[ 1466.925556][T12081] u32 classifier
[ 1466.925720][T12081]     input device check on
[ 1466.925872][T12081]     Actions configured
[ 1468.370561][T12100] ip_gre: GRE over IPv4 tunneling driver
[ 1472.866909][T12160] ip6_gre: GRE over IPv6 tunneling driver
[ 1483.390820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1483.391313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1483.391313][T12167]      netdev_get_by_index+0x5e/0x80
[ 1483.391313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1483.391313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1483.391313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1483.391313][T12167]      ipv6_add_addr+0x411/0x2000
[ 1483.391313][T12167]      inet6_addr_add+0x30e/0xa40
[ 1483.391313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1483.391313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1483.391313][T12167]      netlink_rcv_skb+0x130/0x360
[ 1483.391313][T12167]      netlink_unicast+0x449/0x710
[ 1483.391313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1483.391313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1483.391313][T12167]      ___sys_sendmsg+0xee/0x170
[ 1483.391313][T12167]      __sys_sendmsg+0xcd/0x170
[ 1483.391313][T12167]      do_syscall_64+0xc6/0x1e0
[ 1483.391313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1483.391313][T12167] 
[ 1483.394112][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1483.394112][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1483.394112][T12167]      ipv6_find_idev+0x102/0x170
[ 1483.394112][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1483.394112][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1483.394112][T12167]      netlink_rcv_skb+0x130/0x360
[ 1483.394112][T12167]      netlink_unicast+0x449/0x710
[ 1483.394112][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1483.394112][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1483.394112][T12167]      ___sys_sendmsg+0xee/0x170
[ 1483.394112][T12167]      __sys_sendmsg+0xcd/0x170
[ 1483.394112][T12167]      do_syscall_64+0xc6/0x1e0
[ 1483.394112][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1483.394112][T12167] 
[ 1483.395909][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1483.395909][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1483.395909][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1483.395909][T12167]      ipv6_find_idev+0x102/0x170
[ 1483.395909][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1483.395909][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1483.395909][T12167]      netlink_rcv_skb+0x130/0x360
[ 1483.395909][T12167]      netlink_unicast+0x449/0x710
[ 1483.395909][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1483.395909][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1483.395909][T12167]      ___sys_sendmsg+0xee/0x170
[ 1483.395909][T12167]      __sys_sendmsg+0xcd/0x170
[ 1483.395909][T12167]      do_syscall_64+0xc6/0x1e0
[ 1483.395909][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1483.395909][T12167] 
[ 1493.638762][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1493.639302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1493.639302][T12167]      netdev_get_by_index+0x5e/0x80
[ 1493.639302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1493.639302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1493.639302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1493.639302][T12167]      ipv6_add_addr+0x411/0x2000
[ 1493.639302][T12167]      inet6_addr_add+0x30e/0xa40
[ 1493.639302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1493.639302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1493.639302][T12167]      netlink_rcv_skb+0x130/0x360
[ 1493.639302][T12167]      netlink_unicast+0x449/0x710
[ 1493.639302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1493.639302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1493.639302][T12167]      ___sys_sendmsg+0xee/0x170
[ 1493.639302][T12167]      __sys_sendmsg+0xcd/0x170
[ 1493.639302][T12167]      do_syscall_64+0xc6/0x1e0
[ 1493.639302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1493.639302][T12167] 
[ 1493.641924][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1493.641924][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1493.641924][T12167]      ipv6_find_idev+0x102/0x170
[ 1493.641924][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1493.641924][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1493.641924][T12167]      netlink_rcv_skb+0x130/0x360
[ 1493.641924][T12167]      netlink_unicast+0x449/0x710
[ 1493.641924][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1493.641924][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1493.641924][T12167]      ___sys_sendmsg+0xee/0x170
[ 1493.641924][T12167]      __sys_sendmsg+0xcd/0x170
[ 1493.641924][T12167]      do_syscall_64+0xc6/0x1e0
[ 1493.641924][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1493.641924][T12167] 
[ 1493.643934][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1493.643934][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1493.643934][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1493.643934][T12167]      ipv6_find_idev+0x102/0x170
[ 1493.643934][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1493.643934][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1493.643934][T12167]      netlink_rcv_skb+0x130/0x360
[ 1493.643934][T12167]      netlink_unicast+0x449/0x710
[ 1493.643934][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1493.643934][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1493.643934][T12167]      ___sys_sendmsg+0xee/0x170
[ 1493.643934][T12167]      __sys_sendmsg+0xcd/0x170
[ 1493.643934][T12167]      do_syscall_64+0xc6/0x1e0
[ 1493.643934][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1493.643934][T12167] 
[ 1503.886862][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1503.887417][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1503.887417][T12167]      netdev_get_by_index+0x5e/0x80
[ 1503.887417][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1503.887417][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1503.887417][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1503.887417][T12167]      ipv6_add_addr+0x411/0x2000
[ 1503.887417][T12167]      inet6_addr_add+0x30e/0xa40
[ 1503.887417][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1503.887417][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1503.887417][T12167]      netlink_rcv_skb+0x130/0x360
[ 1503.887417][T12167]      netlink_unicast+0x449/0x710
[ 1503.887417][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1503.887417][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1503.887417][T12167]      ___sys_sendmsg+0xee/0x170
[ 1503.887417][T12167]      __sys_sendmsg+0xcd/0x170
[ 1503.887417][T12167]      do_syscall_64+0xc6/0x1e0
[ 1503.887417][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1503.887417][T12167] 
[ 1503.890027][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1503.890027][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1503.890027][T12167]      ipv6_find_idev+0x102/0x170
[ 1503.890027][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1503.890027][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1503.890027][T12167]      netlink_rcv_skb+0x130/0x360
[ 1503.890027][T12167]      netlink_unicast+0x449/0x710
[ 1503.890027][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1503.890027][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1503.890027][T12167]      ___sys_sendmsg+0xee/0x170
[ 1503.890027][T12167]      __sys_sendmsg+0xcd/0x170
[ 1503.890027][T12167]      do_syscall_64+0xc6/0x1e0
[ 1503.890027][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1503.890027][T12167] 
[ 1503.892031][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1503.892031][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1503.892031][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1503.892031][T12167]      ipv6_find_idev+0x102/0x170
[ 1503.892031][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1503.892031][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1503.892031][T12167]      netlink_rcv_skb+0x130/0x360
[ 1503.892031][T12167]      netlink_unicast+0x449/0x710
[ 1503.892031][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1503.892031][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1503.892031][T12167]      ___sys_sendmsg+0xee/0x170
[ 1503.892031][T12167]      __sys_sendmsg+0xcd/0x170
[ 1503.892031][T12167]      do_syscall_64+0xc6/0x1e0
[ 1503.892031][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1503.892031][T12167] 
[ 1514.134817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1514.135358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1514.135358][T12167]      netdev_get_by_index+0x5e/0x80
[ 1514.135358][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1514.135358][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1514.135358][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1514.135358][T12167]      ipv6_add_addr+0x411/0x2000
[ 1514.135358][T12167]      inet6_addr_add+0x30e/0xa40
[ 1514.135358][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1514.135358][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1514.135358][T12167]      netlink_rcv_skb+0x130/0x360
[ 1514.135358][T12167]      netlink_unicast+0x449/0x710
[ 1514.135358][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1514.135358][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1514.135358][T12167]      ___sys_sendmsg+0xee/0x170
[ 1514.135358][T12167]      __sys_sendmsg+0xcd/0x170
[ 1514.135358][T12167]      do_syscall_64+0xc6/0x1e0
[ 1514.135358][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1514.135358][T12167] 
[ 1514.137978][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1514.137978][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1514.137978][T12167]      ipv6_find_idev+0x102/0x170
[ 1514.137978][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1514.137978][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1514.137978][T12167]      netlink_rcv_skb+0x130/0x360
[ 1514.137978][T12167]      netlink_unicast+0x449/0x710
[ 1514.137978][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1514.137978][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1514.137978][T12167]      ___sys_sendmsg+0xee/0x170
[ 1514.137978][T12167]      __sys_sendmsg+0xcd/0x170
[ 1514.137978][T12167]      do_syscall_64+0xc6/0x1e0
[ 1514.137978][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1514.137978][T12167] 
[ 1514.140065][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1514.140065][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1514.140065][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1514.140065][T12167]      ipv6_find_idev+0x102/0x170
[ 1514.140065][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1514.140065][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1514.140065][T12167]      netlink_rcv_skb+0x130/0x360
[ 1514.140065][T12167]      netlink_unicast+0x449/0x710
[ 1514.140065][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1514.140065][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1514.140065][T12167]      ___sys_sendmsg+0xee/0x170
[ 1514.140065][T12167]      __sys_sendmsg+0xcd/0x170
[ 1514.140065][T12167]      do_syscall_64+0xc6/0x1e0
[ 1514.140065][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1514.140065][T12167] 
[ 1524.230876][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1524.231426][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1524.231426][T12167]      netdev_get_by_index+0x5e/0x80
[ 1524.231426][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1524.231426][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1524.231426][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1524.231426][T12167]      ipv6_add_addr+0x411/0x2000
[ 1524.231426][T12167]      inet6_addr_add+0x30e/0xa40
[ 1524.231426][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1524.231426][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1524.231426][T12167]      netlink_rcv_skb+0x130/0x360
[ 1524.231426][T12167]      netlink_unicast+0x449/0x710
[ 1524.231426][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1524.231426][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1524.231426][T12167]      ___sys_sendmsg+0xee/0x170
[ 1524.231426][T12167]      __sys_sendmsg+0xcd/0x170
[ 1524.231426][T12167]      do_syscall_64+0xc6/0x1e0
[ 1524.231426][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1524.231426][T12167] 
[ 1524.234064][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1524.234064][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1524.234064][T12167]      ipv6_find_idev+0x102/0x170
[ 1524.234064][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1524.234064][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1524.234064][T12167]      netlink_rcv_skb+0x130/0x360
[ 1524.234064][T12167]      netlink_unicast+0x449/0x710
[ 1524.234064][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1524.234064][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1524.234064][T12167]      ___sys_sendmsg+0xee/0x170
[ 1524.234064][T12167]      __sys_sendmsg+0xcd/0x170
[ 1524.234064][T12167]      do_syscall_64+0xc6/0x1e0
[ 1524.234064][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1524.234064][T12167] 
[ 1524.236064][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1524.236064][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1524.236064][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1524.236064][T12167]      ipv6_find_idev+0x102/0x170
[ 1524.236064][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1524.236064][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1524.236064][T12167]      netlink_rcv_skb+0x130/0x360
[ 1524.236064][T12167]      netlink_unicast+0x449/0x710
[ 1524.236064][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1524.236064][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1524.236064][T12167]      ___sys_sendmsg+0xee/0x170
[ 1524.236064][T12167]      __sys_sendmsg+0xcd/0x170
[ 1524.236064][T12167]      do_syscall_64+0xc6/0x1e0
[ 1524.236064][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1524.236064][T12167] 
[ 1534.478883][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1534.479367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1534.479367][T12167]      netdev_get_by_index+0x5e/0x80
[ 1534.479367][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1534.479367][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1534.479367][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1534.479367][T12167]      ipv6_add_addr+0x411/0x2000
[ 1534.479367][T12167]      inet6_addr_add+0x30e/0xa40
[ 1534.479367][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1534.479367][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1534.479367][T12167]      netlink_rcv_skb+0x130/0x360
[ 1534.479367][T12167]      netlink_unicast+0x449/0x710
[ 1534.479367][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1534.479367][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1534.479367][T12167]      ___sys_sendmsg+0xee/0x170
[ 1534.479367][T12167]      __sys_sendmsg+0xcd/0x170
[ 1534.479367][T12167]      do_syscall_64+0xc6/0x1e0
[ 1534.479367][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1534.479367][T12167] 
[ 1534.481671][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1534.481671][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1534.481671][T12167]      ipv6_find_idev+0x102/0x170
