968.440502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5968.440502][ T1076] ipv6_find_idev+0x102/0x170 [ 5968.440502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5968.440502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5968.440502][ T1076] netlink_rcv_skb+0x130/0x360 [ 5968.440502][ T1076] netlink_unicast+0x449/0x710 [ 5968.440502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5968.440502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5968.440502][ T1076] ___sys_sendmsg+0xee/0x170 [ 5968.440502][ T1076] __sys_sendmsg+0xcd/0x170 [ 5968.440502][ T1076] do_syscall_64+0xc6/0x1e0 [ 5968.440502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5968.440502][ T1076] [ 5968.442252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5968.442252][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5968.442252][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5968.442252][ T1076] ipv6_find_idev+0x102/0x170 [ 5968.442252][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5968.442252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5968.442252][ T1076] netlink_rcv_skb+0x130/0x360 [ 5968.442252][ T1076] netlink_unicast+0x449/0x710 [ 5968.442252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5968.442252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5968.442252][ T1076] ___sys_sendmsg+0xee/0x170 [ 5968.442252][ T1076] __sys_sendmsg+0xcd/0x170 [ 5968.442252][ T1076] do_syscall_64+0xc6/0x1e0 [ 5968.442252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5968.442252][ T1076] [ 5978.685644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5978.686173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5978.686173][ T1076] netdev_get_by_index+0x5e/0x80 [ 5978.686173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5978.686173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5978.686173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5978.686173][ T1076] ipv6_add_addr+0x411/0x2000 [ 5978.686173][ T1076] inet6_addr_add+0x30e/0xa40 [ 5978.686173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5978.686173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5978.686173][ T1076] netlink_rcv_skb+0x130/0x360 [ 5978.686173][ T1076] netlink_unicast+0x449/0x710 [ 5978.686173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5978.686173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5978.686173][ T1076] ___sys_sendmsg+0xee/0x170 [ 5978.686173][ T1076] __sys_sendmsg+0xcd/0x170 [ 5978.686173][ T1076] do_syscall_64+0xc6/0x1e0 [ 5978.686173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5978.686173][ T1076] [ 5978.688477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5978.688477][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5978.688477][ T1076] ipv6_find_idev+0x102/0x170 [ 5978.688477][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5978.688477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5978.688477][ T1076] netlink_rcv_skb+0x130/0x360 [ 5978.688477][ T1076] netlink_unicast+0x449/0x710 [ 5978.688477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5978.688477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5978.688477][ T1076] ___sys_sendmsg+0xee/0x170 [ 5978.688477][ T1076] __sys_sendmsg+0xcd/0x170 [ 5978.688477][ T1076] do_syscall_64+0xc6/0x1e0 [ 5978.688477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5978.688477][ T1076] [ 5978.690233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5978.690233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5978.690233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5978.690233][ T1076] ipv6_find_idev+0x102/0x170 [ 5978.690233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5978.690233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5978.690233][ T1076] netlink_rcv_skb+0x130/0x360 [ 5978.690233][ T1076] netlink_unicast+0x449/0x710 [ 5978.690233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5978.690233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5978.690233][ T1076] ___sys_sendmsg+0xee/0x170 [ 5978.690233][ T1076] __sys_sendmsg+0xcd/0x170 [ 5978.690233][ T1076] do_syscall_64+0xc6/0x1e0 [ 5978.690233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5978.690233][ T1076] [ 5988.933632][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5988.934156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5988.934156][ T1076] netdev_get_by_index+0x5e/0x80 [ 5988.934156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5988.934156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5988.934156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5988.934156][ T1076] ipv6_add_addr+0x411/0x2000 [ 5988.934156][ T1076] inet6_addr_add+0x30e/0xa40 [ 5988.934156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.934156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.934156][ T1076] netlink_rcv_skb+0x130/0x360 [ 5988.934156][ T1076] netlink_unicast+0x449/0x710 [ 5988.934156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5988.934156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5988.934156][ T1076] ___sys_sendmsg+0xee/0x170 [ 5988.934156][ T1076] __sys_sendmsg+0xcd/0x170 [ 5988.934156][ T1076] do_syscall_64+0xc6/0x1e0 [ 5988.934156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.934156][ T1076] [ 5988.936468][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5988.936468][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5988.936468][ T1076] ipv6_find_idev+0x102/0x170 [ 5988.936468][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.936468][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.936468][ T1076] netlink_rcv_skb+0x130/0x360 [ 5988.936468][ T1076] netlink_unicast+0x449/0x710 [ 5988.936468][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5988.936468][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5988.936468][ T1076] ___sys_sendmsg+0xee/0x170 [ 5988.936468][ T1076] __sys_sendmsg+0xcd/0x170 [ 5988.936468][ T1076] do_syscall_64+0xc6/0x1e0 [ 5988.936468][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.936468][ T1076] [ 5988.938229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5988.938229][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5988.938229][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5988.938229][ T1076] ipv6_find_idev+0x102/0x170 [ 5988.938229][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.938229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.938229][ T1076] netlink_rcv_skb+0x130/0x360 [ 5988.938229][ T1076] netlink_unicast+0x449/0x710 [ 5988.938229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5988.938229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5988.938229][ T1076] ___sys_sendmsg+0xee/0x170 [ 5988.938229][ T1076] __sys_sendmsg+0xcd/0x170 [ 5988.938229][ T1076] do_syscall_64+0xc6/0x1e0 [ 5988.938229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.938229][ T1076] [ 5999.181733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 5999.182244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5999.182244][ T1076] netdev_get_by_index+0x5e/0x80 [ 5999.182244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 5999.182244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 5999.182244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 5999.182244][ T1076] ipv6_add_addr+0x411/0x2000 [ 5999.182244][ T1076] inet6_addr_add+0x30e/0xa40 [ 5999.182244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 5999.182244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5999.182244][ T1076] netlink_rcv_skb+0x130/0x360 [ 5999.182244][ T1076] netlink_unicast+0x449/0x710 [ 5999.182244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5999.182244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5999.182244][ T1076] ___sys_sendmsg+0xee/0x170 [ 5999.182244][ T1076] __sys_sendmsg+0xcd/0x170 [ 5999.182244][ T1076] do_syscall_64+0xc6/0x1e0 [ 5999.182244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5999.182244][ T1076] [ 5999.184558][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5999.184558][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 5999.184558][ T1076] ipv6_find_idev+0x102/0x170 [ 5999.184558][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5999.184558][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5999.184558][ T1076] netlink_rcv_skb+0x130/0x360 [ 5999.184558][ T1076] netlink_unicast+0x449/0x710 [ 5999.184558][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5999.184558][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5999.184558][ T1076] ___sys_sendmsg+0xee/0x170 [ 5999.184558][ T1076] __sys_sendmsg+0xcd/0x170 [ 5999.184558][ T1076] do_syscall_64+0xc6/0x1e0 [ 5999.184558][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5999.184558][ T1076] [ 5999.186316][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 5999.186316][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 5999.186316][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 5999.186316][ T1076] ipv6_find_idev+0x102/0x170 [ 5999.186316][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 5999.186316][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5999.186316][ T1076] netlink_rcv_skb+0x130/0x360 [ 5999.186316][ T1076] netlink_unicast+0x449/0x710 [ 5999.186316][ T1076] netlink_sendmsg+0x723/0xbe0 [ 5999.186316][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 5999.186316][ T1076] ___sys_sendmsg+0xee/0x170 [ 5999.186316][ T1076] __sys_sendmsg+0xcd/0x170 [ 5999.186316][ T1076] do_syscall_64+0xc6/0x1e0 [ 5999.186316][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5999.186316][ T1076] [ 6009.237704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6009.238240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6009.238240][ T1076] netdev_get_by_index+0x5e/0x80 [ 6009.238240][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6009.238240][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6009.238240][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6009.238240][ T1076] ipv6_add_addr+0x411/0x2000 [ 6009.238240][ T1076] inet6_addr_add+0x30e/0xa40 [ 6009.238240][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6009.238240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6009.238240][ T1076] netlink_rcv_skb+0x130/0x360 [ 6009.238240][ T1076] netlink_unicast+0x449/0x710 [ 6009.238240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6009.238240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6009.238240][ T1076] ___sys_sendmsg+0xee/0x170 [ 6009.238240][ T1076] __sys_sendmsg+0xcd/0x170 [ 6009.238240][ T1076] do_syscall_64+0xc6/0x1e0 [ 6009.238240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6009.238240][ T1076] [ 6009.240534][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6009.240534][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6009.240534][ T1076] ipv6_find_idev+0x102/0x170 [ 6009.240534][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6009.240534][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6009.240534][ T1076] netlink_rcv_skb+0x130/0x360 [ 6009.240534][ T1076] netlink_unicast+0x449/0x710 [ 6009.240534][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6009.240534][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6009.240534][ T1076] ___sys_sendmsg+0xee/0x170 [ 6009.240534][ T1076] __sys_sendmsg+0xcd/0x170 [ 6009.240534][ T1076] do_syscall_64+0xc6/0x1e0 [ 6009.240534][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6009.240534][ T1076] [ 6009.242282][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6009.242282][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6009.242282][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6009.242282][ T1076] ipv6_find_idev+0x102/0x170 [ 6009.242282][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6009.242282][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6009.242282][ T1076] netlink_rcv_skb+0x130/0x360 [ 6009.242282][ T1076] netlink_unicast+0x449/0x710 [ 6009.242282][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6009.242282][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6009.242282][ T1076] ___sys_sendmsg+0xee/0x170 [ 6009.242282][ T1076] __sys_sendmsg+0xcd/0x170 [ 6009.242282][ T1076] do_syscall_64+0xc6/0x1e0 [ 6009.242282][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6009.242282][ T1076] [ 6019.493700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6019.494252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6019.494252][ T1076] netdev_get_by_index+0x5e/0x80 [ 6019.494252][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6019.494252][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6019.494252][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6019.494252][ T1076] ipv6_add_addr+0x411/0x2000 [ 6019.494252][ T1076] inet6_addr_add+0x30e/0xa40 [ 6019.494252][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.494252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.494252][ T1076] netlink_rcv_skb+0x130/0x360 [ 6019.494252][ T1076] netlink_unicast+0x449/0x710 [ 6019.494252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6019.494252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6019.494252][ T1076] ___sys_sendmsg+0xee/0x170 [ 6019.494252][ T1076] __sys_sendmsg+0xcd/0x170 [ 6019.494252][ T1076] do_syscall_64+0xc6/0x1e0 [ 6019.494252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.494252][ T1076] [ 6019.497099][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6019.497099][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6019.497099][ T1076] ipv6_find_idev+0x102/0x170 [ 6019.497099][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.497099][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.497099][ T1076] netlink_rcv_skb+0x130/0x360 [ 6019.497099][ T1076] netlink_unicast+0x449/0x710 [ 6019.497099][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6019.497099][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6019.497099][ T1076] ___sys_sendmsg+0xee/0x170 [ 6019.497099][ T1076] __sys_sendmsg+0xcd/0x170 [ 6019.497099][ T1076] do_syscall_64+0xc6/0x1e0 [ 6019.497099][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.497099][ T1076] [ 6019.498841][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6019.498841][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6019.498841][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6019.498841][ T1076] ipv6_find_idev+0x102/0x170 [ 6019.498841][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.498841][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.498841][ T1076] netlink_rcv_skb+0x130/0x360 [ 6019.498841][ T1076] netlink_unicast+0x449/0x710 [ 6019.498841][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6019.498841][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6019.498841][ T1076] ___sys_sendmsg+0xee/0x170 [ 6019.498841][ T1076] __sys_sendmsg+0xcd/0x170 [ 6019.498841][ T1076] do_syscall_64+0xc6/0x1e0 [ 6019.498841][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.498841][ T1076] [ 6029.533699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6029.534238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6029.534238][ T1076] netdev_get_by_index+0x5e/0x80 [ 6029.534238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6029.534238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6029.534238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6029.534238][ T1076] ipv6_add_addr+0x411/0x2000 [ 6029.534238][ T1076] inet6_addr_add+0x30e/0xa40 [ 6029.534238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.534238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.534238][ T1076] netlink_rcv_skb+0x130/0x360 [ 6029.534238][ T1076] netlink_unicast+0x449/0x710 [ 6029.534238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6029.534238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6029.534238][ T1076] ___sys_sendmsg+0xee/0x170 [ 6029.534238][ T1076] __sys_sendmsg+0xcd/0x170 [ 6029.534238][ T1076] do_syscall_64+0xc6/0x1e0 [ 6029.534238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.534238][ T1076] [ 6029.536535][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6029.536535][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6029.536535][ T1076] ipv6_find_idev+0x102/0x170 [ 6029.536535][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.536535][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.536535][ T1076] netlink_rcv_skb+0x130/0x360 [ 6029.536535][ T1076] netlink_unicast+0x449/0x710 [ 6029.536535][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6029.536535][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6029.536535][ T1076] ___sys_sendmsg+0xee/0x170 [ 6029.536535][ T1076] __sys_sendmsg+0xcd/0x170 [ 6029.536535][ T1076] do_syscall_64+0xc6/0x1e0 [ 6029.536535][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.536535][ T1076] [ 6029.538271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6029.538271][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6029.538271][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6029.538271][ T1076] ipv6_find_idev+0x102/0x170 [ 6029.538271][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.538271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.538271][ T1076] netlink_rcv_skb+0x130/0x360 [ 6029.538271][ T1076] netlink_unicast+0x449/0x710 [ 6029.538271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6029.538271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6029.538271][ T1076] ___sys_sendmsg+0xee/0x170 [ 6029.538271][ T1076] __sys_sendmsg+0xcd/0x170 [ 6029.538271][ T1076] do_syscall_64+0xc6/0x1e0 [ 6029.538271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.538271][ T1076] [ 6039.629707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6039.630222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6039.630222][ T1076] netdev_get_by_index+0x5e/0x80 [ 6039.630222][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6039.630222][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6039.630222][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6039.630222][ T1076] ipv6_add_addr+0x411/0x2000 [ 6039.630222][ T1076] inet6_addr_add+0x30e/0xa40 [ 6039.630222][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.630222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.630222][ T1076] netlink_rcv_skb+0x130/0x360 [ 6039.630222][ T1076] netlink_unicast+0x449/0x710 [ 6039.630222][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6039.630222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6039.630222][ T1076] ___sys_sendmsg+0xee/0x170 [ 6039.630222][ T1076] __sys_sendmsg+0xcd/0x170 [ 6039.630222][ T1076] do_syscall_64+0xc6/0x1e0 [ 6039.630222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.630222][ T1076] [ 6039.632476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6039.632476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6039.632476][ T1076] ipv6_find_idev+0x102/0x170 [ 6039.632476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.632476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.632476][ T1076] netlink_rcv_skb+0x130/0x360 [ 6039.632476][ T1076] netlink_unicast+0x449/0x710 [ 6039.632476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6039.632476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6039.632476][ T1076] ___sys_sendmsg+0xee/0x170 [ 6039.632476][ T1076] __sys_sendmsg+0xcd/0x170 [ 6039.632476][ T1076] do_syscall_64+0xc6/0x1e0 [ 6039.632476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.632476][ T1076] [ 6039.634201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6039.634201][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6039.634201][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6039.634201][ T1076] ipv6_find_idev+0x102/0x170 [ 6039.634201][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.634201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.634201][ T1076] netlink_rcv_skb+0x130/0x360 [ 6039.634201][ T1076] netlink_unicast+0x449/0x710 [ 6039.634201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6039.634201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6039.634201][ T1076] ___sys_sendmsg+0xee/0x170 [ 6039.634201][ T1076] __sys_sendmsg+0xcd/0x170 [ 6039.634201][ T1076] do_syscall_64+0xc6/0x1e0 [ 6039.634201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.634201][ T1076] [ 6049.837756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6049.838255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6049.838255][ T1076] netdev_get_by_index+0x5e/0x80 [ 6049.838255][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6049.838255][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6049.838255][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6049.838255][ T1076] ipv6_add_addr+0x411/0x2000 [ 6049.838255][ T1076] inet6_addr_add+0x30e/0xa40 [ 6049.838255][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.838255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.838255][ T1076] netlink_rcv_skb+0x130/0x360 [ 6049.838255][ T1076] netlink_unicast+0x449/0x710 [ 6049.838255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6049.838255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6049.838255][ T1076] ___sys_sendmsg+0xee/0x170 [ 6049.838255][ T1076] __sys_sendmsg+0xcd/0x170 [ 6049.838255][ T1076] do_syscall_64+0xc6/0x1e0 [ 6049.838255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.838255][ T1076] [ 6049.840516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6049.840516][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6049.840516][ T1076] ipv6_find_idev+0x102/0x170 [ 6049.840516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.840516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.840516][ T1076] netlink_rcv_skb+0x130/0x360 [ 6049.840516][ T1076] netlink_unicast+0x449/0x710 [ 6049.840516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6049.840516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6049.840516][ T1076] ___sys_sendmsg+0xee/0x170 [ 6049.840516][ T1076] __sys_sendmsg+0xcd/0x170 [ 6049.840516][ T1076] do_syscall_64+0xc6/0x1e0 [ 6049.840516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.840516][ T1076] [ 6049.842239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6049.842239][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6049.842239][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6049.842239][ T1076] ipv6_find_idev+0x102/0x170 [ 6049.842239][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.842239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.842239][ T1076] netlink_rcv_skb+0x130/0x360 [ 6049.842239][ T1076] netlink_unicast+0x449/0x710 [ 6049.842239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6049.842239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6049.842239][ T1076] ___sys_sendmsg+0xee/0x170 [ 6049.842239][ T1076] __sys_sendmsg+0xcd/0x170 [ 6049.842239][ T1076] do_syscall_64+0xc6/0x1e0 [ 6049.842239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.842239][ T1076] [ 6060.085641][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6060.086149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6060.086149][ T1076] netdev_get_by_index+0x5e/0x80 [ 6060.086149][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6060.086149][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6060.086149][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6060.086149][ T1076] ipv6_add_addr+0x411/0x2000 [ 6060.086149][ T1076] inet6_addr_add+0x30e/0xa40 [ 6060.086149][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6060.086149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.086149][ T1076] netlink_rcv_skb+0x130/0x360 [ 6060.086149][ T1076] netlink_unicast+0x449/0x710 [ 6060.086149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6060.086149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6060.086149][ T1076] ___sys_sendmsg+0xee/0x170 [ 6060.086149][ T1076] __sys_sendmsg+0xcd/0x170 [ 6060.086149][ T1076] do_syscall_64+0xc6/0x1e0 [ 6060.086149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.086149][ T1076] [ 6060.088412][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6060.088412][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6060.088412][ T1076] ipv6_find_idev+0x102/0x170 [ 6060.088412][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6060.088412][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.088412][ T1076] netlink_rcv_skb+0x130/0x360 [ 6060.088412][ T1076] netlink_unicast+0x449/0x710 [ 6060.088412][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6060.088412][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6060.088412][ T1076] ___sys_sendmsg+0xee/0x170 [ 6060.088412][ T1076] __sys_sendmsg+0xcd/0x170 [ 6060.088412][ T1076] do_syscall_64+0xc6/0x1e0 [ 6060.088412][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.088412][ T1076] [ 6060.090151][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6060.090151][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6060.090151][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6060.090151][ T1076] ipv6_find_idev+0x102/0x170 [ 6060.090151][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6060.090151][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.090151][ T1076] netlink_rcv_skb+0x130/0x360 [ 6060.090151][ T1076] netlink_unicast+0x449/0x710 [ 6060.090151][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6060.090151][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6060.090151][ T1076] ___sys_sendmsg+0xee/0x170 [ 6060.090151][ T1076] __sys_sendmsg+0xcd/0x170 [ 6060.090151][ T1076] do_syscall_64+0xc6/0x1e0 [ 6060.090151][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.090151][ T1076] [ 6070.333709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6070.334242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6070.334242][ T1076] netdev_get_by_index+0x5e/0x80 [ 6070.334242][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6070.334242][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6070.334242][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6070.334242][ T1076] ipv6_add_addr+0x411/0x2000 [ 6070.334242][ T1076] inet6_addr_add+0x30e/0xa40 [ 6070.334242][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.334242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.334242][ T1076] netlink_rcv_skb+0x130/0x360 [ 6070.334242][ T1076] netlink_unicast+0x449/0x710 [ 6070.334242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6070.334242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6070.334242][ T1076] ___sys_sendmsg+0xee/0x170 [ 6070.334242][ T1076] __sys_sendmsg+0xcd/0x170 [ 6070.334242][ T1076] do_syscall_64+0xc6/0x1e0 [ 6070.334242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.334242][ T1076] [ 6070.336549][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6070.336549][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6070.336549][ T1076] ipv6_find_idev+0x102/0x170 [ 6070.336549][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.336549][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.336549][ T1076] netlink_rcv_skb+0x130/0x360 [ 6070.336549][ T1076] netlink_unicast+0x449/0x710 [ 6070.336549][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6070.336549][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6070.336549][ T1076] ___sys_sendmsg+0xee/0x170 [ 6070.336549][ T1076] __sys_sendmsg+0xcd/0x170 [ 6070.336549][ T1076] do_syscall_64+0xc6/0x1e0 [ 6070.336549][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.336549][ T1076] [ 6070.338291][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6070.338291][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6070.338291][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6070.338291][ T1076] ipv6_find_idev+0x102/0x170 [ 6070.338291][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.338291][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.338291][ T1076] netlink_rcv_skb+0x130/0x360 [ 6070.338291][ T1076] netlink_unicast+0x449/0x710 [ 6070.338291][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6070.338291][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6070.338291][ T1076] ___sys_sendmsg+0xee/0x170 [ 6070.338291][ T1076] __sys_sendmsg+0xcd/0x170 [ 6070.338291][ T1076] do_syscall_64+0xc6/0x1e0 [ 6070.338291][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.338291][ T1076] [ 6080.589693][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6080.590225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6080.590225][ T1076] netdev_get_by_index+0x5e/0x80 [ 6080.590225][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6080.590225][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6080.590225][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6080.590225][ T1076] ipv6_add_addr+0x411/0x2000 [ 6080.590225][ T1076] inet6_addr_add+0x30e/0xa40 [ 6080.590225][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.590225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.590225][ T1076] netlink_rcv_skb+0x130/0x360 [ 6080.590225][ T1076] netlink_unicast+0x449/0x710 [ 6080.590225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6080.590225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6080.590225][ T1076] ___sys_sendmsg+0xee/0x170 [ 6080.590225][ T1076] __sys_sendmsg+0xcd/0x170 [ 6080.590225][ T1076] do_syscall_64+0xc6/0x1e0 [ 6080.590225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.590225][ T1076] [ 6080.592505][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6080.592505][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6080.592505][ T1076] ipv6_find_idev+0x102/0x170 [ 6080.592505][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.592505][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.592505][ T1076] netlink_rcv_skb+0x130/0x360 [ 6080.592505][ T1076] netlink_unicast+0x449/0x710 [ 6080.592505][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6080.592505][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6080.592505][ T1076] ___sys_sendmsg+0xee/0x170 [ 6080.592505][ T1076] __sys_sendmsg+0xcd/0x170 [ 6080.592505][ T1076] do_syscall_64+0xc6/0x1e0 [ 6080.592505][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.592505][ T1076] [ 6080.594250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6080.594250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6080.594250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6080.594250][ T1076] ipv6_find_idev+0x102/0x170 [ 6080.594250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.594250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.594250][ T1076] netlink_rcv_skb+0x130/0x360 [ 6080.594250][ T1076] netlink_unicast+0x449/0x710 [ 6080.594250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6080.594250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6080.594250][ T1076] ___sys_sendmsg+0xee/0x170 [ 6080.594250][ T1076] __sys_sendmsg+0xcd/0x170 [ 6080.594250][ T1076] do_syscall_64+0xc6/0x1e0 [ 6080.594250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.594250][ T1076] [ 6090.605708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6090.606239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6090.606239][ T1076] netdev_get_by_index+0x5e/0x80 [ 6090.606239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6090.606239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6090.606239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6090.606239][ T1076] ipv6_add_addr+0x411/0x2000 [ 6090.606239][ T1076] inet6_addr_add+0x30e/0xa40 [ 6090.606239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.606239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.606239][ T1076] netlink_rcv_skb+0x130/0x360 [ 6090.606239][ T1076] netlink_unicast+0x449/0x710 [ 6090.606239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6090.606239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6090.606239][ T1076] ___sys_sendmsg+0xee/0x170 [ 6090.606239][ T1076] __sys_sendmsg+0xcd/0x170 [ 6090.606239][ T1076] do_syscall_64+0xc6/0x1e0 [ 6090.606239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.606239][ T1076] [ 6090.608525][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6090.608525][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6090.608525][ T1076] ipv6_find_idev+0x102/0x170 [ 6090.608525][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.608525][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.608525][ T1076] netlink_rcv_skb+0x130/0x360 [ 6090.608525][ T1076] netlink_unicast+0x449/0x710 [ 6090.608525][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6090.608525][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6090.608525][ T1076] ___sys_sendmsg+0xee/0x170 [ 6090.608525][ T1076] __sys_sendmsg+0xcd/0x170 [ 6090.608525][ T1076] do_syscall_64+0xc6/0x1e0 [ 6090.608525][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.608525][ T1076] [ 6090.610395][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6090.610395][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6090.610395][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6090.610395][ T1076] ipv6_find_idev+0x102/0x170 [ 6090.610395][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.610395][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.610395][ T1076] netlink_rcv_skb+0x130/0x360 [ 6090.610395][ T1076] netlink_unicast+0x449/0x710 [ 6090.610395][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6090.610395][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6090.610395][ T1076] ___sys_sendmsg+0xee/0x170 [ 6090.610395][ T1076] __sys_sendmsg+0xcd/0x170 [ 6090.610395][ T1076] do_syscall_64+0xc6/0x1e0 [ 6090.610395][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.610395][ T1076] [ 6100.861714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6100.862245][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6100.862245][ T1076] netdev_get_by_index+0x5e/0x80 [ 6100.862245][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6100.862245][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6100.862245][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6100.862245][ T1076] ipv6_add_addr+0x411/0x2000 [ 6100.862245][ T1076] inet6_addr_add+0x30e/0xa40 [ 6100.862245][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.862245][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.862245][ T1076] netlink_rcv_skb+0x130/0x360 [ 6100.862245][ T1076] netlink_unicast+0x449/0x710 [ 6100.862245][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6100.862245][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6100.862245][ T1076] ___sys_sendmsg+0xee/0x170 [ 6100.862245][ T1076] __sys_sendmsg+0xcd/0x170 [ 6100.862245][ T1076] do_syscall_64+0xc6/0x1e0 [ 6100.862245][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.862245][ T1076] [ 6100.864537][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6100.864537][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6100.864537][ T1076] ipv6_find_idev+0x102/0x170 [ 6100.864537][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.864537][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.864537][ T1076] netlink_rcv_skb+0x130/0x360 [ 6100.864537][ T1076] netlink_unicast+0x449/0x710 [ 6100.864537][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6100.864537][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6100.864537][ T1076] ___sys_sendmsg+0xee/0x170 [ 6100.864537][ T1076] __sys_sendmsg+0xcd/0x170 [ 6100.864537][ T1076] do_syscall_64+0xc6/0x1e0 [ 6100.864537][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.864537][ T1076] [ 6100.866281][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6100.866281][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6100.866281][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6100.866281][ T1076] ipv6_find_idev+0x102/0x170 [ 6100.866281][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.866281][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.866281][ T1076] netlink_rcv_skb+0x130/0x360 [ 6100.866281][ T1076] netlink_unicast+0x449/0x710 [ 6100.866281][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6100.866281][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6100.866281][ T1076] ___sys_sendmsg+0xee/0x170 [ 6100.866281][ T1076] __sys_sendmsg+0xcd/0x170 [ 6100.866281][ T1076] do_syscall_64+0xc6/0x1e0 [ 6100.866281][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.866281][ T1076] [ 6111.109699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6111.110237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6111.110237][ T1076] netdev_get_by_index+0x5e/0x80 [ 6111.110237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6111.110237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6111.110237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6111.110237][ T1076] ipv6_add_addr+0x411/0x2000 [ 6111.110237][ T1076] inet6_addr_add+0x30e/0xa40 [ 6111.110237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.110237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.110237][ T1076] netlink_rcv_skb+0x130/0x360 [ 6111.110237][ T1076] netlink_unicast+0x449/0x710 [ 6111.110237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6111.110237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6111.110237][ T1076] ___sys_sendmsg+0xee/0x170 [ 6111.110237][ T1076] __sys_sendmsg+0xcd/0x170 [ 6111.110237][ T1076] do_syscall_64+0xc6/0x1e0 [ 6111.110237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.110237][ T1076] [ 6111.112510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6111.112510][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6111.112510][ T1076] ipv6_find_idev+0x102/0x170 [ 6111.112510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.112510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.112510][ T1076] netlink_rcv_skb+0x130/0x360 [ 6111.112510][ T1076] netlink_unicast+0x449/0x710 [ 6111.112510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6111.112510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6111.112510][ T1076] ___sys_sendmsg+0xee/0x170 [ 6111.112510][ T1076] __sys_sendmsg+0xcd/0x170 [ 6111.112510][ T1076] do_syscall_64+0xc6/0x1e0 [ 6111.112510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.112510][ T1076] [ 6111.114255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6111.114255][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6111.114255][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6111.114255][ T1076] ipv6_find_idev+0x102/0x170 [ 6111.114255][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.114255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.114255][ T1076] netlink_rcv_skb+0x130/0x360 [ 6111.114255][ T1076] netlink_unicast+0x449/0x710 [ 6111.114255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6111.114255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6111.114255][ T1076] ___sys_sendmsg+0xee/0x170 [ 6111.114255][ T1076] __sys_sendmsg+0xcd/0x170 [ 6111.114255][ T1076] do_syscall_64+0xc6/0x1e0 [ 6111.114255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.114255][ T1076] [ 6121.357711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6121.358246][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6121.358246][ T1076] netdev_get_by_index+0x5e/0x80 [ 6121.358246][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6121.358246][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6121.358246][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6121.358246][ T1076] ipv6_add_addr+0x411/0x2000 [ 6121.358246][ T1076] inet6_addr_add+0x30e/0xa40 [ 6121.358246][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.358246][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.358246][ T1076] netlink_rcv_skb+0x130/0x360 [ 6121.358246][ T1076] netlink_unicast+0x449/0x710 [ 6121.358246][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6121.358246][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6121.358246][ T1076] ___sys_sendmsg+0xee/0x170 [ 6121.358246][ T1076] __sys_sendmsg+0xcd/0x170 [ 6121.358246][ T1076] do_syscall_64+0xc6/0x1e0 [ 6121.358246][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.358246][ T1076] [ 6121.360529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6121.360529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6121.360529][ T1076] ipv6_find_idev+0x102/0x170 [ 6121.360529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.360529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.360529][ T1076] netlink_rcv_skb+0x130/0x360 [ 6121.360529][ T1076] netlink_unicast+0x449/0x710 [ 6121.360529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6121.360529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6121.360529][ T1076] ___sys_sendmsg+0xee/0x170 [ 6121.360529][ T1076] __sys_sendmsg+0xcd/0x170 [ 6121.360529][ T1076] do_syscall_64+0xc6/0x1e0 [ 6121.360529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.360529][ T1076] [ 6121.362278][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6121.362278][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6121.362278][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6121.362278][ T1076] ipv6_find_idev+0x102/0x170 [ 6121.362278][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.362278][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.362278][ T1076] netlink_rcv_skb+0x130/0x360 [ 6121.362278][ T1076] netlink_unicast+0x449/0x710 [ 6121.362278][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6121.362278][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6121.362278][ T1076] ___sys_sendmsg+0xee/0x170 [ 6121.362278][ T1076] __sys_sendmsg+0xcd/0x170 [ 6121.362278][ T1076] do_syscall_64+0xc6/0x1e0 [ 6121.362278][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.362278][ T1076] [ 6131.373706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6131.374232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6131.374232][ T1076] netdev_get_by_index+0x5e/0x80 [ 6131.374232][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6131.374232][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6131.374232][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6131.374232][ T1076] ipv6_add_addr+0x411/0x2000 [ 6131.374232][ T1076] inet6_addr_add+0x30e/0xa40 [ 6131.374232][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.374232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.374232][ T1076] netlink_rcv_skb+0x130/0x360 [ 6131.374232][ T1076] netlink_unicast+0x449/0x710 [ 6131.374232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6131.374232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6131.374232][ T1076] ___sys_sendmsg+0xee/0x170 [ 6131.374232][ T1076] __sys_sendmsg+0xcd/0x170 [ 6131.374232][ T1076] do_syscall_64+0xc6/0x1e0 [ 6131.374232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.374232][ T1076] [ 6131.376529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6131.376529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6131.376529][ T1076] ipv6_find_idev+0x102/0x170 [ 6131.376529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.376529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.376529][ T1076] netlink_rcv_skb+0x130/0x360 [ 6131.376529][ T1076] netlink_unicast+0x449/0x710 [ 6131.376529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6131.376529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6131.376529][ T1076] ___sys_sendmsg+0xee/0x170 [ 6131.376529][ T1076] __sys_sendmsg+0xcd/0x170 [ 6131.376529][ T1076] do_syscall_64+0xc6/0x1e0 [ 6131.376529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.376529][ T1076] [ 6131.378277][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6131.378277][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6131.378277][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6131.378277][ T1076] ipv6_find_idev+0x102/0x170 [ 6131.378277][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.378277][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.378277][ T1076] netlink_rcv_skb+0x130/0x360 [ 6131.378277][ T1076] netlink_unicast+0x449/0x710 [ 6131.378277][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6131.378277][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6131.378277][ T1076] ___sys_sendmsg+0xee/0x170 [ 6131.378277][ T1076] __sys_sendmsg+0xcd/0x170 [ 6131.378277][ T1076] do_syscall_64+0xc6/0x1e0 [ 6131.378277][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.378277][ T1076] [ 6141.621728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6141.622251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6141.622251][ T1076] netdev_get_by_index+0x5e/0x80 [ 6141.622251][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6141.622251][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6141.622251][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6141.622251][ T1076] ipv6_add_addr+0x411/0x2000 [ 6141.622251][ T1076] inet6_addr_add+0x30e/0xa40 [ 6141.622251][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.622251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.622251][ T1076] netlink_rcv_skb+0x130/0x360 [ 6141.622251][ T1076] netlink_unicast+0x449/0x710 [ 6141.622251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6141.622251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6141.622251][ T1076] ___sys_sendmsg+0xee/0x170 [ 6141.622251][ T1076] __sys_sendmsg+0xcd/0x170 [ 6141.622251][ T1076] do_syscall_64+0xc6/0x1e0 [ 6141.622251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.622251][ T1076] [ 6141.624579][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6141.624579][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6141.624579][ T1076] ipv6_find_idev+0x102/0x170 [ 6141.624579][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.624579][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.624579][ T1076] netlink_rcv_skb+0x130/0x360 [ 6141.624579][ T1076] netlink_unicast+0x449/0x710 [ 6141.624579][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6141.624579][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6141.624579][ T1076] ___sys_sendmsg+0xee/0x170 [ 6141.624579][ T1076] __sys_sendmsg+0xcd/0x170 [ 6141.624579][ T1076] do_syscall_64+0xc6/0x1e0 [ 6141.624579][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.624579][ T1076] [ 6141.626318][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6141.626318][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6141.626318][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6141.626318][ T1076] ipv6_find_idev+0x102/0x170 [ 6141.626318][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.626318][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.626318][ T1076] netlink_rcv_skb+0x130/0x360 [ 6141.626318][ T1076] netlink_unicast+0x449/0x710 [ 6141.626318][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6141.626318][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6141.626318][ T1076] ___sys_sendmsg+0xee/0x170 [ 6141.626318][ T1076] __sys_sendmsg+0xcd/0x170 [ 6141.626318][ T1076] do_syscall_64+0xc6/0x1e0 [ 6141.626318][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.626318][ T1076] [ 6151.869705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6151.870241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6151.870241][ T1076] netdev_get_by_index+0x5e/0x80 [ 6151.870241][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6151.870241][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6151.870241][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6151.870241][ T1076] ipv6_add_addr+0x411/0x2000 [ 6151.870241][ T1076] inet6_addr_add+0x30e/0xa40 [ 6151.870241][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.870241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.870241][ T1076] netlink_rcv_skb+0x130/0x360 [ 6151.870241][ T1076] netlink_unicast+0x449/0x710 [ 6151.870241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6151.870241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6151.870241][ T1076] ___sys_sendmsg+0xee/0x170 [ 6151.870241][ T1076] __sys_sendmsg+0xcd/0x170 [ 6151.870241][ T1076] do_syscall_64+0xc6/0x1e0 [ 6151.870241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.870241][ T1076] [ 6151.872541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6151.872541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6151.872541][ T1076] ipv6_find_idev+0x102/0x170 [ 6151.872541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.872541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.872541][ T1076] netlink_rcv_skb+0x130/0x360 [ 6151.872541][ T1076] netlink_unicast+0x449/0x710 [ 6151.872541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6151.872541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6151.872541][ T1076] ___sys_sendmsg+0xee/0x170 [ 6151.872541][ T1076] __sys_sendmsg+0xcd/0x170 [ 6151.872541][ T1076] do_syscall_64+0xc6/0x1e0 [ 6151.872541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.872541][ T1076] [ 6151.874308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6151.874308][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6151.874308][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6151.874308][ T1076] ipv6_find_idev+0x102/0x170 [ 6151.874308][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.874308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.874308][ T1076] netlink_rcv_skb+0x130/0x360 [ 6151.874308][ T1076] netlink_unicast+0x449/0x710 [ 6151.874308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6151.874308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6151.874308][ T1076] ___sys_sendmsg+0xee/0x170 [ 6151.874308][ T1076] __sys_sendmsg+0xcd/0x170 [ 6151.874308][ T1076] do_syscall_64+0xc6/0x1e0 [ 6151.874308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.874308][ T1076] [ 6162.117653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6162.118148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6162.118148][ T1076] netdev_get_by_index+0x5e/0x80 [ 6162.118148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6162.118148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6162.118148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6162.118148][ T1076] ipv6_add_addr+0x411/0x2000 [ 6162.118148][ T1076] inet6_addr_add+0x30e/0xa40 [ 6162.118148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.118148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.118148][ T1076] netlink_rcv_skb+0x130/0x360 [ 6162.118148][ T1076] netlink_unicast+0x449/0x710 [ 6162.118148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6162.118148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6162.118148][ T1076] ___sys_sendmsg+0xee/0x170 [ 6162.118148][ T1076] __sys_sendmsg+0xcd/0x170 [ 6162.118148][ T1076] do_syscall_64+0xc6/0x1e0 [ 6162.118148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.118148][ T1076] [ 6162.120602][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6162.120602][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6162.120602][ T1076] ipv6_find_idev+0x102/0x170 [ 6162.120602][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.120602][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.120602][ T1076] netlink_rcv_skb+0x130/0x360 [ 6162.120602][ T1076] netlink_unicast+0x449/0x710 [ 6162.120602][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6162.120602][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6162.120602][ T1076] ___sys_sendmsg+0xee/0x170 [ 6162.120602][ T1076] __sys_sendmsg+0xcd/0x170 [ 6162.120602][ T1076] do_syscall_64+0xc6/0x1e0 [ 6162.120602][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.120602][ T1076] [ 6162.122450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6162.122450][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6162.122450][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6162.122450][ T1076] ipv6_find_idev+0x102/0x170 [ 6162.122450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.122450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.122450][ T1076] netlink_rcv_skb+0x130/0x360 [ 6162.122450][ T1076] netlink_unicast+0x449/0x710 [ 6162.122450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6162.122450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6162.122450][ T1076] ___sys_sendmsg+0xee/0x170 [ 6162.122450][ T1076] __sys_sendmsg+0xcd/0x170 [ 6162.122450][ T1076] do_syscall_64+0xc6/0x1e0 [ 6162.122450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.122450][ T1076] [ 6172.365640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6172.366158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6172.366158][ T1076] netdev_get_by_index+0x5e/0x80 [ 6172.366158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6172.366158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6172.366158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6172.366158][ T1076] ipv6_add_addr+0x411/0x2000 [ 6172.366158][ T1076] inet6_addr_add+0x30e/0xa40 [ 6172.366158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.366158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.366158][ T1076] netlink_rcv_skb+0x130/0x360 [ 6172.366158][ T1076] netlink_unicast+0x449/0x710 [ 6172.366158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6172.366158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6172.366158][ T1076] ___sys_sendmsg+0xee/0x170 [ 6172.366158][ T1076] __sys_sendmsg+0xcd/0x170 [ 6172.366158][ T1076] do_syscall_64+0xc6/0x1e0 [ 6172.366158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.366158][ T1076] [ 6172.368471][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6172.368471][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6172.368471][ T1076] ipv6_find_idev+0x102/0x170 [ 6172.368471][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.368471][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.368471][ T1076] netlink_rcv_skb+0x130/0x360 [ 6172.368471][ T1076] netlink_unicast+0x449/0x710 [ 6172.368471][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6172.368471][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6172.368471][ T1076] ___sys_sendmsg+0xee/0x170 [ 6172.368471][ T1076] __sys_sendmsg+0xcd/0x170 [ 6172.368471][ T1076] do_syscall_64+0xc6/0x1e0 [ 6172.368471][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.368471][ T1076] [ 6172.370238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6172.370238][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6172.370238][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6172.370238][ T1076] ipv6_find_idev+0x102/0x170 [ 6172.370238][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.370238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.370238][ T1076] netlink_rcv_skb+0x130/0x360 [ 6172.370238][ T1076] netlink_unicast+0x449/0x710 [ 6172.370238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6172.370238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6172.370238][ T1076] ___sys_sendmsg+0xee/0x170 [ 6172.370238][ T1076] __sys_sendmsg+0xcd/0x170 [ 6172.370238][ T1076] do_syscall_64+0xc6/0x1e0 [ 6172.370238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.370238][ T1076] [ 6182.613639][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6182.614117][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6182.614117][ T1076] netdev_get_by_index+0x5e/0x80 [ 6182.614117][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6182.614117][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6182.614117][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6182.614117][ T1076] ipv6_add_addr+0x411/0x2000 [ 6182.614117][ T1076] inet6_addr_add+0x30e/0xa40 [ 6182.614117][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.614117][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.614117][ T1076] netlink_rcv_skb+0x130/0x360 [ 6182.614117][ T1076] netlink_unicast+0x449/0x710 [ 6182.614117][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6182.614117][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6182.614117][ T1076] ___sys_sendmsg+0xee/0x170 [ 6182.614117][ T1076] __sys_sendmsg+0xcd/0x170 [ 6182.614117][ T1076] do_syscall_64+0xc6/0x1e0 [ 6182.614117][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.614117][ T1076] [ 6182.616461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6182.616461][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6182.616461][ T1076] ipv6_find_idev+0x102/0x170 [ 6182.616461][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.616461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.616461][ T1076] netlink_rcv_skb+0x130/0x360 [ 6182.616461][ T1076] netlink_unicast+0x449/0x710 [ 6182.616461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6182.616461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6182.616461][ T1076] ___sys_sendmsg+0xee/0x170 [ 6182.616461][ T1076] __sys_sendmsg+0xcd/0x170 [ 6182.616461][ T1076] do_syscall_64+0xc6/0x1e0 [ 6182.616461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.616461][ T1076] [ 6182.618339][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6182.618339][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6182.618339][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6182.618339][ T1076] ipv6_find_idev+0x102/0x170 [ 6182.618339][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.618339][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.618339][ T1076] netlink_rcv_skb+0x130/0x360 [ 6182.618339][ T1076] netlink_unicast+0x449/0x710 [ 6182.618339][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6182.618339][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6182.618339][ T1076] ___sys_sendmsg+0xee/0x170 [ 6182.618339][ T1076] __sys_sendmsg+0xcd/0x170 [ 6182.618339][ T1076] do_syscall_64+0xc6/0x1e0 [ 6182.618339][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.618339][ T1076] [ 6192.861640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6192.862191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6192.862191][ T1076] netdev_get_by_index+0x5e/0x80 [ 6192.862191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6192.862191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6192.862191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6192.862191][ T1076] ipv6_add_addr+0x411/0x2000 [ 6192.862191][ T1076] inet6_addr_add+0x30e/0xa40 [ 6192.862191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.862191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.862191][ T1076] netlink_rcv_skb+0x130/0x360 [ 6192.862191][ T1076] netlink_unicast+0x449/0x710 [ 6192.862191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6192.862191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6192.862191][ T1076] ___sys_sendmsg+0xee/0x170 [ 6192.862191][ T1076] __sys_sendmsg+0xcd/0x170 [ 6192.862191][ T1076] do_syscall_64+0xc6/0x1e0 [ 6192.862191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.862191][ T1076] [ 6192.864498][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6192.864498][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6192.864498][ T1076] ipv6_find_idev+0x102/0x170 [ 6192.864498][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.864498][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.864498][ T1076] netlink_rcv_skb+0x130/0x360 [ 6192.864498][ T1076] netlink_unicast+0x449/0x710 [ 6192.864498][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6192.864498][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6192.864498][ T1076] ___sys_sendmsg+0xee/0x170 [ 6192.864498][ T1076] __sys_sendmsg+0xcd/0x170 [ 6192.864498][ T1076] do_syscall_64+0xc6/0x1e0 [ 6192.864498][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.864498][ T1076] [ 6192.866264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6192.866264][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6192.866264][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6192.866264][ T1076] ipv6_find_idev+0x102/0x170 [ 6192.866264][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.866264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.866264][ T1076] netlink_rcv_skb+0x130/0x360 [ 6192.866264][ T1076] netlink_unicast+0x449/0x710 [ 6192.866264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6192.866264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6192.866264][ T1076] ___sys_sendmsg+0xee/0x170 [ 6192.866264][ T1076] __sys_sendmsg+0xcd/0x170 [ 6192.866264][ T1076] do_syscall_64+0xc6/0x1e0 [ 6192.866264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.866264][ T1076] [ 6203.109643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6203.110173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6203.110173][ T1076] netdev_get_by_index+0x5e/0x80 [ 6203.110173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6203.110173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6203.110173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6203.110173][ T1076] ipv6_add_addr+0x411/0x2000 [ 6203.110173][ T1076] inet6_addr_add+0x30e/0xa40 [ 6203.110173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.110173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.110173][ T1076] netlink_rcv_skb+0x130/0x360 [ 6203.110173][ T1076] netlink_unicast+0x449/0x710 [ 6203.110173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6203.110173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6203.110173][ T1076] ___sys_sendmsg+0xee/0x170 [ 6203.110173][ T1076] __sys_sendmsg+0xcd/0x170 [ 6203.110173][ T1076] do_syscall_64+0xc6/0x1e0 [ 6203.110173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.110173][ T1076] [ 6203.112487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6203.112487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6203.112487][ T1076] ipv6_find_idev+0x102/0x170 [ 6203.112487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.112487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.112487][ T1076] netlink_rcv_skb+0x130/0x360 [ 6203.112487][ T1076] netlink_unicast+0x449/0x710 [ 6203.112487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6203.112487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6203.112487][ T1076] ___sys_sendmsg+0xee/0x170 [ 6203.112487][ T1076] __sys_sendmsg+0xcd/0x170 [ 6203.112487][ T1076] do_syscall_64+0xc6/0x1e0 [ 6203.112487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.112487][ T1076] [ 6203.114262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6203.114262][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6203.114262][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6203.114262][ T1076] ipv6_find_idev+0x102/0x170 [ 6203.114262][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.114262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.114262][ T1076] netlink_rcv_skb+0x130/0x360 [ 6203.114262][ T1076] netlink_unicast+0x449/0x710 [ 6203.114262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6203.114262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6203.114262][ T1076] ___sys_sendmsg+0xee/0x170 [ 6203.114262][ T1076] __sys_sendmsg+0xcd/0x170 [ 6203.114262][ T1076] do_syscall_64+0xc6/0x1e0 [ 6203.114262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.114262][ T1076] [ 6213.357632][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6213.358191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6213.358191][ T1076] netdev_get_by_index+0x5e/0x80 [ 6213.358191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6213.358191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6213.358191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6213.358191][ T1076] ipv6_add_addr+0x411/0x2000 [ 6213.358191][ T1076] inet6_addr_add+0x30e/0xa40 [ 6213.358191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.358191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.358191][ T1076] netlink_rcv_skb+0x130/0x360 [ 6213.358191][ T1076] netlink_unicast+0x449/0x710 [ 6213.358191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6213.358191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6213.358191][ T1076] ___sys_sendmsg+0xee/0x170 [ 6213.358191][ T1076] __sys_sendmsg+0xcd/0x170 [ 6213.358191][ T1076] do_syscall_64+0xc6/0x1e0 [ 6213.358191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.358191][ T1076] [ 6213.360482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6213.360482][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6213.360482][ T1076] ipv6_find_idev+0x102/0x170 [ 6213.360482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.360482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.360482][ T1076] netlink_rcv_skb+0x130/0x360 [ 6213.360482][ T1076] netlink_unicast+0x449/0x710 [ 6213.360482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6213.360482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6213.360482][ T1076] ___sys_sendmsg+0xee/0x170 [ 6213.360482][ T1076] __sys_sendmsg+0xcd/0x170 [ 6213.360482][ T1076] do_syscall_64+0xc6/0x1e0 [ 6213.360482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.360482][ T1076] [ 6213.362266][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6213.362266][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6213.362266][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6213.362266][ T1076] ipv6_find_idev+0x102/0x170 [ 6213.362266][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.362266][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.362266][ T1076] netlink_rcv_skb+0x130/0x360 [ 6213.362266][ T1076] netlink_unicast+0x449/0x710 [ 6213.362266][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6213.362266][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6213.362266][ T1076] ___sys_sendmsg+0xee/0x170 [ 6213.362266][ T1076] __sys_sendmsg+0xcd/0x170 [ 6213.362266][ T1076] do_syscall_64+0xc6/0x1e0 [ 6213.362266][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.362266][ T1076] [ 6223.605642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6223.606158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6223.606158][ T1076] netdev_get_by_index+0x5e/0x80 [ 6223.606158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6223.606158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6223.606158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6223.606158][ T1076] ipv6_add_addr+0x411/0x2000 [ 6223.606158][ T1076] inet6_addr_add+0x30e/0xa40 [ 6223.606158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.606158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.606158][ T1076] netlink_rcv_skb+0x130/0x360 [ 6223.606158][ T1076] netlink_unicast+0x449/0x710 [ 6223.606158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6223.606158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6223.606158][ T1076] ___sys_sendmsg+0xee/0x170 [ 6223.606158][ T1076] __sys_sendmsg+0xcd/0x170 [ 6223.606158][ T1076] do_syscall_64+0xc6/0x1e0 [ 6223.606158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.606158][ T1076] [ 6223.608457][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6223.608457][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6223.608457][ T1076] ipv6_find_idev+0x102/0x170 [ 6223.608457][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.608457][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.608457][ T1076] netlink_rcv_skb+0x130/0x360 [ 6223.608457][ T1076] netlink_unicast+0x449/0x710 [ 6223.608457][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6223.608457][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6223.608457][ T1076] ___sys_sendmsg+0xee/0x170 [ 6223.608457][ T1076] __sys_sendmsg+0xcd/0x170 [ 6223.608457][ T1076] do_syscall_64+0xc6/0x1e0 [ 6223.608457][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.608457][ T1076] [ 6223.610207][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6223.610207][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6223.610207][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6223.610207][ T1076] ipv6_find_idev+0x102/0x170 [ 6223.610207][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.610207][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.610207][ T1076] netlink_rcv_skb+0x130/0x360 [ 6223.610207][ T1076] netlink_unicast+0x449/0x710 [ 6223.610207][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6223.610207][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6223.610207][ T1076] ___sys_sendmsg+0xee/0x170 [ 6223.610207][ T1076] __sys_sendmsg+0xcd/0x170 [ 6223.610207][ T1076] do_syscall_64+0xc6/0x1e0 [ 6223.610207][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.610207][ T1076] [ 6233.773672][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6233.774214][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6233.774214][ T1076] netdev_get_by_index+0x5e/0x80 [ 6233.774214][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6233.774214][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6233.774214][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6233.774214][ T1076] ipv6_add_addr+0x411/0x2000 [ 6233.774214][ T1076] inet6_addr_add+0x30e/0xa40 [ 6233.774214][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.774214][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.774214][ T1076] netlink_rcv_skb+0x130/0x360 [ 6233.774214][ T1076] netlink_unicast+0x449/0x710 [ 6233.774214][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6233.774214][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6233.774214][ T1076] ___sys_sendmsg+0xee/0x170 [ 6233.774214][ T1076] __sys_sendmsg+0xcd/0x170 [ 6233.774214][ T1076] do_syscall_64+0xc6/0x1e0 [ 6233.774214][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.774214][ T1076] [ 6233.776503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6233.776503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6233.776503][ T1076] ipv6_find_idev+0x102/0x170 [ 6233.776503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.776503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.776503][ T1076] netlink_rcv_skb+0x130/0x360 [ 6233.776503][ T1076] netlink_unicast+0x449/0x710 [ 6233.776503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6233.776503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6233.776503][ T1076] ___sys_sendmsg+0xee/0x170 [ 6233.776503][ T1076] __sys_sendmsg+0xcd/0x170 [ 6233.776503][ T1076] do_syscall_64+0xc6/0x1e0 [ 6233.776503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.776503][ T1076] [ 6233.778247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6233.778247][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6233.778247][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6233.778247][ T1076] ipv6_find_idev+0x102/0x170 [ 6233.778247][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.778247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.778247][ T1076] netlink_rcv_skb+0x130/0x360 [ 6233.778247][ T1076] netlink_unicast+0x449/0x710 [ 6233.778247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6233.778247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6233.778247][ T1076] ___sys_sendmsg+0xee/0x170 [ 6233.778247][ T1076] __sys_sendmsg+0xcd/0x170 [ 6233.778247][ T1076] do_syscall_64+0xc6/0x1e0 [ 6233.778247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.778247][ T1076] [ 6244.021646][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6244.022168][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6244.022168][ T1076] netdev_get_by_index+0x5e/0x80 [ 6244.022168][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6244.022168][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6244.022168][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6244.022168][ T1076] ipv6_add_addr+0x411/0x2000 [ 6244.022168][ T1076] inet6_addr_add+0x30e/0xa40 [ 6244.022168][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.022168][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.022168][ T1076] netlink_rcv_skb+0x130/0x360 [ 6244.022168][ T1076] netlink_unicast+0x449/0x710 [ 6244.022168][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6244.022168][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6244.022168][ T1076] ___sys_sendmsg+0xee/0x170 [ 6244.022168][ T1076] __sys_sendmsg+0xcd/0x170 [ 6244.022168][ T1076] do_syscall_64+0xc6/0x1e0 [ 6244.022168][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.022168][ T1076] [ 6244.024481][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6244.024481][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6244.024481][ T1076] ipv6_find_idev+0x102/0x170 [ 6244.024481][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.024481][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.024481][ T1076] netlink_rcv_skb+0x130/0x360 [ 6244.024481][ T1076] netlink_unicast+0x449/0x710 [ 6244.024481][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6244.024481][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6244.024481][ T1076] ___sys_sendmsg+0xee/0x170 [ 6244.024481][ T1076] __sys_sendmsg+0xcd/0x170 [ 6244.024481][ T1076] do_syscall_64+0xc6/0x1e0 [ 6244.024481][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.024481][ T1076] [ 6244.026228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6244.026228][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6244.026228][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6244.026228][ T1076] ipv6_find_idev+0x102/0x170 [ 6244.026228][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.026228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.026228][ T1076] netlink_rcv_skb+0x130/0x360 [ 6244.026228][ T1076] netlink_unicast+0x449/0x710 [ 6244.026228][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6244.026228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6244.026228][ T1076] ___sys_sendmsg+0xee/0x170 [ 6244.026228][ T1076] __sys_sendmsg+0xcd/0x170 [ 6244.026228][ T1076] do_syscall_64+0xc6/0x1e0 [ 6244.026228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.026228][ T1076] [ 6254.269658][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6254.270191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6254.270191][ T1076] netdev_get_by_index+0x5e/0x80 [ 6254.270191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6254.270191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6254.270191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6254.270191][ T1076] ipv6_add_addr+0x411/0x2000 [ 6254.270191][ T1076] inet6_addr_add+0x30e/0xa40 [ 6254.270191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.270191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.270191][ T1076] netlink_rcv_skb+0x130/0x360 [ 6254.270191][ T1076] netlink_unicast+0x449/0x710 [ 6254.270191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6254.270191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6254.270191][ T1076] ___sys_sendmsg+0xee/0x170 [ 6254.270191][ T1076] __sys_sendmsg+0xcd/0x170 [ 6254.270191][ T1076] do_syscall_64+0xc6/0x1e0 [ 6254.270191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.270191][ T1076] [ 6254.272479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6254.272479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6254.272479][ T1076] ipv6_find_idev+0x102/0x170 [ 6254.272479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.272479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.272479][ T1076] netlink_rcv_skb+0x130/0x360 [ 6254.272479][ T1076] netlink_unicast+0x449/0x710 [ 6254.272479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6254.272479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6254.272479][ T1076] ___sys_sendmsg+0xee/0x170 [ 6254.272479][ T1076] __sys_sendmsg+0xcd/0x170 [ 6254.272479][ T1076] do_syscall_64+0xc6/0x1e0 [ 6254.272479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.272479][ T1076] [ 6254.274324][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6254.274324][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6254.274324][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6254.274324][ T1076] ipv6_find_idev+0x102/0x170 [ 6254.274324][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.274324][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.274324][ T1076] netlink_rcv_skb+0x130/0x360 [ 6254.274324][ T1076] netlink_unicast+0x449/0x710 [ 6254.274324][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6254.274324][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6254.274324][ T1076] ___sys_sendmsg+0xee/0x170 [ 6254.274324][ T1076] __sys_sendmsg+0xcd/0x170 [ 6254.274324][ T1076] do_syscall_64+0xc6/0x1e0 [ 6254.274324][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.274324][ T1076] [ 6264.517650][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6264.518164][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6264.518164][ T1076] netdev_get_by_index+0x5e/0x80 [ 6264.518164][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6264.518164][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6264.518164][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6264.518164][ T1076] ipv6_add_addr+0x411/0x2000 [ 6264.518164][ T1076] inet6_addr_add+0x30e/0xa40 [ 6264.518164][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.518164][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.518164][ T1076] netlink_rcv_skb+0x130/0x360 [ 6264.518164][ T1076] netlink_unicast+0x449/0x710 [ 6264.518164][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6264.518164][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6264.518164][ T1076] ___sys_sendmsg+0xee/0x170 [ 6264.518164][ T1076] __sys_sendmsg+0xcd/0x170 [ 6264.518164][ T1076] do_syscall_64+0xc6/0x1e0 [ 6264.518164][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.518164][ T1076] [ 6264.520446][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6264.520446][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6264.520446][ T1076] ipv6_find_idev+0x102/0x170 [ 6264.520446][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.520446][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.520446][ T1076] netlink_rcv_skb+0x130/0x360 [ 6264.520446][ T1076] netlink_unicast+0x449/0x710 [ 6264.520446][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6264.520446][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6264.520446][ T1076] ___sys_sendmsg+0xee/0x170 [ 6264.520446][ T1076] __sys_sendmsg+0xcd/0x170 [ 6264.520446][ T1076] do_syscall_64+0xc6/0x1e0 [ 6264.520446][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.520446][ T1076] [ 6264.522196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6264.522196][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6264.522196][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6264.522196][ T1076] ipv6_find_idev+0x102/0x170 [ 6264.522196][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.522196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.522196][ T1076] netlink_rcv_skb+0x130/0x360 [ 6264.522196][ T1076] netlink_unicast+0x449/0x710 [ 6264.522196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6264.522196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6264.522196][ T1076] ___sys_sendmsg+0xee/0x170 [ 6264.522196][ T1076] __sys_sendmsg+0xcd/0x170 [ 6264.522196][ T1076] do_syscall_64+0xc6/0x1e0 [ 6264.522196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.522196][ T1076] [ 6274.765662][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6274.766197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6274.766197][ T1076] netdev_get_by_index+0x5e/0x80 [ 6274.766197][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6274.766197][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6274.766197][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6274.766197][ T1076] ipv6_add_addr+0x411/0x2000 [ 6274.766197][ T1076] inet6_addr_add+0x30e/0xa40 [ 6274.766197][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.766197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.766197][ T1076] netlink_rcv_skb+0x130/0x360 [ 6274.766197][ T1076] netlink_unicast+0x449/0x710 [ 6274.766197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6274.766197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6274.766197][ T1076] ___sys_sendmsg+0xee/0x170 [ 6274.766197][ T1076] __sys_sendmsg+0xcd/0x170 [ 6274.766197][ T1076] do_syscall_64+0xc6/0x1e0 [ 6274.766197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.766197][ T1076] [ 6274.768481][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6274.768481][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6274.768481][ T1076] ipv6_find_idev+0x102/0x170 [ 6274.768481][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.768481][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.768481][ T1076] netlink_rcv_skb+0x130/0x360 [ 6274.768481][ T1076] netlink_unicast+0x449/0x710 [ 6274.768481][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6274.768481][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6274.768481][ T1076] ___sys_sendmsg+0xee/0x170 [ 6274.768481][ T1076] __sys_sendmsg+0xcd/0x170 [ 6274.768481][ T1076] do_syscall_64+0xc6/0x1e0 [ 6274.768481][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.768481][ T1076] [ 6274.770240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6274.770240][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6274.770240][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6274.770240][ T1076] ipv6_find_idev+0x102/0x170 [ 6274.770240][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.770240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.770240][ T1076] netlink_rcv_skb+0x130/0x360 [ 6274.770240][ T1076] netlink_unicast+0x449/0x710 [ 6274.770240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6274.770240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6274.770240][ T1076] ___sys_sendmsg+0xee/0x170 [ 6274.770240][ T1076] __sys_sendmsg+0xcd/0x170 [ 6274.770240][ T1076] do_syscall_64+0xc6/0x1e0 [ 6274.770240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.770240][ T1076] [ 6285.013652][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6285.014209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6285.014209][ T1076] netdev_get_by_index+0x5e/0x80 [ 6285.014209][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6285.014209][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6285.014209][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6285.014209][ T1076] ipv6_add_addr+0x411/0x2000 [ 6285.014209][ T1076] inet6_addr_add+0x30e/0xa40 [ 6285.014209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.014209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.014209][ T1076] netlink_rcv_skb+0x130/0x360 [ 6285.014209][ T1076] netlink_unicast+0x449/0x710 [ 6285.014209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6285.014209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6285.014209][ T1076] ___sys_sendmsg+0xee/0x170 [ 6285.014209][ T1076] __sys_sendmsg+0xcd/0x170 [ 6285.014209][ T1076] do_syscall_64+0xc6/0x1e0 [ 6285.014209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.014209][ T1076] [ 6285.016486][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6285.016486][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6285.016486][ T1076] ipv6_find_idev+0x102/0x170 [ 6285.016486][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.016486][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.016486][ T1076] netlink_rcv_skb+0x130/0x360 [ 6285.016486][ T1076] netlink_unicast+0x449/0x710 [ 6285.016486][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6285.016486][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6285.016486][ T1076] ___sys_sendmsg+0xee/0x170 [ 6285.016486][ T1076] __sys_sendmsg+0xcd/0x170 [ 6285.016486][ T1076] do_syscall_64+0xc6/0x1e0 [ 6285.016486][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.016486][ T1076] [ 6285.018239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6285.018239][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6285.018239][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6285.018239][ T1076] ipv6_find_idev+0x102/0x170 [ 6285.018239][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.018239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.018239][ T1076] netlink_rcv_skb+0x130/0x360 [ 6285.018239][ T1076] netlink_unicast+0x449/0x710 [ 6285.018239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6285.018239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6285.018239][ T1076] ___sys_sendmsg+0xee/0x170 [ 6285.018239][ T1076] __sys_sendmsg+0xcd/0x170 [ 6285.018239][ T1076] do_syscall_64+0xc6/0x1e0 [ 6285.018239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.018239][ T1076] [ 6295.117703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6295.118229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6295.118229][ T1076] netdev_get_by_index+0x5e/0x80 [ 6295.118229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6295.118229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6295.118229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6295.118229][ T1076] ipv6_add_addr+0x411/0x2000 [ 6295.118229][ T1076] inet6_addr_add+0x30e/0xa40 [ 6295.118229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.118229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.118229][ T1076] netlink_rcv_skb+0x130/0x360 [ 6295.118229][ T1076] netlink_unicast+0x449/0x710 [ 6295.118229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6295.118229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6295.118229][ T1076] ___sys_sendmsg+0xee/0x170 [ 6295.118229][ T1076] __sys_sendmsg+0xcd/0x170 [ 6295.118229][ T1076] do_syscall_64+0xc6/0x1e0 [ 6295.118229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.118229][ T1076] [ 6295.120522][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6295.120522][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6295.120522][ T1076] ipv6_find_idev+0x102/0x170 [ 6295.120522][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.120522][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.120522][ T1076] netlink_rcv_skb+0x130/0x360 [ 6295.120522][ T1076] netlink_unicast+0x449/0x710 [ 6295.120522][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6295.120522][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6295.120522][ T1076] ___sys_sendmsg+0xee/0x170 [ 6295.120522][ T1076] __sys_sendmsg+0xcd/0x170 [ 6295.120522][ T1076] do_syscall_64+0xc6/0x1e0 [ 6295.120522][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.120522][ T1076] [ 6295.122276][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6295.122276][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6295.122276][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6295.122276][ T1076] ipv6_find_idev+0x102/0x170 [ 6295.122276][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.122276][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.122276][ T1076] netlink_rcv_skb+0x130/0x360 [ 6295.122276][ T1076] netlink_unicast+0x449/0x710 [ 6295.122276][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6295.122276][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6295.122276][ T1076] ___sys_sendmsg+0xee/0x170 [ 6295.122276][ T1076] __sys_sendmsg+0xcd/0x170 [ 6295.122276][ T1076] do_syscall_64+0xc6/0x1e0 [ 6295.122276][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.122276][ T1076] [ 6305.365648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6305.366178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6305.366178][ T1076] netdev_get_by_index+0x5e/0x80 [ 6305.366178][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6305.366178][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6305.366178][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6305.366178][ T1076] ipv6_add_addr+0x411/0x2000 [ 6305.366178][ T1076] inet6_addr_add+0x30e/0xa40 [ 6305.366178][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.366178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.366178][ T1076] netlink_rcv_skb+0x130/0x360 [ 6305.366178][ T1076] netlink_unicast+0x449/0x710 [ 6305.366178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6305.366178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6305.366178][ T1076] ___sys_sendmsg+0xee/0x170 [ 6305.366178][ T1076] __sys_sendmsg+0xcd/0x170 [ 6305.366178][ T1076] do_syscall_64+0xc6/0x1e0 [ 6305.366178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.366178][ T1076] [ 6305.368465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6305.368465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6305.368465][ T1076] ipv6_find_idev+0x102/0x170 [ 6305.368465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.368465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.368465][ T1076] netlink_rcv_skb+0x130/0x360 [ 6305.368465][ T1076] netlink_unicast+0x449/0x710 [ 6305.368465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6305.368465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6305.368465][ T1076] ___sys_sendmsg+0xee/0x170 [ 6305.368465][ T1076] __sys_sendmsg+0xcd/0x170 [ 6305.368465][ T1076] do_syscall_64+0xc6/0x1e0 [ 6305.368465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.368465][ T1076] [ 6305.370213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6305.370213][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6305.370213][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6305.370213][ T1076] ipv6_find_idev+0x102/0x170 [ 6305.370213][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.370213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.370213][ T1076] netlink_rcv_skb+0x130/0x360 [ 6305.370213][ T1076] netlink_unicast+0x449/0x710 [ 6305.370213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6305.370213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6305.370213][ T1076] ___sys_sendmsg+0xee/0x170 [ 6305.370213][ T1076] __sys_sendmsg+0xcd/0x170 [ 6305.370213][ T1076] do_syscall_64+0xc6/0x1e0 [ 6305.370213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.370213][ T1076] [ 6315.613742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6315.614262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6315.614262][ T1076] netdev_get_by_index+0x5e/0x80 [ 6315.614262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6315.614262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6315.614262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6315.614262][ T1076] ipv6_add_addr+0x411/0x2000 [ 6315.614262][ T1076] inet6_addr_add+0x30e/0xa40 [ 6315.614262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6315.614262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6315.614262][ T1076] netlink_rcv_skb+0x130/0x360 [ 6315.614262][ T1076] netlink_unicast+0x449/0x710 [ 6315.614262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6315.614262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6315.614262][ T1076] ___sys_sendmsg+0xee/0x170 [ 6315.614262][ T1076] __sys_sendmsg+0xcd/0x170 [ 6315.614262][ T1076] do_syscall_64+0xc6/0x1e0 [ 6315.614262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6315.614262][ T1076] [ 6315.616527][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6315.616527][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6315.616527][ T1076] ipv6_find_idev+0x102/0x170 [ 6315.616527][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6315.616527][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6315.616527][ T1076] netlink_rcv_skb+0x130/0x360 [ 6315.616527][ T1076] netlink_unicast+0x449/0x710 [ 6315.616527][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6315.616527][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6315.616527][ T1076] ___sys_sendmsg+0xee/0x170 [ 6315.616527][ T1076] __sys_sendmsg+0xcd/0x170 [ 6315.616527][ T1076] do_syscall_64+0xc6/0x1e0 [ 6315.616527][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6315.616527][ T1076] [ 6315.618261][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6315.618261][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6315.618261][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6315.618261][ T1076] ipv6_find_idev+0x102/0x170 [ 6315.618261][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6315.618261][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6315.618261][ T1076] netlink_rcv_skb+0x130/0x360 [ 6315.618261][ T1076] netlink_unicast+0x449/0x710 [ 6315.618261][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6315.618261][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6315.618261][ T1076] ___sys_sendmsg+0xee/0x170 [ 6315.618261][ T1076] __sys_sendmsg+0xcd/0x170 [ 6315.618261][ T1076] do_syscall_64+0xc6/0x1e0 [ 6315.618261][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6315.618261][ T1076] [ 6325.861726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6325.862176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6325.862176][ T1076] netdev_get_by_index+0x5e/0x80 [ 6325.862176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6325.862176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6325.862176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6325.862176][ T1076] ipv6_add_addr+0x411/0x2000 [ 6325.862176][ T1076] inet6_addr_add+0x30e/0xa40 [ 6325.862176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6325.862176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.862176][ T1076] netlink_rcv_skb+0x130/0x360 [ 6325.862176][ T1076] netlink_unicast+0x449/0x710 [ 6325.862176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6325.862176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6325.862176][ T1076] ___sys_sendmsg+0xee/0x170 [ 6325.862176][ T1076] __sys_sendmsg+0xcd/0x170 [ 6325.862176][ T1076] do_syscall_64+0xc6/0x1e0 [ 6325.862176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.862176][ T1076] [ 6325.864457][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6325.864457][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6325.864457][ T1076] ipv6_find_idev+0x102/0x170 [ 6325.864457][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6325.864457][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.864457][ T1076] netlink_rcv_skb+0x130/0x360 [ 6325.864457][ T1076] netlink_unicast+0x449/0x710 [ 6325.864457][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6325.864457][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6325.864457][ T1076] ___sys_sendmsg+0xee/0x170 [ 6325.864457][ T1076] __sys_sendmsg+0xcd/0x170 [ 6325.864457][ T1076] do_syscall_64+0xc6/0x1e0 [ 6325.864457][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.864457][ T1076] [ 6325.866184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6325.866184][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6325.866184][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6325.866184][ T1076] ipv6_find_idev+0x102/0x170 [ 6325.866184][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6325.866184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.866184][ T1076] netlink_rcv_skb+0x130/0x360 [ 6325.866184][ T1076] netlink_unicast+0x449/0x710 [ 6325.866184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6325.866184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6325.866184][ T1076] ___sys_sendmsg+0xee/0x170 [ 6325.866184][ T1076] __sys_sendmsg+0xcd/0x170 [ 6325.866184][ T1076] do_syscall_64+0xc6/0x1e0 [ 6325.866184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.866184][ T1076] [ 6336.109720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6336.110259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6336.110259][ T1076] netdev_get_by_index+0x5e/0x80 [ 6336.110259][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6336.110259][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6336.110259][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6336.110259][ T1076] ipv6_add_addr+0x411/0x2000 [ 6336.110259][ T1076] inet6_addr_add+0x30e/0xa40 [ 6336.110259][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.110259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.110259][ T1076] netlink_rcv_skb+0x130/0x360 [ 6336.110259][ T1076] netlink_unicast+0x449/0x710 [ 6336.110259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6336.110259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6336.110259][ T1076] ___sys_sendmsg+0xee/0x170 [ 6336.110259][ T1076] __sys_sendmsg+0xcd/0x170 [ 6336.110259][ T1076] do_syscall_64+0xc6/0x1e0 [ 6336.110259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.110259][ T1076] [ 6336.112565][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6336.112565][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6336.112565][ T1076] ipv6_find_idev+0x102/0x170 [ 6336.112565][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.112565][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.112565][ T1076] netlink_rcv_skb+0x130/0x360 [ 6336.112565][ T1076] netlink_unicast+0x449/0x710 [ 6336.112565][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6336.112565][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6336.112565][ T1076] ___sys_sendmsg+0xee/0x170 [ 6336.112565][ T1076] __sys_sendmsg+0xcd/0x170 [ 6336.112565][ T1076] do_syscall_64+0xc6/0x1e0 [ 6336.112565][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.112565][ T1076] [ 6336.114336][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6336.114336][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6336.114336][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6336.114336][ T1076] ipv6_find_idev+0x102/0x170 [ 6336.114336][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.114336][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.114336][ T1076] netlink_rcv_skb+0x130/0x360 [ 6336.114336][ T1076] netlink_unicast+0x449/0x710 [ 6336.114336][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6336.114336][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6336.114336][ T1076] ___sys_sendmsg+0xee/0x170 [ 6336.114336][ T1076] __sys_sendmsg+0xcd/0x170 [ 6336.114336][ T1076] do_syscall_64+0xc6/0x1e0 [ 6336.114336][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.114336][ T1076] [ 6346.205741][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6346.206279][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6346.206279][ T1076] netdev_get_by_index+0x5e/0x80 [ 6346.206279][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6346.206279][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6346.206279][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6346.206279][ T1076] ipv6_add_addr+0x411/0x2000 [ 6346.206279][ T1076] inet6_addr_add+0x30e/0xa40 [ 6346.206279][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.206279][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.206279][ T1076] netlink_rcv_skb+0x130/0x360 [ 6346.206279][ T1076] netlink_unicast+0x449/0x710 [ 6346.206279][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6346.206279][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6346.206279][ T1076] ___sys_sendmsg+0xee/0x170 [ 6346.206279][ T1076] __sys_sendmsg+0xcd/0x170 [ 6346.206279][ T1076] do_syscall_64+0xc6/0x1e0 [ 6346.206279][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.206279][ T1076] [ 6346.208605][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6346.208605][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6346.208605][ T1076] ipv6_find_idev+0x102/0x170 [ 6346.208605][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.208605][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.208605][ T1076] netlink_rcv_skb+0x130/0x360 [ 6346.208605][ T1076] netlink_unicast+0x449/0x710 [ 6346.208605][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6346.208605][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6346.208605][ T1076] ___sys_sendmsg+0xee/0x170 [ 6346.208605][ T1076] __sys_sendmsg+0xcd/0x170 [ 6346.208605][ T1076] do_syscall_64+0xc6/0x1e0 [ 6346.208605][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.208605][ T1076] [ 6346.210350][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6346.210350][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6346.210350][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6346.210350][ T1076] ipv6_find_idev+0x102/0x170 [ 6346.210350][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.210350][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.210350][ T1076] netlink_rcv_skb+0x130/0x360 [ 6346.210350][ T1076] netlink_unicast+0x449/0x710 [ 6346.210350][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6346.210350][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6346.210350][ T1076] ___sys_sendmsg+0xee/0x170 [ 6346.210350][ T1076] __sys_sendmsg+0xcd/0x170 [ 6346.210350][ T1076] do_syscall_64+0xc6/0x1e0 [ 6346.210350][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.210350][ T1076] [ 6356.453641][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6356.454189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6356.454189][ T1076] netdev_get_by_index+0x5e/0x80 [ 6356.454189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6356.454189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6356.454189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6356.454189][ T1076] ipv6_add_addr+0x411/0x2000 [ 6356.454189][ T1076] inet6_addr_add+0x30e/0xa40 [ 6356.454189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6356.454189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6356.454189][ T1076] netlink_rcv_skb+0x130/0x360 [ 6356.454189][ T1076] netlink_unicast+0x449/0x710 [ 6356.454189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6356.454189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6356.454189][ T1076] ___sys_sendmsg+0xee/0x170 [ 6356.454189][ T1076] __sys_sendmsg+0xcd/0x170 [ 6356.454189][ T1076] do_syscall_64+0xc6/0x1e0 [ 6356.454189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6356.454189][ T1076] [ 6356.456471][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6356.456471][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6356.456471][ T1076] ipv6_find_idev+0x102/0x170 [ 6356.456471][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6356.456471][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6356.456471][ T1076] netlink_rcv_skb+0x130/0x360 [ 6356.456471][ T1076] netlink_unicast+0x449/0x710 [ 6356.456471][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6356.456471][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6356.456471][ T1076] ___sys_sendmsg+0xee/0x170 [ 6356.456471][ T1076] __sys_sendmsg+0xcd/0x170 [ 6356.456471][ T1076] do_syscall_64+0xc6/0x1e0 [ 6356.456471][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6356.456471][ T1076] [ 6356.458215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6356.458215][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6356.458215][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6356.458215][ T1076] ipv6_find_idev+0x102/0x170 [ 6356.458215][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6356.458215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6356.458215][ T1076] netlink_rcv_skb+0x130/0x360 [ 6356.458215][ T1076] netlink_unicast+0x449/0x710 [ 6356.458215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6356.458215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6356.458215][ T1076] ___sys_sendmsg+0xee/0x170 [ 6356.458215][ T1076] __sys_sendmsg+0xcd/0x170 [ 6356.458215][ T1076] do_syscall_64+0xc6/0x1e0 [ 6356.458215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6356.458215][ T1076] [ 6366.701709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6366.702253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6366.702253][ T1076] netdev_get_by_index+0x5e/0x80 [ 6366.702253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6366.702253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6366.702253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6366.702253][ T1076] ipv6_add_addr+0x411/0x2000 [ 6366.702253][ T1076] inet6_addr_add+0x30e/0xa40 [ 6366.702253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6366.702253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.702253][ T1076] netlink_rcv_skb+0x130/0x360 [ 6366.702253][ T1076] netlink_unicast+0x449/0x710 [ 6366.702253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6366.702253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6366.702253][ T1076] ___sys_sendmsg+0xee/0x170 [ 6366.702253][ T1076] __sys_sendmsg+0xcd/0x170 [ 6366.702253][ T1076] do_syscall_64+0xc6/0x1e0 [ 6366.702253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.702253][ T1076] [ 6366.704566][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6366.704566][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6366.704566][ T1076] ipv6_find_idev+0x102/0x170 [ 6366.704566][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6366.704566][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.704566][ T1076] netlink_rcv_skb+0x130/0x360 [ 6366.704566][ T1076] netlink_unicast+0x449/0x710 [ 6366.704566][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6366.704566][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6366.704566][ T1076] ___sys_sendmsg+0xee/0x170 [ 6366.704566][ T1076] __sys_sendmsg+0xcd/0x170 [ 6366.704566][ T1076] do_syscall_64+0xc6/0x1e0 [ 6366.704566][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.704566][ T1076] [ 6366.706313][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6366.706313][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6366.706313][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6366.706313][ T1076] ipv6_find_idev+0x102/0x170 [ 6366.706313][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6366.706313][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.706313][ T1076] netlink_rcv_skb+0x130/0x360 [ 6366.706313][ T1076] netlink_unicast+0x449/0x710 [ 6366.706313][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6366.706313][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6366.706313][ T1076] ___sys_sendmsg+0xee/0x170 [ 6366.706313][ T1076] __sys_sendmsg+0xcd/0x170 [ 6366.706313][ T1076] do_syscall_64+0xc6/0x1e0 [ 6366.706313][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.706313][ T1076] [ 6376.949732][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6376.950271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6376.950271][ T1076] netdev_get_by_index+0x5e/0x80 [ 6376.950271][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6376.950271][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6376.950271][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6376.950271][ T1076] ipv6_add_addr+0x411/0x2000 [ 6376.950271][ T1076] inet6_addr_add+0x30e/0xa40 [ 6376.950271][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6376.950271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.950271][ T1076] netlink_rcv_skb+0x130/0x360 [ 6376.950271][ T1076] netlink_unicast+0x449/0x710 [ 6376.950271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6376.950271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6376.950271][ T1076] ___sys_sendmsg+0xee/0x170 [ 6376.950271][ T1076] __sys_sendmsg+0xcd/0x170 [ 6376.950271][ T1076] do_syscall_64+0xc6/0x1e0 [ 6376.950271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.950271][ T1076] [ 6376.952556][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6376.952556][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6376.952556][ T1076] ipv6_find_idev+0x102/0x170 [ 6376.952556][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6376.952556][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.952556][ T1076] netlink_rcv_skb+0x130/0x360 [ 6376.952556][ T1076] netlink_unicast+0x449/0x710 [ 6376.952556][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6376.952556][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6376.952556][ T1076] ___sys_sendmsg+0xee/0x170 [ 6376.952556][ T1076] __sys_sendmsg+0xcd/0x170 [ 6376.952556][ T1076] do_syscall_64+0xc6/0x1e0 [ 6376.952556][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.952556][ T1076] [ 6376.954314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6376.954314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6376.954314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6376.954314][ T1076] ipv6_find_idev+0x102/0x170 [ 6376.954314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6376.954314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.954314][ T1076] netlink_rcv_skb+0x130/0x360 [ 6376.954314][ T1076] netlink_unicast+0x449/0x710 [ 6376.954314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6376.954314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6376.954314][ T1076] ___sys_sendmsg+0xee/0x170 [ 6376.954314][ T1076] __sys_sendmsg+0xcd/0x170 [ 6376.954314][ T1076] do_syscall_64+0xc6/0x1e0 [ 6376.954314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.954314][ T1076] [ 6387.197713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6387.198285][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6387.198285][ T1076] netdev_get_by_index+0x5e/0x80 [ 6387.198285][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6387.198285][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6387.198285][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6387.198285][ T1076] ipv6_add_addr+0x411/0x2000 [ 6387.198285][ T1076] inet6_addr_add+0x30e/0xa40 [ 6387.198285][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.198285][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.198285][ T1076] netlink_rcv_skb+0x130/0x360 [ 6387.198285][ T1076] netlink_unicast+0x449/0x710 [ 6387.198285][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6387.198285][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6387.198285][ T1076] ___sys_sendmsg+0xee/0x170 [ 6387.198285][ T1076] __sys_sendmsg+0xcd/0x170 [ 6387.198285][ T1076] do_syscall_64+0xc6/0x1e0 [ 6387.198285][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.198285][ T1076] [ 6387.200584][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6387.200584][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6387.200584][ T1076] ipv6_find_idev+0x102/0x170 [ 6387.200584][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.200584][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.200584][ T1076] netlink_rcv_skb+0x130/0x360 [ 6387.200584][ T1076] netlink_unicast+0x449/0x710 [ 6387.200584][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6387.200584][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6387.200584][ T1076] ___sys_sendmsg+0xee/0x170 [ 6387.200584][ T1076] __sys_sendmsg+0xcd/0x170 [ 6387.200584][ T1076] do_syscall_64+0xc6/0x1e0 [ 6387.200584][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.200584][ T1076] [ 6387.202343][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6387.202343][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6387.202343][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6387.202343][ T1076] ipv6_find_idev+0x102/0x170 [ 6387.202343][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.202343][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.202343][ T1076] netlink_rcv_skb+0x130/0x360 [ 6387.202343][ T1076] netlink_unicast+0x449/0x710 [ 6387.202343][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6387.202343][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6387.202343][ T1076] ___sys_sendmsg+0xee/0x170 [ 6387.202343][ T1076] __sys_sendmsg+0xcd/0x170 [ 6387.202343][ T1076] do_syscall_64+0xc6/0x1e0 [ 6387.202343][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.202343][ T1076] [ 6397.445714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6397.446232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6397.446232][ T1076] netdev_get_by_index+0x5e/0x80 [ 6397.446232][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6397.446232][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6397.446232][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6397.446232][ T1076] ipv6_add_addr+0x411/0x2000 [ 6397.446232][ T1076] inet6_addr_add+0x30e/0xa40 [ 6397.446232][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6397.446232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6397.446232][ T1076] netlink_rcv_skb+0x130/0x360 [ 6397.446232][ T1076] netlink_unicast+0x449/0x710 [ 6397.446232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6397.446232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6397.446232][ T1076] ___sys_sendmsg+0xee/0x170 [ 6397.446232][ T1076] __sys_sendmsg+0xcd/0x170 [ 6397.446232][ T1076] do_syscall_64+0xc6/0x1e0 [ 6397.446232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6397.446232][ T1076] [ 6397.448533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6397.448533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6397.448533][ T1076] ipv6_find_idev+0x102/0x170 [ 6397.448533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6397.448533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6397.448533][ T1076] netlink_rcv_skb+0x130/0x360 [ 6397.448533][ T1076] netlink_unicast+0x449/0x710 [ 6397.448533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6397.448533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6397.448533][ T1076] ___sys_sendmsg+0xee/0x170 [ 6397.448533][ T1076] __sys_sendmsg+0xcd/0x170 [ 6397.448533][ T1076] do_syscall_64+0xc6/0x1e0 [ 6397.448533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6397.448533][ T1076] [ 6397.450301][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6397.450301][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6397.450301][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6397.450301][ T1076] ipv6_find_idev+0x102/0x170 [ 6397.450301][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6397.450301][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6397.450301][ T1076] netlink_rcv_skb+0x130/0x360 [ 6397.450301][ T1076] netlink_unicast+0x449/0x710 [ 6397.450301][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6397.450301][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6397.450301][ T1076] ___sys_sendmsg+0xee/0x170 [ 6397.450301][ T1076] __sys_sendmsg+0xcd/0x170 [ 6397.450301][ T1076] do_syscall_64+0xc6/0x1e0 [ 6397.450301][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6397.450301][ T1076] [ 6407.693695][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6407.694167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6407.694167][ T1076] netdev_get_by_index+0x5e/0x80 [ 6407.694167][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6407.694167][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6407.694167][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6407.694167][ T1076] ipv6_add_addr+0x411/0x2000 [ 6407.694167][ T1076] inet6_addr_add+0x30e/0xa40 [ 6407.694167][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6407.694167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.694167][ T1076] netlink_rcv_skb+0x130/0x360 [ 6407.694167][ T1076] netlink_unicast+0x449/0x710 [ 6407.694167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6407.694167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6407.694167][ T1076] ___sys_sendmsg+0xee/0x170 [ 6407.694167][ T1076] __sys_sendmsg+0xcd/0x170 [ 6407.694167][ T1076] do_syscall_64+0xc6/0x1e0 [ 6407.694167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.694167][ T1076] [ 6407.697410][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6407.697410][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6407.697410][ T1076] ipv6_find_idev+0x102/0x170 [ 6407.697410][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6407.697410][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.697410][ T1076] netlink_rcv_skb+0x130/0x360 [ 6407.697410][ T1076] netlink_unicast+0x449/0x710 [ 6407.697410][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6407.697410][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6407.697410][ T1076] ___sys_sendmsg+0xee/0x170 [ 6407.697410][ T1076] __sys_sendmsg+0xcd/0x170 [ 6407.697410][ T1076] do_syscall_64+0xc6/0x1e0 [ 6407.697410][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.697410][ T1076] [ 6407.699163][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6407.699163][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6407.699163][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6407.699163][ T1076] ipv6_find_idev+0x102/0x170 [ 6407.699163][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6407.699163][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.699163][ T1076] netlink_rcv_skb+0x130/0x360 [ 6407.699163][ T1076] netlink_unicast+0x449/0x710 [ 6407.699163][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6407.699163][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6407.699163][ T1076] ___sys_sendmsg+0xee/0x170 [ 6407.699163][ T1076] __sys_sendmsg+0xcd/0x170 [ 6407.699163][ T1076] do_syscall_64+0xc6/0x1e0 [ 6407.699163][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.699163][ T1076] [ 6417.837851][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6417.838306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6417.838306][ T1076] netdev_get_by_index+0x5e/0x80 [ 6417.838306][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6417.838306][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6417.838306][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6417.838306][ T1076] ipv6_add_addr+0x411/0x2000 [ 6417.838306][ T1076] inet6_addr_add+0x30e/0xa40 [ 6417.838306][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6417.838306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.838306][ T1076] netlink_rcv_skb+0x130/0x360 [ 6417.838306][ T1076] netlink_unicast+0x449/0x710 [ 6417.838306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6417.838306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6417.838306][ T1076] ___sys_sendmsg+0xee/0x170 [ 6417.838306][ T1076] __sys_sendmsg+0xcd/0x170 [ 6417.838306][ T1076] do_syscall_64+0xc6/0x1e0 [ 6417.838306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.838306][ T1076] [ 6417.840568][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6417.840568][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6417.840568][ T1076] ipv6_find_idev+0x102/0x170 [ 6417.840568][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6417.840568][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.840568][ T1076] netlink_rcv_skb+0x130/0x360 [ 6417.840568][ T1076] netlink_unicast+0x449/0x710 [ 6417.840568][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6417.840568][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6417.840568][ T1076] ___sys_sendmsg+0xee/0x170 [ 6417.840568][ T1076] __sys_sendmsg+0xcd/0x170 [ 6417.840568][ T1076] do_syscall_64+0xc6/0x1e0 [ 6417.840568][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.840568][ T1076] [ 6417.842326][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6417.842326][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6417.842326][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6417.842326][ T1076] ipv6_find_idev+0x102/0x170 [ 6417.842326][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6417.842326][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.842326][ T1076] netlink_rcv_skb+0x130/0x360 [ 6417.842326][ T1076] netlink_unicast+0x449/0x710 [ 6417.842326][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6417.842326][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6417.842326][ T1076] ___sys_sendmsg+0xee/0x170 [ 6417.842326][ T1076] __sys_sendmsg+0xcd/0x170 [ 6417.842326][ T1076] do_syscall_64+0xc6/0x1e0 [ 6417.842326][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.842326][ T1076] [ 6427.957708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6427.958155][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6427.958155][ T1076] netdev_get_by_index+0x5e/0x80 [ 6427.958155][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6427.958155][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6427.958155][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6427.958155][ T1076] ipv6_add_addr+0x411/0x2000 [ 6427.958155][ T1076] inet6_addr_add+0x30e/0xa40 [ 6427.958155][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.958155][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.958155][ T1076] netlink_rcv_skb+0x130/0x360 [ 6427.958155][ T1076] netlink_unicast+0x449/0x710 [ 6427.958155][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6427.958155][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6427.958155][ T1076] ___sys_sendmsg+0xee/0x170 [ 6427.958155][ T1076] __sys_sendmsg+0xcd/0x170 [ 6427.958155][ T1076] do_syscall_64+0xc6/0x1e0 [ 6427.958155][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.958155][ T1076] [ 6427.960445][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6427.960445][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6427.960445][ T1076] ipv6_find_idev+0x102/0x170 [ 6427.960445][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.960445][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.960445][ T1076] netlink_rcv_skb+0x130/0x360 [ 6427.960445][ T1076] netlink_unicast+0x449/0x710 [ 6427.960445][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6427.960445][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6427.960445][ T1076] ___sys_sendmsg+0xee/0x170 [ 6427.960445][ T1076] __sys_sendmsg+0xcd/0x170 [ 6427.960445][ T1076] do_syscall_64+0xc6/0x1e0 [ 6427.960445][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.960445][ T1076] [ 6427.962175][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6427.962175][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6427.962175][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6427.962175][ T1076] ipv6_find_idev+0x102/0x170 [ 6427.962175][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.962175][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.962175][ T1076] netlink_rcv_skb+0x130/0x360 [ 6427.962175][ T1076] netlink_unicast+0x449/0x710 [ 6427.962175][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6427.962175][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6427.962175][ T1076] ___sys_sendmsg+0xee/0x170 [ 6427.962175][ T1076] __sys_sendmsg+0xcd/0x170 [ 6427.962175][ T1076] do_syscall_64+0xc6/0x1e0 [ 6427.962175][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.962175][ T1076] [ 6438.205730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6438.206189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6438.206189][ T1076] netdev_get_by_index+0x5e/0x80 [ 6438.206189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6438.206189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6438.206189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6438.206189][ T1076] ipv6_add_addr+0x411/0x2000 [ 6438.206189][ T1076] inet6_addr_add+0x30e/0xa40 [ 6438.206189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.206189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.206189][ T1076] netlink_rcv_skb+0x130/0x360 [ 6438.206189][ T1076] netlink_unicast+0x449/0x710 [ 6438.206189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6438.206189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6438.206189][ T1076] ___sys_sendmsg+0xee/0x170 [ 6438.206189][ T1076] __sys_sendmsg+0xcd/0x170 [ 6438.206189][ T1076] do_syscall_64+0xc6/0x1e0 [ 6438.206189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.206189][ T1076] [ 6438.208462][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6438.208462][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6438.208462][ T1076] ipv6_find_idev+0x102/0x170 [ 6438.208462][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.208462][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.208462][ T1076] netlink_rcv_skb+0x130/0x360 [ 6438.208462][ T1076] netlink_unicast+0x449/0x710 [ 6438.208462][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6438.208462][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6438.208462][ T1076] ___sys_sendmsg+0xee/0x170 [ 6438.208462][ T1076] __sys_sendmsg+0xcd/0x170 [ 6438.208462][ T1076] do_syscall_64+0xc6/0x1e0 [ 6438.208462][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.208462][ T1076] [ 6438.210187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6438.210187][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6438.210187][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6438.210187][ T1076] ipv6_find_idev+0x102/0x170 [ 6438.210187][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.210187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.210187][ T1076] netlink_rcv_skb+0x130/0x360 [ 6438.210187][ T1076] netlink_unicast+0x449/0x710 [ 6438.210187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6438.210187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6438.210187][ T1076] ___sys_sendmsg+0xee/0x170 [ 6438.210187][ T1076] __sys_sendmsg+0xcd/0x170 [ 6438.210187][ T1076] do_syscall_64+0xc6/0x1e0 [ 6438.210187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.210187][ T1076] [ 6448.453700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6448.454158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6448.454158][ T1076] netdev_get_by_index+0x5e/0x80 [ 6448.454158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6448.454158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6448.454158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6448.454158][ T1076] ipv6_add_addr+0x411/0x2000 [ 6448.454158][ T1076] inet6_addr_add+0x30e/0xa40 [ 6448.454158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6448.454158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.454158][ T1076] netlink_rcv_skb+0x130/0x360 [ 6448.454158][ T1076] netlink_unicast+0x449/0x710 [ 6448.454158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6448.454158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6448.454158][ T1076] ___sys_sendmsg+0xee/0x170 [ 6448.454158][ T1076] __sys_sendmsg+0xcd/0x170 [ 6448.454158][ T1076] do_syscall_64+0xc6/0x1e0 [ 6448.454158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.454158][ T1076] [ 6448.456427][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6448.456427][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6448.456427][ T1076] ipv6_find_idev+0x102/0x170 [ 6448.456427][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6448.456427][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.456427][ T1076] netlink_rcv_skb+0x130/0x360 [ 6448.456427][ T1076] netlink_unicast+0x449/0x710 [ 6448.456427][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6448.456427][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6448.456427][ T1076] ___sys_sendmsg+0xee/0x170 [ 6448.456427][ T1076] __sys_sendmsg+0xcd/0x170 [ 6448.456427][ T1076] do_syscall_64+0xc6/0x1e0 [ 6448.456427][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.456427][ T1076] [ 6448.458154][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6448.458154][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6448.458154][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6448.458154][ T1076] ipv6_find_idev+0x102/0x170 [ 6448.458154][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6448.458154][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.458154][ T1076] netlink_rcv_skb+0x130/0x360 [ 6448.458154][ T1076] netlink_unicast+0x449/0x710 [ 6448.458154][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6448.458154][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6448.458154][ T1076] ___sys_sendmsg+0xee/0x170 [ 6448.458154][ T1076] __sys_sendmsg+0xcd/0x170 [ 6448.458154][ T1076] do_syscall_64+0xc6/0x1e0 [ 6448.458154][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.458154][ T1076] [ 6458.701636][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6458.702099][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6458.702099][ T1076] netdev_get_by_index+0x5e/0x80 [ 6458.702099][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6458.702099][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6458.702099][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6458.702099][ T1076] ipv6_add_addr+0x411/0x2000 [ 6458.702099][ T1076] inet6_addr_add+0x30e/0xa40 [ 6458.702099][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6458.702099][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.702099][ T1076] netlink_rcv_skb+0x130/0x360 [ 6458.702099][ T1076] netlink_unicast+0x449/0x710 [ 6458.702099][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6458.702099][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6458.702099][ T1076] ___sys_sendmsg+0xee/0x170 [ 6458.702099][ T1076] __sys_sendmsg+0xcd/0x170 [ 6458.702099][ T1076] do_syscall_64+0xc6/0x1e0 [ 6458.702099][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.702099][ T1076] [ 6458.704375][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6458.704375][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6458.704375][ T1076] ipv6_find_idev+0x102/0x170 [ 6458.704375][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6458.704375][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.704375][ T1076] netlink_rcv_skb+0x130/0x360 [ 6458.704375][ T1076] netlink_unicast+0x449/0x710 [ 6458.704375][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6458.704375][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6458.704375][ T1076] ___sys_sendmsg+0xee/0x170 [ 6458.704375][ T1076] __sys_sendmsg+0xcd/0x170 [ 6458.704375][ T1076] do_syscall_64+0xc6/0x1e0 [ 6458.704375][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.704375][ T1076] [ 6458.706132][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6458.706132][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6458.706132][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6458.706132][ T1076] ipv6_find_idev+0x102/0x170 [ 6458.706132][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6458.706132][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.706132][ T1076] netlink_rcv_skb+0x130/0x360 [ 6458.706132][ T1076] netlink_unicast+0x449/0x710 [ 6458.706132][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6458.706132][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6458.706132][ T1076] ___sys_sendmsg+0xee/0x170 [ 6458.706132][ T1076] __sys_sendmsg+0xcd/0x170 [ 6458.706132][ T1076] do_syscall_64+0xc6/0x1e0 [ 6458.706132][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.706132][ T1076] [ 6468.949638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6468.950122][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6468.950122][ T1076] netdev_get_by_index+0x5e/0x80 [ 6468.950122][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6468.950122][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6468.950122][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6468.950122][ T1076] ipv6_add_addr+0x411/0x2000 [ 6468.950122][ T1076] inet6_addr_add+0x30e/0xa40 [ 6468.950122][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.950122][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.950122][ T1076] netlink_rcv_skb+0x130/0x360 [ 6468.950122][ T1076] netlink_unicast+0x449/0x710 [ 6468.950122][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6468.950122][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6468.950122][ T1076] ___sys_sendmsg+0xee/0x170 [ 6468.950122][ T1076] __sys_sendmsg+0xcd/0x170 [ 6468.950122][ T1076] do_syscall_64+0xc6/0x1e0 [ 6468.950122][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.950122][ T1076] [ 6468.952486][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6468.952486][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6468.952486][ T1076] ipv6_find_idev+0x102/0x170 [ 6468.952486][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6468.952486][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.952486][ T1076] netlink_rcv_skb+0x130/0x360 [ 6468.952486][ T1076] netlink_unicast+0x449/0x710 [ 6468.952486][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6468.952486][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6468.952486][ T1076] ___sys_sendmsg+0xee/0x170 [ 6468.952486][ T1076] __sys_sendmsg+0xcd/0x170 [ 6468.952486][ T1076] do_syscall_64+0xc6/0x1e0 [ 6468.952486][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.952486][ T1076] [ 6468.954307][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6468.954307][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6468.954307][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6468.954307][ T1076] ipv6_find_idev+0x102/0x170 [ 6468.954307][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6468.954307][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.954307][ T1076] netlink_rcv_skb+0x130/0x360 [ 6468.954307][ T1076] netlink_unicast+0x449/0x710 [ 6468.954307][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6468.954307][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6468.954307][ T1076] ___sys_sendmsg+0xee/0x170 [ 6468.954307][ T1076] __sys_sendmsg+0xcd/0x170 [ 6468.954307][ T1076] do_syscall_64+0xc6/0x1e0 [ 6468.954307][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.954307][ T1076] [ 6479.197648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6479.198196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6479.198196][ T1076] netdev_get_by_index+0x5e/0x80 [ 6479.198196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6479.198196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6479.198196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6479.198196][ T1076] ipv6_add_addr+0x411/0x2000 [ 6479.198196][ T1076] inet6_addr_add+0x30e/0xa40 [ 6479.198196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.198196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.198196][ T1076] netlink_rcv_skb+0x130/0x360 [ 6479.198196][ T1076] netlink_unicast+0x449/0x710 [ 6479.198196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6479.198196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6479.198196][ T1076] ___sys_sendmsg+0xee/0x170 [ 6479.198196][ T1076] __sys_sendmsg+0xcd/0x170 [ 6479.198196][ T1076] do_syscall_64+0xc6/0x1e0 [ 6479.198196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.198196][ T1076] [ 6479.200567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6479.200567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6479.200567][ T1076] ipv6_find_idev+0x102/0x170 [ 6479.200567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.200567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.200567][ T1076] netlink_rcv_skb+0x130/0x360 [ 6479.200567][ T1076] netlink_unicast+0x449/0x710 [ 6479.200567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6479.200567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6479.200567][ T1076] ___sys_sendmsg+0xee/0x170 [ 6479.200567][ T1076] __sys_sendmsg+0xcd/0x170 [ 6479.200567][ T1076] do_syscall_64+0xc6/0x1e0 [ 6479.200567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.200567][ T1076] [ 6479.202398][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6479.202398][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6479.202398][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6479.202398][ T1076] ipv6_find_idev+0x102/0x170 [ 6479.202398][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.202398][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.202398][ T1076] netlink_rcv_skb+0x130/0x360 [ 6479.202398][ T1076] netlink_unicast+0x449/0x710 [ 6479.202398][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6479.202398][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6479.202398][ T1076] ___sys_sendmsg+0xee/0x170 [ 6479.202398][ T1076] __sys_sendmsg+0xcd/0x170 [ 6479.202398][ T1076] do_syscall_64+0xc6/0x1e0 [ 6479.202398][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.202398][ T1076] [ 6489.421700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6489.422203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6489.422203][ T1076] netdev_get_by_index+0x5e/0x80 [ 6489.422203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6489.422203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6489.422203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6489.422203][ T1076] ipv6_add_addr+0x411/0x2000 [ 6489.422203][ T1076] inet6_addr_add+0x30e/0xa40 [ 6489.422203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6489.422203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6489.422203][ T1076] netlink_rcv_skb+0x130/0x360 [ 6489.422203][ T1076] netlink_unicast+0x449/0x710 [ 6489.422203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6489.422203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6489.422203][ T1076] ___sys_sendmsg+0xee/0x170 [ 6489.422203][ T1076] __sys_sendmsg+0xcd/0x170 [ 6489.422203][ T1076] do_syscall_64+0xc6/0x1e0 [ 6489.422203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6489.422203][ T1076] [ 6489.424576][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6489.424576][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6489.424576][ T1076] ipv6_find_idev+0x102/0x170 [ 6489.424576][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6489.424576][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6489.424576][ T1076] netlink_rcv_skb+0x130/0x360 [ 6489.424576][ T1076] netlink_unicast+0x449/0x710 [ 6489.424576][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6489.424576][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6489.424576][ T1076] ___sys_sendmsg+0xee/0x170 [ 6489.424576][ T1076] __sys_sendmsg+0xcd/0x170 [ 6489.424576][ T1076] do_syscall_64+0xc6/0x1e0 [ 6489.424576][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6489.424576][ T1076] [ 6489.426377][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6489.426377][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6489.426377][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6489.426377][ T1076] ipv6_find_idev+0x102/0x170 [ 6489.426377][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6489.426377][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6489.426377][ T1076] netlink_rcv_skb+0x130/0x360 [ 6489.426377][ T1076] netlink_unicast+0x449/0x710 [ 6489.426377][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6489.426377][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6489.426377][ T1076] ___sys_sendmsg+0xee/0x170 [ 6489.426377][ T1076] __sys_sendmsg+0xcd/0x170 [ 6489.426377][ T1076] do_syscall_64+0xc6/0x1e0 [ 6489.426377][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6489.426377][ T1076] [ 6499.669679][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6499.670157][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6499.670157][ T1076] netdev_get_by_index+0x5e/0x80 [ 6499.670157][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6499.670157][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6499.670157][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6499.670157][ T1076] ipv6_add_addr+0x411/0x2000 [ 6499.670157][ T1076] inet6_addr_add+0x30e/0xa40 [ 6499.670157][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6499.670157][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.670157][ T1076] netlink_rcv_skb+0x130/0x360 [ 6499.670157][ T1076] netlink_unicast+0x449/0x710 [ 6499.670157][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6499.670157][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6499.670157][ T1076] ___sys_sendmsg+0xee/0x170 [ 6499.670157][ T1076] __sys_sendmsg+0xcd/0x170 [ 6499.670157][ T1076] do_syscall_64+0xc6/0x1e0 [ 6499.670157][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.670157][ T1076] [ 6499.672531][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6499.672531][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6499.672531][ T1076] ipv6_find_idev+0x102/0x170 [ 6499.672531][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6499.672531][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.672531][ T1076] netlink_rcv_skb+0x130/0x360 [ 6499.672531][ T1076] netlink_unicast+0x449/0x710 [ 6499.672531][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6499.672531][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6499.672531][ T1076] ___sys_sendmsg+0xee/0x170 [ 6499.672531][ T1076] __sys_sendmsg+0xcd/0x170 [ 6499.672531][ T1076] do_syscall_64+0xc6/0x1e0 [ 6499.672531][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.672531][ T1076] [ 6499.674362][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6499.674362][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6499.674362][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6499.674362][ T1076] ipv6_find_idev+0x102/0x170 [ 6499.674362][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6499.674362][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.674362][ T1076] netlink_rcv_skb+0x130/0x360 [ 6499.674362][ T1076] netlink_unicast+0x449/0x710 [ 6499.674362][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6499.674362][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6499.674362][ T1076] ___sys_sendmsg+0xee/0x170 [ 6499.674362][ T1076] __sys_sendmsg+0xcd/0x170 [ 6499.674362][ T1076] do_syscall_64+0xc6/0x1e0 [ 6499.674362][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.674362][ T1076] [ 6509.917711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6509.918276][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6509.918276][ T1076] netdev_get_by_index+0x5e/0x80 [ 6509.918276][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6509.918276][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6509.918276][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6509.918276][ T1076] ipv6_add_addr+0x411/0x2000 [ 6509.918276][ T1076] inet6_addr_add+0x30e/0xa40 [ 6509.918276][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6509.918276][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.918276][ T1076] netlink_rcv_skb+0x130/0x360 [ 6509.918276][ T1076] netlink_unicast+0x449/0x710 [ 6509.918276][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6509.918276][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6509.918276][ T1076] ___sys_sendmsg+0xee/0x170 [ 6509.918276][ T1076] __sys_sendmsg+0xcd/0x170 [ 6509.918276][ T1076] do_syscall_64+0xc6/0x1e0 [ 6509.918276][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.918276][ T1076] [ 6509.920638][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6509.920638][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6509.920638][ T1076] ipv6_find_idev+0x102/0x170 [ 6509.920638][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6509.920638][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.920638][ T1076] netlink_rcv_skb+0x130/0x360 [ 6509.920638][ T1076] netlink_unicast+0x449/0x710 [ 6509.920638][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6509.920638][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6509.920638][ T1076] ___sys_sendmsg+0xee/0x170 [ 6509.920638][ T1076] __sys_sendmsg+0xcd/0x170 [ 6509.920638][ T1076] do_syscall_64+0xc6/0x1e0 [ 6509.920638][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.920638][ T1076] [ 6509.922430][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6509.922430][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6509.922430][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6509.922430][ T1076] ipv6_find_idev+0x102/0x170 [ 6509.922430][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6509.922430][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.922430][ T1076] netlink_rcv_skb+0x130/0x360 [ 6509.922430][ T1076] netlink_unicast+0x449/0x710 [ 6509.922430][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6509.922430][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6509.922430][ T1076] ___sys_sendmsg+0xee/0x170 [ 6509.922430][ T1076] __sys_sendmsg+0xcd/0x170 [ 6509.922430][ T1076] do_syscall_64+0xc6/0x1e0 [ 6509.922430][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.922430][ T1076] [ 6520.165643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6520.166209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6520.166209][ T1076] netdev_get_by_index+0x5e/0x80 [ 6520.166209][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6520.166209][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6520.166209][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6520.166209][ T1076] ipv6_add_addr+0x411/0x2000 [ 6520.166209][ T1076] inet6_addr_add+0x30e/0xa40 [ 6520.166209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.166209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.166209][ T1076] netlink_rcv_skb+0x130/0x360 [ 6520.166209][ T1076] netlink_unicast+0x449/0x710 [ 6520.166209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6520.166209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6520.166209][ T1076] ___sys_sendmsg+0xee/0x170 [ 6520.166209][ T1076] __sys_sendmsg+0xcd/0x170 [ 6520.166209][ T1076] do_syscall_64+0xc6/0x1e0 [ 6520.166209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.166209][ T1076] [ 6520.168577][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6520.168577][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6520.168577][ T1076] ipv6_find_idev+0x102/0x170 [ 6520.168577][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.168577][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.168577][ T1076] netlink_rcv_skb+0x130/0x360 [ 6520.168577][ T1076] netlink_unicast+0x449/0x710 [ 6520.168577][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6520.168577][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6520.168577][ T1076] ___sys_sendmsg+0xee/0x170 [ 6520.168577][ T1076] __sys_sendmsg+0xcd/0x170 [ 6520.168577][ T1076] do_syscall_64+0xc6/0x1e0 [ 6520.168577][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.168577][ T1076] [ 6520.170393][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6520.170393][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6520.170393][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6520.170393][ T1076] ipv6_find_idev+0x102/0x170 [ 6520.170393][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.170393][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.170393][ T1076] netlink_rcv_skb+0x130/0x360 [ 6520.170393][ T1076] netlink_unicast+0x449/0x710 [ 6520.170393][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6520.170393][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6520.170393][ T1076] ___sys_sendmsg+0xee/0x170 [ 6520.170393][ T1076] __sys_sendmsg+0xcd/0x170 [ 6520.170393][ T1076] do_syscall_64+0xc6/0x1e0 [ 6520.170393][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.170393][ T1076] [ 6530.413653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6530.414252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6530.414252][ T1076] netdev_get_by_index+0x5e/0x80 [ 6530.414252][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6530.414252][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6530.414252][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6530.414252][ T1076] ipv6_add_addr+0x411/0x2000 [ 6530.414252][ T1076] inet6_addr_add+0x30e/0xa40 [ 6530.414252][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.414252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.414252][ T1076] netlink_rcv_skb+0x130/0x360 [ 6530.414252][ T1076] netlink_unicast+0x449/0x710 [ 6530.414252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6530.414252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6530.414252][ T1076] ___sys_sendmsg+0xee/0x170 [ 6530.414252][ T1076] __sys_sendmsg+0xcd/0x170 [ 6530.414252][ T1076] do_syscall_64+0xc6/0x1e0 [ 6530.414252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.414252][ T1076] [ 6530.416624][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6530.416624][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6530.416624][ T1076] ipv6_find_idev+0x102/0x170 [ 6530.416624][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.416624][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.416624][ T1076] netlink_rcv_skb+0x130/0x360 [ 6530.416624][ T1076] netlink_unicast+0x449/0x710 [ 6530.416624][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6530.416624][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6530.416624][ T1076] ___sys_sendmsg+0xee/0x170 [ 6530.416624][ T1076] __sys_sendmsg+0xcd/0x170 [ 6530.416624][ T1076] do_syscall_64+0xc6/0x1e0 [ 6530.416624][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.416624][ T1076] [ 6530.418455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6530.418455][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6530.418455][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6530.418455][ T1076] ipv6_find_idev+0x102/0x170 [ 6530.418455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.418455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.418455][ T1076] netlink_rcv_skb+0x130/0x360 [ 6530.418455][ T1076] netlink_unicast+0x449/0x710 [ 6530.418455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6530.418455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6530.418455][ T1076] ___sys_sendmsg+0xee/0x170 [ 6530.418455][ T1076] __sys_sendmsg+0xcd/0x170 [ 6530.418455][ T1076] do_syscall_64+0xc6/0x1e0 [ 6530.418455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.418455][ T1076] [ 6540.661657][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6540.662253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6540.662253][ T1076] netdev_get_by_index+0x5e/0x80 [ 6540.662253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6540.662253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6540.662253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6540.662253][ T1076] ipv6_add_addr+0x411/0x2000 [ 6540.662253][ T1076] inet6_addr_add+0x30e/0xa40 [ 6540.662253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6540.662253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.662253][ T1076] netlink_rcv_skb+0x130/0x360 [ 6540.662253][ T1076] netlink_unicast+0x449/0x710 [ 6540.662253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6540.662253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6540.662253][ T1076] ___sys_sendmsg+0xee/0x170 [ 6540.662253][ T1076] __sys_sendmsg+0xcd/0x170 [ 6540.662253][ T1076] do_syscall_64+0xc6/0x1e0 [ 6540.662253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.662253][ T1076] [ 6540.664661][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6540.664661][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6540.664661][ T1076] ipv6_find_idev+0x102/0x170 [ 6540.664661][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6540.664661][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.664661][ T1076] netlink_rcv_skb+0x130/0x360 [ 6540.664661][ T1076] netlink_unicast+0x449/0x710 [ 6540.664661][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6540.664661][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6540.664661][ T1076] ___sys_sendmsg+0xee/0x170 [ 6540.664661][ T1076] __sys_sendmsg+0xcd/0x170 [ 6540.664661][ T1076] do_syscall_64+0xc6/0x1e0 [ 6540.664661][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.664661][ T1076] [ 6540.666496][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6540.666496][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6540.666496][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6540.666496][ T1076] ipv6_find_idev+0x102/0x170 [ 6540.666496][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6540.666496][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.666496][ T1076] netlink_rcv_skb+0x130/0x360 [ 6540.666496][ T1076] netlink_unicast+0x449/0x710 [ 6540.666496][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6540.666496][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6540.666496][ T1076] ___sys_sendmsg+0xee/0x170 [ 6540.666496][ T1076] __sys_sendmsg+0xcd/0x170 [ 6540.666496][ T1076] do_syscall_64+0xc6/0x1e0 [ 6540.666496][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.666496][ T1076] [ 6550.725726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6550.726296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6550.726296][ T1076] netdev_get_by_index+0x5e/0x80 [ 6550.726296][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6550.726296][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6550.726296][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6550.726296][ T1076] ipv6_add_addr+0x411/0x2000 [ 6550.726296][ T1076] inet6_addr_add+0x30e/0xa40 [ 6550.726296][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6550.726296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.726296][ T1076] netlink_rcv_skb+0x130/0x360 [ 6550.726296][ T1076] netlink_unicast+0x449/0x710 [ 6550.726296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6550.726296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6550.726296][ T1076] ___sys_sendmsg+0xee/0x170 [ 6550.726296][ T1076] __sys_sendmsg+0xcd/0x170 [ 6550.726296][ T1076] do_syscall_64+0xc6/0x1e0 [ 6550.726296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.726296][ T1076] [ 6550.728649][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6550.728649][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6550.728649][ T1076] ipv6_find_idev+0x102/0x170 [ 6550.728649][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6550.728649][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.728649][ T1076] netlink_rcv_skb+0x130/0x360 [ 6550.728649][ T1076] netlink_unicast+0x449/0x710 [ 6550.728649][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6550.728649][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6550.728649][ T1076] ___sys_sendmsg+0xee/0x170 [ 6550.728649][ T1076] __sys_sendmsg+0xcd/0x170 [ 6550.728649][ T1076] do_syscall_64+0xc6/0x1e0 [ 6550.728649][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.728649][ T1076] [ 6550.730442][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6550.730442][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6550.730442][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6550.730442][ T1076] ipv6_find_idev+0x102/0x170 [ 6550.730442][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6550.730442][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.730442][ T1076] netlink_rcv_skb+0x130/0x360 [ 6550.730442][ T1076] netlink_unicast+0x449/0x710 [ 6550.730442][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6550.730442][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6550.730442][ T1076] ___sys_sendmsg+0xee/0x170 [ 6550.730442][ T1076] __sys_sendmsg+0xcd/0x170 [ 6550.730442][ T1076] do_syscall_64+0xc6/0x1e0 [ 6550.730442][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.730442][ T1076] [ 6560.973638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6560.974169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6560.974169][ T1076] netdev_get_by_index+0x5e/0x80 [ 6560.974169][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6560.974169][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6560.974169][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6560.974169][ T1076] ipv6_add_addr+0x411/0x2000 [ 6560.974169][ T1076] inet6_addr_add+0x30e/0xa40 [ 6560.974169][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6560.974169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.974169][ T1076] netlink_rcv_skb+0x130/0x360 [ 6560.974169][ T1076] netlink_unicast+0x449/0x710 [ 6560.974169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6560.974169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6560.974169][ T1076] ___sys_sendmsg+0xee/0x170 [ 6560.974169][ T1076] __sys_sendmsg+0xcd/0x170 [ 6560.974169][ T1076] do_syscall_64+0xc6/0x1e0 [ 6560.974169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.974169][ T1076] [ 6560.976525][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6560.976525][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6560.976525][ T1076] ipv6_find_idev+0x102/0x170 [ 6560.976525][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6560.976525][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.976525][ T1076] netlink_rcv_skb+0x130/0x360 [ 6560.976525][ T1076] netlink_unicast+0x449/0x710 [ 6560.976525][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6560.976525][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6560.976525][ T1076] ___sys_sendmsg+0xee/0x170 [ 6560.976525][ T1076] __sys_sendmsg+0xcd/0x170 [ 6560.976525][ T1076] do_syscall_64+0xc6/0x1e0 [ 6560.976525][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.976525][ T1076] [ 6560.978328][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6560.978328][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6560.978328][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6560.978328][ T1076] ipv6_find_idev+0x102/0x170 [ 6560.978328][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6560.978328][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.978328][ T1076] netlink_rcv_skb+0x130/0x360 [ 6560.978328][ T1076] netlink_unicast+0x449/0x710 [ 6560.978328][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6560.978328][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6560.978328][ T1076] ___sys_sendmsg+0xee/0x170 [ 6560.978328][ T1076] __sys_sendmsg+0xcd/0x170 [ 6560.978328][ T1076] do_syscall_64+0xc6/0x1e0 [ 6560.978328][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.978328][ T1076] [ 6571.221701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6571.222225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6571.222225][ T1076] netdev_get_by_index+0x5e/0x80 [ 6571.222225][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6571.222225][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6571.222225][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6571.222225][ T1076] ipv6_add_addr+0x411/0x2000 [ 6571.222225][ T1076] inet6_addr_add+0x30e/0xa40 [ 6571.222225][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.222225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.222225][ T1076] netlink_rcv_skb+0x130/0x360 [ 6571.222225][ T1076] netlink_unicast+0x449/0x710 [ 6571.222225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6571.222225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6571.222225][ T1076] ___sys_sendmsg+0xee/0x170 [ 6571.222225][ T1076] __sys_sendmsg+0xcd/0x170 [ 6571.222225][ T1076] do_syscall_64+0xc6/0x1e0 [ 6571.222225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.222225][ T1076] [ 6571.224509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6571.224509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6571.224509][ T1076] ipv6_find_idev+0x102/0x170 [ 6571.224509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.224509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.224509][ T1076] netlink_rcv_skb+0x130/0x360 [ 6571.224509][ T1076] netlink_unicast+0x449/0x710 [ 6571.224509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6571.224509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6571.224509][ T1076] ___sys_sendmsg+0xee/0x170 [ 6571.224509][ T1076] __sys_sendmsg+0xcd/0x170 [ 6571.224509][ T1076] do_syscall_64+0xc6/0x1e0 [ 6571.224509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.224509][ T1076] [ 6571.226233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6571.226233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6571.226233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6571.226233][ T1076] ipv6_find_idev+0x102/0x170 [ 6571.226233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.226233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.226233][ T1076] netlink_rcv_skb+0x130/0x360 [ 6571.226233][ T1076] netlink_unicast+0x449/0x710 [ 6571.226233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6571.226233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6571.226233][ T1076] ___sys_sendmsg+0xee/0x170 [ 6571.226233][ T1076] __sys_sendmsg+0xcd/0x170 [ 6571.226233][ T1076] do_syscall_64+0xc6/0x1e0 [ 6571.226233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.226233][ T1076] [ 6581.469639][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6581.470195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6581.470195][ T1076] netdev_get_by_index+0x5e/0x80 [ 6581.470195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6581.470195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6581.470195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6581.470195][ T1076] ipv6_add_addr+0x411/0x2000 [ 6581.470195][ T1076] inet6_addr_add+0x30e/0xa40 [ 6581.470195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6581.470195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6581.470195][ T1076] netlink_rcv_skb+0x130/0x360 [ 6581.470195][ T1076] netlink_unicast+0x449/0x710 [ 6581.470195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6581.470195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6581.470195][ T1076] ___sys_sendmsg+0xee/0x170 [ 6581.470195][ T1076] __sys_sendmsg+0xcd/0x170 [ 6581.470195][ T1076] do_syscall_64+0xc6/0x1e0 [ 6581.470195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6581.470195][ T1076] [ 6581.472502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6581.472502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6581.472502][ T1076] ipv6_find_idev+0x102/0x170 [ 6581.472502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6581.472502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6581.472502][ T1076] netlink_rcv_skb+0x130/0x360 [ 6581.472502][ T1076] netlink_unicast+0x449/0x710 [ 6581.472502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6581.472502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6581.472502][ T1076] ___sys_sendmsg+0xee/0x170 [ 6581.472502][ T1076] __sys_sendmsg+0xcd/0x170 [ 6581.472502][ T1076] do_syscall_64+0xc6/0x1e0 [ 6581.472502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6581.472502][ T1076] [ 6581.474258][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6581.474258][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6581.474258][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6581.474258][ T1076] ipv6_find_idev+0x102/0x170 [ 6581.474258][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6581.474258][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6581.474258][ T1076] netlink_rcv_skb+0x130/0x360 [ 6581.474258][ T1076] netlink_unicast+0x449/0x710 [ 6581.474258][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6581.474258][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6581.474258][ T1076] ___sys_sendmsg+0xee/0x170 [ 6581.474258][ T1076] __sys_sendmsg+0xcd/0x170 [ 6581.474258][ T1076] do_syscall_64+0xc6/0x1e0 [ 6581.474258][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6581.474258][ T1076] [ 6591.717722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6591.718247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6591.718247][ T1076] netdev_get_by_index+0x5e/0x80 [ 6591.718247][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6591.718247][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6591.718247][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6591.718247][ T1076] ipv6_add_addr+0x411/0x2000 [ 6591.718247][ T1076] inet6_addr_add+0x30e/0xa40 [ 6591.718247][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6591.718247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6591.718247][ T1076] netlink_rcv_skb+0x130/0x360 [ 6591.718247][ T1076] netlink_unicast+0x449/0x710 [ 6591.718247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6591.718247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6591.718247][ T1076] ___sys_sendmsg+0xee/0x170 [ 6591.718247][ T1076] __sys_sendmsg+0xcd/0x170 [ 6591.718247][ T1076] do_syscall_64+0xc6/0x1e0 [ 6591.718247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6591.718247][ T1076] [ 6591.720544][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6591.720544][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6591.720544][ T1076] ipv6_find_idev+0x102/0x170 [ 6591.720544][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6591.720544][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6591.720544][ T1076] netlink_rcv_skb+0x130/0x360 [ 6591.720544][ T1076] netlink_unicast+0x449/0x710 [ 6591.720544][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6591.720544][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6591.720544][ T1076] ___sys_sendmsg+0xee/0x170 [ 6591.720544][ T1076] __sys_sendmsg+0xcd/0x170 [ 6591.720544][ T1076] do_syscall_64+0xc6/0x1e0 [ 6591.720544][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6591.720544][ T1076] [ 6591.722301][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6591.722301][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6591.722301][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6591.722301][ T1076] ipv6_find_idev+0x102/0x170 [ 6591.722301][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6591.722301][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6591.722301][ T1076] netlink_rcv_skb+0x130/0x360 [ 6591.722301][ T1076] netlink_unicast+0x449/0x710 [ 6591.722301][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6591.722301][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6591.722301][ T1076] ___sys_sendmsg+0xee/0x170 [ 6591.722301][ T1076] __sys_sendmsg+0xcd/0x170 [ 6591.722301][ T1076] do_syscall_64+0xc6/0x1e0 [ 6591.722301][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6591.722301][ T1076] [ 6601.805700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6601.806222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6601.806222][ T1076] netdev_get_by_index+0x5e/0x80 [ 6601.806222][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6601.806222][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6601.806222][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6601.806222][ T1076] ipv6_add_addr+0x411/0x2000 [ 6601.806222][ T1076] inet6_addr_add+0x30e/0xa40 [ 6601.806222][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6601.806222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.806222][ T1076] netlink_rcv_skb+0x130/0x360 [ 6601.806222][ T1076] netlink_unicast+0x449/0x710 [ 6601.806222][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6601.806222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6601.806222][ T1076] ___sys_sendmsg+0xee/0x170 [ 6601.806222][ T1076] __sys_sendmsg+0xcd/0x170 [ 6601.806222][ T1076] do_syscall_64+0xc6/0x1e0 [ 6601.806222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.806222][ T1076] [ 6601.808556][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6601.808556][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6601.808556][ T1076] ipv6_find_idev+0x102/0x170 [ 6601.808556][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6601.808556][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.808556][ T1076] netlink_rcv_skb+0x130/0x360 [ 6601.808556][ T1076] netlink_unicast+0x449/0x710 [ 6601.808556][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6601.808556][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6601.808556][ T1076] ___sys_sendmsg+0xee/0x170 [ 6601.808556][ T1076] __sys_sendmsg+0xcd/0x170 [ 6601.808556][ T1076] do_syscall_64+0xc6/0x1e0 [ 6601.808556][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.808556][ T1076] [ 6601.810319][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6601.810319][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6601.810319][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6601.810319][ T1076] ipv6_find_idev+0x102/0x170 [ 6601.810319][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6601.810319][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.810319][ T1076] netlink_rcv_skb+0x130/0x360 [ 6601.810319][ T1076] netlink_unicast+0x449/0x710 [ 6601.810319][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6601.810319][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6601.810319][ T1076] ___sys_sendmsg+0xee/0x170 [ 6601.810319][ T1076] __sys_sendmsg+0xcd/0x170 [ 6601.810319][ T1076] do_syscall_64+0xc6/0x1e0 [ 6601.810319][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.810319][ T1076] [ 6612.061738][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6612.062218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6612.062218][ T1076] netdev_get_by_index+0x5e/0x80 [ 6612.062218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6612.062218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6612.062218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6612.062218][ T1076] ipv6_add_addr+0x411/0x2000 [ 6612.062218][ T1076] inet6_addr_add+0x30e/0xa40 [ 6612.062218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.062218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.062218][ T1076] netlink_rcv_skb+0x130/0x360 [ 6612.062218][ T1076] netlink_unicast+0x449/0x710 [ 6612.062218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6612.062218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6612.062218][ T1076] ___sys_sendmsg+0xee/0x170 [ 6612.062218][ T1076] __sys_sendmsg+0xcd/0x170 [ 6612.062218][ T1076] do_syscall_64+0xc6/0x1e0 [ 6612.062218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.062218][ T1076] [ 6612.064517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6612.064517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6612.064517][ T1076] ipv6_find_idev+0x102/0x170 [ 6612.064517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.064517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.064517][ T1076] netlink_rcv_skb+0x130/0x360 [ 6612.064517][ T1076] netlink_unicast+0x449/0x710 [ 6612.064517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6612.064517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6612.064517][ T1076] ___sys_sendmsg+0xee/0x170 [ 6612.064517][ T1076] __sys_sendmsg+0xcd/0x170 [ 6612.064517][ T1076] do_syscall_64+0xc6/0x1e0 [ 6612.064517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.064517][ T1076] [ 6612.066289][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6612.066289][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6612.066289][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6612.066289][ T1076] ipv6_find_idev+0x102/0x170 [ 6612.066289][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.066289][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.066289][ T1076] netlink_rcv_skb+0x130/0x360 [ 6612.066289][ T1076] netlink_unicast+0x449/0x710 [ 6612.066289][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6612.066289][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6612.066289][ T1076] ___sys_sendmsg+0xee/0x170 [ 6612.066289][ T1076] __sys_sendmsg+0xcd/0x170 [ 6612.066289][ T1076] do_syscall_64+0xc6/0x1e0 [ 6612.066289][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.066289][ T1076] [ 6622.317718][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6622.318249][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6622.318249][ T1076] netdev_get_by_index+0x5e/0x80 [ 6622.318249][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6622.318249][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6622.318249][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6622.318249][ T1076] ipv6_add_addr+0x411/0x2000 [ 6622.318249][ T1076] inet6_addr_add+0x30e/0xa40 [ 6622.318249][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.318249][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.318249][ T1076] netlink_rcv_skb+0x130/0x360 [ 6622.318249][ T1076] netlink_unicast+0x449/0x710 [ 6622.318249][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6622.318249][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6622.318249][ T1076] ___sys_sendmsg+0xee/0x170 [ 6622.318249][ T1076] __sys_sendmsg+0xcd/0x170 [ 6622.318249][ T1076] do_syscall_64+0xc6/0x1e0 [ 6622.318249][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.318249][ T1076] [ 6622.320531][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6622.320531][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6622.320531][ T1076] ipv6_find_idev+0x102/0x170 [ 6622.320531][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.320531][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.320531][ T1076] netlink_rcv_skb+0x130/0x360 [ 6622.320531][ T1076] netlink_unicast+0x449/0x710 [ 6622.320531][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6622.320531][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6622.320531][ T1076] ___sys_sendmsg+0xee/0x170 [ 6622.320531][ T1076] __sys_sendmsg+0xcd/0x170 [ 6622.320531][ T1076] do_syscall_64+0xc6/0x1e0 [ 6622.320531][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.320531][ T1076] [ 6622.322293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6622.322293][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6622.322293][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6622.322293][ T1076] ipv6_find_idev+0x102/0x170 [ 6622.322293][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.322293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.322293][ T1076] netlink_rcv_skb+0x130/0x360 [ 6622.322293][ T1076] netlink_unicast+0x449/0x710 [ 6622.322293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6622.322293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6622.322293][ T1076] ___sys_sendmsg+0xee/0x170 [ 6622.322293][ T1076] __sys_sendmsg+0xcd/0x170 [ 6622.322293][ T1076] do_syscall_64+0xc6/0x1e0 [ 6622.322293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.322293][ T1076] [ 6632.573715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6632.574248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6632.574248][ T1076] netdev_get_by_index+0x5e/0x80 [ 6632.574248][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6632.574248][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6632.574248][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6632.574248][ T1076] ipv6_add_addr+0x411/0x2000 [ 6632.574248][ T1076] inet6_addr_add+0x30e/0xa40 [ 6632.574248][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6632.574248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6632.574248][ T1076] netlink_rcv_skb+0x130/0x360 [ 6632.574248][ T1076] netlink_unicast+0x449/0x710 [ 6632.574248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6632.574248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6632.574248][ T1076] ___sys_sendmsg+0xee/0x170 [ 6632.574248][ T1076] __sys_sendmsg+0xcd/0x170 [ 6632.574248][ T1076] do_syscall_64+0xc6/0x1e0 [ 6632.574248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6632.574248][ T1076] [ 6632.576539][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6632.576539][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6632.576539][ T1076] ipv6_find_idev+0x102/0x170 [ 6632.576539][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6632.576539][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6632.576539][ T1076] netlink_rcv_skb+0x130/0x360 [ 6632.576539][ T1076] netlink_unicast+0x449/0x710 [ 6632.576539][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6632.576539][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6632.576539][ T1076] ___sys_sendmsg+0xee/0x170 [ 6632.576539][ T1076] __sys_sendmsg+0xcd/0x170 [ 6632.576539][ T1076] do_syscall_64+0xc6/0x1e0 [ 6632.576539][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6632.576539][ T1076] [ 6632.578281][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6632.578281][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6632.578281][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6632.578281][ T1076] ipv6_find_idev+0x102/0x170 [ 6632.578281][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6632.578281][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6632.578281][ T1076] netlink_rcv_skb+0x130/0x360 [ 6632.578281][ T1076] netlink_unicast+0x449/0x710 [ 6632.578281][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6632.578281][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6632.578281][ T1076] ___sys_sendmsg+0xee/0x170 [ 6632.578281][ T1076] __sys_sendmsg+0xcd/0x170 [ 6632.578281][ T1076] do_syscall_64+0xc6/0x1e0 [ 6632.578281][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6632.578281][ T1076] [ 6642.829732][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6642.830275][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6642.830275][ T1076] netdev_get_by_index+0x5e/0x80 [ 6642.830275][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6642.830275][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6642.830275][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6642.830275][ T1076] ipv6_add_addr+0x411/0x2000 [ 6642.830275][ T1076] inet6_addr_add+0x30e/0xa40 [ 6642.830275][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6642.830275][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6642.830275][ T1076] netlink_rcv_skb+0x130/0x360 [ 6642.830275][ T1076] netlink_unicast+0x449/0x710 [ 6642.830275][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6642.830275][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6642.830275][ T1076] ___sys_sendmsg+0xee/0x170 [ 6642.830275][ T1076] __sys_sendmsg+0xcd/0x170 [ 6642.830275][ T1076] do_syscall_64+0xc6/0x1e0 [ 6642.830275][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6642.830275][ T1076] [ 6642.832584][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6642.832584][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6642.832584][ T1076] ipv6_find_idev+0x102/0x170 [ 6642.832584][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6642.832584][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6642.832584][ T1076] netlink_rcv_skb+0x130/0x360 [ 6642.832584][ T1076] netlink_unicast+0x449/0x710 [ 6642.832584][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6642.832584][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6642.832584][ T1076] ___sys_sendmsg+0xee/0x170 [ 6642.832584][ T1076] __sys_sendmsg+0xcd/0x170 [ 6642.832584][ T1076] do_syscall_64+0xc6/0x1e0 [ 6642.832584][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6642.832584][ T1076] [ 6642.834334][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6642.834334][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6642.834334][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6642.834334][ T1076] ipv6_find_idev+0x102/0x170 [ 6642.834334][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6642.834334][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6642.834334][ T1076] netlink_rcv_skb+0x130/0x360 [ 6642.834334][ T1076] netlink_unicast+0x449/0x710 [ 6642.834334][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6642.834334][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6642.834334][ T1076] ___sys_sendmsg+0xee/0x170 [ 6642.834334][ T1076] __sys_sendmsg+0xcd/0x170 [ 6642.834334][ T1076] do_syscall_64+0xc6/0x1e0 [ 6642.834334][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6642.834334][ T1076] [ 6653.085702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6653.086273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6653.086273][ T1076] netdev_get_by_index+0x5e/0x80 [ 6653.086273][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6653.086273][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6653.086273][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6653.086273][ T1076] ipv6_add_addr+0x411/0x2000 [ 6653.086273][ T1076] inet6_addr_add+0x30e/0xa40 [ 6653.086273][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.086273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.086273][ T1076] netlink_rcv_skb+0x130/0x360 [ 6653.086273][ T1076] netlink_unicast+0x449/0x710 [ 6653.086273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6653.086273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6653.086273][ T1076] ___sys_sendmsg+0xee/0x170 [ 6653.086273][ T1076] __sys_sendmsg+0xcd/0x170 [ 6653.086273][ T1076] do_syscall_64+0xc6/0x1e0 [ 6653.086273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.086273][ T1076] [ 6653.088866][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6653.088866][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6653.088866][ T1076] ipv6_find_idev+0x102/0x170 [ 6653.088866][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.088866][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.088866][ T1076] netlink_rcv_skb+0x130/0x360 [ 6653.088866][ T1076] netlink_unicast+0x449/0x710 [ 6653.088866][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6653.088866][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6653.088866][ T1076] ___sys_sendmsg+0xee/0x170 [ 6653.088866][ T1076] __sys_sendmsg+0xcd/0x170 [ 6653.088866][ T1076] do_syscall_64+0xc6/0x1e0 [ 6653.088866][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.088866][ T1076] [ 6653.090748][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6653.090748][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6653.090748][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6653.090748][ T1076] ipv6_find_idev+0x102/0x170 [ 6653.090748][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.090748][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.090748][ T1076] netlink_rcv_skb+0x130/0x360 [ 6653.090748][ T1076] netlink_unicast+0x449/0x710 [ 6653.090748][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6653.090748][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6653.090748][ T1076] ___sys_sendmsg+0xee/0x170 [ 6653.090748][ T1076] __sys_sendmsg+0xcd/0x170 [ 6653.090748][ T1076] do_syscall_64+0xc6/0x1e0 [ 6653.090748][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.090748][ T1076] [ 6663.341699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6663.342242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6663.342242][ T1076] netdev_get_by_index+0x5e/0x80 [ 6663.342242][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6663.342242][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6663.342242][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6663.342242][ T1076] ipv6_add_addr+0x411/0x2000 [ 6663.342242][ T1076] inet6_addr_add+0x30e/0xa40 [ 6663.342242][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.342242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.342242][ T1076] netlink_rcv_skb+0x130/0x360 [ 6663.342242][ T1076] netlink_unicast+0x449/0x710 [ 6663.342242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6663.342242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6663.342242][ T1076] ___sys_sendmsg+0xee/0x170 [ 6663.342242][ T1076] __sys_sendmsg+0xcd/0x170 [ 6663.342242][ T1076] do_syscall_64+0xc6/0x1e0 [ 6663.342242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.342242][ T1076] [ 6663.344809][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6663.344809][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6663.344809][ T1076] ipv6_find_idev+0x102/0x170 [ 6663.344809][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.344809][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.344809][ T1076] netlink_rcv_skb+0x130/0x360 [ 6663.344809][ T1076] netlink_unicast+0x449/0x710 [ 6663.344809][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6663.344809][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6663.344809][ T1076] ___sys_sendmsg+0xee/0x170 [ 6663.344809][ T1076] __sys_sendmsg+0xcd/0x170 [ 6663.344809][ T1076] do_syscall_64+0xc6/0x1e0 [ 6663.344809][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.344809][ T1076] [ 6663.346756][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6663.346756][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6663.346756][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6663.346756][ T1076] ipv6_find_idev+0x102/0x170 [ 6663.346756][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.346756][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.346756][ T1076] netlink_rcv_skb+0x130/0x360 [ 6663.346756][ T1076] netlink_unicast+0x449/0x710 [ 6663.346756][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6663.346756][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6663.346756][ T1076] ___sys_sendmsg+0xee/0x170 [ 6663.346756][ T1076] __sys_sendmsg+0xcd/0x170 [ 6663.346756][ T1076] do_syscall_64+0xc6/0x1e0 [ 6663.346756][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.346756][ T1076] [ 6673.597722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6673.598176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6673.598176][ T1076] netdev_get_by_index+0x5e/0x80 [ 6673.598176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6673.598176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6673.598176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6673.598176][ T1076] ipv6_add_addr+0x411/0x2000 [ 6673.598176][ T1076] inet6_addr_add+0x30e/0xa40 [ 6673.598176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6673.598176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6673.598176][ T1076] netlink_rcv_skb+0x130/0x360 [ 6673.598176][ T1076] netlink_unicast+0x449/0x710 [ 6673.598176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6673.598176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6673.598176][ T1076] ___sys_sendmsg+0xee/0x170 [ 6673.598176][ T1076] __sys_sendmsg+0xcd/0x170 [ 6673.598176][ T1076] do_syscall_64+0xc6/0x1e0 [ 6673.598176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6673.598176][ T1076] [ 6673.600709][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6673.600709][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6673.600709][ T1076] ipv6_find_idev+0x102/0x170 [ 6673.600709][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6673.600709][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6673.600709][ T1076] netlink_rcv_skb+0x130/0x360 [ 6673.600709][ T1076] netlink_unicast+0x449/0x710 [ 6673.600709][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6673.600709][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6673.600709][ T1076] ___sys_sendmsg+0xee/0x170 [ 6673.600709][ T1076] __sys_sendmsg+0xcd/0x170 [ 6673.600709][ T1076] do_syscall_64+0xc6/0x1e0 [ 6673.600709][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6673.600709][ T1076] [ 6673.602708][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6673.602708][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6673.602708][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6673.602708][ T1076] ipv6_find_idev+0x102/0x170 [ 6673.602708][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6673.602708][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6673.602708][ T1076] netlink_rcv_skb+0x130/0x360 [ 6673.602708][ T1076] netlink_unicast+0x449/0x710 [ 6673.602708][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6673.602708][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6673.602708][ T1076] ___sys_sendmsg+0xee/0x170 [ 6673.602708][ T1076] __sys_sendmsg+0xcd/0x170 [ 6673.602708][ T1076] do_syscall_64+0xc6/0x1e0 [ 6673.602708][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6673.602708][ T1076] [ 6683.853745][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6683.854201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6683.854201][ T1076] netdev_get_by_index+0x5e/0x80 [ 6683.854201][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6683.854201][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6683.854201][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6683.854201][ T1076] ipv6_add_addr+0x411/0x2000 [ 6683.854201][ T1076] inet6_addr_add+0x30e/0xa40 [ 6683.854201][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.854201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.854201][ T1076] netlink_rcv_skb+0x130/0x360 [ 6683.854201][ T1076] netlink_unicast+0x449/0x710 [ 6683.854201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6683.854201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6683.854201][ T1076] ___sys_sendmsg+0xee/0x170 [ 6683.854201][ T1076] __sys_sendmsg+0xcd/0x170 [ 6683.854201][ T1076] do_syscall_64+0xc6/0x1e0 [ 6683.854201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.854201][ T1076] [ 6683.856504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6683.856504][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6683.856504][ T1076] ipv6_find_idev+0x102/0x170 [ 6683.856504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.856504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.856504][ T1076] netlink_rcv_skb+0x130/0x360 [ 6683.856504][ T1076] netlink_unicast+0x449/0x710 [ 6683.856504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6683.856504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6683.856504][ T1076] ___sys_sendmsg+0xee/0x170 [ 6683.856504][ T1076] __sys_sendmsg+0xcd/0x170 [ 6683.856504][ T1076] do_syscall_64+0xc6/0x1e0 [ 6683.856504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.856504][ T1076] [ 6683.858256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6683.858256][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6683.858256][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6683.858256][ T1076] ipv6_find_idev+0x102/0x170 [ 6683.858256][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.858256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.858256][ T1076] netlink_rcv_skb+0x130/0x360 [ 6683.858256][ T1076] netlink_unicast+0x449/0x710 [ 6683.858256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6683.858256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6683.858256][ T1076] ___sys_sendmsg+0xee/0x170 [ 6683.858256][ T1076] __sys_sendmsg+0xcd/0x170 [ 6683.858256][ T1076] do_syscall_64+0xc6/0x1e0 [ 6683.858256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.858256][ T1076] [ 6694.109704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6694.110164][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6694.110164][ T1076] netdev_get_by_index+0x5e/0x80 [ 6694.110164][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6694.110164][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6694.110164][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6694.110164][ T1076] ipv6_add_addr+0x411/0x2000 [ 6694.110164][ T1076] inet6_addr_add+0x30e/0xa40 [ 6694.110164][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.110164][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.110164][ T1076] netlink_rcv_skb+0x130/0x360 [ 6694.110164][ T1076] netlink_unicast+0x449/0x710 [ 6694.110164][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6694.110164][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6694.110164][ T1076] ___sys_sendmsg+0xee/0x170 [ 6694.110164][ T1076] __sys_sendmsg+0xcd/0x170 [ 6694.110164][ T1076] do_syscall_64+0xc6/0x1e0 [ 6694.110164][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.110164][ T1076] [ 6694.112470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6694.112470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6694.112470][ T1076] ipv6_find_idev+0x102/0x170 [ 6694.112470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.112470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.112470][ T1076] netlink_rcv_skb+0x130/0x360 [ 6694.112470][ T1076] netlink_unicast+0x449/0x710 [ 6694.112470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6694.112470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6694.112470][ T1076] ___sys_sendmsg+0xee/0x170 [ 6694.112470][ T1076] __sys_sendmsg+0xcd/0x170 [ 6694.112470][ T1076] do_syscall_64+0xc6/0x1e0 [ 6694.112470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.112470][ T1076] [ 6694.114227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6694.114227][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6694.114227][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6694.114227][ T1076] ipv6_find_idev+0x102/0x170 [ 6694.114227][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.114227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.114227][ T1076] netlink_rcv_skb+0x130/0x360 [ 6694.114227][ T1076] netlink_unicast+0x449/0x710 [ 6694.114227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6694.114227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6694.114227][ T1076] ___sys_sendmsg+0xee/0x170 [ 6694.114227][ T1076] __sys_sendmsg+0xcd/0x170 [ 6694.114227][ T1076] do_syscall_64+0xc6/0x1e0 [ 6694.114227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.114227][ T1076] [ 6704.365713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6704.366172][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6704.366172][ T1076] netdev_get_by_index+0x5e/0x80 [ 6704.366172][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6704.366172][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6704.366172][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6704.366172][ T1076] ipv6_add_addr+0x411/0x2000 [ 6704.366172][ T1076] inet6_addr_add+0x30e/0xa40 [ 6704.366172][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6704.366172][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6704.366172][ T1076] netlink_rcv_skb+0x130/0x360 [ 6704.366172][ T1076] netlink_unicast+0x449/0x710 [ 6704.366172][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6704.366172][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6704.366172][ T1076] ___sys_sendmsg+0xee/0x170 [ 6704.366172][ T1076] __sys_sendmsg+0xcd/0x170 [ 6704.366172][ T1076] do_syscall_64+0xc6/0x1e0 [ 6704.366172][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6704.366172][ T1076] [ 6704.368960][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6704.368960][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6704.368960][ T1076] ipv6_find_idev+0x102/0x170 [ 6704.368960][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6704.368960][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6704.368960][ T1076] netlink_rcv_skb+0x130/0x360 [ 6704.368960][ T1076] netlink_unicast+0x449/0x710 [ 6704.368960][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6704.368960][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6704.368960][ T1076] ___sys_sendmsg+0xee/0x170 [ 6704.368960][ T1076] __sys_sendmsg+0xcd/0x170 [ 6704.368960][ T1076] do_syscall_64+0xc6/0x1e0 [ 6704.368960][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6704.368960][ T1076] [ 6704.370698][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6704.370698][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6704.370698][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6704.370698][ T1076] ipv6_find_idev+0x102/0x170 [ 6704.370698][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6704.370698][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6704.370698][ T1076] netlink_rcv_skb+0x130/0x360 [ 6704.370698][ T1076] netlink_unicast+0x449/0x710 [ 6704.370698][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6704.370698][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6704.370698][ T1076] ___sys_sendmsg+0xee/0x170 [ 6704.370698][ T1076] __sys_sendmsg+0xcd/0x170 [ 6704.370698][ T1076] do_syscall_64+0xc6/0x1e0 [ 6704.370698][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6704.370698][ T1076] [ 6714.621704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6714.622210][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6714.622210][ T1076] netdev_get_by_index+0x5e/0x80 [ 6714.622210][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6714.622210][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6714.622210][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6714.622210][ T1076] ipv6_add_addr+0x411/0x2000 [ 6714.622210][ T1076] inet6_addr_add+0x30e/0xa40 [ 6714.622210][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.622210][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.622210][ T1076] netlink_rcv_skb+0x130/0x360 [ 6714.622210][ T1076] netlink_unicast+0x449/0x710 [ 6714.622210][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6714.622210][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6714.622210][ T1076] ___sys_sendmsg+0xee/0x170 [ 6714.622210][ T1076] __sys_sendmsg+0xcd/0x170 [ 6714.622210][ T1076] do_syscall_64+0xc6/0x1e0 [ 6714.622210][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.622210][ T1076] [ 6714.624726][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6714.624726][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6714.624726][ T1076] ipv6_find_idev+0x102/0x170 [ 6714.624726][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.624726][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.624726][ T1076] netlink_rcv_skb+0x130/0x360 [ 6714.624726][ T1076] netlink_unicast+0x449/0x710 [ 6714.624726][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6714.624726][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6714.624726][ T1076] ___sys_sendmsg+0xee/0x170 [ 6714.624726][ T1076] __sys_sendmsg+0xcd/0x170 [ 6714.624726][ T1076] do_syscall_64+0xc6/0x1e0 [ 6714.624726][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.624726][ T1076] [ 6714.626612][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6714.626612][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6714.626612][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6714.626612][ T1076] ipv6_find_idev+0x102/0x170 [ 6714.626612][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.626612][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.626612][ T1076] netlink_rcv_skb+0x130/0x360 [ 6714.626612][ T1076] netlink_unicast+0x449/0x710 [ 6714.626612][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6714.626612][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6714.626612][ T1076] ___sys_sendmsg+0xee/0x170 [ 6714.626612][ T1076] __sys_sendmsg+0xcd/0x170 [ 6714.626612][ T1076] do_syscall_64+0xc6/0x1e0 [ 6714.626612][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.626612][ T1076] [ 6724.877699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6724.878152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6724.878152][ T1076] netdev_get_by_index+0x5e/0x80 [ 6724.878152][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6724.878152][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6724.878152][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6724.878152][ T1076] ipv6_add_addr+0x411/0x2000 [ 6724.878152][ T1076] inet6_addr_add+0x30e/0xa40 [ 6724.878152][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.878152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.878152][ T1076] netlink_rcv_skb+0x130/0x360 [ 6724.878152][ T1076] netlink_unicast+0x449/0x710 [ 6724.878152][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6724.878152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6724.878152][ T1076] ___sys_sendmsg+0xee/0x170 [ 6724.878152][ T1076] __sys_sendmsg+0xcd/0x170 [ 6724.878152][ T1076] do_syscall_64+0xc6/0x1e0 [ 6724.878152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.878152][ T1076] [ 6724.880711][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6724.880711][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6724.880711][ T1076] ipv6_find_idev+0x102/0x170 [ 6724.880711][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.880711][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.880711][ T1076] netlink_rcv_skb+0x130/0x360 [ 6724.880711][ T1076] netlink_unicast+0x449/0x710 [ 6724.880711][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6724.880711][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6724.880711][ T1076] ___sys_sendmsg+0xee/0x170 [ 6724.880711][ T1076] __sys_sendmsg+0xcd/0x170 [ 6724.880711][ T1076] do_syscall_64+0xc6/0x1e0 [ 6724.880711][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.880711][ T1076] [ 6724.882669][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6724.882669][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6724.882669][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6724.882669][ T1076] ipv6_find_idev+0x102/0x170 [ 6724.882669][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.882669][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.882669][ T1076] netlink_rcv_skb+0x130/0x360 [ 6724.882669][ T1076] netlink_unicast+0x449/0x710 [ 6724.882669][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6724.882669][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6724.882669][ T1076] ___sys_sendmsg+0xee/0x170 [ 6724.882669][ T1076] __sys_sendmsg+0xcd/0x170 [ 6724.882669][ T1076] do_syscall_64+0xc6/0x1e0 [ 6724.882669][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.882669][ T1076] [ 6735.133713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6735.134156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6735.134156][ T1076] netdev_get_by_index+0x5e/0x80 [ 6735.134156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6735.134156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6735.134156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6735.134156][ T1076] ipv6_add_addr+0x411/0x2000 [ 6735.134156][ T1076] inet6_addr_add+0x30e/0xa40 [ 6735.134156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.134156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.134156][ T1076] netlink_rcv_skb+0x130/0x360 [ 6735.134156][ T1076] netlink_unicast+0x449/0x710 [ 6735.134156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6735.134156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6735.134156][ T1076] ___sys_sendmsg+0xee/0x170 [ 6735.134156][ T1076] __sys_sendmsg+0xcd/0x170 [ 6735.134156][ T1076] do_syscall_64+0xc6/0x1e0 [ 6735.134156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.134156][ T1076] [ 6735.136711][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6735.136711][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6735.136711][ T1076] ipv6_find_idev+0x102/0x170 [ 6735.136711][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.136711][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.136711][ T1076] netlink_rcv_skb+0x130/0x360 [ 6735.136711][ T1076] netlink_unicast+0x449/0x710 [ 6735.136711][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6735.136711][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6735.136711][ T1076] ___sys_sendmsg+0xee/0x170 [ 6735.136711][ T1076] __sys_sendmsg+0xcd/0x170 [ 6735.136711][ T1076] do_syscall_64+0xc6/0x1e0 [ 6735.136711][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.136711][ T1076] [ 6735.138618][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6735.138618][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6735.138618][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6735.138618][ T1076] ipv6_find_idev+0x102/0x170 [ 6735.138618][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.138618][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.138618][ T1076] netlink_rcv_skb+0x130/0x360 [ 6735.138618][ T1076] netlink_unicast+0x449/0x710 [ 6735.138618][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6735.138618][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6735.138618][ T1076] ___sys_sendmsg+0xee/0x170 [ 6735.138618][ T1076] __sys_sendmsg+0xcd/0x170 [ 6735.138618][ T1076] do_syscall_64+0xc6/0x1e0 [ 6735.138618][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.138618][ T1076] [ 6745.389725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6745.390238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6745.390238][ T1076] netdev_get_by_index+0x5e/0x80 [ 6745.390238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6745.390238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6745.390238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6745.390238][ T1076] ipv6_add_addr+0x411/0x2000 [ 6745.390238][ T1076] inet6_addr_add+0x30e/0xa40 [ 6745.390238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.390238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.390238][ T1076] netlink_rcv_skb+0x130/0x360 [ 6745.390238][ T1076] netlink_unicast+0x449/0x710 [ 6745.390238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6745.390238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6745.390238][ T1076] ___sys_sendmsg+0xee/0x170 [ 6745.390238][ T1076] __sys_sendmsg+0xcd/0x170 [ 6745.390238][ T1076] do_syscall_64+0xc6/0x1e0 [ 6745.390238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.390238][ T1076] [ 6745.392557][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6745.392557][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6745.392557][ T1076] ipv6_find_idev+0x102/0x170 [ 6745.392557][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.392557][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.392557][ T1076] netlink_rcv_skb+0x130/0x360 [ 6745.392557][ T1076] netlink_unicast+0x449/0x710 [ 6745.392557][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6745.392557][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6745.392557][ T1076] ___sys_sendmsg+0xee/0x170 [ 6745.392557][ T1076] __sys_sendmsg+0xcd/0x170 [ 6745.392557][ T1076] do_syscall_64+0xc6/0x1e0 [ 6745.392557][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.392557][ T1076] [ 6745.394585][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6745.394585][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6745.394585][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6745.394585][ T1076] ipv6_find_idev+0x102/0x170 [ 6745.394585][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.394585][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.394585][ T1076] netlink_rcv_skb+0x130/0x360 [ 6745.394585][ T1076] netlink_unicast+0x449/0x710 [ 6745.394585][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6745.394585][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6745.394585][ T1076] ___sys_sendmsg+0xee/0x170 [ 6745.394585][ T1076] __sys_sendmsg+0xcd/0x170 [ 6745.394585][ T1076] do_syscall_64+0xc6/0x1e0 [ 6745.394585][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.394585][ T1076] [ 6755.637705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6755.638220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6755.638220][ T1076] netdev_get_by_index+0x5e/0x80 [ 6755.638220][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6755.638220][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6755.638220][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6755.638220][ T1076] ipv6_add_addr+0x411/0x2000 [ 6755.638220][ T1076] inet6_addr_add+0x30e/0xa40 [ 6755.638220][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.638220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.638220][ T1076] netlink_rcv_skb+0x130/0x360 [ 6755.638220][ T1076] netlink_unicast+0x449/0x710 [ 6755.638220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6755.638220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6755.638220][ T1076] ___sys_sendmsg+0xee/0x170 [ 6755.638220][ T1076] __sys_sendmsg+0xcd/0x170 [ 6755.638220][ T1076] do_syscall_64+0xc6/0x1e0 [ 6755.638220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.638220][ T1076] [ 6755.640518][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6755.640518][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6755.640518][ T1076] ipv6_find_idev+0x102/0x170 [ 6755.640518][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.640518][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.640518][ T1076] netlink_rcv_skb+0x130/0x360 [ 6755.640518][ T1076] netlink_unicast+0x449/0x710 [ 6755.640518][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6755.640518][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6755.640518][ T1076] ___sys_sendmsg+0xee/0x170 [ 6755.640518][ T1076] __sys_sendmsg+0xcd/0x170 [ 6755.640518][ T1076] do_syscall_64+0xc6/0x1e0 [ 6755.640518][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.640518][ T1076] [ 6755.642295][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6755.642295][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6755.642295][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6755.642295][ T1076] ipv6_find_idev+0x102/0x170 [ 6755.642295][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.642295][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.642295][ T1076] netlink_rcv_skb+0x130/0x360 [ 6755.642295][ T1076] netlink_unicast+0x449/0x710 [ 6755.642295][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6755.642295][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6755.642295][ T1076] ___sys_sendmsg+0xee/0x170 [ 6755.642295][ T1076] __sys_sendmsg+0xcd/0x170 [ 6755.642295][ T1076] do_syscall_64+0xc6/0x1e0 [ 6755.642295][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.642295][ T1076] [ 6765.893647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6765.894134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6765.894134][ T1076] netdev_get_by_index+0x5e/0x80 [ 6765.894134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6765.894134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6765.894134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6765.894134][ T1076] ipv6_add_addr+0x411/0x2000 [ 6765.894134][ T1076] inet6_addr_add+0x30e/0xa40 [ 6765.894134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.894134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.894134][ T1076] netlink_rcv_skb+0x130/0x360 [ 6765.894134][ T1076] netlink_unicast+0x449/0x710 [ 6765.894134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6765.894134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6765.894134][ T1076] ___sys_sendmsg+0xee/0x170 [ 6765.894134][ T1076] __sys_sendmsg+0xcd/0x170 [ 6765.894134][ T1076] do_syscall_64+0xc6/0x1e0 [ 6765.894134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.894134][ T1076] [ 6765.896483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6765.896483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6765.896483][ T1076] ipv6_find_idev+0x102/0x170 [ 6765.896483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.896483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.896483][ T1076] netlink_rcv_skb+0x130/0x360 [ 6765.896483][ T1076] netlink_unicast+0x449/0x710 [ 6765.896483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6765.896483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6765.896483][ T1076] ___sys_sendmsg+0xee/0x170 [ 6765.896483][ T1076] __sys_sendmsg+0xcd/0x170 [ 6765.896483][ T1076] do_syscall_64+0xc6/0x1e0 [ 6765.896483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.896483][ T1076] [ 6765.898276][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6765.898276][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6765.898276][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6765.898276][ T1076] ipv6_find_idev+0x102/0x170 [ 6765.898276][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.898276][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.898276][ T1076] netlink_rcv_skb+0x130/0x360 [ 6765.898276][ T1076] netlink_unicast+0x449/0x710 [ 6765.898276][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6765.898276][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6765.898276][ T1076] ___sys_sendmsg+0xee/0x170 [ 6765.898276][ T1076] __sys_sendmsg+0xcd/0x170 [ 6765.898276][ T1076] do_syscall_64+0xc6/0x1e0 [ 6765.898276][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.898276][ T1076] [ 6776.149721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6776.150176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6776.150176][ T1076] netdev_get_by_index+0x5e/0x80 [ 6776.150176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6776.150176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6776.150176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6776.150176][ T1076] ipv6_add_addr+0x411/0x2000 [ 6776.150176][ T1076] inet6_addr_add+0x30e/0xa40 [ 6776.150176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.150176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.150176][ T1076] netlink_rcv_skb+0x130/0x360 [ 6776.150176][ T1076] netlink_unicast+0x449/0x710 [ 6776.150176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6776.150176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6776.150176][ T1076] ___sys_sendmsg+0xee/0x170 [ 6776.150176][ T1076] __sys_sendmsg+0xcd/0x170 [ 6776.150176][ T1076] do_syscall_64+0xc6/0x1e0 [ 6776.150176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.150176][ T1076] [ 6776.152496][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6776.152496][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6776.152496][ T1076] ipv6_find_idev+0x102/0x170 [ 6776.152496][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.152496][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.152496][ T1076] netlink_rcv_skb+0x130/0x360 [ 6776.152496][ T1076] netlink_unicast+0x449/0x710 [ 6776.152496][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6776.152496][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6776.152496][ T1076] ___sys_sendmsg+0xee/0x170 [ 6776.152496][ T1076] __sys_sendmsg+0xcd/0x170 [ 6776.152496][ T1076] do_syscall_64+0xc6/0x1e0 [ 6776.152496][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.152496][ T1076] [ 6776.154253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6776.154253][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6776.154253][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6776.154253][ T1076] ipv6_find_idev+0x102/0x170 [ 6776.154253][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.154253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.154253][ T1076] netlink_rcv_skb+0x130/0x360 [ 6776.154253][ T1076] netlink_unicast+0x449/0x710 [ 6776.154253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6776.154253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6776.154253][ T1076] ___sys_sendmsg+0xee/0x170 [ 6776.154253][ T1076] __sys_sendmsg+0xcd/0x170 [ 6776.154253][ T1076] do_syscall_64+0xc6/0x1e0 [ 6776.154253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.154253][ T1076] [ 6786.405650][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6786.406134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6786.406134][ T1076] netdev_get_by_index+0x5e/0x80 [ 6786.406134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6786.406134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6786.406134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6786.406134][ T1076] ipv6_add_addr+0x411/0x2000 [ 6786.406134][ T1076] inet6_addr_add+0x30e/0xa40 [ 6786.406134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6786.406134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6786.406134][ T1076] netlink_rcv_skb+0x130/0x360 [ 6786.406134][ T1076] netlink_unicast+0x449/0x710 [ 6786.406134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6786.406134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6786.406134][ T1076] ___sys_sendmsg+0xee/0x170 [ 6786.406134][ T1076] __sys_sendmsg+0xcd/0x170 [ 6786.406134][ T1076] do_syscall_64+0xc6/0x1e0 [ 6786.406134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6786.406134][ T1076] [ 6786.408466][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6786.408466][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6786.408466][ T1076] ipv6_find_idev+0x102/0x170 [ 6786.408466][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6786.408466][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6786.408466][ T1076] netlink_rcv_skb+0x130/0x360 [ 6786.408466][ T1076] netlink_unicast+0x449/0x710 [ 6786.408466][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6786.408466][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6786.408466][ T1076] ___sys_sendmsg+0xee/0x170 [ 6786.408466][ T1076] __sys_sendmsg+0xcd/0x170 [ 6786.408466][ T1076] do_syscall_64+0xc6/0x1e0 [ 6786.408466][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6786.408466][ T1076] [ 6786.410271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6786.410271][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6786.410271][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6786.410271][ T1076] ipv6_find_idev+0x102/0x170 [ 6786.410271][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6786.410271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6786.410271][ T1076] netlink_rcv_skb+0x130/0x360 [ 6786.410271][ T1076] netlink_unicast+0x449/0x710 [ 6786.410271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6786.410271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6786.410271][ T1076] ___sys_sendmsg+0xee/0x170 [ 6786.410271][ T1076] __sys_sendmsg+0xcd/0x170 [ 6786.410271][ T1076] do_syscall_64+0xc6/0x1e0 [ 6786.410271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6786.410271][ T1076] [ 6796.661653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6796.662136][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6796.662136][ T1076] netdev_get_by_index+0x5e/0x80 [ 6796.662136][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6796.662136][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6796.662136][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6796.662136][ T1076] ipv6_add_addr+0x411/0x2000 [ 6796.662136][ T1076] inet6_addr_add+0x30e/0xa40 [ 6796.662136][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.662136][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.662136][ T1076] netlink_rcv_skb+0x130/0x360 [ 6796.662136][ T1076] netlink_unicast+0x449/0x710 [ 6796.662136][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6796.662136][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6796.662136][ T1076] ___sys_sendmsg+0xee/0x170 [ 6796.662136][ T1076] __sys_sendmsg+0xcd/0x170 [ 6796.662136][ T1076] do_syscall_64+0xc6/0x1e0 [ 6796.662136][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.662136][ T1076] [ 6796.664471][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6796.664471][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6796.664471][ T1076] ipv6_find_idev+0x102/0x170 [ 6796.664471][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.664471][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.664471][ T1076] netlink_rcv_skb+0x130/0x360 [ 6796.664471][ T1076] netlink_unicast+0x449/0x710 [ 6796.664471][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6796.664471][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6796.664471][ T1076] ___sys_sendmsg+0xee/0x170 [ 6796.664471][ T1076] __sys_sendmsg+0xcd/0x170 [ 6796.664471][ T1076] do_syscall_64+0xc6/0x1e0 [ 6796.664471][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.664471][ T1076] [ 6796.666268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6796.666268][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6796.666268][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6796.666268][ T1076] ipv6_find_idev+0x102/0x170 [ 6796.666268][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.666268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.666268][ T1076] netlink_rcv_skb+0x130/0x360 [ 6796.666268][ T1076] netlink_unicast+0x449/0x710 [ 6796.666268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6796.666268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6796.666268][ T1076] ___sys_sendmsg+0xee/0x170 [ 6796.666268][ T1076] __sys_sendmsg+0xcd/0x170 [ 6796.666268][ T1076] do_syscall_64+0xc6/0x1e0 [ 6796.666268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.666268][ T1076] [ 6806.917671][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6806.918145][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6806.918145][ T1076] netdev_get_by_index+0x5e/0x80 [ 6806.918145][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6806.918145][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6806.918145][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6806.918145][ T1076] ipv6_add_addr+0x411/0x2000 [ 6806.918145][ T1076] inet6_addr_add+0x30e/0xa40 [ 6806.918145][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.918145][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.918145][ T1076] netlink_rcv_skb+0x130/0x360 [ 6806.918145][ T1076] netlink_unicast+0x449/0x710 [ 6806.918145][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6806.918145][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6806.918145][ T1076] ___sys_sendmsg+0xee/0x170 [ 6806.918145][ T1076] __sys_sendmsg+0xcd/0x170 [ 6806.918145][ T1076] do_syscall_64+0xc6/0x1e0 [ 6806.918145][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.918145][ T1076] [ 6806.920481][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6806.920481][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6806.920481][ T1076] ipv6_find_idev+0x102/0x170 [ 6806.920481][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.920481][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.920481][ T1076] netlink_rcv_skb+0x130/0x360 [ 6806.920481][ T1076] netlink_unicast+0x449/0x710 [ 6806.920481][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6806.920481][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6806.920481][ T1076] ___sys_sendmsg+0xee/0x170 [ 6806.920481][ T1076] __sys_sendmsg+0xcd/0x170 [ 6806.920481][ T1076] do_syscall_64+0xc6/0x1e0 [ 6806.920481][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.920481][ T1076] [ 6806.922302][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6806.922302][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6806.922302][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6806.922302][ T1076] ipv6_find_idev+0x102/0x170 [ 6806.922302][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.922302][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.922302][ T1076] netlink_rcv_skb+0x130/0x360 [ 6806.922302][ T1076] netlink_unicast+0x449/0x710 [ 6806.922302][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6806.922302][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6806.922302][ T1076] ___sys_sendmsg+0xee/0x170 [ 6806.922302][ T1076] __sys_sendmsg+0xcd/0x170 [ 6806.922302][ T1076] do_syscall_64+0xc6/0x1e0 [ 6806.922302][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.922302][ T1076] [ 6817.173748][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6817.174268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6817.174268][ T1076] netdev_get_by_index+0x5e/0x80 [ 6817.174268][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6817.174268][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6817.174268][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6817.174268][ T1076] ipv6_add_addr+0x411/0x2000 [ 6817.174268][ T1076] inet6_addr_add+0x30e/0xa40 [ 6817.174268][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.174268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.174268][ T1076] netlink_rcv_skb+0x130/0x360 [ 6817.174268][ T1076] netlink_unicast+0x449/0x710 [ 6817.174268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6817.174268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6817.174268][ T1076] ___sys_sendmsg+0xee/0x170 [ 6817.174268][ T1076] __sys_sendmsg+0xcd/0x170 [ 6817.174268][ T1076] do_syscall_64+0xc6/0x1e0 [ 6817.174268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.174268][ T1076] [ 6817.176589][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6817.176589][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6817.176589][ T1076] ipv6_find_idev+0x102/0x170 [ 6817.176589][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.176589][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.176589][ T1076] netlink_rcv_skb+0x130/0x360 [ 6817.176589][ T1076] netlink_unicast+0x449/0x710 [ 6817.176589][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6817.176589][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6817.176589][ T1076] ___sys_sendmsg+0xee/0x170 [ 6817.176589][ T1076] __sys_sendmsg+0xcd/0x170 [ 6817.176589][ T1076] do_syscall_64+0xc6/0x1e0 [ 6817.176589][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.176589][ T1076] [ 6817.178361][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6817.178361][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6817.178361][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6817.178361][ T1076] ipv6_find_idev+0x102/0x170 [ 6817.178361][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.178361][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.178361][ T1076] netlink_rcv_skb+0x130/0x360 [ 6817.178361][ T1076] netlink_unicast+0x449/0x710 [ 6817.178361][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6817.178361][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6817.178361][ T1076] ___sys_sendmsg+0xee/0x170 [ 6817.178361][ T1076] __sys_sendmsg+0xcd/0x170 [ 6817.178361][ T1076] do_syscall_64+0xc6/0x1e0 [ 6817.178361][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.178361][ T1076] [ 6827.429638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6827.430128][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6827.430128][ T1076] netdev_get_by_index+0x5e/0x80 [ 6827.430128][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6827.430128][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6827.430128][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6827.430128][ T1076] ipv6_add_addr+0x411/0x2000 [ 6827.430128][ T1076] inet6_addr_add+0x30e/0xa40 [ 6827.430128][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.430128][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.430128][ T1076] netlink_rcv_skb+0x130/0x360 [ 6827.430128][ T1076] netlink_unicast+0x449/0x710 [ 6827.430128][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6827.430128][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6827.430128][ T1076] ___sys_sendmsg+0xee/0x170 [ 6827.430128][ T1076] __sys_sendmsg+0xcd/0x170 [ 6827.430128][ T1076] do_syscall_64+0xc6/0x1e0 [ 6827.430128][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.430128][ T1076] [ 6827.432479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6827.432479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6827.432479][ T1076] ipv6_find_idev+0x102/0x170 [ 6827.432479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.432479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.432479][ T1076] netlink_rcv_skb+0x130/0x360 [ 6827.432479][ T1076] netlink_unicast+0x449/0x710 [ 6827.432479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6827.432479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6827.432479][ T1076] ___sys_sendmsg+0xee/0x170 [ 6827.432479][ T1076] __sys_sendmsg+0xcd/0x170 [ 6827.432479][ T1076] do_syscall_64+0xc6/0x1e0 [ 6827.432479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.432479][ T1076] [ 6827.434273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6827.434273][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6827.434273][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6827.434273][ T1076] ipv6_find_idev+0x102/0x170 [ 6827.434273][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.434273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.434273][ T1076] netlink_rcv_skb+0x130/0x360 [ 6827.434273][ T1076] netlink_unicast+0x449/0x710 [ 6827.434273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6827.434273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6827.434273][ T1076] ___sys_sendmsg+0xee/0x170 [ 6827.434273][ T1076] __sys_sendmsg+0xcd/0x170 [ 6827.434273][ T1076] do_syscall_64+0xc6/0x1e0 [ 6827.434273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.434273][ T1076] [ 6837.685641][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6837.686107][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6837.686107][ T1076] netdev_get_by_index+0x5e/0x80 [ 6837.686107][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6837.686107][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6837.686107][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6837.686107][ T1076] ipv6_add_addr+0x411/0x2000 [ 6837.686107][ T1076] inet6_addr_add+0x30e/0xa40 [ 6837.686107][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.686107][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.686107][ T1076] netlink_rcv_skb+0x130/0x360 [ 6837.686107][ T1076] netlink_unicast+0x449/0x710 [ 6837.686107][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6837.686107][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6837.686107][ T1076] ___sys_sendmsg+0xee/0x170 [ 6837.686107][ T1076] __sys_sendmsg+0xcd/0x170 [ 6837.686107][ T1076] do_syscall_64+0xc6/0x1e0 [ 6837.686107][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.686107][ T1076] [ 6837.689416][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6837.689416][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6837.689416][ T1076] ipv6_find_idev+0x102/0x170 [ 6837.689416][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.689416][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.689416][ T1076] netlink_rcv_skb+0x130/0x360 [ 6837.689416][ T1076] netlink_unicast+0x449/0x710 [ 6837.689416][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6837.689416][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6837.689416][ T1076] ___sys_sendmsg+0xee/0x170 [ 6837.689416][ T1076] __sys_sendmsg+0xcd/0x170 [ 6837.689416][ T1076] do_syscall_64+0xc6/0x1e0 [ 6837.689416][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.689416][ T1076] [ 6837.691250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6837.691250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6837.691250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6837.691250][ T1076] ipv6_find_idev+0x102/0x170 [ 6837.691250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.691250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.691250][ T1076] netlink_rcv_skb+0x130/0x360 [ 6837.691250][ T1076] netlink_unicast+0x449/0x710 [ 6837.691250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6837.691250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6837.691250][ T1076] ___sys_sendmsg+0xee/0x170 [ 6837.691250][ T1076] __sys_sendmsg+0xcd/0x170 [ 6837.691250][ T1076] do_syscall_64+0xc6/0x1e0 [ 6837.691250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.691250][ T1076] [ 6847.941640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6847.942110][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6847.942110][ T1076] netdev_get_by_index+0x5e/0x80 [ 6847.942110][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6847.942110][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6847.942110][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6847.942110][ T1076] ipv6_add_addr+0x411/0x2000 [ 6847.942110][ T1076] inet6_addr_add+0x30e/0xa40 [ 6847.942110][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.942110][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.942110][ T1076] netlink_rcv_skb+0x130/0x360 [ 6847.942110][ T1076] netlink_unicast+0x449/0x710 [ 6847.942110][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6847.942110][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6847.942110][ T1076] ___sys_sendmsg+0xee/0x170 [ 6847.942110][ T1076] __sys_sendmsg+0xcd/0x170 [ 6847.942110][ T1076] do_syscall_64+0xc6/0x1e0 [ 6847.942110][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.942110][ T1076] [ 6847.944452][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6847.944452][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6847.944452][ T1076] ipv6_find_idev+0x102/0x170 [ 6847.944452][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.944452][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.944452][ T1076] netlink_rcv_skb+0x130/0x360 [ 6847.944452][ T1076] netlink_unicast+0x449/0x710 [ 6847.944452][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6847.944452][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6847.944452][ T1076] ___sys_sendmsg+0xee/0x170 [ 6847.944452][ T1076] __sys_sendmsg+0xcd/0x170 [ 6847.944452][ T1076] do_syscall_64+0xc6/0x1e0 [ 6847.944452][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.944452][ T1076] [ 6847.946243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6847.946243][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6847.946243][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6847.946243][ T1076] ipv6_find_idev+0x102/0x170 [ 6847.946243][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.946243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.946243][ T1076] netlink_rcv_skb+0x130/0x360 [ 6847.946243][ T1076] netlink_unicast+0x449/0x710 [ 6847.946243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6847.946243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6847.946243][ T1076] ___sys_sendmsg+0xee/0x170 [ 6847.946243][ T1076] __sys_sendmsg+0xcd/0x170 [ 6847.946243][ T1076] do_syscall_64+0xc6/0x1e0 [ 6847.946243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.946243][ T1076] [ 6858.197663][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6858.198133][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6858.198133][ T1076] netdev_get_by_index+0x5e/0x80 [ 6858.198133][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6858.198133][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6858.198133][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6858.198133][ T1076] ipv6_add_addr+0x411/0x2000 [ 6858.198133][ T1076] inet6_addr_add+0x30e/0xa40 [ 6858.198133][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.198133][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.198133][ T1076] netlink_rcv_skb+0x130/0x360 [ 6858.198133][ T1076] netlink_unicast+0x449/0x710 [ 6858.198133][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6858.198133][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6858.198133][ T1076] ___sys_sendmsg+0xee/0x170 [ 6858.198133][ T1076] __sys_sendmsg+0xcd/0x170 [ 6858.198133][ T1076] do_syscall_64+0xc6/0x1e0 [ 6858.198133][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.198133][ T1076] [ 6858.200476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6858.200476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6858.200476][ T1076] ipv6_find_idev+0x102/0x170 [ 6858.200476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.200476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.200476][ T1076] netlink_rcv_skb+0x130/0x360 [ 6858.200476][ T1076] netlink_unicast+0x449/0x710 [ 6858.200476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6858.200476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6858.200476][ T1076] ___sys_sendmsg+0xee/0x170 [ 6858.200476][ T1076] __sys_sendmsg+0xcd/0x170 [ 6858.200476][ T1076] do_syscall_64+0xc6/0x1e0 [ 6858.200476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.200476][ T1076] [ 6858.202268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6858.202268][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6858.202268][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6858.202268][ T1076] ipv6_find_idev+0x102/0x170 [ 6858.202268][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.202268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.202268][ T1076] netlink_rcv_skb+0x130/0x360 [ 6858.202268][ T1076] netlink_unicast+0x449/0x710 [ 6858.202268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6858.202268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6858.202268][ T1076] ___sys_sendmsg+0xee/0x170 [ 6858.202268][ T1076] __sys_sendmsg+0xcd/0x170 [ 6858.202268][ T1076] do_syscall_64+0xc6/0x1e0 [ 6858.202268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.202268][ T1076] [ 6868.453642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6868.454114][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6868.454114][ T1076] netdev_get_by_index+0x5e/0x80 [ 6868.454114][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6868.454114][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6868.454114][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6868.454114][ T1076] ipv6_add_addr+0x411/0x2000 [ 6868.454114][ T1076] inet6_addr_add+0x30e/0xa40 [ 6868.454114][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.454114][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.454114][ T1076] netlink_rcv_skb+0x130/0x360 [ 6868.454114][ T1076] netlink_unicast+0x449/0x710 [ 6868.454114][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6868.454114][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6868.454114][ T1076] ___sys_sendmsg+0xee/0x170 [ 6868.454114][ T1076] __sys_sendmsg+0xcd/0x170 [ 6868.454114][ T1076] do_syscall_64+0xc6/0x1e0 [ 6868.454114][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.454114][ T1076] [ 6868.456482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6868.456482][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6868.456482][ T1076] ipv6_find_idev+0x102/0x170 [ 6868.456482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.456482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.456482][ T1076] netlink_rcv_skb+0x130/0x360 [ 6868.456482][ T1076] netlink_unicast+0x449/0x710 [ 6868.456482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6868.456482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6868.456482][ T1076] ___sys_sendmsg+0xee/0x170 [ 6868.456482][ T1076] __sys_sendmsg+0xcd/0x170 [ 6868.456482][ T1076] do_syscall_64+0xc6/0x1e0 [ 6868.456482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.456482][ T1076] [ 6868.458273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6868.458273][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6868.458273][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6868.458273][ T1076] ipv6_find_idev+0x102/0x170 [ 6868.458273][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.458273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.458273][ T1076] netlink_rcv_skb+0x130/0x360 [ 6868.458273][ T1076] netlink_unicast+0x449/0x710 [ 6868.458273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6868.458273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6868.458273][ T1076] ___sys_sendmsg+0xee/0x170 [ 6868.458273][ T1076] __sys_sendmsg+0xcd/0x170 [ 6868.458273][ T1076] do_syscall_64+0xc6/0x1e0 [ 6868.458273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.458273][ T1076] [ 6878.477642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6878.478106][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6878.478106][ T1076] netdev_get_by_index+0x5e/0x80 [ 6878.478106][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6878.478106][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6878.478106][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6878.478106][ T1076] ipv6_add_addr+0x411/0x2000 [ 6878.478106][ T1076] inet6_addr_add+0x30e/0xa40 [ 6878.478106][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.478106][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.478106][ T1076] netlink_rcv_skb+0x130/0x360 [ 6878.478106][ T1076] netlink_unicast+0x449/0x710 [ 6878.478106][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6878.478106][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6878.478106][ T1076] ___sys_sendmsg+0xee/0x170 [ 6878.478106][ T1076] __sys_sendmsg+0xcd/0x170 [ 6878.478106][ T1076] do_syscall_64+0xc6/0x1e0 [ 6878.478106][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.478106][ T1076] [ 6878.480450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6878.480450][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6878.480450][ T1076] ipv6_find_idev+0x102/0x170 [ 6878.480450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.480450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.480450][ T1076] netlink_rcv_skb+0x130/0x360 [ 6878.480450][ T1076] netlink_unicast+0x449/0x710 [ 6878.480450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6878.480450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6878.480450][ T1076] ___sys_sendmsg+0xee/0x170 [ 6878.480450][ T1076] __sys_sendmsg+0xcd/0x170 [ 6878.480450][ T1076] do_syscall_64+0xc6/0x1e0 [ 6878.480450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.480450][ T1076] [ 6878.482270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6878.482270][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6878.482270][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6878.482270][ T1076] ipv6_find_idev+0x102/0x170 [ 6878.482270][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.482270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.482270][ T1076] netlink_rcv_skb+0x130/0x360 [ 6878.482270][ T1076] netlink_unicast+0x449/0x710 [ 6878.482270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6878.482270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6878.482270][ T1076] ___sys_sendmsg+0xee/0x170 [ 6878.482270][ T1076] __sys_sendmsg+0xcd/0x170 [ 6878.482270][ T1076] do_syscall_64+0xc6/0x1e0 [ 6878.482270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.482270][ T1076] [ 6888.725635][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6888.726105][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6888.726105][ T1076] netdev_get_by_index+0x5e/0x80 [ 6888.726105][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6888.726105][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6888.726105][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6888.726105][ T1076] ipv6_add_addr+0x411/0x2000 [ 6888.726105][ T1076] inet6_addr_add+0x30e/0xa40 [ 6888.726105][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.726105][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.726105][ T1076] netlink_rcv_skb+0x130/0x360 [ 6888.726105][ T1076] netlink_unicast+0x449/0x710 [ 6888.726105][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6888.726105][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6888.726105][ T1076] ___sys_sendmsg+0xee/0x170 [ 6888.726105][ T1076] __sys_sendmsg+0xcd/0x170 [ 6888.726105][ T1076] do_syscall_64+0xc6/0x1e0 [ 6888.726105][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.726105][ T1076] [ 6888.728444][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6888.728444][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6888.728444][ T1076] ipv6_find_idev+0x102/0x170 [ 6888.728444][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.728444][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.728444][ T1076] netlink_rcv_skb+0x130/0x360 [ 6888.728444][ T1076] netlink_unicast+0x449/0x710 [ 6888.728444][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6888.728444][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6888.728444][ T1076] ___sys_sendmsg+0xee/0x170 [ 6888.728444][ T1076] __sys_sendmsg+0xcd/0x170 [ 6888.728444][ T1076] do_syscall_64+0xc6/0x1e0 [ 6888.728444][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.728444][ T1076] [ 6888.730241][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6888.730241][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6888.730241][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6888.730241][ T1076] ipv6_find_idev+0x102/0x170 [ 6888.730241][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.730241][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.730241][ T1076] netlink_rcv_skb+0x130/0x360 [ 6888.730241][ T1076] netlink_unicast+0x449/0x710 [ 6888.730241][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6888.730241][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6888.730241][ T1076] ___sys_sendmsg+0xee/0x170 [ 6888.730241][ T1076] __sys_sendmsg+0xcd/0x170 [ 6888.730241][ T1076] do_syscall_64+0xc6/0x1e0 [ 6888.730241][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.730241][ T1076] [ 6898.973722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6898.974195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6898.974195][ T1076] netdev_get_by_index+0x5e/0x80 [ 6898.974195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6898.974195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6898.974195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6898.974195][ T1076] ipv6_add_addr+0x411/0x2000 [ 6898.974195][ T1076] inet6_addr_add+0x30e/0xa40 [ 6898.974195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.974195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.974195][ T1076] netlink_rcv_skb+0x130/0x360 [ 6898.974195][ T1076] netlink_unicast+0x449/0x710 [ 6898.974195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6898.974195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6898.974195][ T1076] ___sys_sendmsg+0xee/0x170 [ 6898.974195][ T1076] __sys_sendmsg+0xcd/0x170 [ 6898.974195][ T1076] do_syscall_64+0xc6/0x1e0 [ 6898.974195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.974195][ T1076] [ 6898.976513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6898.976513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6898.976513][ T1076] ipv6_find_idev+0x102/0x170 [ 6898.976513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.976513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.976513][ T1076] netlink_rcv_skb+0x130/0x360 [ 6898.976513][ T1076] netlink_unicast+0x449/0x710 [ 6898.976513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6898.976513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6898.976513][ T1076] ___sys_sendmsg+0xee/0x170 [ 6898.976513][ T1076] __sys_sendmsg+0xcd/0x170 [ 6898.976513][ T1076] do_syscall_64+0xc6/0x1e0 [ 6898.976513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.976513][ T1076] [ 6898.978287][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6898.978287][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6898.978287][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6898.978287][ T1076] ipv6_find_idev+0x102/0x170 [ 6898.978287][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.978287][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.978287][ T1076] netlink_rcv_skb+0x130/0x360 [ 6898.978287][ T1076] netlink_unicast+0x449/0x710 [ 6898.978287][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6898.978287][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6898.978287][ T1076] ___sys_sendmsg+0xee/0x170 [ 6898.978287][ T1076] __sys_sendmsg+0xcd/0x170 [ 6898.978287][ T1076] do_syscall_64+0xc6/0x1e0 [ 6898.978287][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.978287][ T1076] [ 6909.221700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6909.222161][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6909.222161][ T1076] netdev_get_by_index+0x5e/0x80 [ 6909.222161][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6909.222161][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6909.222161][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6909.222161][ T1076] ipv6_add_addr+0x411/0x2000 [ 6909.222161][ T1076] inet6_addr_add+0x30e/0xa40 [ 6909.222161][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6909.222161][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6909.222161][ T1076] netlink_rcv_skb+0x130/0x360 [ 6909.222161][ T1076] netlink_unicast+0x449/0x710 [ 6909.222161][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6909.222161][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6909.222161][ T1076] ___sys_sendmsg+0xee/0x170 [ 6909.222161][ T1076] __sys_sendmsg+0xcd/0x170 [ 6909.222161][ T1076] do_syscall_64+0xc6/0x1e0 [ 