[ 1534.481671][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1534.481671][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1534.481671][T12167]      netlink_rcv_skb+0x130/0x360
[ 1534.481671][T12167]      netlink_unicast+0x449/0x710
[ 1534.481671][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1534.481671][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1534.481671][T12167]      ___sys_sendmsg+0xee/0x170
[ 1534.481671][T12167]      __sys_sendmsg+0xcd/0x170
[ 1534.481671][T12167]      do_syscall_64+0xc6/0x1e0
[ 1534.481671][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1534.481671][T12167] 
[ 1534.483434][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1534.483434][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1534.483434][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1534.483434][T12167]      ipv6_find_idev+0x102/0x170
[ 1534.483434][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1534.483434][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1534.483434][T12167]      netlink_rcv_skb+0x130/0x360
[ 1534.483434][T12167]      netlink_unicast+0x449/0x710
[ 1534.483434][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1534.483434][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1534.483434][T12167]      ___sys_sendmsg+0xee/0x170
[ 1534.483434][T12167]      __sys_sendmsg+0xcd/0x170
[ 1534.483434][T12167]      do_syscall_64+0xc6/0x1e0
[ 1534.483434][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1534.483434][T12167] 
[ 1544.726772][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1544.727237][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1544.727237][T12167]      netdev_get_by_index+0x5e/0x80
[ 1544.727237][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1544.727237][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1544.727237][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1544.727237][T12167]      ipv6_add_addr+0x411/0x2000
[ 1544.727237][T12167]      inet6_addr_add+0x30e/0xa40
[ 1544.727237][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1544.727237][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1544.727237][T12167]      netlink_rcv_skb+0x130/0x360
[ 1544.727237][T12167]      netlink_unicast+0x449/0x710
[ 1544.727237][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1544.727237][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1544.727237][T12167]      ___sys_sendmsg+0xee/0x170
[ 1544.727237][T12167]      __sys_sendmsg+0xcd/0x170
[ 1544.727237][T12167]      do_syscall_64+0xc6/0x1e0
[ 1544.727237][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1544.727237][T12167] 
[ 1544.729584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1544.729584][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1544.729584][T12167]      ipv6_find_idev+0x102/0x170
[ 1544.729584][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1544.729584][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1544.729584][T12167]      netlink_rcv_skb+0x130/0x360
[ 1544.729584][T12167]      netlink_unicast+0x449/0x710
[ 1544.729584][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1544.729584][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1544.729584][T12167]      ___sys_sendmsg+0xee/0x170
[ 1544.729584][T12167]      __sys_sendmsg+0xcd/0x170
[ 1544.729584][T12167]      do_syscall_64+0xc6/0x1e0
[ 1544.729584][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1544.729584][T12167] 
[ 1544.731407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1544.731407][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1544.731407][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1544.731407][T12167]      ipv6_find_idev+0x102/0x170
[ 1544.731407][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1544.731407][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1544.731407][T12167]      netlink_rcv_skb+0x130/0x360
[ 1544.731407][T12167]      netlink_unicast+0x449/0x710
[ 1544.731407][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1544.731407][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1544.731407][T12167]      ___sys_sendmsg+0xee/0x170
[ 1544.731407][T12167]      __sys_sendmsg+0xcd/0x170
[ 1544.731407][T12167]      do_syscall_64+0xc6/0x1e0
[ 1544.731407][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1544.731407][T12167] 
[ 1554.974814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1554.975416][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1554.975416][T12167]      netdev_get_by_index+0x5e/0x80
[ 1554.975416][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1554.975416][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1554.975416][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1554.975416][T12167]      ipv6_add_addr+0x411/0x2000
[ 1554.975416][T12167]      inet6_addr_add+0x30e/0xa40
[ 1554.975416][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1554.975416][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1554.975416][T12167]      netlink_rcv_skb+0x130/0x360
[ 1554.975416][T12167]      netlink_unicast+0x449/0x710
[ 1554.975416][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1554.975416][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1554.975416][T12167]      ___sys_sendmsg+0xee/0x170
[ 1554.975416][T12167]      __sys_sendmsg+0xcd/0x170
[ 1554.975416][T12167]      do_syscall_64+0xc6/0x1e0
[ 1554.975416][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1554.975416][T12167] 
[ 1554.977853][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1554.977853][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1554.977853][T12167]      ipv6_find_idev+0x102/0x170
[ 1554.977853][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1554.977853][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1554.977853][T12167]      netlink_rcv_skb+0x130/0x360
[ 1554.977853][T12167]      netlink_unicast+0x449/0x710
[ 1554.977853][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1554.977853][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1554.977853][T12167]      ___sys_sendmsg+0xee/0x170
[ 1554.977853][T12167]      __sys_sendmsg+0xcd/0x170
[ 1554.977853][T12167]      do_syscall_64+0xc6/0x1e0
[ 1554.977853][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1554.977853][T12167] 
[ 1554.979689][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1554.979689][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1554.979689][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1554.979689][T12167]      ipv6_find_idev+0x102/0x170
[ 1554.979689][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1554.979689][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1554.979689][T12167]      netlink_rcv_skb+0x130/0x360
[ 1554.979689][T12167]      netlink_unicast+0x449/0x710
[ 1554.979689][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1554.979689][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1554.979689][T12167]      ___sys_sendmsg+0xee/0x170
[ 1554.979689][T12167]      __sys_sendmsg+0xcd/0x170
[ 1554.979689][T12167]      do_syscall_64+0xc6/0x1e0
[ 1554.979689][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1554.979689][T12167] 
[ 1565.054803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1565.055303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1565.055303][T12167]      netdev_get_by_index+0x5e/0x80
[ 1565.055303][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1565.055303][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1565.055303][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1565.055303][T12167]      ipv6_add_addr+0x411/0x2000
[ 1565.055303][T12167]      inet6_addr_add+0x30e/0xa40
[ 1565.055303][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1565.055303][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1565.055303][T12167]      netlink_rcv_skb+0x130/0x360
[ 1565.055303][T12167]      netlink_unicast+0x449/0x710
[ 1565.055303][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1565.055303][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1565.055303][T12167]      ___sys_sendmsg+0xee/0x170
[ 1565.055303][T12167]      __sys_sendmsg+0xcd/0x170
[ 1565.055303][T12167]      do_syscall_64+0xc6/0x1e0
[ 1565.055303][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1565.055303][T12167] 
[ 1565.057849][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1565.057849][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1565.057849][T12167]      ipv6_find_idev+0x102/0x170
[ 1565.057849][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1565.057849][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1565.057849][T12167]      netlink_rcv_skb+0x130/0x360
[ 1565.057849][T12167]      netlink_unicast+0x449/0x710
[ 1565.057849][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1565.057849][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1565.057849][T12167]      ___sys_sendmsg+0xee/0x170
[ 1565.057849][T12167]      __sys_sendmsg+0xcd/0x170
[ 1565.057849][T12167]      do_syscall_64+0xc6/0x1e0
[ 1565.057849][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1565.057849][T12167] 
[ 1565.059781][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1565.059781][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1565.059781][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1565.059781][T12167]      ipv6_find_idev+0x102/0x170
[ 1565.059781][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1565.059781][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1565.059781][T12167]      netlink_rcv_skb+0x130/0x360
[ 1565.059781][T12167]      netlink_unicast+0x449/0x710
[ 1565.059781][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1565.059781][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1565.059781][T12167]      ___sys_sendmsg+0xee/0x170
[ 1565.059781][T12167]      __sys_sendmsg+0xcd/0x170
[ 1565.059781][T12167]      do_syscall_64+0xc6/0x1e0
[ 1565.059781][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1565.059781][T12167] 
[ 1575.134829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1575.135308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1575.135308][T12167]      netdev_get_by_index+0x5e/0x80
[ 1575.135308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1575.135308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1575.135308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1575.135308][T12167]      ipv6_add_addr+0x411/0x2000
[ 1575.135308][T12167]      inet6_addr_add+0x30e/0xa40
[ 1575.135308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1575.135308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1575.135308][T12167]      netlink_rcv_skb+0x130/0x360
[ 1575.135308][T12167]      netlink_unicast+0x449/0x710
[ 1575.135308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1575.135308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1575.135308][T12167]      ___sys_sendmsg+0xee/0x170
[ 1575.135308][T12167]      __sys_sendmsg+0xcd/0x170
[ 1575.135308][T12167]      do_syscall_64+0xc6/0x1e0
[ 1575.135308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1575.135308][T12167] 
[ 1575.137706][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1575.137706][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1575.137706][T12167]      ipv6_find_idev+0x102/0x170
[ 1575.137706][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1575.137706][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1575.137706][T12167]      netlink_rcv_skb+0x130/0x360
[ 1575.137706][T12167]      netlink_unicast+0x449/0x710
[ 1575.137706][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1575.137706][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1575.137706][T12167]      ___sys_sendmsg+0xee/0x170
[ 1575.137706][T12167]      __sys_sendmsg+0xcd/0x170
[ 1575.137706][T12167]      do_syscall_64+0xc6/0x1e0
[ 1575.137706][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1575.137706][T12167] 
[ 1575.139510][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1575.139510][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1575.139510][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1575.139510][T12167]      ipv6_find_idev+0x102/0x170
[ 1575.139510][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1575.139510][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1575.139510][T12167]      netlink_rcv_skb+0x130/0x360
[ 1575.139510][T12167]      netlink_unicast+0x449/0x710
[ 1575.139510][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1575.139510][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1575.139510][T12167]      ___sys_sendmsg+0xee/0x170
[ 1575.139510][T12167]      __sys_sendmsg+0xcd/0x170
[ 1575.139510][T12167]      do_syscall_64+0xc6/0x1e0
[ 1575.139510][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1575.139510][T12167] 
[ 1585.382791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1585.383343][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1585.383343][T12167]      netdev_get_by_index+0x5e/0x80
[ 1585.383343][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1585.383343][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1585.383343][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1585.383343][T12167]      ipv6_add_addr+0x411/0x2000
[ 1585.383343][T12167]      inet6_addr_add+0x30e/0xa40
[ 1585.383343][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1585.383343][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1585.383343][T12167]      netlink_rcv_skb+0x130/0x360
[ 1585.383343][T12167]      netlink_unicast+0x449/0x710
[ 1585.383343][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1585.383343][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1585.383343][T12167]      ___sys_sendmsg+0xee/0x170
[ 1585.383343][T12167]      __sys_sendmsg+0xcd/0x170
[ 1585.383343][T12167]      do_syscall_64+0xc6/0x1e0
[ 1585.383343][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1585.383343][T12167] 
[ 1585.386074][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1585.386074][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1585.386074][T12167]      ipv6_find_idev+0x102/0x170
[ 1585.386074][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1585.386074][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1585.386074][T12167]      netlink_rcv_skb+0x130/0x360
[ 1585.386074][T12167]      netlink_unicast+0x449/0x710
[ 1585.386074][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1585.386074][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1585.386074][T12167]      ___sys_sendmsg+0xee/0x170
[ 1585.386074][T12167]      __sys_sendmsg+0xcd/0x170
[ 1585.386074][T12167]      do_syscall_64+0xc6/0x1e0
[ 1585.386074][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1585.386074][T12167] 
[ 1585.388181][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1585.388181][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1585.388181][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1585.388181][T12167]      ipv6_find_idev+0x102/0x170
[ 1585.388181][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1585.388181][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1585.388181][T12167]      netlink_rcv_skb+0x130/0x360
[ 1585.388181][T12167]      netlink_unicast+0x449/0x710
[ 1585.388181][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1585.388181][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1585.388181][T12167]      ___sys_sendmsg+0xee/0x170
[ 1585.388181][T12167]      __sys_sendmsg+0xcd/0x170
[ 1585.388181][T12167]      do_syscall_64+0xc6/0x1e0
[ 1585.388181][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1585.388181][T12167] 
[ 1595.630826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1595.631360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1595.631360][T12167]      netdev_get_by_index+0x5e/0x80
[ 1595.631360][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1595.631360][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1595.631360][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1595.631360][T12167]      ipv6_add_addr+0x411/0x2000
[ 1595.631360][T12167]      inet6_addr_add+0x30e/0xa40
[ 1595.631360][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1595.631360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1595.631360][T12167]      netlink_rcv_skb+0x130/0x360
[ 1595.631360][T12167]      netlink_unicast+0x449/0x710
[ 1595.631360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1595.631360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1595.631360][T12167]      ___sys_sendmsg+0xee/0x170
[ 1595.631360][T12167]      __sys_sendmsg+0xcd/0x170
[ 1595.631360][T12167]      do_syscall_64+0xc6/0x1e0
[ 1595.631360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1595.631360][T12167] 
[ 1595.633693][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1595.633693][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1595.633693][T12167]      ipv6_find_idev+0x102/0x170
[ 1595.633693][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1595.633693][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1595.633693][T12167]      netlink_rcv_skb+0x130/0x360
[ 1595.633693][T12167]      netlink_unicast+0x449/0x710
[ 1595.633693][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1595.633693][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1595.633693][T12167]      ___sys_sendmsg+0xee/0x170
[ 1595.633693][T12167]      __sys_sendmsg+0xcd/0x170
[ 1595.633693][T12167]      do_syscall_64+0xc6/0x1e0
[ 1595.633693][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1595.633693][T12167] 
[ 1595.635482][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1595.635482][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1595.635482][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1595.635482][T12167]      ipv6_find_idev+0x102/0x170
[ 1595.635482][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1595.635482][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1595.635482][T12167]      netlink_rcv_skb+0x130/0x360
[ 1595.635482][T12167]      netlink_unicast+0x449/0x710
[ 1595.635482][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1595.635482][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1595.635482][T12167]      ___sys_sendmsg+0xee/0x170
[ 1595.635482][T12167]      __sys_sendmsg+0xcd/0x170
[ 1595.635482][T12167]      do_syscall_64+0xc6/0x1e0
[ 1595.635482][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1595.635482][T12167] 
[ 1605.886874][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1605.887354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1605.887354][T12167]      netdev_get_by_index+0x5e/0x80
[ 1605.887354][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1605.887354][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1605.887354][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1605.887354][T12167]      ipv6_add_addr+0x411/0x2000
[ 1605.887354][T12167]      inet6_addr_add+0x30e/0xa40
[ 1605.887354][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1605.887354][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1605.887354][T12167]      netlink_rcv_skb+0x130/0x360
[ 1605.887354][T12167]      netlink_unicast+0x449/0x710
[ 1605.887354][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1605.887354][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1605.887354][T12167]      ___sys_sendmsg+0xee/0x170
[ 1605.887354][T12167]      __sys_sendmsg+0xcd/0x170
[ 1605.887354][T12167]      do_syscall_64+0xc6/0x1e0
[ 1605.887354][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1605.887354][T12167] 
[ 1605.889915][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1605.889915][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1605.889915][T12167]      ipv6_find_idev+0x102/0x170
[ 1605.889915][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1605.889915][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1605.889915][T12167]      netlink_rcv_skb+0x130/0x360
[ 1605.889915][T12167]      netlink_unicast+0x449/0x710
[ 1605.889915][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1605.889915][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1605.889915][T12167]      ___sys_sendmsg+0xee/0x170
[ 1605.889915][T12167]      __sys_sendmsg+0xcd/0x170
[ 1605.889915][T12167]      do_syscall_64+0xc6/0x1e0
[ 1605.889915][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1605.889915][T12167] 
[ 1605.891834][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1605.891834][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1605.891834][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1605.891834][T12167]      ipv6_find_idev+0x102/0x170
[ 1605.891834][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1605.891834][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1605.891834][T12167]      netlink_rcv_skb+0x130/0x360
[ 1605.891834][T12167]      netlink_unicast+0x449/0x710
[ 1605.891834][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1605.891834][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1605.891834][T12167]      ___sys_sendmsg+0xee/0x170
[ 1605.891834][T12167]      __sys_sendmsg+0xcd/0x170
[ 1605.891834][T12167]      do_syscall_64+0xc6/0x1e0
[ 1605.891834][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1605.891834][T12167] 
[ 1615.934805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1615.935278][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1615.935278][T12167]      netdev_get_by_index+0x5e/0x80
[ 1615.935278][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1615.935278][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1615.935278][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1615.935278][T12167]      ipv6_add_addr+0x411/0x2000
[ 1615.935278][T12167]      inet6_addr_add+0x30e/0xa40
[ 1615.935278][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1615.935278][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1615.935278][T12167]      netlink_rcv_skb+0x130/0x360
[ 1615.935278][T12167]      netlink_unicast+0x449/0x710
[ 1615.935278][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1615.935278][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1615.935278][T12167]      ___sys_sendmsg+0xee/0x170
[ 1615.935278][T12167]      __sys_sendmsg+0xcd/0x170
[ 1615.935278][T12167]      do_syscall_64+0xc6/0x1e0
[ 1615.935278][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1615.935278][T12167] 
[ 1615.937905][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1615.937905][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1615.937905][T12167]      ipv6_find_idev+0x102/0x170
[ 1615.937905][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1615.937905][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1615.937905][T12167]      netlink_rcv_skb+0x130/0x360
[ 1615.937905][T12167]      netlink_unicast+0x449/0x710
[ 1615.937905][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1615.937905][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1615.937905][T12167]      ___sys_sendmsg+0xee/0x170
[ 1615.937905][T12167]      __sys_sendmsg+0xcd/0x170
[ 1615.937905][T12167]      do_syscall_64+0xc6/0x1e0
[ 1615.937905][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1615.937905][T12167] 
[ 1615.940001][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1615.940001][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1615.940001][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1615.940001][T12167]      ipv6_find_idev+0x102/0x170
[ 1615.940001][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1615.940001][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1615.940001][T12167]      netlink_rcv_skb+0x130/0x360
[ 1615.940001][T12167]      netlink_unicast+0x449/0x710
[ 1615.940001][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1615.940001][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1615.940001][T12167]      ___sys_sendmsg+0xee/0x170
[ 1615.940001][T12167]      __sys_sendmsg+0xcd/0x170
[ 1615.940001][T12167]      do_syscall_64+0xc6/0x1e0
[ 1615.940001][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1615.940001][T12167] 
[ 1626.182847][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1626.183424][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1626.183424][T12167]      netdev_get_by_index+0x5e/0x80
[ 1626.183424][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1626.183424][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1626.183424][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1626.183424][T12167]      ipv6_add_addr+0x411/0x2000
[ 1626.183424][T12167]      inet6_addr_add+0x30e/0xa40
[ 1626.183424][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1626.183424][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1626.183424][T12167]      netlink_rcv_skb+0x130/0x360
[ 1626.183424][T12167]      netlink_unicast+0x449/0x710
[ 1626.183424][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1626.183424][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1626.183424][T12167]      ___sys_sendmsg+0xee/0x170
[ 1626.183424][T12167]      __sys_sendmsg+0xcd/0x170
[ 1626.183424][T12167]      do_syscall_64+0xc6/0x1e0
[ 1626.183424][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1626.183424][T12167] 
[ 1626.185929][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1626.185929][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1626.185929][T12167]      ipv6_find_idev+0x102/0x170
[ 1626.185929][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1626.185929][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1626.185929][T12167]      netlink_rcv_skb+0x130/0x360
[ 1626.185929][T12167]      netlink_unicast+0x449/0x710
[ 1626.185929][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1626.185929][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1626.185929][T12167]      ___sys_sendmsg+0xee/0x170
[ 1626.185929][T12167]      __sys_sendmsg+0xcd/0x170
[ 1626.185929][T12167]      do_syscall_64+0xc6/0x1e0
[ 1626.185929][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1626.185929][T12167] 
[ 1626.187865][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1626.187865][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1626.187865][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1626.187865][T12167]      ipv6_find_idev+0x102/0x170
[ 1626.187865][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1626.187865][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1626.187865][T12167]      netlink_rcv_skb+0x130/0x360
[ 1626.187865][T12167]      netlink_unicast+0x449/0x710
[ 1626.187865][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1626.187865][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1626.187865][T12167]      ___sys_sendmsg+0xee/0x170
[ 1626.187865][T12167]      __sys_sendmsg+0xcd/0x170
[ 1626.187865][T12167]      do_syscall_64+0xc6/0x1e0
[ 1626.187865][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1626.187865][T12167] 
[ 1636.390797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1636.391310][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1636.391310][T12167]      netdev_get_by_index+0x5e/0x80
[ 1636.391310][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1636.391310][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1636.391310][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1636.391310][T12167]      ipv6_add_addr+0x411/0x2000
[ 1636.391310][T12167]      inet6_addr_add+0x30e/0xa40
[ 1636.391310][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1636.391310][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1636.391310][T12167]      netlink_rcv_skb+0x130/0x360
[ 1636.391310][T12167]      netlink_unicast+0x449/0x710
[ 1636.391310][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1636.391310][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1636.391310][T12167]      ___sys_sendmsg+0xee/0x170
[ 1636.391310][T12167]      __sys_sendmsg+0xcd/0x170
[ 1636.391310][T12167]      do_syscall_64+0xc6/0x1e0
[ 1636.391310][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1636.391310][T12167] 
[ 1636.393721][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1636.393721][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1636.393721][T12167]      ipv6_find_idev+0x102/0x170
[ 1636.393721][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1636.393721][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1636.393721][T12167]      netlink_rcv_skb+0x130/0x360
[ 1636.393721][T12167]      netlink_unicast+0x449/0x710
[ 1636.393721][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1636.393721][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1636.393721][T12167]      ___sys_sendmsg+0xee/0x170
[ 1636.393721][T12167]      __sys_sendmsg+0xcd/0x170
[ 1636.393721][T12167]      do_syscall_64+0xc6/0x1e0
[ 1636.393721][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1636.393721][T12167] 
[ 1636.395597][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1636.395597][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1636.395597][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1636.395597][T12167]      ipv6_find_idev+0x102/0x170
[ 1636.395597][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1636.395597][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1636.395597][T12167]      netlink_rcv_skb+0x130/0x360
[ 1636.395597][T12167]      netlink_unicast+0x449/0x710
[ 1636.395597][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1636.395597][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1636.395597][T12167]      ___sys_sendmsg+0xee/0x170
[ 1636.395597][T12167]      __sys_sendmsg+0xcd/0x170
[ 1636.395597][T12167]      do_syscall_64+0xc6/0x1e0
[ 1636.395597][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1636.395597][T12167] 
[ 1646.502824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1646.503476][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1646.503476][T12167]      netdev_get_by_index+0x5e/0x80
[ 1646.503476][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1646.503476][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1646.503476][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1646.503476][T12167]      ipv6_add_addr+0x411/0x2000
[ 1646.503476][T12167]      inet6_addr_add+0x30e/0xa40
[ 1646.503476][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1646.503476][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1646.503476][T12167]      netlink_rcv_skb+0x130/0x360
[ 1646.503476][T12167]      netlink_unicast+0x449/0x710
[ 1646.503476][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1646.503476][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1646.503476][T12167]      ___sys_sendmsg+0xee/0x170
[ 1646.503476][T12167]      __sys_sendmsg+0xcd/0x170
[ 1646.503476][T12167]      do_syscall_64+0xc6/0x1e0
[ 1646.503476][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1646.503476][T12167] 
[ 1646.507202][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1646.507202][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1646.507202][T12167]      ipv6_find_idev+0x102/0x170
[ 1646.507202][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1646.507202][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1646.507202][T12167]      netlink_rcv_skb+0x130/0x360
[ 1646.507202][T12167]      netlink_unicast+0x449/0x710
[ 1646.507202][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1646.507202][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1646.507202][T12167]      ___sys_sendmsg+0xee/0x170