6909.222161][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6909.222161][ T1076] [ 6909.224494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6909.224494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6909.224494][ T1076] ipv6_find_idev+0x102/0x170 [ 6909.224494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6909.224494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6909.224494][ T1076] netlink_rcv_skb+0x130/0x360 [ 6909.224494][ T1076] netlink_unicast+0x449/0x710 [ 6909.224494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6909.224494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6909.224494][ T1076] ___sys_sendmsg+0xee/0x170 [ 6909.224494][ T1076] __sys_sendmsg+0xcd/0x170 [ 6909.224494][ T1076] do_syscall_64+0xc6/0x1e0 [ 6909.224494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6909.224494][ T1076] [ 6909.226269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6909.226269][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6909.226269][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6909.226269][ T1076] ipv6_find_idev+0x102/0x170 [ 6909.226269][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6909.226269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6909.226269][ T1076] netlink_rcv_skb+0x130/0x360 [ 6909.226269][ T1076] netlink_unicast+0x449/0x710 [ 6909.226269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6909.226269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6909.226269][ T1076] ___sys_sendmsg+0xee/0x170 [ 6909.226269][ T1076] __sys_sendmsg+0xcd/0x170 [ 6909.226269][ T1076] do_syscall_64+0xc6/0x1e0 [ 6909.226269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6909.226269][ T1076] [ 6919.317724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6919.318185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6919.318185][ T1076] netdev_get_by_index+0x5e/0x80 [ 6919.318185][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6919.318185][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6919.318185][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6919.318185][ T1076] ipv6_add_addr+0x411/0x2000 [ 6919.318185][ T1076] inet6_addr_add+0x30e/0xa40 [ 6919.318185][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.318185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.318185][ T1076] netlink_rcv_skb+0x130/0x360 [ 6919.318185][ T1076] netlink_unicast+0x449/0x710 [ 6919.318185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6919.318185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6919.318185][ T1076] ___sys_sendmsg+0xee/0x170 [ 6919.318185][ T1076] __sys_sendmsg+0xcd/0x170 [ 6919.318185][ T1076] do_syscall_64+0xc6/0x1e0 [ 6919.318185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.318185][ T1076] [ 6919.320514][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6919.320514][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6919.320514][ T1076] ipv6_find_idev+0x102/0x170 [ 6919.320514][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.320514][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.320514][ T1076] netlink_rcv_skb+0x130/0x360 [ 6919.320514][ T1076] netlink_unicast+0x449/0x710 [ 6919.320514][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6919.320514][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6919.320514][ T1076] ___sys_sendmsg+0xee/0x170 [ 6919.320514][ T1076] __sys_sendmsg+0xcd/0x170 [ 6919.320514][ T1076] do_syscall_64+0xc6/0x1e0 [ 6919.320514][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.320514][ T1076] [ 6919.322314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6919.322314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6919.322314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6919.322314][ T1076] ipv6_find_idev+0x102/0x170 [ 6919.322314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.322314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.322314][ T1076] netlink_rcv_skb+0x130/0x360 [ 6919.322314][ T1076] netlink_unicast+0x449/0x710 [ 6919.322314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6919.322314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6919.322314][ T1076] ___sys_sendmsg+0xee/0x170 [ 6919.322314][ T1076] __sys_sendmsg+0xcd/0x170 [ 6919.322314][ T1076] do_syscall_64+0xc6/0x1e0 [ 6919.322314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.322314][ T1076] [ 6929.493742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6929.494224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6929.494224][ T1076] netdev_get_by_index+0x5e/0x80 [ 6929.494224][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6929.494224][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6929.494224][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6929.494224][ T1076] ipv6_add_addr+0x411/0x2000 [ 6929.494224][ T1076] inet6_addr_add+0x30e/0xa40 [ 6929.494224][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.494224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.494224][ T1076] netlink_rcv_skb+0x130/0x360 [ 6929.494224][ T1076] netlink_unicast+0x449/0x710 [ 6929.494224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6929.494224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6929.494224][ T1076] ___sys_sendmsg+0xee/0x170 [ 6929.494224][ T1076] __sys_sendmsg+0xcd/0x170 [ 6929.494224][ T1076] do_syscall_64+0xc6/0x1e0 [ 6929.494224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.494224][ T1076] [ 6929.496775][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6929.496775][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6929.496775][ T1076] ipv6_find_idev+0x102/0x170 [ 6929.496775][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.496775][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.496775][ T1076] netlink_rcv_skb+0x130/0x360 [ 6929.496775][ T1076] netlink_unicast+0x449/0x710 [ 6929.496775][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6929.496775][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6929.496775][ T1076] ___sys_sendmsg+0xee/0x170 [ 6929.496775][ T1076] __sys_sendmsg+0xcd/0x170 [ 6929.496775][ T1076] do_syscall_64+0xc6/0x1e0 [ 6929.496775][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.496775][ T1076] [ 6929.498720][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6929.498720][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6929.498720][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6929.498720][ T1076] ipv6_find_idev+0x102/0x170 [ 6929.498720][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.498720][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.498720][ T1076] netlink_rcv_skb+0x130/0x360 [ 6929.498720][ T1076] netlink_unicast+0x449/0x710 [ 6929.498720][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6929.498720][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6929.498720][ T1076] ___sys_sendmsg+0xee/0x170 [ 6929.498720][ T1076] __sys_sendmsg+0xcd/0x170 [ 6929.498720][ T1076] do_syscall_64+0xc6/0x1e0 [ 6929.498720][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.498720][ T1076] [ 6939.741702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6939.742165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6939.742165][ T1076] netdev_get_by_index+0x5e/0x80 [ 6939.742165][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6939.742165][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6939.742165][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6939.742165][ T1076] ipv6_add_addr+0x411/0x2000 [ 6939.742165][ T1076] inet6_addr_add+0x30e/0xa40 [ 6939.742165][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.742165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.742165][ T1076] netlink_rcv_skb+0x130/0x360 [ 6939.742165][ T1076] netlink_unicast+0x449/0x710 [ 6939.742165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6939.742165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6939.742165][ T1076] ___sys_sendmsg+0xee/0x170 [ 6939.742165][ T1076] __sys_sendmsg+0xcd/0x170 [ 6939.742165][ T1076] do_syscall_64+0xc6/0x1e0 [ 6939.742165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.742165][ T1076] [ 6939.744641][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6939.744641][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6939.744641][ T1076] ipv6_find_idev+0x102/0x170 [ 6939.744641][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.744641][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.744641][ T1076] netlink_rcv_skb+0x130/0x360 [ 6939.744641][ T1076] netlink_unicast+0x449/0x710 [ 6939.744641][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6939.744641][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6939.744641][ T1076] ___sys_sendmsg+0xee/0x170 [ 6939.744641][ T1076] __sys_sendmsg+0xcd/0x170 [ 6939.744641][ T1076] do_syscall_64+0xc6/0x1e0 [ 6939.744641][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.744641][ T1076] [ 6939.746604][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6939.746604][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6939.746604][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6939.746604][ T1076] ipv6_find_idev+0x102/0x170 [ 6939.746604][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.746604][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.746604][ T1076] netlink_rcv_skb+0x130/0x360 [ 6939.746604][ T1076] netlink_unicast+0x449/0x710 [ 6939.746604][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6939.746604][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6939.746604][ T1076] ___sys_sendmsg+0xee/0x170 [ 6939.746604][ T1076] __sys_sendmsg+0xcd/0x170 [ 6939.746604][ T1076] do_syscall_64+0xc6/0x1e0 [ 6939.746604][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.746604][ T1076] [ 6949.989711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6949.990170][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6949.990170][ T1076] netdev_get_by_index+0x5e/0x80 [ 6949.990170][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6949.990170][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6949.990170][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6949.990170][ T1076] ipv6_add_addr+0x411/0x2000 [ 6949.990170][ T1076] inet6_addr_add+0x30e/0xa40 [ 6949.990170][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.990170][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.990170][ T1076] netlink_rcv_skb+0x130/0x360 [ 6949.990170][ T1076] netlink_unicast+0x449/0x710 [ 6949.990170][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6949.990170][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6949.990170][ T1076] ___sys_sendmsg+0xee/0x170 [ 6949.990170][ T1076] __sys_sendmsg+0xcd/0x170 [ 6949.990170][ T1076] do_syscall_64+0xc6/0x1e0 [ 6949.990170][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.990170][ T1076] [ 6949.992722][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6949.992722][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6949.992722][ T1076] ipv6_find_idev+0x102/0x170 [ 6949.992722][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.992722][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.992722][ T1076] netlink_rcv_skb+0x130/0x360 [ 6949.992722][ T1076] netlink_unicast+0x449/0x710 [ 6949.992722][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6949.992722][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6949.992722][ T1076] ___sys_sendmsg+0xee/0x170 [ 6949.992722][ T1076] __sys_sendmsg+0xcd/0x170 [ 6949.992722][ T1076] do_syscall_64+0xc6/0x1e0 [ 6949.992722][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.992722][ T1076] [ 6949.994623][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6949.994623][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6949.994623][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6949.994623][ T1076] ipv6_find_idev+0x102/0x170 [ 6949.994623][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.994623][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.994623][ T1076] netlink_rcv_skb+0x130/0x360 [ 6949.994623][ T1076] netlink_unicast+0x449/0x710 [ 6949.994623][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6949.994623][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6949.994623][ T1076] ___sys_sendmsg+0xee/0x170 [ 6949.994623][ T1076] __sys_sendmsg+0xcd/0x170 [ 6949.994623][ T1076] do_syscall_64+0xc6/0x1e0 [ 6949.994623][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.994623][ T1076] [ 6960.237698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6960.238134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6960.238134][ T1076] netdev_get_by_index+0x5e/0x80 [ 6960.238134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6960.238134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6960.238134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6960.238134][ T1076] ipv6_add_addr+0x411/0x2000 [ 6960.238134][ T1076] inet6_addr_add+0x30e/0xa40 [ 6960.238134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.238134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.238134][ T1076] netlink_rcv_skb+0x130/0x360 [ 6960.238134][ T1076] netlink_unicast+0x449/0x710 [ 6960.238134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6960.238134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6960.238134][ T1076] ___sys_sendmsg+0xee/0x170 [ 6960.238134][ T1076] __sys_sendmsg+0xcd/0x170 [ 6960.238134][ T1076] do_syscall_64+0xc6/0x1e0 [ 6960.238134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.238134][ T1076] [ 6960.240564][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6960.240564][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6960.240564][ T1076] ipv6_find_idev+0x102/0x170 [ 6960.240564][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.240564][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.240564][ T1076] netlink_rcv_skb+0x130/0x360 [ 6960.240564][ T1076] netlink_unicast+0x449/0x710 [ 6960.240564][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6960.240564][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6960.240564][ T1076] ___sys_sendmsg+0xee/0x170 [ 6960.240564][ T1076] __sys_sendmsg+0xcd/0x170 [ 6960.240564][ T1076] do_syscall_64+0xc6/0x1e0 [ 6960.240564][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.240564][ T1076] [ 6960.242503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6960.242503][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6960.242503][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6960.242503][ T1076] ipv6_find_idev+0x102/0x170 [ 6960.242503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.242503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.242503][ T1076] netlink_rcv_skb+0x130/0x360 [ 6960.242503][ T1076] netlink_unicast+0x449/0x710 [ 6960.242503][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6960.242503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6960.242503][ T1076] ___sys_sendmsg+0xee/0x170 [ 6960.242503][ T1076] __sys_sendmsg+0xcd/0x170 [ 6960.242503][ T1076] do_syscall_64+0xc6/0x1e0 [ 6960.242503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.242503][ T1076] [ 6970.485715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6970.486171][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6970.486171][ T1076] netdev_get_by_index+0x5e/0x80 [ 6970.486171][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6970.486171][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6970.486171][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6970.486171][ T1076] ipv6_add_addr+0x411/0x2000 [ 6970.486171][ T1076] inet6_addr_add+0x30e/0xa40 [ 6970.486171][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.486171][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.486171][ T1076] netlink_rcv_skb+0x130/0x360 [ 6970.486171][ T1076] netlink_unicast+0x449/0x710 [ 6970.486171][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6970.486171][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6970.486171][ T1076] ___sys_sendmsg+0xee/0x170 [ 6970.486171][ T1076] __sys_sendmsg+0xcd/0x170 [ 6970.486171][ T1076] do_syscall_64+0xc6/0x1e0 [ 6970.486171][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.486171][ T1076] [ 6970.488468][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6970.488468][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6970.488468][ T1076] ipv6_find_idev+0x102/0x170 [ 6970.488468][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.488468][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.488468][ T1076] netlink_rcv_skb+0x130/0x360 [ 6970.488468][ T1076] netlink_unicast+0x449/0x710 [ 6970.488468][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6970.488468][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6970.488468][ T1076] ___sys_sendmsg+0xee/0x170 [ 6970.488468][ T1076] __sys_sendmsg+0xcd/0x170 [ 6970.488468][ T1076] do_syscall_64+0xc6/0x1e0 [ 6970.488468][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.488468][ T1076] [ 6970.490220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6970.490220][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6970.490220][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6970.490220][ T1076] ipv6_find_idev+0x102/0x170 [ 6970.490220][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.490220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.490220][ T1076] netlink_rcv_skb+0x130/0x360 [ 6970.490220][ T1076] netlink_unicast+0x449/0x710 [ 6970.490220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6970.490220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6970.490220][ T1076] ___sys_sendmsg+0xee/0x170 [ 6970.490220][ T1076] __sys_sendmsg+0xcd/0x170 [ 6970.490220][ T1076] do_syscall_64+0xc6/0x1e0 [ 6970.490220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.490220][ T1076] [ 6980.733701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6980.734150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6980.734150][ T1076] netdev_get_by_index+0x5e/0x80 [ 6980.734150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6980.734150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6980.734150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6980.734150][ T1076] ipv6_add_addr+0x411/0x2000 [ 6980.734150][ T1076] inet6_addr_add+0x30e/0xa40 [ 6980.734150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.734150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.734150][ T1076] netlink_rcv_skb+0x130/0x360 [ 6980.734150][ T1076] netlink_unicast+0x449/0x710 [ 6980.734150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6980.734150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6980.734150][ T1076] ___sys_sendmsg+0xee/0x170 [ 6980.734150][ T1076] __sys_sendmsg+0xcd/0x170 [ 6980.734150][ T1076] do_syscall_64+0xc6/0x1e0 [ 6980.734150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.734150][ T1076] [ 6980.736448][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6980.736448][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6980.736448][ T1076] ipv6_find_idev+0x102/0x170 [ 6980.736448][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.736448][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.736448][ T1076] netlink_rcv_skb+0x130/0x360 [ 6980.736448][ T1076] netlink_unicast+0x449/0x710 [ 6980.736448][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6980.736448][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6980.736448][ T1076] ___sys_sendmsg+0xee/0x170 [ 6980.736448][ T1076] __sys_sendmsg+0xcd/0x170 [ 6980.736448][ T1076] do_syscall_64+0xc6/0x1e0 [ 6980.736448][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.736448][ T1076] [ 6980.738195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6980.738195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6980.738195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6980.738195][ T1076] ipv6_find_idev+0x102/0x170 [ 6980.738195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.738195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.738195][ T1076] netlink_rcv_skb+0x130/0x360 [ 6980.738195][ T1076] netlink_unicast+0x449/0x710 [ 6980.738195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6980.738195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6980.738195][ T1076] ___sys_sendmsg+0xee/0x170 [ 6980.738195][ T1076] __sys_sendmsg+0xcd/0x170 [ 6980.738195][ T1076] do_syscall_64+0xc6/0x1e0 [ 6980.738195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.738195][ T1076] [ 6990.957710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 6990.958150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6990.958150][ T1076] netdev_get_by_index+0x5e/0x80 [ 6990.958150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 6990.958150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 6990.958150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 6990.958150][ T1076] ipv6_add_addr+0x411/0x2000 [ 6990.958150][ T1076] inet6_addr_add+0x30e/0xa40 [ 6990.958150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.958150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.958150][ T1076] netlink_rcv_skb+0x130/0x360 [ 6990.958150][ T1076] netlink_unicast+0x449/0x710 [ 6990.958150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6990.958150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6990.958150][ T1076] ___sys_sendmsg+0xee/0x170 [ 6990.958150][ T1076] __sys_sendmsg+0xcd/0x170 [ 6990.958150][ T1076] do_syscall_64+0xc6/0x1e0 [ 6990.958150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.958150][ T1076] [ 6990.960444][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6990.960444][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 6990.960444][ T1076] ipv6_find_idev+0x102/0x170 [ 6990.960444][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.960444][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.960444][ T1076] netlink_rcv_skb+0x130/0x360 [ 6990.960444][ T1076] netlink_unicast+0x449/0x710 [ 6990.960444][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6990.960444][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6990.960444][ T1076] ___sys_sendmsg+0xee/0x170 [ 6990.960444][ T1076] __sys_sendmsg+0xcd/0x170 [ 6990.960444][ T1076] do_syscall_64+0xc6/0x1e0 [ 6990.960444][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.960444][ T1076] [ 6990.962236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 6990.962236][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 6990.962236][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 6990.962236][ T1076] ipv6_find_idev+0x102/0x170 [ 6990.962236][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.962236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.962236][ T1076] netlink_rcv_skb+0x130/0x360 [ 6990.962236][ T1076] netlink_unicast+0x449/0x710 [ 6990.962236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 6990.962236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 6990.962236][ T1076] ___sys_sendmsg+0xee/0x170 [ 6990.962236][ T1076] __sys_sendmsg+0xcd/0x170 [ 6990.962236][ T1076] do_syscall_64+0xc6/0x1e0 [ 6990.962236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.962236][ T1076] [ 7001.213710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7001.214173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7001.214173][ T1076] netdev_get_by_index+0x5e/0x80 [ 7001.214173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7001.214173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7001.214173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7001.214173][ T1076] ipv6_add_addr+0x411/0x2000 [ 7001.214173][ T1076] inet6_addr_add+0x30e/0xa40 [ 7001.214173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.214173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.214173][ T1076] netlink_rcv_skb+0x130/0x360 [ 7001.214173][ T1076] netlink_unicast+0x449/0x710 [ 7001.214173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7001.214173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7001.214173][ T1076] ___sys_sendmsg+0xee/0x170 [ 7001.214173][ T1076] __sys_sendmsg+0xcd/0x170 [ 7001.214173][ T1076] do_syscall_64+0xc6/0x1e0 [ 7001.214173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.214173][ T1076] [ 7001.216475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7001.216475][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7001.216475][ T1076] ipv6_find_idev+0x102/0x170 [ 7001.216475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.216475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.216475][ T1076] netlink_rcv_skb+0x130/0x360 [ 7001.216475][ T1076] netlink_unicast+0x449/0x710 [ 7001.216475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7001.216475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7001.216475][ T1076] ___sys_sendmsg+0xee/0x170 [ 7001.216475][ T1076] __sys_sendmsg+0xcd/0x170 [ 7001.216475][ T1076] do_syscall_64+0xc6/0x1e0 [ 7001.216475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.216475][ T1076] [ 7001.218251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7001.218251][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7001.218251][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7001.218251][ T1076] ipv6_find_idev+0x102/0x170 [ 7001.218251][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.218251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.218251][ T1076] netlink_rcv_skb+0x130/0x360 [ 7001.218251][ T1076] netlink_unicast+0x449/0x710 [ 7001.218251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7001.218251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7001.218251][ T1076] ___sys_sendmsg+0xee/0x170 [ 7001.218251][ T1076] __sys_sendmsg+0xcd/0x170 [ 7001.218251][ T1076] do_syscall_64+0xc6/0x1e0 [ 7001.218251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.218251][ T1076] [ 7011.469732][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7011.470191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7011.470191][ T1076] netdev_get_by_index+0x5e/0x80 [ 7011.470191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7011.470191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7011.470191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7011.470191][ T1076] ipv6_add_addr+0x411/0x2000 [ 7011.470191][ T1076] inet6_addr_add+0x30e/0xa40 [ 7011.470191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.470191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.470191][ T1076] netlink_rcv_skb+0x130/0x360 [ 7011.470191][ T1076] netlink_unicast+0x449/0x710 [ 7011.470191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7011.470191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7011.470191][ T1076] ___sys_sendmsg+0xee/0x170 [ 7011.470191][ T1076] __sys_sendmsg+0xcd/0x170 [ 7011.470191][ T1076] do_syscall_64+0xc6/0x1e0 [ 7011.470191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.470191][ T1076] [ 7011.472534][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7011.472534][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7011.472534][ T1076] ipv6_find_idev+0x102/0x170 [ 7011.472534][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.472534][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.472534][ T1076] netlink_rcv_skb+0x130/0x360 [ 7011.472534][ T1076] netlink_unicast+0x449/0x710 [ 7011.472534][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7011.472534][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7011.472534][ T1076] ___sys_sendmsg+0xee/0x170 [ 7011.472534][ T1076] __sys_sendmsg+0xcd/0x170 [ 7011.472534][ T1076] do_syscall_64+0xc6/0x1e0 [ 7011.472534][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.472534][ T1076] [ 7011.474311][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7011.474311][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7011.474311][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7011.474311][ T1076] ipv6_find_idev+0x102/0x170 [ 7011.474311][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.474311][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.474311][ T1076] netlink_rcv_skb+0x130/0x360 [ 7011.474311][ T1076] netlink_unicast+0x449/0x710 [ 7011.474311][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7011.474311][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7011.474311][ T1076] ___sys_sendmsg+0xee/0x170 [ 7011.474311][ T1076] __sys_sendmsg+0xcd/0x170 [ 7011.474311][ T1076] do_syscall_64+0xc6/0x1e0 [ 7011.474311][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.474311][ T1076] [ 7021.597716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7021.598177][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7021.598177][ T1076] netdev_get_by_index+0x5e/0x80 [ 7021.598177][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7021.598177][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7021.598177][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7021.598177][ T1076] ipv6_add_addr+0x411/0x2000 [ 7021.598177][ T1076] inet6_addr_add+0x30e/0xa40 [ 7021.598177][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.598177][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.598177][ T1076] netlink_rcv_skb+0x130/0x360 [ 7021.598177][ T1076] netlink_unicast+0x449/0x710 [ 7021.598177][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7021.598177][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7021.598177][ T1076] ___sys_sendmsg+0xee/0x170 [ 7021.598177][ T1076] __sys_sendmsg+0xcd/0x170 [ 7021.598177][ T1076] do_syscall_64+0xc6/0x1e0 [ 7021.598177][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.598177][ T1076] [ 7021.600665][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7021.600665][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7021.600665][ T1076] ipv6_find_idev+0x102/0x170 [ 7021.600665][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.600665][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.600665][ T1076] netlink_rcv_skb+0x130/0x360 [ 7021.600665][ T1076] netlink_unicast+0x449/0x710 [ 7021.600665][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7021.600665][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7021.600665][ T1076] ___sys_sendmsg+0xee/0x170 [ 7021.600665][ T1076] __sys_sendmsg+0xcd/0x170 [ 7021.600665][ T1076] do_syscall_64+0xc6/0x1e0 [ 7021.600665][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.600665][ T1076] [ 7021.602594][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7021.602594][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7021.602594][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7021.602594][ T1076] ipv6_find_idev+0x102/0x170 [ 7021.602594][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.602594][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.602594][ T1076] netlink_rcv_skb+0x130/0x360 [ 7021.602594][ T1076] netlink_unicast+0x449/0x710 [ 7021.602594][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7021.602594][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7021.602594][ T1076] ___sys_sendmsg+0xee/0x170 [ 7021.602594][ T1076] __sys_sendmsg+0xcd/0x170 [ 7021.602594][ T1076] do_syscall_64+0xc6/0x1e0 [ 7021.602594][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.602594][ T1076] [ 7031.685734][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7031.686176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7031.686176][ T1076] netdev_get_by_index+0x5e/0x80 [ 7031.686176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7031.686176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7031.686176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7031.686176][ T1076] ipv6_add_addr+0x411/0x2000 [ 7031.686176][ T1076] inet6_addr_add+0x30e/0xa40 [ 7031.686176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.686176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.686176][ T1076] netlink_rcv_skb+0x130/0x360 [ 7031.686176][ T1076] netlink_unicast+0x449/0x710 [ 7031.686176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7031.686176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7031.686176][ T1076] ___sys_sendmsg+0xee/0x170 [ 7031.686176][ T1076] __sys_sendmsg+0xcd/0x170 [ 7031.686176][ T1076] do_syscall_64+0xc6/0x1e0 [ 7031.686176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.686176][ T1076] [ 7031.688476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7031.688476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7031.688476][ T1076] ipv6_find_idev+0x102/0x170 [ 7031.688476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.688476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.688476][ T1076] netlink_rcv_skb+0x130/0x360 [ 7031.688476][ T1076] netlink_unicast+0x449/0x710 [ 7031.688476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7031.688476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7031.688476][ T1076] ___sys_sendmsg+0xee/0x170 [ 7031.688476][ T1076] __sys_sendmsg+0xcd/0x170 [ 7031.688476][ T1076] do_syscall_64+0xc6/0x1e0 [ 7031.688476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.688476][ T1076] [ 7031.690233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7031.690233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7031.690233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7031.690233][ T1076] ipv6_find_idev+0x102/0x170 [ 7031.690233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.690233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.690233][ T1076] netlink_rcv_skb+0x130/0x360 [ 7031.690233][ T1076] netlink_unicast+0x449/0x710 [ 7031.690233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7031.690233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7031.690233][ T1076] ___sys_sendmsg+0xee/0x170 [ 7031.690233][ T1076] __sys_sendmsg+0xcd/0x170 [ 7031.690233][ T1076] do_syscall_64+0xc6/0x1e0 [ 7031.690233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.690233][ T1076] [ 7041.933640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7041.934102][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7041.934102][ T1076] netdev_get_by_index+0x5e/0x80 [ 7041.934102][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7041.934102][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7041.934102][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7041.934102][ T1076] ipv6_add_addr+0x411/0x2000 [ 7041.934102][ T1076] inet6_addr_add+0x30e/0xa40 [ 7041.934102][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7041.934102][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.934102][ T1076] netlink_rcv_skb+0x130/0x360 [ 7041.934102][ T1076] netlink_unicast+0x449/0x710 [ 7041.934102][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7041.934102][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7041.934102][ T1076] ___sys_sendmsg+0xee/0x170 [ 7041.934102][ T1076] __sys_sendmsg+0xcd/0x170 [ 7041.934102][ T1076] do_syscall_64+0xc6/0x1e0 [ 7041.934102][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.934102][ T1076] [ 7041.936389][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7041.936389][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7041.936389][ T1076] ipv6_find_idev+0x102/0x170 [ 7041.936389][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7041.936389][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.936389][ T1076] netlink_rcv_skb+0x130/0x360 [ 7041.936389][ T1076] netlink_unicast+0x449/0x710 [ 7041.936389][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7041.936389][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7041.936389][ T1076] ___sys_sendmsg+0xee/0x170 [ 7041.936389][ T1076] __sys_sendmsg+0xcd/0x170 [ 7041.936389][ T1076] do_syscall_64+0xc6/0x1e0 [ 7041.936389][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.936389][ T1076] [ 7041.938147][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7041.938147][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7041.938147][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7041.938147][ T1076] ipv6_find_idev+0x102/0x170 [ 7041.938147][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7041.938147][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.938147][ T1076] netlink_rcv_skb+0x130/0x360 [ 7041.938147][ T1076] netlink_unicast+0x449/0x710 [ 7041.938147][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7041.938147][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7041.938147][ T1076] ___sys_sendmsg+0xee/0x170 [ 7041.938147][ T1076] __sys_sendmsg+0xcd/0x170 [ 7041.938147][ T1076] do_syscall_64+0xc6/0x1e0 [ 7041.938147][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.938147][ T1076] [ 7052.181635][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7052.182089][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7052.182089][ T1076] netdev_get_by_index+0x5e/0x80 [ 7052.182089][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7052.182089][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7052.182089][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7052.182089][ T1076] ipv6_add_addr+0x411/0x2000 [ 7052.182089][ T1076] inet6_addr_add+0x30e/0xa40 [ 7052.182089][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.182089][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.182089][ T1076] netlink_rcv_skb+0x130/0x360 [ 7052.182089][ T1076] netlink_unicast+0x449/0x710 [ 7052.182089][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7052.182089][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7052.182089][ T1076] ___sys_sendmsg+0xee/0x170 [ 7052.182089][ T1076] __sys_sendmsg+0xcd/0x170 [ 7052.182089][ T1076] do_syscall_64+0xc6/0x1e0 [ 7052.182089][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.182089][ T1076] [ 7052.184378][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7052.184378][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7052.184378][ T1076] ipv6_find_idev+0x102/0x170 [ 7052.184378][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.184378][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.184378][ T1076] netlink_rcv_skb+0x130/0x360 [ 7052.184378][ T1076] netlink_unicast+0x449/0x710 [ 7052.184378][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7052.184378][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7052.184378][ T1076] ___sys_sendmsg+0xee/0x170 [ 7052.184378][ T1076] __sys_sendmsg+0xcd/0x170 [ 7052.184378][ T1076] do_syscall_64+0xc6/0x1e0 [ 7052.184378][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.184378][ T1076] [ 7052.186133][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7052.186133][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7052.186133][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7052.186133][ T1076] ipv6_find_idev+0x102/0x170 [ 7052.186133][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.186133][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.186133][ T1076] netlink_rcv_skb+0x130/0x360 [ 7052.186133][ T1076] netlink_unicast+0x449/0x710 [ 7052.186133][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7052.186133][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7052.186133][ T1076] ___sys_sendmsg+0xee/0x170 [ 7052.186133][ T1076] __sys_sendmsg+0xcd/0x170 [ 7052.186133][ T1076] do_syscall_64+0xc6/0x1e0 [ 7052.186133][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.186133][ T1076] [ 7062.429713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7062.430164][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7062.430164][ T1076] netdev_get_by_index+0x5e/0x80 [ 7062.430164][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7062.430164][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7062.430164][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7062.430164][ T1076] ipv6_add_addr+0x411/0x2000 [ 7062.430164][ T1076] inet6_addr_add+0x30e/0xa40 [ 7062.430164][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.430164][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.430164][ T1076] netlink_rcv_skb+0x130/0x360 [ 7062.430164][ T1076] netlink_unicast+0x449/0x710 [ 7062.430164][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7062.430164][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7062.430164][ T1076] ___sys_sendmsg+0xee/0x170 [ 7062.430164][ T1076] __sys_sendmsg+0xcd/0x170 [ 7062.430164][ T1076] do_syscall_64+0xc6/0x1e0 [ 7062.430164][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.430164][ T1076] [ 7062.432451][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7062.432451][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7062.432451][ T1076] ipv6_find_idev+0x102/0x170 [ 7062.432451][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.432451][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.432451][ T1076] netlink_rcv_skb+0x130/0x360 [ 7062.432451][ T1076] netlink_unicast+0x449/0x710 [ 7062.432451][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7062.432451][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7062.432451][ T1076] ___sys_sendmsg+0xee/0x170 [ 7062.432451][ T1076] __sys_sendmsg+0xcd/0x170 [ 7062.432451][ T1076] do_syscall_64+0xc6/0x1e0 [ 7062.432451][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.432451][ T1076] [ 7062.434203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7062.434203][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7062.434203][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7062.434203][ T1076] ipv6_find_idev+0x102/0x170 [ 7062.434203][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.434203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.434203][ T1076] netlink_rcv_skb+0x130/0x360 [ 7062.434203][ T1076] netlink_unicast+0x449/0x710 [ 7062.434203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7062.434203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7062.434203][ T1076] ___sys_sendmsg+0xee/0x170 [ 7062.434203][ T1076] __sys_sendmsg+0xcd/0x170 [ 7062.434203][ T1076] do_syscall_64+0xc6/0x1e0 [ 7062.434203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.434203][ T1076] [ 7072.469708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7072.470203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7072.470203][ T1076] netdev_get_by_index+0x5e/0x80 [ 7072.470203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7072.470203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7072.470203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7072.470203][ T1076] ipv6_add_addr+0x411/0x2000 [ 7072.470203][ T1076] inet6_addr_add+0x30e/0xa40 [ 7072.470203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.470203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.470203][ T1076] netlink_rcv_skb+0x130/0x360 [ 7072.470203][ T1076] netlink_unicast+0x449/0x710 [ 7072.470203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7072.470203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7072.470203][ T1076] ___sys_sendmsg+0xee/0x170 [ 7072.470203][ T1076] __sys_sendmsg+0xcd/0x170 [ 7072.470203][ T1076] do_syscall_64+0xc6/0x1e0 [ 7072.470203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.470203][ T1076] [ 7072.472764][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7072.472764][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7072.472764][ T1076] ipv6_find_idev+0x102/0x170 [ 7072.472764][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.472764][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.472764][ T1076] netlink_rcv_skb+0x130/0x360 [ 7072.472764][ T1076] netlink_unicast+0x449/0x710 [ 7072.472764][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7072.472764][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7072.472764][ T1076] ___sys_sendmsg+0xee/0x170 [ 7072.472764][ T1076] __sys_sendmsg+0xcd/0x170 [ 7072.472764][ T1076] do_syscall_64+0xc6/0x1e0 [ 7072.472764][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.472764][ T1076] [ 7072.474738][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7072.474738][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7072.474738][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7072.474738][ T1076] ipv6_find_idev+0x102/0x170 [ 7072.474738][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.474738][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.474738][ T1076] netlink_rcv_skb+0x130/0x360 [ 7072.474738][ T1076] netlink_unicast+0x449/0x710 [ 7072.474738][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7072.474738][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7072.474738][ T1076] ___sys_sendmsg+0xee/0x170 [ 7072.474738][ T1076] __sys_sendmsg+0xcd/0x170 [ 7072.474738][ T1076] do_syscall_64+0xc6/0x1e0 [ 7072.474738][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.474738][ T1076] [ 7082.725709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7082.726169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7082.726169][ T1076] netdev_get_by_index+0x5e/0x80 [ 7082.726169][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7082.726169][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7082.726169][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7082.726169][ T1076] ipv6_add_addr+0x411/0x2000 [ 7082.726169][ T1076] inet6_addr_add+0x30e/0xa40 [ 7082.726169][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7082.726169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.726169][ T1076] netlink_rcv_skb+0x130/0x360 [ 7082.726169][ T1076] netlink_unicast+0x449/0x710 [ 7082.726169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7082.726169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7082.726169][ T1076] ___sys_sendmsg+0xee/0x170 [ 7082.726169][ T1076] __sys_sendmsg+0xcd/0x170 [ 7082.726169][ T1076] do_syscall_64+0xc6/0x1e0 [ 7082.726169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.726169][ T1076] [ 7082.728701][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7082.728701][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7082.728701][ T1076] ipv6_find_idev+0x102/0x170 [ 7082.728701][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7082.728701][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.728701][ T1076] netlink_rcv_skb+0x130/0x360 [ 7082.728701][ T1076] netlink_unicast+0x449/0x710 [ 7082.728701][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7082.728701][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7082.728701][ T1076] ___sys_sendmsg+0xee/0x170 [ 7082.728701][ T1076] __sys_sendmsg+0xcd/0x170 [ 7082.728701][ T1076] do_syscall_64+0xc6/0x1e0 [ 7082.728701][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.728701][ T1076] [ 7082.730617][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7082.730617][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7082.730617][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7082.730617][ T1076] ipv6_find_idev+0x102/0x170 [ 7082.730617][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7082.730617][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.730617][ T1076] netlink_rcv_skb+0x130/0x360 [ 7082.730617][ T1076] netlink_unicast+0x449/0x710 [ 7082.730617][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7082.730617][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7082.730617][ T1076] ___sys_sendmsg+0xee/0x170 [ 7082.730617][ T1076] __sys_sendmsg+0xcd/0x170 [ 7082.730617][ T1076] do_syscall_64+0xc6/0x1e0 [ 7082.730617][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.730617][ T1076] [ 7092.981723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7092.982174][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7092.982174][ T1076] netdev_get_by_index+0x5e/0x80 [ 7092.982174][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7092.982174][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7092.982174][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7092.982174][ T1076] ipv6_add_addr+0x411/0x2000 [ 7092.982174][ T1076] inet6_addr_add+0x30e/0xa40 [ 7092.982174][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7092.982174][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.982174][ T1076] netlink_rcv_skb+0x130/0x360 [ 7092.982174][ T1076] netlink_unicast+0x449/0x710 [ 7092.982174][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7092.982174][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7092.982174][ T1076] ___sys_sendmsg+0xee/0x170 [ 7092.982174][ T1076] __sys_sendmsg+0xcd/0x170 [ 7092.982174][ T1076] do_syscall_64+0xc6/0x1e0 [ 7092.982174][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.982174][ T1076] [ 7092.984620][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7092.984620][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7092.984620][ T1076] ipv6_find_idev+0x102/0x170 [ 7092.984620][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7092.984620][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.984620][ T1076] netlink_rcv_skb+0x130/0x360 [ 7092.984620][ T1076] netlink_unicast+0x449/0x710 [ 7092.984620][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7092.984620][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7092.984620][ T1076] ___sys_sendmsg+0xee/0x170 [ 7092.984620][ T1076] __sys_sendmsg+0xcd/0x170 [ 7092.984620][ T1076] do_syscall_64+0xc6/0x1e0 [ 7092.984620][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.984620][ T1076] [ 7092.986452][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7092.986452][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7092.986452][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7092.986452][ T1076] ipv6_find_idev+0x102/0x170 [ 7092.986452][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7092.986452][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.986452][ T1076] netlink_rcv_skb+0x130/0x360 [ 7092.986452][ T1076] netlink_unicast+0x449/0x710 [ 7092.986452][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7092.986452][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7092.986452][ T1076] ___sys_sendmsg+0xee/0x170 [ 7092.986452][ T1076] __sys_sendmsg+0xcd/0x170 [ 7092.986452][ T1076] do_syscall_64+0xc6/0x1e0 [ 7092.986452][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.986452][ T1076] [ 7103.237708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7103.238167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7103.238167][ T1076] netdev_get_by_index+0x5e/0x80 [ 7103.238167][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7103.238167][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7103.238167][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7103.238167][ T1076] ipv6_add_addr+0x411/0x2000 [ 7103.238167][ T1076] inet6_addr_add+0x30e/0xa40 [ 7103.238167][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.238167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.238167][ T1076] netlink_rcv_skb+0x130/0x360 [ 7103.238167][ T1076] netlink_unicast+0x449/0x710 [ 7103.238167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7103.238167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7103.238167][ T1076] ___sys_sendmsg+0xee/0x170 [ 7103.238167][ T1076] __sys_sendmsg+0xcd/0x170 [ 7103.238167][ T1076] do_syscall_64+0xc6/0x1e0 [ 7103.238167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.238167][ T1076] [ 7103.240742][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7103.240742][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7103.240742][ T1076] ipv6_find_idev+0x102/0x170 [ 7103.240742][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.240742][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.240742][ T1076] netlink_rcv_skb+0x130/0x360 [ 7103.240742][ T1076] netlink_unicast+0x449/0x710 [ 7103.240742][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7103.240742][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7103.240742][ T1076] ___sys_sendmsg+0xee/0x170 [ 7103.240742][ T1076] __sys_sendmsg+0xcd/0x170 [ 7103.240742][ T1076] do_syscall_64+0xc6/0x1e0 [ 7103.240742][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.240742][ T1076] [ 7103.242704][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7103.242704][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7103.242704][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7103.242704][ T1076] ipv6_find_idev+0x102/0x170 [ 7103.242704][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.242704][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.242704][ T1076] netlink_rcv_skb+0x130/0x360 [ 7103.242704][ T1076] netlink_unicast+0x449/0x710 [ 7103.242704][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7103.242704][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7103.242704][ T1076] ___sys_sendmsg+0xee/0x170 [ 7103.242704][ T1076] __sys_sendmsg+0xcd/0x170 [ 7103.242704][ T1076] do_syscall_64+0xc6/0x1e0 [ 7103.242704][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.242704][ T1076] [ 7113.493706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7113.494172][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7113.494172][ T1076] netdev_get_by_index+0x5e/0x80 [ 7113.494172][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7113.494172][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7113.494172][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7113.494172][ T1076] ipv6_add_addr+0x411/0x2000 [ 7113.494172][ T1076] inet6_addr_add+0x30e/0xa40 [ 7113.494172][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7113.494172][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.494172][ T1076] netlink_rcv_skb+0x130/0x360 [ 7113.494172][ T1076] netlink_unicast+0x449/0x710 [ 7113.494172][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7113.494172][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7113.494172][ T1076] ___sys_sendmsg+0xee/0x170 [ 7113.494172][ T1076] __sys_sendmsg+0xcd/0x170 [ 7113.494172][ T1076] do_syscall_64+0xc6/0x1e0 [ 7113.494172][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.494172][ T1076] [ 7113.496622][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7113.496622][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7113.496622][ T1076] ipv6_find_idev+0x102/0x170 [ 7113.496622][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7113.496622][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.496622][ T1076] netlink_rcv_skb+0x130/0x360 [ 7113.496622][ T1076] netlink_unicast+0x449/0x710 [ 7113.496622][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7113.496622][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7113.496622][ T1076] ___sys_sendmsg+0xee/0x170 [ 7113.496622][ T1076] __sys_sendmsg+0xcd/0x170 [ 7113.496622][ T1076] do_syscall_64+0xc6/0x1e0 [ 7113.496622][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.496622][ T1076] [ 7113.498475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7113.498475][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7113.498475][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7113.498475][ T1076] ipv6_find_idev+0x102/0x170 [ 7113.498475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7113.498475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.498475][ T1076] netlink_rcv_skb+0x130/0x360 [ 7113.498475][ T1076] netlink_unicast+0x449/0x710 [ 7113.498475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7113.498475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7113.498475][ T1076] ___sys_sendmsg+0xee/0x170 [ 7113.498475][ T1076] __sys_sendmsg+0xcd/0x170 [ 7113.498475][ T1076] do_syscall_64+0xc6/0x1e0 [ 7113.498475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.498475][ T1076] [ 7123.749640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7123.750107][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7123.750107][ T1076] netdev_get_by_index+0x5e/0x80 [ 7123.750107][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7123.750107][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7123.750107][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7123.750107][ T1076] ipv6_add_addr+0x411/0x2000 [ 7123.750107][ T1076] inet6_addr_add+0x30e/0xa40 [ 7123.750107][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7123.750107][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.750107][ T1076] netlink_rcv_skb+0x130/0x360 [ 7123.750107][ T1076] netlink_unicast+0x449/0x710 [ 7123.750107][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7123.750107][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7123.750107][ T1076] ___sys_sendmsg+0xee/0x170 [ 7123.750107][ T1076] __sys_sendmsg+0xcd/0x170 [ 7123.750107][ T1076] do_syscall_64+0xc6/0x1e0 [ 7123.750107][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.750107][ T1076] [ 7123.752635][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7123.752635][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7123.752635][ T1076] ipv6_find_idev+0x102/0x170 [ 7123.752635][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7123.752635][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.752635][ T1076] netlink_rcv_skb+0x130/0x360 [ 7123.752635][ T1076] netlink_unicast+0x449/0x710 [ 7123.752635][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7123.752635][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7123.752635][ T1076] ___sys_sendmsg+0xee/0x170 [ 7123.752635][ T1076] __sys_sendmsg+0xcd/0x170 [ 7123.752635][ T1076] do_syscall_64+0xc6/0x1e0 [ 7123.752635][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.752635][ T1076] [ 7123.755097][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7123.755097][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7123.755097][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7123.755097][ T1076] ipv6_find_idev+0x102/0x170 [ 7123.755097][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7123.755097][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.755097][ T1076] netlink_rcv_skb+0x130/0x360 [ 7123.755097][ T1076] netlink_unicast+0x449/0x710 [ 7123.755097][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7123.755097][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7123.755097][ T1076] ___sys_sendmsg+0xee/0x170 [ 7123.755097][ T1076] __sys_sendmsg+0xcd/0x170 [ 7123.755097][ T1076] do_syscall_64+0xc6/0x1e0 [ 7123.755097][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.755097][ T1076] [ 7133.933638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7133.934107][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7133.934107][ T1076] netdev_get_by_index+0x5e/0x80 [ 7133.934107][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7133.934107][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7133.934107][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7133.934107][ T1076] ipv6_add_addr+0x411/0x2000 [ 7133.934107][ T1076] inet6_addr_add+0x30e/0xa40 [ 7133.934107][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7133.934107][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.934107][ T1076] netlink_rcv_skb+0x130/0x360 [ 7133.934107][ T1076] netlink_unicast+0x449/0x710 [ 7133.934107][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7133.934107][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7133.934107][ T1076] ___sys_sendmsg+0xee/0x170 [ 7133.934107][ T1076] __sys_sendmsg+0xcd/0x170 [ 7133.934107][ T1076] do_syscall_64+0xc6/0x1e0 [ 7133.934107][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.934107][ T1076] [ 7133.936420][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7133.936420][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7133.936420][ T1076] ipv6_find_idev+0x102/0x170 [ 7133.936420][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7133.936420][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.936420][ T1076] netlink_rcv_skb+0x130/0x360 [ 7133.936420][ T1076] netlink_unicast+0x449/0x710 [ 7133.936420][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7133.936420][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7133.936420][ T1076] ___sys_sendmsg+0xee/0x170 [ 7133.936420][ T1076] __sys_sendmsg+0xcd/0x170 [ 7133.936420][ T1076] do_syscall_64+0xc6/0x1e0 [ 7133.936420][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.936420][ T1076] [ 7133.938185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7133.938185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7133.938185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7133.938185][ T1076] ipv6_find_idev+0x102/0x170 [ 7133.938185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7133.938185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.938185][ T1076] netlink_rcv_skb+0x130/0x360 [ 7133.938185][ T1076] netlink_unicast+0x449/0x710 [ 7133.938185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7133.938185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7133.938185][ T1076] ___sys_sendmsg+0xee/0x170 [ 7133.938185][ T1076] __sys_sendmsg+0xcd/0x170 [ 7133.938185][ T1076] do_syscall_64+0xc6/0x1e0 [ 7133.938185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.938185][ T1076] [ 7144.181635][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7144.182092][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7144.182092][ T1076] netdev_get_by_index+0x5e/0x80 [ 7144.182092][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7144.182092][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7144.182092][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7144.182092][ T1076] ipv6_add_addr+0x411/0x2000 [ 7144.182092][ T1076] inet6_addr_add+0x30e/0xa40 [ 7144.182092][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7144.182092][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7144.182092][ T1076] netlink_rcv_skb+0x130/0x360 [ 7144.182092][ T1076] netlink_unicast+0x449/0x710 [ 7144.182092][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7144.182092][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7144.182092][ T1076] ___sys_sendmsg+0xee/0x170 [ 7144.182092][ T1076] __sys_sendmsg+0xcd/0x170 [ 7144.182092][ T1076] do_syscall_64+0xc6/0x1e0 [ 7144.182092][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7144.182092][ T1076] [ 7144.184401][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7144.184401][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7144.184401][ T1076] ipv6_find_idev+0x102/0x170 [ 7144.184401][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7144.184401][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7144.184401][ T1076] netlink_rcv_skb+0x130/0x360 [ 7144.184401][ T1076] netlink_unicast+0x449/0x710 [ 7144.184401][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7144.184401][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7144.184401][ T1076] ___sys_sendmsg+0xee/0x170 [ 7144.184401][ T1076] __sys_sendmsg+0xcd/0x170 [ 7144.184401][ T1076] do_syscall_64+0xc6/0x1e0 [ 7144.184401][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7144.184401][ T1076] [ 7144.186692][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7144.186692][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7144.186692][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7144.186692][ T1076] ipv6_find_idev+0x102/0x170 [ 7144.186692][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7144.186692][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7144.186692][ T1076] netlink_rcv_skb+0x130/0x360 [ 7144.186692][ T1076] netlink_unicast+0x449/0x710 [ 7144.186692][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7144.186692][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7144.186692][ T1076] ___sys_sendmsg+0xee/0x170 [ 7144.186692][ T1076] __sys_sendmsg+0xcd/0x170 [ 7144.186692][ T1076] do_syscall_64+0xc6/0x1e0 [ 7144.186692][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7144.186692][ T1076] [ 7154.429728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7154.430196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7154.430196][ T1076] netdev_get_by_index+0x5e/0x80 [ 7154.430196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7154.430196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7154.430196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7154.430196][ T1076] ipv6_add_addr+0x411/0x2000 [ 7154.430196][ T1076] inet6_addr_add+0x30e/0xa40 [ 7154.430196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7154.430196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.430196][ T1076] netlink_rcv_skb+0x130/0x360 [ 7154.430196][ T1076] netlink_unicast+0x449/0x710 [ 7154.430196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7154.430196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7154.430196][ T1076] ___sys_sendmsg+0xee/0x170 [ 7154.430196][ T1076] __sys_sendmsg+0xcd/0x170 [ 7154.430196][ T1076] do_syscall_64+0xc6/0x1e0 [ 7154.430196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.430196][ T1076] [ 7154.432528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7154.432528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7154.432528][ T1076] ipv6_find_idev+0x102/0x170 [ 7154.432528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7154.432528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.432528][ T1076] netlink_rcv_skb+0x130/0x360 [ 7154.432528][ T1076] netlink_unicast+0x449/0x710 [ 7154.432528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7154.432528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7154.432528][ T1076] ___sys_sendmsg+0xee/0x170 [ 7154.432528][ T1076] __sys_sendmsg+0xcd/0x170 [ 7154.432528][ T1076] do_syscall_64+0xc6/0x1e0 [ 7154.432528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.432528][ T1076] [ 7154.434310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7154.434310][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7154.434310][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7154.434310][ T1076] ipv6_find_idev+0x102/0x170 [ 7154.434310][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7154.434310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.434310][ T1076] netlink_rcv_skb+0x130/0x360 [ 7154.434310][ T1076] netlink_unicast+0x449/0x710 [ 7154.434310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7154.434310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7154.434310][ T1076] ___sys_sendmsg+0xee/0x170 [ 7154.434310][ T1076] __sys_sendmsg+0xcd/0x170 [ 7154.434310][ T1076] do_syscall_64+0xc6/0x1e0 [ 7154.434310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.434310][ T1076] [ 7164.837817][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7164.838277][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7164.838277][ T1076] netdev_get_by_index+0x5e/0x80 [ 7164.838277][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7164.838277][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7164.838277][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7164.838277][ T1076] ipv6_add_addr+0x411/0x2000 [ 7164.838277][ T1076] inet6_addr_add+0x30e/0xa40 [ 7164.838277][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7164.838277][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.838277][ T1076] netlink_rcv_skb+0x130/0x360 [ 7164.838277][ T1076] netlink_unicast+0x449/0x710 [ 7164.838277][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7164.838277][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7164.838277][ T1076] ___sys_sendmsg+0xee/0x170 [ 7164.838277][ T1076] __sys_sendmsg+0xcd/0x170 [ 7164.838277][ T1076] do_syscall_64+0xc6/0x1e0 [ 7164.838277][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.838277][ T1076] [ 7164.840629][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7164.840629][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7164.840629][ T1076] ipv6_find_idev+0x102/0x170 [ 7164.840629][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7164.840629][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.840629][ T1076] netlink_rcv_skb+0x130/0x360 [ 7164.840629][ T1076] netlink_unicast+0x449/0x710 [ 7164.840629][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7164.840629][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7164.840629][ T1076] ___sys_sendmsg+0xee/0x170 [ 7164.840629][ T1076] __sys_sendmsg+0xcd/0x170 [ 7164.840629][ T1076] do_syscall_64+0xc6/0x1e0 [ 7164.840629][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.840629][ T1076] [ 7164.842404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7164.842404][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7164.842404][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7164.842404][ T1076] ipv6_find_idev+0x102/0x170 [ 7164.842404][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7164.842404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.842404][ T1076] netlink_rcv_skb+0x130/0x360 [ 7164.842404][ T1076] netlink_unicast+0x449/0x710 [ 7164.842404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7164.842404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7164.842404][ T1076] ___sys_sendmsg+0xee/0x170 [ 7164.842404][ T1076] __sys_sendmsg+0xcd/0x170 [ 7164.842404][ T1076] do_syscall_64+0xc6/0x1e0 [ 7164.842404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.842404][ T1076] [ 7175.085709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7175.086171][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7175.086171][ T1076] netdev_get_by_index+0x5e/0x80 [ 7175.086171][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7175.086171][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7175.086171][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7175.086171][ T1076] ipv6_add_addr+0x411/0x2000 [ 7175.086171][ T1076] inet6_addr_add+0x30e/0xa40 [ 7175.086171][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.086171][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.086171][ T1076] netlink_rcv_skb+0x130/0x360 [ 7175.086171][ T1076] netlink_unicast+0x449/0x710 [ 7175.086171][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7175.086171][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7175.086171][ T1076] ___sys_sendmsg+0xee/0x170 [ 7175.086171][ T1076] __sys_sendmsg+0xcd/0x170 [ 7175.086171][ T1076] do_syscall_64+0xc6/0x1e0 [ 7175.086171][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.086171][ T1076] [ 7175.088494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7175.088494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7175.088494][ T1076] ipv6_find_idev+0x102/0x170 [ 7175.088494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.088494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.088494][ T1076] netlink_rcv_skb+0x130/0x360 [ 7175.088494][ T1076] netlink_unicast+0x449/0x710 [ 7175.088494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7175.088494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7175.088494][ T1076] ___sys_sendmsg+0xee/0x170 [ 7175.088494][ T1076] __sys_sendmsg+0xcd/0x170 [ 7175.088494][ T1076] do_syscall_64+0xc6/0x1e0 [ 7175.088494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.088494][ T1076] [ 7175.090284][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7175.090284][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7175.090284][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7175.090284][ T1076] ipv6_find_idev+0x102/0x170 [ 7175.090284][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.090284][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.090284][ T1076] netlink_rcv_skb+0x130/0x360 [ 7175.090284][ T1076] netlink_unicast+0x449/0x710 [ 7175.090284][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7175.090284][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7175.090284][ T1076] ___sys_sendmsg+0xee/0x170 [ 7175.090284][ T1076] __sys_sendmsg+0xcd/0x170 [ 7175.090284][ T1076] do_syscall_64+0xc6/0x1e0 [ 7175.090284][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.090284][ T1076] [ 7185.333708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7185.334154][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7185.334154][ T1076] netdev_get_by_index+0x5e/0x80 [ 7185.334154][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7185.334154][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7185.334154][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7185.334154][ T1076] ipv6_add_addr+0x411/0x2000 [ 7185.334154][ T1076] inet6_addr_add+0x30e/0xa40 [ 7185.334154][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.334154][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.334154][ T1076] netlink_rcv_skb+0x130/0x360 [ 7185.334154][ T1076] netlink_unicast+0x449/0x710 [ 7185.334154][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7185.334154][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7185.334154][ T1076] ___sys_sendmsg+0xee/0x170 [ 7185.334154][ T1076] __sys_sendmsg+0xcd/0x170 [ 7185.334154][ T1076] do_syscall_64+0xc6/0x1e0 [ 7185.334154][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.334154][ T1076] [ 7185.336465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7185.336465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7185.336465][ T1076] ipv6_find_idev+0x102/0x170 [ 7185.336465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.336465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.336465][ T1076] netlink_rcv_skb+0x130/0x360 [ 7185.336465][ T1076] netlink_unicast+0x449/0x710 [ 7185.336465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7185.336465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7185.336465][ T1076] ___sys_sendmsg+0xee/0x170 [ 7185.336465][ T1076] __sys_sendmsg+0xcd/0x170 [ 7185.336465][ T1076] do_syscall_64+0xc6/0x1e0 [ 7185.336465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.336465][ T1076] [ 7185.338588][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7185.338588][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7185.338588][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7185.338588][ T1076] ipv6_find_idev+0x102/0x170 [ 7185.338588][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.338588][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.338588][ T1076] netlink_rcv_skb+0x130/0x360 [ 7185.338588][ T1076] netlink_unicast+0x449/0x710 [ 7185.338588][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7185.338588][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7185.338588][ T1076] ___sys_sendmsg+0xee/0x170 [ 7185.338588][ T1076] __sys_sendmsg+0xcd/0x170 [ 7185.338588][ T1076] do_syscall_64+0xc6/0x1e0 [ 7185.338588][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.338588][ T1076] [ 7195.397728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7195.398175][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7195.398175][ T1076] netdev_get_by_index+0x5e/0x80 [ 7195.398175][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7195.398175][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7195.398175][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7195.398175][ T1076] ipv6_add_addr+0x411/0x2000 [ 7195.398175][ T1076] inet6_addr_add+0x30e/0xa40 [ 7195.398175][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7195.398175][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7195.398175][ T1076] netlink_rcv_skb+0x130/0x360 [ 7195.398175][ T1076] netlink_unicast+0x449/0x710 [ 7195.398175][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7195.398175][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7195.398175][ T1076] ___sys_sendmsg+0xee/0x170 [ 7195.398175][ T1076] __sys_sendmsg+0xcd/0x170 [ 7195.398175][ T1076] do_syscall_64+0xc6/0x1e0 [ 7195.398175][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7195.398175][ T1076] [ 7195.400477][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7195.400477][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7195.400477][ T1076] ipv6_find_idev+0x102/0x170 [ 7195.400477][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7195.400477][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7195.400477][ T1076] netlink_rcv_skb+0x130/0x360 [ 7195.400477][ T1076] netlink_unicast+0x449/0x710 [ 7195.400477][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7195.400477][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7195.400477][ T1076] ___sys_sendmsg+0xee/0x170 [ 7195.400477][ T1076] __sys_sendmsg+0xcd/0x170 [ 7195.400477][ T1076] do_syscall_64+0xc6/0x1e0 [ 7195.400477][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7195.400477][ T1076] [ 7195.402234][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7195.402234][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7195.402234][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7195.402234][ T1076] ipv6_find_idev+0x102/0x170 [ 7195.402234][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7195.402234][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7195.402234][ T1076] netlink_rcv_skb+0x130/0x360 [ 7195.402234][ T1076] netlink_unicast+0x449/0x710 [ 7195.402234][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7195.402234][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7195.402234][ T1076] ___sys_sendmsg+0xee/0x170 [ 7195.402234][ T1076] __sys_sendmsg+0xcd/0x170 [ 7195.402234][ T1076] do_syscall_64+0xc6/0x1e0 [ 7195.402234][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7195.402234][ T1076] [ 7205.645705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7205.646168][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7205.646168][ T1076] netdev_get_by_index+0x5e/0x80 [ 7205.646168][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7205.646168][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7205.646168][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7205.646168][ T1076] ipv6_add_addr+0x411/0x2000 [ 7205.646168][ T1076] inet6_addr_add+0x30e/0xa40 [ 7205.646168][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7205.646168][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.646168][ T1076] netlink_rcv_skb+0x130/0x360 [ 7205.646168][ T1076] netlink_unicast+0x449/0x710 [ 7205.646168][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7205.646168][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7205.646168][ T1076] ___sys_sendmsg+0xee/0x170 [ 7205.646168][ T1076] __sys_sendmsg+0xcd/0x170 [ 7205.646168][ T1076] do_syscall_64+0xc6/0x1e0 [ 7205.646168][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.646168][ T1076] [ 7205.648451][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7205.648451][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7205.648451][ T1076] ipv6_find_idev+0x102/0x170 [ 7205.648451][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7205.648451][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.648451][ T1076] netlink_rcv_skb+0x130/0x360 [ 7205.648451][ T1076] netlink_unicast+0x449/0x710 [ 7205.648451][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7205.648451][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7205.648451][ T1076] ___sys_sendmsg+0xee/0x170 [ 7205.648451][ T1076] __sys_sendmsg+0xcd/0x170 [ 7205.648451][ T1076] do_syscall_64+0xc6/0x1e0 [ 7205.648451][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.648451][ T1076] [ 7205.650215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7205.650215][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7205.650215][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7205.650215][ T1076] ipv6_find_idev+0x102/0x170 [ 7205.650215][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7205.650215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.650215][ T1076] netlink_rcv_skb+0x130/0x360 [ 7205.650215][ T1076] netlink_unicast+0x449/0x710 [ 7205.650215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7205.650215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7205.650215][ T1076] ___sys_sendmsg+0xee/0x170 [ 7205.650215][ T1076] __sys_sendmsg+0xcd/0x170 [ 7205.650215][ T1076] do_syscall_64+0xc6/0x1e0 [ 7205.650215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.650215][ T1076] [ 7215.893709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7215.894181][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7215.894181][ T1076] netdev_get_by_index+0x5e/0x80 [ 7215.894181][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7215.894181][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7215.894181][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7215.894181][ T1076] ipv6_add_addr+0x411/0x2000 [ 7215.894181][ T1076] inet6_addr_add+0x30e/0xa40 [ 7215.894181][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7215.894181][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.894181][ T1076] netlink_rcv_skb+0x130/0x360 [ 7215.894181][ T1076] netlink_unicast+0x449/0x710 [ 7215.894181][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7215.894181][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7215.894181][ T1076] ___sys_sendmsg+0xee/0x170 [ 7215.894181][ T1076] __sys_sendmsg+0xcd/0x170 [ 7215.894181][ T1076] do_syscall_64+0xc6/0x1e0 [ 7215.894181][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.894181][ T1076] [ 7215.896472][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7215.896472][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7215.896472][ T1076] ipv6_find_idev+0x102/0x170 [ 7215.896472][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7215.896472][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.896472][ T1076] netlink_rcv_skb+0x130/0x360 [ 7215.896472][ T1076] netlink_unicast+0x449/0x710 [ 7215.896472][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7215.896472][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7215.896472][ T1076] ___sys_sendmsg+0xee/0x170 [ 7215.896472][ T1076] __sys_sendmsg+0xcd/0x170 [ 7215.896472][ T1076] do_syscall_64+0xc6/0x1e0 [ 7215.896472][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.896472][ T1076] [ 7215.898226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7215.898226][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7215.898226][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7215.898226][ T1076] ipv6_find_idev+0x102/0x170 [ 7215.898226][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7215.898226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.898226][ T1076] netlink_rcv_skb+0x130/0x360 [ 7215.898226][ T1076] netlink_unicast+0x449/0x710 [ 7215.898226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7215.898226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7215.898226][ T1076] ___sys_sendmsg+0xee/0x170 [ 7215.898226][ T1076] __sys_sendmsg+0xcd/0x170 [ 7215.898226][ T1076] do_syscall_64+0xc6/0x1e0 [ 7215.898226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.898226][ T1076]