[ 1646.507202][T12167]      __sys_sendmsg+0xcd/0x170
[ 1646.507202][T12167]      do_syscall_64+0xc6/0x1e0
[ 1646.507202][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1646.507202][T12167] 
[ 1646.510033][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1646.510033][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1646.510033][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1646.510033][T12167]      ipv6_find_idev+0x102/0x170
[ 1646.510033][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1646.510033][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1646.510033][T12167]      netlink_rcv_skb+0x130/0x360
[ 1646.510033][T12167]      netlink_unicast+0x449/0x710
[ 1646.510033][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1646.510033][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1646.510033][T12167]      ___sys_sendmsg+0xee/0x170
[ 1646.510033][T12167]      __sys_sendmsg+0xcd/0x170
[ 1646.510033][T12167]      do_syscall_64+0xc6/0x1e0
[ 1646.510033][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1646.510033][T12167] 
[ 1656.518791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1656.519260][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1656.519260][T12167]      netdev_get_by_index+0x5e/0x80
[ 1656.519260][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1656.519260][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1656.519260][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1656.519260][T12167]      ipv6_add_addr+0x411/0x2000
[ 1656.519260][T12167]      inet6_addr_add+0x30e/0xa40
[ 1656.519260][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1656.519260][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1656.519260][T12167]      netlink_rcv_skb+0x130/0x360
[ 1656.519260][T12167]      netlink_unicast+0x449/0x710
[ 1656.519260][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1656.519260][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1656.519260][T12167]      ___sys_sendmsg+0xee/0x170
[ 1656.519260][T12167]      __sys_sendmsg+0xcd/0x170
[ 1656.519260][T12167]      do_syscall_64+0xc6/0x1e0
[ 1656.519260][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1656.519260][T12167] 
[ 1656.521561][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1656.521561][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1656.521561][T12167]      ipv6_find_idev+0x102/0x170
[ 1656.521561][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1656.521561][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1656.521561][T12167]      netlink_rcv_skb+0x130/0x360
[ 1656.521561][T12167]      netlink_unicast+0x449/0x710
[ 1656.521561][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1656.521561][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1656.521561][T12167]      ___sys_sendmsg+0xee/0x170
[ 1656.521561][T12167]      __sys_sendmsg+0xcd/0x170
[ 1656.521561][T12167]      do_syscall_64+0xc6/0x1e0
[ 1656.521561][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1656.521561][T12167] 
[ 1656.523319][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1656.523319][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1656.523319][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1656.523319][T12167]      ipv6_find_idev+0x102/0x170
[ 1656.523319][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1656.523319][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1656.523319][T12167]      netlink_rcv_skb+0x130/0x360
[ 1656.523319][T12167]      netlink_unicast+0x449/0x710
[ 1656.523319][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1656.523319][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1656.523319][T12167]      ___sys_sendmsg+0xee/0x170
[ 1656.523319][T12167]      __sys_sendmsg+0xcd/0x170
[ 1656.523319][T12167]      do_syscall_64+0xc6/0x1e0
[ 1656.523319][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1656.523319][T12167] 
[ 1666.630819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1666.631294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1666.631294][T12167]      netdev_get_by_index+0x5e/0x80
[ 1666.631294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1666.631294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1666.631294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1666.631294][T12167]      ipv6_add_addr+0x411/0x2000
[ 1666.631294][T12167]      inet6_addr_add+0x30e/0xa40
[ 1666.631294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1666.631294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1666.631294][T12167]      netlink_rcv_skb+0x130/0x360
[ 1666.631294][T12167]      netlink_unicast+0x449/0x710
[ 1666.631294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1666.631294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1666.631294][T12167]      ___sys_sendmsg+0xee/0x170
[ 1666.631294][T12167]      __sys_sendmsg+0xcd/0x170
[ 1666.631294][T12167]      do_syscall_64+0xc6/0x1e0
[ 1666.631294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1666.631294][T12167] 
[ 1666.633566][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1666.633566][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1666.633566][T12167]      ipv6_find_idev+0x102/0x170
[ 1666.633566][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1666.633566][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1666.633566][T12167]      netlink_rcv_skb+0x130/0x360
[ 1666.633566][T12167]      netlink_unicast+0x449/0x710
[ 1666.633566][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1666.633566][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1666.633566][T12167]      ___sys_sendmsg+0xee/0x170
[ 1666.633566][T12167]      __sys_sendmsg+0xcd/0x170
[ 1666.633566][T12167]      do_syscall_64+0xc6/0x1e0
[ 1666.633566][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1666.633566][T12167] 
[ 1666.635344][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1666.635344][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1666.635344][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1666.635344][T12167]      ipv6_find_idev+0x102/0x170
[ 1666.635344][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1666.635344][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1666.635344][T12167]      netlink_rcv_skb+0x130/0x360
[ 1666.635344][T12167]      netlink_unicast+0x449/0x710
[ 1666.635344][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1666.635344][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1666.635344][T12167]      ___sys_sendmsg+0xee/0x170
[ 1666.635344][T12167]      __sys_sendmsg+0xcd/0x170
[ 1666.635344][T12167]      do_syscall_64+0xc6/0x1e0
[ 1666.635344][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1666.635344][T12167] 
[ 1676.798825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1676.799288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1676.799288][T12167]      netdev_get_by_index+0x5e/0x80
[ 1676.799288][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1676.799288][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1676.799288][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1676.799288][T12167]      ipv6_add_addr+0x411/0x2000
[ 1676.799288][T12167]      inet6_addr_add+0x30e/0xa40
[ 1676.799288][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1676.799288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1676.799288][T12167]      netlink_rcv_skb+0x130/0x360
[ 1676.799288][T12167]      netlink_unicast+0x449/0x710
[ 1676.799288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1676.799288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1676.799288][T12167]      ___sys_sendmsg+0xee/0x170
[ 1676.799288][T12167]      __sys_sendmsg+0xcd/0x170
[ 1676.799288][T12167]      do_syscall_64+0xc6/0x1e0
[ 1676.799288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1676.799288][T12167] 
[ 1676.801594][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1676.801594][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1676.801594][T12167]      ipv6_find_idev+0x102/0x170
[ 1676.801594][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1676.801594][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1676.801594][T12167]      netlink_rcv_skb+0x130/0x360
[ 1676.801594][T12167]      netlink_unicast+0x449/0x710
[ 1676.801594][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1676.801594][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1676.801594][T12167]      ___sys_sendmsg+0xee/0x170
[ 1676.801594][T12167]      __sys_sendmsg+0xcd/0x170
[ 1676.801594][T12167]      do_syscall_64+0xc6/0x1e0
[ 1676.801594][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1676.801594][T12167] 
[ 1676.803345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1676.803345][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1676.803345][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1676.803345][T12167]      ipv6_find_idev+0x102/0x170
[ 1676.803345][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1676.803345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1676.803345][T12167]      netlink_rcv_skb+0x130/0x360
[ 1676.803345][T12167]      netlink_unicast+0x449/0x710
[ 1676.803345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1676.803345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1676.803345][T12167]      ___sys_sendmsg+0xee/0x170
[ 1676.803345][T12167]      __sys_sendmsg+0xcd/0x170
[ 1676.803345][T12167]      do_syscall_64+0xc6/0x1e0
[ 1676.803345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1676.803345][T12167] 
[ 1687.046859][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1687.047325][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1687.047325][T12167]      netdev_get_by_index+0x5e/0x80
[ 1687.047325][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1687.047325][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1687.047325][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1687.047325][T12167]      ipv6_add_addr+0x411/0x2000
[ 1687.047325][T12167]      inet6_addr_add+0x30e/0xa40
[ 1687.047325][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1687.047325][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1687.047325][T12167]      netlink_rcv_skb+0x130/0x360
[ 1687.047325][T12167]      netlink_unicast+0x449/0x710
[ 1687.047325][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1687.047325][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1687.047325][T12167]      ___sys_sendmsg+0xee/0x170
[ 1687.047325][T12167]      __sys_sendmsg+0xcd/0x170
[ 1687.047325][T12167]      do_syscall_64+0xc6/0x1e0
[ 1687.047325][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1687.047325][T12167] 
[ 1687.049681][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1687.049681][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1687.049681][T12167]      ipv6_find_idev+0x102/0x170
[ 1687.049681][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1687.049681][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1687.049681][T12167]      netlink_rcv_skb+0x130/0x360
[ 1687.049681][T12167]      netlink_unicast+0x449/0x710
[ 1687.049681][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1687.049681][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1687.049681][T12167]      ___sys_sendmsg+0xee/0x170
[ 1687.049681][T12167]      __sys_sendmsg+0xcd/0x170
[ 1687.049681][T12167]      do_syscall_64+0xc6/0x1e0
[ 1687.049681][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1687.049681][T12167] 
[ 1687.051434][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1687.051434][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1687.051434][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1687.051434][T12167]      ipv6_find_idev+0x102/0x170
[ 1687.051434][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1687.051434][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1687.051434][T12167]      netlink_rcv_skb+0x130/0x360
[ 1687.051434][T12167]      netlink_unicast+0x449/0x710
[ 1687.051434][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1687.051434][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1687.051434][T12167]      ___sys_sendmsg+0xee/0x170
[ 1687.051434][T12167]      __sys_sendmsg+0xcd/0x170
[ 1687.051434][T12167]      do_syscall_64+0xc6/0x1e0
[ 1687.051434][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1687.051434][T12167] 
[ 1697.294829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1697.295317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1697.295317][T12167]      netdev_get_by_index+0x5e/0x80
[ 1697.295317][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1697.295317][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1697.295317][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1697.295317][T12167]      ipv6_add_addr+0x411/0x2000
[ 1697.295317][T12167]      inet6_addr_add+0x30e/0xa40
[ 1697.295317][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1697.295317][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1697.295317][T12167]      netlink_rcv_skb+0x130/0x360
[ 1697.295317][T12167]      netlink_unicast+0x449/0x710
[ 1697.295317][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1697.295317][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1697.295317][T12167]      ___sys_sendmsg+0xee/0x170
[ 1697.295317][T12167]      __sys_sendmsg+0xcd/0x170
[ 1697.295317][T12167]      do_syscall_64+0xc6/0x1e0
[ 1697.295317][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1697.295317][T12167] 
[ 1697.297690][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1697.297690][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1697.297690][T12167]      ipv6_find_idev+0x102/0x170
[ 1697.297690][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1697.297690][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1697.297690][T12167]      netlink_rcv_skb+0x130/0x360
[ 1697.297690][T12167]      netlink_unicast+0x449/0x710
[ 1697.297690][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1697.297690][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1697.297690][T12167]      ___sys_sendmsg+0xee/0x170
[ 1697.297690][T12167]      __sys_sendmsg+0xcd/0x170
[ 1697.297690][T12167]      do_syscall_64+0xc6/0x1e0
[ 1697.297690][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1697.297690][T12167] 
[ 1697.299469][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1697.299469][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1697.299469][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1697.299469][T12167]      ipv6_find_idev+0x102/0x170
[ 1697.299469][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1697.299469][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1697.299469][T12167]      netlink_rcv_skb+0x130/0x360
[ 1697.299469][T12167]      netlink_unicast+0x449/0x710
[ 1697.299469][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1697.299469][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1697.299469][T12167]      ___sys_sendmsg+0xee/0x170
[ 1697.299469][T12167]      __sys_sendmsg+0xcd/0x170
[ 1697.299469][T12167]      do_syscall_64+0xc6/0x1e0
[ 1697.299469][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1697.299469][T12167] 
[ 1707.542847][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1707.543350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1707.543350][T12167]      netdev_get_by_index+0x5e/0x80
[ 1707.543350][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1707.543350][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1707.543350][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1707.543350][T12167]      ipv6_add_addr+0x411/0x2000
[ 1707.543350][T12167]      inet6_addr_add+0x30e/0xa40
[ 1707.543350][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1707.543350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1707.543350][T12167]      netlink_rcv_skb+0x130/0x360
[ 1707.543350][T12167]      netlink_unicast+0x449/0x710
[ 1707.543350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1707.543350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1707.543350][T12167]      ___sys_sendmsg+0xee/0x170
[ 1707.543350][T12167]      __sys_sendmsg+0xcd/0x170
[ 1707.543350][T12167]      do_syscall_64+0xc6/0x1e0
[ 1707.543350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1707.543350][T12167] 
[ 1707.545652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1707.545652][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1707.545652][T12167]      ipv6_find_idev+0x102/0x170
[ 1707.545652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1707.545652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1707.545652][T12167]      netlink_rcv_skb+0x130/0x360
[ 1707.545652][T12167]      netlink_unicast+0x449/0x710
[ 1707.545652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1707.545652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1707.545652][T12167]      ___sys_sendmsg+0xee/0x170
[ 1707.545652][T12167]      __sys_sendmsg+0xcd/0x170
[ 1707.545652][T12167]      do_syscall_64+0xc6/0x1e0
[ 1707.545652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1707.545652][T12167] 
[ 1707.547413][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1707.547413][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1707.547413][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1707.547413][T12167]      ipv6_find_idev+0x102/0x170
[ 1707.547413][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1707.547413][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1707.547413][T12167]      netlink_rcv_skb+0x130/0x360
[ 1707.547413][T12167]      netlink_unicast+0x449/0x710
[ 1707.547413][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1707.547413][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1707.547413][T12167]      ___sys_sendmsg+0xee/0x170
[ 1707.547413][T12167]      __sys_sendmsg+0xcd/0x170
[ 1707.547413][T12167]      do_syscall_64+0xc6/0x1e0
[ 1707.547413][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1707.547413][T12167] 
[ 1717.790864][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1717.791425][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1717.791425][T12167]      netdev_get_by_index+0x5e/0x80
[ 1717.791425][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1717.791425][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1717.791425][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1717.791425][T12167]      ipv6_add_addr+0x411/0x2000
[ 1717.791425][T12167]      inet6_addr_add+0x30e/0xa40
[ 1717.791425][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1717.791425][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1717.791425][T12167]      netlink_rcv_skb+0x130/0x360
[ 1717.791425][T12167]      netlink_unicast+0x449/0x710
[ 1717.791425][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1717.791425][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1717.791425][T12167]      ___sys_sendmsg+0xee/0x170
[ 1717.791425][T12167]      __sys_sendmsg+0xcd/0x170
[ 1717.791425][T12167]      do_syscall_64+0xc6/0x1e0
[ 1717.791425][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1717.791425][T12167] 
[ 1717.793770][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1717.793770][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1717.793770][T12167]      ipv6_find_idev+0x102/0x170
[ 1717.793770][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1717.793770][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1717.793770][T12167]      netlink_rcv_skb+0x130/0x360
[ 1717.793770][T12167]      netlink_unicast+0x449/0x710
[ 1717.793770][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1717.793770][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1717.793770][T12167]      ___sys_sendmsg+0xee/0x170
[ 1717.793770][T12167]      __sys_sendmsg+0xcd/0x170
[ 1717.793770][T12167]      do_syscall_64+0xc6/0x1e0
[ 1717.793770][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1717.793770][T12167] 
[ 1717.795529][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1717.795529][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1717.795529][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1717.795529][T12167]      ipv6_find_idev+0x102/0x170
[ 1717.795529][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1717.795529][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1717.795529][T12167]      netlink_rcv_skb+0x130/0x360
[ 1717.795529][T12167]      netlink_unicast+0x449/0x710
[ 1717.795529][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1717.795529][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1717.795529][T12167]      ___sys_sendmsg+0xee/0x170
[ 1717.795529][T12167]      __sys_sendmsg+0xcd/0x170
[ 1717.795529][T12167]      do_syscall_64+0xc6/0x1e0
[ 1717.795529][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1717.795529][T12167] 
[ 1728.038848][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1728.039338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1728.039338][T12167]      netdev_get_by_index+0x5e/0x80
[ 1728.039338][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1728.039338][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1728.039338][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1728.039338][T12167]      ipv6_add_addr+0x411/0x2000
[ 1728.039338][T12167]      inet6_addr_add+0x30e/0xa40
[ 1728.039338][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1728.039338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1728.039338][T12167]      netlink_rcv_skb+0x130/0x360
[ 1728.039338][T12167]      netlink_unicast+0x449/0x710
[ 1728.039338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1728.039338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1728.039338][T12167]      ___sys_sendmsg+0xee/0x170
[ 1728.039338][T12167]      __sys_sendmsg+0xcd/0x170
[ 1728.039338][T12167]      do_syscall_64+0xc6/0x1e0
[ 1728.039338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1728.039338][T12167] 
[ 1728.041711][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1728.041711][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1728.041711][T12167]      ipv6_find_idev+0x102/0x170
[ 1728.041711][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1728.041711][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1728.041711][T12167]      netlink_rcv_skb+0x130/0x360
[ 1728.041711][T12167]      netlink_unicast+0x449/0x710
[ 1728.041711][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1728.041711][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1728.041711][T12167]      ___sys_sendmsg+0xee/0x170
[ 1728.041711][T12167]      __sys_sendmsg+0xcd/0x170
[ 1728.041711][T12167]      do_syscall_64+0xc6/0x1e0
[ 1728.041711][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1728.041711][T12167] 
[ 1728.043500][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1728.043500][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1728.043500][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1728.043500][T12167]      ipv6_find_idev+0x102/0x170
[ 1728.043500][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1728.043500][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1728.043500][T12167]      netlink_rcv_skb+0x130/0x360
[ 1728.043500][T12167]      netlink_unicast+0x449/0x710
[ 1728.043500][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1728.043500][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1728.043500][T12167]      ___sys_sendmsg+0xee/0x170
[ 1728.043500][T12167]      __sys_sendmsg+0xcd/0x170
[ 1728.043500][T12167]      do_syscall_64+0xc6/0x1e0
[ 1728.043500][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1728.043500][T12167] 
[ 1738.286814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1738.287359][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1738.287359][T12167]      netdev_get_by_index+0x5e/0x80
[ 1738.287359][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1738.287359][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1738.287359][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1738.287359][T12167]      ipv6_add_addr+0x411/0x2000
[ 1738.287359][T12167]      inet6_addr_add+0x30e/0xa40
[ 1738.287359][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1738.287359][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1738.287359][T12167]      netlink_rcv_skb+0x130/0x360
[ 1738.287359][T12167]      netlink_unicast+0x449/0x710
[ 1738.287359][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1738.287359][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1738.287359][T12167]      ___sys_sendmsg+0xee/0x170
[ 1738.287359][T12167]      __sys_sendmsg+0xcd/0x170
[ 1738.287359][T12167]      do_syscall_64+0xc6/0x1e0
[ 1738.287359][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1738.287359][T12167] 
[ 1738.289674][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1738.289674][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1738.289674][T12167]      ipv6_find_idev+0x102/0x170
[ 1738.289674][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1738.289674][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1738.289674][T12167]      netlink_rcv_skb+0x130/0x360
[ 1738.289674][T12167]      netlink_unicast+0x449/0x710
[ 1738.289674][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1738.289674][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1738.289674][T12167]      ___sys_sendmsg+0xee/0x170
[ 1738.289674][T12167]      __sys_sendmsg+0xcd/0x170
[ 1738.289674][T12167]      do_syscall_64+0xc6/0x1e0
[ 1738.289674][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1738.289674][T12167] 
[ 1738.291470][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1738.291470][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1738.291470][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1738.291470][T12167]      ipv6_find_idev+0x102/0x170
[ 1738.291470][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1738.291470][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1738.291470][T12167]      netlink_rcv_skb+0x130/0x360
[ 1738.291470][T12167]      netlink_unicast+0x449/0x710
[ 1738.291470][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1738.291470][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1738.291470][T12167]      ___sys_sendmsg+0xee/0x170
[ 1738.291470][T12167]      __sys_sendmsg+0xcd/0x170
[ 1738.291470][T12167]      do_syscall_64+0xc6/0x1e0
[ 1738.291470][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1738.291470][T12167] 
[ 1748.334971][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1748.335531][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1748.335531][T12167]      netdev_get_by_index+0x5e/0x80
[ 1748.335531][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1748.335531][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1748.335531][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1748.335531][T12167]      ipv6_add_addr+0x411/0x2000
[ 1748.335531][T12167]      inet6_addr_add+0x30e/0xa40
[ 1748.335531][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1748.335531][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1748.335531][T12167]      netlink_rcv_skb+0x130/0x360
[ 1748.335531][T12167]      netlink_unicast+0x449/0x710
[ 1748.335531][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1748.335531][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1748.335531][T12167]      ___sys_sendmsg+0xee/0x170
[ 1748.335531][T12167]      __sys_sendmsg+0xcd/0x170
[ 1748.335531][T12167]      do_syscall_64+0xc6/0x1e0
[ 1748.335531][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1748.335531][T12167] 
[ 1748.337830][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1748.337830][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1748.337830][T12167]      ipv6_find_idev+0x102/0x170
[ 1748.337830][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1748.337830][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1748.337830][T12167]      netlink_rcv_skb+0x130/0x360
[ 1748.337830][T12167]      netlink_unicast+0x449/0x710
[ 1748.337830][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1748.337830][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1748.337830][T12167]      ___sys_sendmsg+0xee/0x170
[ 1748.337830][T12167]      __sys_sendmsg+0xcd/0x170
[ 1748.337830][T12167]      do_syscall_64+0xc6/0x1e0
[ 1748.337830][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1748.337830][T12167] 
[ 1748.339676][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1748.339676][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1748.339676][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1748.339676][T12167]      ipv6_find_idev+0x102/0x170
[ 1748.339676][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1748.339676][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1748.339676][T12167]      netlink_rcv_skb+0x130/0x360
[ 1748.339676][T12167]      netlink_unicast+0x449/0x710
[ 1748.339676][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1748.339676][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1748.339676][T12167]      ___sys_sendmsg+0xee/0x170
[ 1748.339676][T12167]      __sys_sendmsg+0xcd/0x170
[ 1748.339676][T12167]      do_syscall_64+0xc6/0x1e0
[ 1748.339676][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1748.339676][T12167] 
[ 1758.382763][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1758.383242][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1758.383242][T12167]      netdev_get_by_index+0x5e/0x80
[ 1758.383242][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1758.383242][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1758.383242][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1758.383242][T12167]      ipv6_add_addr+0x411/0x2000
[ 1758.383242][T12167]      inet6_addr_add+0x30e/0xa40
[ 1758.383242][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1758.383242][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1758.383242][T12167]      netlink_rcv_skb+0x130/0x360
[ 1758.383242][T12167]      netlink_unicast+0x449/0x710
[ 1758.383242][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1758.383242][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1758.383242][T12167]      ___sys_sendmsg+0xee/0x170
[ 1758.383242][T12167]      __sys_sendmsg+0xcd/0x170
[ 1758.383242][T12167]      do_syscall_64+0xc6/0x1e0
[ 1758.383242][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1758.383242][T12167] 
[ 1758.385565][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1758.385565][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1758.385565][T12167]      ipv6_find_idev+0x102/0x170
[ 1758.385565][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1758.385565][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1758.385565][T12167]      netlink_rcv_skb+0x130/0x360
[ 1758.385565][T12167]      netlink_unicast+0x449/0x710
[ 1758.385565][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1758.385565][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1758.385565][T12167]      ___sys_sendmsg+0xee/0x170
[ 1758.385565][T12167]      __sys_sendmsg+0xcd/0x170
[ 1758.385565][T12167]      do_syscall_64+0xc6/0x1e0
[ 1758.385565][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1758.385565][T12167] 
[ 1758.387327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1758.387327][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1758.387327][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1758.387327][T12167]      ipv6_find_idev+0x102/0x170
[ 1758.387327][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1758.387327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1758.387327][T12167]      netlink_rcv_skb+0x130/0x360
[ 1758.387327][T12167]      netlink_unicast+0x449/0x710
[ 1758.387327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1758.387327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1758.387327][T12167]      ___sys_sendmsg+0xee/0x170
[ 1758.387327][T12167]      __sys_sendmsg+0xcd/0x170
[ 1758.387327][T12167]      do_syscall_64+0xc6/0x1e0
[ 1758.387327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1758.387327][T12167] 
[ 1768.478757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1768.479278][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1768.479278][T12167]      netdev_get_by_index+0x5e/0x80
[ 1768.479278][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1768.479278][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1768.479278][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1768.479278][T12167]      ipv6_add_addr+0x411/0x2000
[ 1768.479278][T12167]      inet6_addr_add+0x30e/0xa40
[ 1768.479278][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1768.479278][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1768.479278][T12167]      netlink_rcv_skb+0x130/0x360
[ 1768.479278][T12167]      netlink_unicast+0x449/0x710
[ 1768.479278][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1768.479278][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1768.479278][T12167]      ___sys_sendmsg+0xee/0x170
[ 1768.479278][T12167]      __sys_sendmsg+0xcd/0x170
[ 1768.479278][T12167]      do_syscall_64+0xc6/0x1e0
[ 1768.479278][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1768.479278][T12167] 
[ 1768.481590][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1768.481590][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1768.481590][T12167]      ipv6_find_idev+0x102/0x170
[ 1768.481590][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1768.481590][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1768.481590][T12167]      netlink_rcv_skb+0x130/0x360
[ 1768.481590][T12167]      netlink_unicast+0x449/0x710
[ 1768.481590][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1768.481590][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1768.481590][T12167]      ___sys_sendmsg+0xee/0x170
[ 1768.481590][T12167]      __sys_sendmsg+0xcd/0x170
[ 1768.481590][T12167]      do_syscall_64+0xc6/0x1e0
[ 1768.481590][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1768.481590][T12167] 
[ 1768.483333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1768.483333][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1768.483333][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1768.483333][T12167]      ipv6_find_idev+0x102/0x170
[ 1768.483333][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1768.483333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1768.483333][T12167]      netlink_rcv_skb+0x130/0x360
[ 1768.483333][T12167]      netlink_unicast+0x449/0x710
[ 1768.483333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1768.483333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1768.483333][T12167]      ___sys_sendmsg+0xee/0x170
[ 1768.483333][T12167]      __sys_sendmsg+0xcd/0x170
[ 1768.483333][T12167]      do_syscall_64+0xc6/0x1e0
[ 1768.483333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1768.483333][T12167] 
[ 1778.838951][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1778.839706][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1778.839706][T12167]      netdev_get_by_index+0x5e/0x80
[ 1778.839706][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1778.839706][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1778.839706][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1778.839706][T12167]      ipv6_add_addr+0x411/0x2000
[ 1778.839706][T12167]      inet6_addr_add+0x30e/0xa40
[ 1778.839706][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1778.839706][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1778.839706][T12167]      netlink_rcv_skb+0x130/0x360
[ 1778.839706][T12167]      netlink_unicast+0x449/0x710
[ 1778.839706][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1778.839706][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1778.839706][T12167]      ___sys_sendmsg+0xee/0x170
[ 1778.839706][T12167]      __sys_sendmsg+0xcd/0x170
[ 1778.839706][T12167]      do_syscall_64+0xc6/0x1e0
[ 1778.839706][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1778.839706][T12167] 
[ 1778.843411][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1778.843411][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1778.843411][T12167]      ipv6_find_idev+0x102/0x170
[ 1778.843411][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1778.843411][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1778.843411][T12167]      netlink_rcv_skb+0x130/0x360
[ 1778.843411][T12167]      netlink_unicast+0x449/0x710
[ 1778.843411][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1778.843411][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1778.843411][T12167]      ___sys_sendmsg+0xee/0x170
[ 1778.843411][T12167]      __sys_sendmsg+0xcd/0x170
[ 1778.843411][T12167]      do_syscall_64+0xc6/0x1e0
[ 1778.843411][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1778.843411][T12167] 
[ 1778.846229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1778.846229][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1778.846229][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1778.846229][T12167]      ipv6_find_idev+0x102/0x170
[ 1778.846229][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1778.846229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1778.846229][T12167]      netlink_rcv_skb+0x130/0x360
[ 1778.846229][T12167]      netlink_unicast+0x449/0x710
[ 1778.846229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1778.846229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1778.846229][T12167]      ___sys_sendmsg+0xee/0x170
[ 1778.846229][T12167]      __sys_sendmsg+0xcd/0x170
[ 1778.846229][T12167]      do_syscall_64+0xc6/0x1e0
[ 1778.846229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1778.846229][T12167] 
[ 1789.334922][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1789.335490][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1789.335490][T12167]      netdev_get_by_index+0x5e/0x80
[ 1789.335490][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1789.335490][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1789.335490][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1789.335490][T12167]      ipv6_add_addr+0x411/0x2000
[ 1789.335490][T12167]      inet6_addr_add+0x30e/0xa40
[ 1789.335490][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1789.335490][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1789.335490][T12167]      netlink_rcv_skb+0x130/0x360
[ 1789.335490][T12167]      netlink_unicast+0x449/0x710
[ 1789.335490][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1789.335490][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1789.335490][T12167]      ___sys_sendmsg+0xee/0x170
[ 1789.335490][T12167]      __sys_sendmsg+0xcd/0x170
[ 1789.335490][T12167]      do_syscall_64+0xc6/0x1e0
[ 1789.335490][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1789.335490][T12167] 
[ 1789.337966][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1789.337966][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1789.337966][T12167]      ipv6_find_idev+0x102/0x170
[ 1789.337966][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1789.337966][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1789.337966][T12167]      netlink_rcv_skb+0x130/0x360
[ 1789.337966][T12167]      netlink_unicast+0x449/0x710
[ 1789.337966][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1789.337966][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1789.337966][T12167]      ___sys_sendmsg+0xee/0x170
[ 1789.337966][T12167]      __sys_sendmsg+0xcd/0x170
[ 1789.337966][T12167]      do_syscall_64+0xc6/0x1e0
[ 1789.337966][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1789.337966][T12167] 
[ 1789.339733][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1789.339733][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1789.339733][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1789.339733][T12167]      ipv6_find_idev+0x102/0x170
[ 1789.339733][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1789.339733][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1789.339733][T12167]      netlink_rcv_skb+0x130/0x360
[ 1789.339733][T12167]      netlink_unicast+0x449/0x710
[ 1789.339733][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1789.339733][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1789.339733][T12167]      ___sys_sendmsg+0xee/0x170
[ 1789.339733][T12167]      __sys_sendmsg+0xcd/0x170
[ 1789.339733][T12167]      do_syscall_64+0xc6/0x1e0
[ 1789.339733][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1789.339733][T12167] 
[ 1799.446771][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1799.447262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1799.447262][T12167]      netdev_get_by_index+0x5e/0x80
[ 1799.447262][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1799.447262][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1799.447262][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1799.447262][T12167]      ipv6_add_addr+0x411/0x2000
[ 1799.447262][T12167]      inet6_addr_add+0x30e/0xa40
[ 1799.447262][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1799.447262][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1799.447262][T12167]      netlink_rcv_skb+0x130/0x360
[ 1799.447262][T12167]      netlink_unicast+0x449/0x710
[ 1799.447262][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1799.447262][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1799.447262][T12167]      ___sys_sendmsg+0xee/0x170
[ 1799.447262][T12167]      __sys_sendmsg+0xcd/0x170
[ 1799.447262][T12167]      do_syscall_64+0xc6/0x1e0
[ 1799.447262][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1799.447262][T12167] 
[ 1799.450067][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1799.450067][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1799.450067][T12167]      ipv6_find_idev+0x102/0x170
[ 1799.450067][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1799.450067][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1799.450067][T12167]      netlink_rcv_skb+0x130/0x360
[ 1799.450067][T12167]      netlink_unicast+0x449/0x710
[ 1799.450067][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1799.450067][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1799.450067][T12167]      ___sys_sendmsg+0xee/0x170
[ 1799.450067][T12167]      __sys_sendmsg+0xcd/0x170
[ 1799.450067][T12167]      do_syscall_64+0xc6/0x1e0
[ 1799.450067][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1799.450067][T12167] 
[ 1799.452058][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1799.452058][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1799.452058][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1799.452058][T12167]      ipv6_find_idev+0x102/0x170
[ 1799.452058][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1799.452058][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1799.452058][T12167]      netlink_rcv_skb+0x130/0x360
[ 1799.452058][T12167]      netlink_unicast+0x449/0x710
[ 1799.452058][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1799.452058][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1799.452058][T12167]      ___sys_sendmsg+0xee/0x170
[ 1799.452058][T12167]      __sys_sendmsg+0xcd/0x170
[ 1799.452058][T12167]      do_syscall_64+0xc6/0x1e0
[ 1799.452058][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1799.452058][T12167] 
[ 1809.694798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1809.695337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1809.695337][T12167]      netdev_get_by_index+0x5e/0x80
[ 1809.695337][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1809.695337][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1809.695337][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1809.695337][T12167]      ipv6_add_addr+0x411/0x2000
[ 1809.695337][T12167]      inet6_addr_add+0x30e/0xa40
[ 1809.695337][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1809.695337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1809.695337][T12167]      netlink_rcv_skb+0x130/0x360
[ 1809.695337][T12167]      netlink_unicast+0x449/0x710
[ 1809.695337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1809.695337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1809.695337][T12167]      ___sys_sendmsg+0xee/0x170
[ 1809.695337][T12167]      __sys_sendmsg+0xcd/0x170
[ 1809.695337][T12167]      do_syscall_64+0xc6/0x1e0
[ 1809.695337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1809.695337][T12167] 
[ 1809.697633][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1809.697633][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1809.697633][T12167]      ipv6_find_idev+0x102/0x170
[ 1809.697633][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1809.697633][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1809.697633][T12167]      netlink_rcv_skb+0x130/0x360
[ 1809.697633][T12167]      netlink_unicast+0x449/0x710
[ 1809.697633][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1809.697633][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1809.697633][T12167]      ___sys_sendmsg+0xee/0x170
[ 1809.697633][T12167]      __sys_sendmsg+0xcd/0x170
[ 1809.697633][T12167]      do_syscall_64+0xc6/0x1e0
[ 1809.697633][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1809.697633][T12167] 
[ 1809.699378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1809.699378][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1809.699378][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1809.699378][T12167]      ipv6_find_idev+0x102/0x170
[ 1809.699378][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1809.699378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1809.699378][T12167]      netlink_rcv_skb+0x130/0x360
[ 1809.699378][T12167]      netlink_unicast+0x449/0x710
[ 1809.699378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1809.699378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1809.699378][T12167]      ___sys_sendmsg+0xee/0x170
[ 1809.699378][T12167]      __sys_sendmsg+0xcd/0x170
[ 1809.699378][T12167]      do_syscall_64+0xc6/0x1e0
[ 1809.699378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1809.699378][T12167] 
[ 1819.942892][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1819.943367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1819.943367][T12167]      netdev_get_by_index+0x5e/0x80
[ 1819.943367][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1819.943367][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1819.943367][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1819.943367][T12167]      ipv6_add_addr+0x411/0x2000
[ 1819.943367][T12167]      inet6_addr_add+0x30e/0xa40
[ 1819.943367][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1819.943367][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1819.943367][T12167]      netlink_rcv_skb+0x130/0x360
[ 1819.943367][T12167]      netlink_unicast+0x449/0x710
[ 1819.943367][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1819.943367][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1819.943367][T12167]      ___sys_sendmsg+0xee/0x170
[ 1819.943367][T12167]      __sys_sendmsg+0xcd/0x170
[ 1819.943367][T12167]      do_syscall_64+0xc6/0x1e0
[ 1819.943367][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1819.943367][T12167] 
[ 1819.945756][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1819.945756][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1819.945756][T12167]      ipv6_find_idev+0x102/0x170
[ 1819.945756][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1819.945756][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1819.945756][T12167]      netlink_rcv_skb+0x130/0x360
[ 1819.945756][T12167]      netlink_unicast+0x449/0x710
[ 1819.945756][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1819.945756][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1819.945756][T12167]      ___sys_sendmsg+0xee/0x170
[ 1819.945756][T12167]      __sys_sendmsg+0xcd/0x170
[ 1819.945756][T12167]      do_syscall_64+0xc6/0x1e0
[ 1819.945756][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1819.945756][T12167] 
[ 1819.947583][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1819.947583][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1819.947583][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1819.947583][T12167]      ipv6_find_idev+0x102/0x170
[ 1819.947583][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1819.947583][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1819.947583][T12167]      netlink_rcv_skb+0x130/0x360
[ 1819.947583][T12167]      netlink_unicast+0x449/0x710
[ 1819.947583][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1819.947583][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1819.947583][T12167]      ___sys_sendmsg+0xee/0x170
[ 1819.947583][T12167]      __sys_sendmsg+0xcd/0x170
[ 1819.947583][T12167]      do_syscall_64+0xc6/0x1e0
[ 1819.947583][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1819.947583][T12167] 
[ 1830.190830][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1830.191371][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1830.191371][T12167]      netdev_get_by_index+0x5e/0x80
[ 1830.191371][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1830.191371][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1830.191371][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1830.191371][T12167]      ipv6_add_addr+0x411/0x2000
[ 1830.191371][T12167]      inet6_addr_add+0x30e/0xa40
[ 1830.191371][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1830.191371][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1830.191371][T12167]      netlink_rcv_skb+0x130/0x360
[ 1830.191371][T12167]      netlink_unicast+0x449/0x710
[ 1830.191371][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1830.191371][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1830.191371][T12167]      ___sys_sendmsg+0xee/0x170
[ 1830.191371][T12167]      __sys_sendmsg+0xcd/0x170
[ 1830.191371][T12167]      do_syscall_64+0xc6/0x1e0
[ 1830.191371][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1830.191371][T12167] 
[ 1830.193814][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1830.193814][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1830.193814][T12167]      ipv6_find_idev+0x102/0x170
[ 1830.193814][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1830.193814][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1830.193814][T12167]      netlink_rcv_skb+0x130/0x360
[ 1830.193814][T12167]      netlink_unicast+0x449/0x710
[ 1830.193814][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1830.193814][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1830.193814][T12167]      ___sys_sendmsg+0xee/0x170
[ 1830.193814][T12167]      __sys_sendmsg+0xcd/0x170
[ 1830.193814][T12167]      do_syscall_64+0xc6/0x1e0
[ 1830.193814][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1830.193814][T12167] 
[ 1830.195565][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1830.195565][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1830.195565][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1830.195565][T12167]      ipv6_find_idev+0x102/0x170
[ 1830.195565][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1830.195565][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1830.195565][T12167]      netlink_rcv_skb+0x130/0x360
[ 1830.195565][T12167]      netlink_unicast+0x449/0x710
[ 1830.195565][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1830.195565][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1830.195565][T12167]      ___sys_sendmsg+0xee/0x170
[ 1830.195565][T12167]      __sys_sendmsg+0xcd/0x170
[ 1830.195565][T12167]      do_syscall_64+0xc6/0x1e0
[ 1830.195565][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1830.195565][T12167] 
[ 1840.438759][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1840.439329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1840.439329][T12167]      netdev_get_by_index+0x5e/0x80
[ 1840.439329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1840.439329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1840.439329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1840.439329][T12167]      ipv6_add_addr+0x411/0x2000
[ 1840.439329][T12167]      inet6_addr_add+0x30e/0xa40
[ 1840.439329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1840.439329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1840.439329][T12167]      netlink_rcv_skb+0x130/0x360
[ 1840.439329][T12167]      netlink_unicast+0x449/0x710
[ 1840.439329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1840.439329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1840.439329][T12167]      ___sys_sendmsg+0xee/0x170
[ 1840.439329][T12167]      __sys_sendmsg+0xcd/0x170
[ 1840.439329][T12167]      do_syscall_64+0xc6/0x1e0
[ 1840.439329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1840.439329][T12167] 
[ 1840.441626][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1840.441626][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1840.441626][T12167]      ipv6_find_idev+0x102/0x170
[ 1840.441626][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1840.441626][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1840.441626][T12167]      netlink_rcv_skb+0x130/0x360
[ 1840.441626][T12167]      netlink_unicast+0x449/0x710
[ 1840.441626][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1840.441626][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1840.441626][T12167]      ___sys_sendmsg+0xee/0x170
[ 1840.441626][T12167]      __sys_sendmsg+0xcd/0x170
[ 1840.441626][T12167]      do_syscall_64+0xc6/0x1e0
[ 1840.441626][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1840.441626][T12167] 
[ 1840.443370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1840.443370][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1840.443370][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1840.443370][T12167]      ipv6_find_idev+0x102/0x170
[ 1840.443370][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1840.443370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1840.443370][T12167]      netlink_rcv_skb+0x130/0x360
[ 1840.443370][T12167]      netlink_unicast+0x449/0x710
[ 1840.443370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1840.443370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1840.443370][T12167]      ___sys_sendmsg+0xee/0x170
[ 1840.443370][T12167]      __sys_sendmsg+0xcd/0x170
[ 1840.443370][T12167]      do_syscall_64+0xc6/0x1e0
[ 1840.443370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1840.443370][T12167] 
[ 1850.686852][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1850.687329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1850.687329][T12167]      netdev_get_by_index+0x5e/0x80
[ 1850.687329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1850.687329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1850.687329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1850.687329][T12167]      ipv6_add_addr+0x411/0x2000
[ 1850.687329][T12167]      inet6_addr_add+0x30e/0xa40
[ 1850.687329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1850.687329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1850.687329][T12167]      netlink_rcv_skb+0x130/0x360
[ 1850.687329][T12167]      netlink_unicast+0x449/0x710
[ 1850.687329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1850.687329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1850.687329][T12167]      ___sys_sendmsg+0xee/0x170
[ 1850.687329][T12167]      __sys_sendmsg+0xcd/0x170
[ 1850.687329][T12167]      do_syscall_64+0xc6/0x1e0
[ 1850.687329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1850.687329][T12167] 
[ 1850.689608][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1850.689608][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1850.689608][T12167]      ipv6_find_idev+0x102/0x170
[ 1850.689608][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1850.689608][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1850.689608][T12167]      netlink_rcv_skb+0x130/0x360
[ 1850.689608][T12167]      netlink_unicast+0x449/0x710
[ 1850.689608][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1850.689608][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1850.689608][T12167]      ___sys_sendmsg+0xee/0x170
[ 1850.689608][T12167]      __sys_sendmsg+0xcd/0x170
[ 1850.689608][T12167]      do_syscall_64+0xc6/0x1e0
[ 1850.689608][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1850.689608][T12167] 
[ 1850.691357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1850.691357][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1850.691357][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1850.691357][T12167]      ipv6_find_idev+0x102/0x170
[ 1850.691357][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1850.691357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1850.691357][T12167]      netlink_rcv_skb+0x130/0x360
[ 1850.691357][T12167]      netlink_unicast+0x449/0x710
[ 1850.691357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1850.691357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1850.691357][T12167]      ___sys_sendmsg+0xee/0x170
[ 1850.691357][T12167]      __sys_sendmsg+0xcd/0x170
[ 1850.691357][T12167]      do_syscall_64+0xc6/0x1e0
[ 1850.691357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1850.691357][T12167] 
[ 1860.934746][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1860.935205][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1860.935205][T12167]      netdev_get_by_index+0x5e/0x80
[ 1860.935205][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1860.935205][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1860.935205][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1860.935205][T12167]      ipv6_add_addr+0x411/0x2000
[ 1860.935205][T12167]      inet6_addr_add+0x30e/0xa40
[ 1860.935205][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1860.935205][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1860.935205][T12167]      netlink_rcv_skb+0x130/0x360
[ 1860.935205][T12167]      netlink_unicast+0x449/0x710
[ 1860.935205][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1860.935205][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1860.935205][T12167]      ___sys_sendmsg+0xee/0x170
[ 1860.935205][T12167]      __sys_sendmsg+0xcd/0x170
[ 1860.935205][T12167]      do_syscall_64+0xc6/0x1e0
[ 1860.935205][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1860.935205][T12167] 
[ 1860.937549][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1860.937549][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1860.937549][T12167]      ipv6_find_idev+0x102/0x170
[ 1860.937549][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1860.937549][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1860.937549][T12167]      netlink_rcv_skb+0x130/0x360
[ 1860.937549][T12167]      netlink_unicast+0x449/0x710
[ 1860.937549][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1860.937549][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1860.937549][T12167]      ___sys_sendmsg+0xee/0x170
[ 1860.937549][T12167]      __sys_sendmsg+0xcd/0x170
[ 1860.937549][T12167]      do_syscall_64+0xc6/0x1e0
[ 1860.937549][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1860.937549][T12167] 
[ 1860.939308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1860.939308][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1860.939308][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1860.939308][T12167]      ipv6_find_idev+0x102/0x170
[ 1860.939308][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1860.939308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1860.939308][T12167]      netlink_rcv_skb+0x130/0x360
[ 1860.939308][T12167]      netlink_unicast+0x449/0x710
[ 1860.939308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1860.939308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1860.939308][T12167]      ___sys_sendmsg+0xee/0x170
[ 1860.939308][T12167]      __sys_sendmsg+0xcd/0x170
[ 1860.939308][T12167]      do_syscall_64+0xc6/0x1e0
[ 1860.939308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1860.939308][T12167] 
[ 1871.094817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1871.095324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1871.095324][T12167]      netdev_get_by_index+0x5e/0x80
[ 1871.095324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1871.095324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1871.095324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1871.095324][T12167]      ipv6_add_addr+0x411/0x2000
[ 1871.095324][T12167]      inet6_addr_add+0x30e/0xa40
[ 1871.095324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1871.095324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1871.095324][T12167]      netlink_rcv_skb+0x130/0x360
[ 1871.095324][T12167]      netlink_unicast+0x449/0x710
[ 1871.095324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1871.095324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1871.095324][T12167]      ___sys_sendmsg+0xee/0x170
[ 1871.095324][T12167]      __sys_sendmsg+0xcd/0x170
[ 1871.095324][T12167]      do_syscall_64+0xc6/0x1e0
[ 1871.095324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1871.095324][T12167] 
[ 1871.097696][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1871.097696][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1871.097696][T12167]      ipv6_find_idev+0x102/0x170
[ 1871.097696][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1871.097696][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1871.097696][T12167]      netlink_rcv_skb+0x130/0x360
[ 1871.097696][T12167]      netlink_unicast+0x449/0x710
[ 1871.097696][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1871.097696][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1871.097696][T12167]      ___sys_sendmsg+0xee/0x170
[ 1871.097696][T12167]      __sys_sendmsg+0xcd/0x170
[ 1871.097696][T12167]      do_syscall_64+0xc6/0x1e0
[ 1871.097696][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1871.097696][T12167] 
[ 1871.099446][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1871.099446][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1871.099446][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1871.099446][T12167]      ipv6_find_idev+0x102/0x170
[ 1871.099446][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1871.099446][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1871.099446][T12167]      netlink_rcv_skb+0x130/0x360
[ 1871.099446][T12167]      netlink_unicast+0x449/0x710
[ 1871.099446][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1871.099446][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1871.099446][T12167]      ___sys_sendmsg+0xee/0x170
[ 1871.099446][T12167]      __sys_sendmsg+0xcd/0x170
[ 1871.099446][T12167]      do_syscall_64+0xc6/0x1e0
[ 1871.099446][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1871.099446][T12167] 
[ 1881.150869][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1881.151339][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1881.151339][T12167]      netdev_get_by_index+0x5e/0x80
[ 1881.151339][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1881.151339][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1881.151339][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1881.151339][T12167]      ipv6_add_addr+0x411/0x2000
[ 1881.151339][T12167]      inet6_addr_add+0x30e/0xa40
[ 1881.151339][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1881.151339][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1881.151339][T12167]      netlink_rcv_skb+0x130/0x360
[ 1881.151339][T12167]      netlink_unicast+0x449/0x710
[ 1881.151339][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1881.151339][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1881.151339][T12167]      ___sys_sendmsg+0xee/0x170
[ 1881.151339][T12167]      __sys_sendmsg+0xcd/0x170
[ 1881.151339][T12167]      do_syscall_64+0xc6/0x1e0
[ 1881.151339][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1881.151339][T12167] 
[ 1881.153645][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1881.153645][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1881.153645][T12167]      ipv6_find_idev+0x102/0x170
[ 1881.153645][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1881.153645][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1881.153645][T12167]      netlink_rcv_skb+0x130/0x360
[ 1881.153645][T12167]      netlink_unicast+0x449/0x710
[ 1881.153645][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1881.153645][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1881.153645][T12167]      ___sys_sendmsg+0xee/0x170
[ 1881.153645][T12167]      __sys_sendmsg+0xcd/0x170
[ 1881.153645][T12167]      do_syscall_64+0xc6/0x1e0
[ 1881.153645][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1881.153645][T12167] 
[ 1881.155393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1881.155393][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1881.155393][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1881.155393][T12167]      ipv6_find_idev+0x102/0x170
[ 1881.155393][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1881.155393][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1881.155393][T12167]      netlink_rcv_skb+0x130/0x360
[ 1881.155393][T12167]      netlink_unicast+0x449/0x710
[ 1881.155393][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1881.155393][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1881.155393][T12167]      ___sys_sendmsg+0xee/0x170
[ 1881.155393][T12167]      __sys_sendmsg+0xcd/0x170
[ 1881.155393][T12167]      do_syscall_64+0xc6/0x1e0
[ 1881.155393][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1881.155393][T12167] 
[ 1891.398870][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1891.399346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1891.399346][T12167]      netdev_get_by_index+0x5e/0x80
[ 1891.399346][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1891.399346][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1891.399346][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1891.399346][T12167]      ipv6_add_addr+0x411/0x2000
[ 1891.399346][T12167]      inet6_addr_add+0x30e/0xa40
[ 1891.399346][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1891.399346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1891.399346][T12167]      netlink_rcv_skb+0x130/0x360
[ 1891.399346][T12167]      netlink_unicast+0x449/0x710
[ 1891.399346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1891.399346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1891.399346][T12167]      ___sys_sendmsg+0xee/0x170
[ 1891.399346][T12167]      __sys_sendmsg+0xcd/0x170
[ 1891.399346][T12167]      do_syscall_64+0xc6/0x1e0
[ 1891.399346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1891.399346][T12167] 
[ 1891.401750][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1891.401750][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1891.401750][T12167]      ipv6_find_idev+0x102/0x170
[ 1891.401750][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1891.401750][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1891.401750][T12167]      netlink_rcv_skb+0x130/0x360
[ 1891.401750][T12167]      netlink_unicast+0x449/0x710
[ 1891.401750][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1891.401750][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1891.401750][T12167]      ___sys_sendmsg+0xee/0x170
[ 1891.401750][T12167]      __sys_sendmsg+0xcd/0x170
[ 1891.401750][T12167]      do_syscall_64+0xc6/0x1e0
[ 1891.401750][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1891.401750][T12167] 
[ 1891.403483][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1891.403483][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1891.403483][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1891.403483][T12167]      ipv6_find_idev+0x102/0x170
[ 1891.403483][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1891.403483][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1891.403483][T12167]      netlink_rcv_skb+0x130/0x360
[ 1891.403483][T12167]      netlink_unicast+0x449/0x710
[ 1891.403483][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1891.403483][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1891.403483][T12167]      ___sys_sendmsg+0xee/0x170
[ 1891.403483][T12167]      __sys_sendmsg+0xcd/0x170
[ 1891.403483][T12167]      do_syscall_64+0xc6/0x1e0
[ 1891.403483][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1891.403483][T12167] 
[ 1901.646785][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1901.647258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1901.647258][T12167]      netdev_get_by_index+0x5e/0x80
[ 1901.647258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1901.647258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1901.647258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1901.647258][T12167]      ipv6_add_addr+0x411/0x2000
[ 1901.647258][T12167]      inet6_addr_add+0x30e/0xa40
[ 1901.647258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1901.647258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1901.647258][T12167]      netlink_rcv_skb+0x130/0x360
[ 1901.647258][T12167]      netlink_unicast+0x449/0x710
[ 1901.647258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1901.647258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1901.647258][T12167]      ___sys_sendmsg+0xee/0x170
[ 1901.647258][T12167]      __sys_sendmsg+0xcd/0x170
[ 1901.647258][T12167]      do_syscall_64+0xc6/0x1e0
[ 1901.647258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1901.647258][T12167] 
[ 1901.649620][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1901.649620][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1901.649620][T12167]      ipv6_find_idev+0x102/0x170
[ 1901.649620][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1901.649620][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1901.649620][T12167]      netlink_rcv_skb+0x130/0x360
[ 1901.649620][T12167]      netlink_unicast+0x449/0x710
[ 1901.649620][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1901.649620][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1901.649620][T12167]      ___sys_sendmsg+0xee/0x170
[ 1901.649620][T12167]      __sys_sendmsg+0xcd/0x170
[ 1901.649620][T12167]      do_syscall_64+0xc6/0x1e0
[ 1901.649620][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1901.649620][T12167] 
[ 1901.651388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1901.651388][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1901.651388][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1901.651388][T12167]      ipv6_find_idev+0x102/0x170
[ 1901.651388][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1901.651388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1901.651388][T12167]      netlink_rcv_skb+0x130/0x360
[ 1901.651388][T12167]      netlink_unicast+0x449/0x710
[ 1901.651388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1901.651388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1901.651388][T12167]      ___sys_sendmsg+0xee/0x170
[ 1901.651388][T12167]      __sys_sendmsg+0xcd/0x170
[ 1901.651388][T12167]      do_syscall_64+0xc6/0x1e0
[ 1901.651388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1901.651388][T12167] 
[ 1911.702819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1911.703294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1911.703294][T12167]      netdev_get_by_index+0x5e/0x80
[ 1911.703294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1911.703294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1911.703294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1911.703294][T12167]      ipv6_add_addr+0x411/0x2000
[ 1911.703294][T12167]      inet6_addr_add+0x30e/0xa40
[ 1911.703294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1911.703294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1911.703294][T12167]      netlink_rcv_skb+0x130/0x360
[ 1911.703294][T12167]      netlink_unicast+0x449/0x710
[ 1911.703294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1911.703294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1911.703294][T12167]      ___sys_sendmsg+0xee/0x170
[ 1911.703294][T12167]      __sys_sendmsg+0xcd/0x170
[ 1911.703294][T12167]      do_syscall_64+0xc6/0x1e0
[ 1911.703294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1911.703294][T12167] 
[ 1911.705671][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1911.705671][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1911.705671][T12167]      ipv6_find_idev+0x102/0x170
[ 1911.705671][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1911.705671][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1911.705671][T12167]      netlink_rcv_skb+0x130/0x360
[ 1911.705671][T12167]      netlink_unicast+0x449/0x710
[ 1911.705671][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1911.705671][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1911.705671][T12167]      ___sys_sendmsg+0xee/0x170
[ 1911.705671][T12167]      __sys_sendmsg+0xcd/0x170
[ 1911.705671][T12167]      do_syscall_64+0xc6/0x1e0
[ 1911.705671][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1911.705671][T12167] 
[ 1911.707437][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1911.707437][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1911.707437][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1911.707437][T12167]      ipv6_find_idev+0x102/0x170
[ 1911.707437][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1911.707437][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1911.707437][T12167]      netlink_rcv_skb+0x130/0x360
[ 1911.707437][T12167]      netlink_unicast+0x449/0x710
[ 1911.707437][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1911.707437][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1911.707437][T12167]      ___sys_sendmsg+0xee/0x170
[ 1911.707437][T12167]      __sys_sendmsg+0xcd/0x170
[ 1911.707437][T12167]      do_syscall_64+0xc6/0x1e0
[ 1911.707437][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1911.707437][T12167] 
[ 1921.950930][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1921.951424][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1921.951424][T12167]      netdev_get_by_index+0x5e/0x80
[ 1921.951424][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1921.951424][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1921.951424][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1921.951424][T12167]      ipv6_add_addr+0x411/0x2000
[ 1921.951424][T12167]      inet6_addr_add+0x30e/0xa40
[ 1921.951424][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1921.951424][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1921.951424][T12167]      netlink_rcv_skb+0x130/0x360
[ 1921.951424][T12167]      netlink_unicast+0x449/0x710
[ 1921.951424][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1921.951424][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1921.951424][T12167]      ___sys_sendmsg+0xee/0x170
[ 1921.951424][T12167]      __sys_sendmsg+0xcd/0x170
[ 1921.951424][T12167]      do_syscall_64+0xc6/0x1e0
[ 1921.951424][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1921.951424][T12167] 
[ 1921.953704][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1921.953704][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1921.953704][T12167]      ipv6_find_idev+0x102/0x170
[ 1921.953704][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1921.953704][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1921.953704][T12167]      netlink_rcv_skb+0x130/0x360
[ 1921.953704][T12167]      netlink_unicast+0x449/0x710
[ 1921.953704][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1921.953704][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1921.953704][T12167]      ___sys_sendmsg+0xee/0x170
[ 1921.953704][T12167]      __sys_sendmsg+0xcd/0x170
[ 1921.953704][T12167]      do_syscall_64+0xc6/0x1e0
[ 1921.953704][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1921.953704][T12167] 
[ 1921.955448][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1921.955448][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1921.955448][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1921.955448][T12167]      ipv6_find_idev+0x102/0x170
[ 1921.955448][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1921.955448][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1921.955448][T12167]      netlink_rcv_skb+0x130/0x360
[ 1921.955448][T12167]      netlink_unicast+0x449/0x710
[ 1921.955448][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1921.955448][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1921.955448][T12167]      ___sys_sendmsg+0xee/0x170
[ 1921.955448][T12167]      __sys_sendmsg+0xcd/0x170
[ 1921.955448][T12167]      do_syscall_64+0xc6/0x1e0
[ 1921.955448][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1921.955448][T12167] 
[ 1932.198788][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1932.199251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1932.199251][T12167]      netdev_get_by_index+0x5e/0x80
[ 1932.199251][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1932.199251][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1932.199251][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1932.199251][T12167]      ipv6_add_addr+0x411/0x2000
[ 1932.199251][T12167]      inet6_addr_add+0x30e/0xa40
[ 1932.199251][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1932.199251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1932.199251][T12167]      netlink_rcv_skb+0x130/0x360
[ 1932.199251][T12167]      netlink_unicast+0x449/0x710
[ 1932.199251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1932.199251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1932.199251][T12167]      ___sys_sendmsg+0xee/0x170
[ 1932.199251][T12167]      __sys_sendmsg+0xcd/0x170
[ 1932.199251][T12167]      do_syscall_64+0xc6/0x1e0
[ 1932.199251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1932.199251][T12167] 
[ 1932.201552][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1932.201552][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1932.201552][T12167]      ipv6_find_idev+0x102/0x170
[ 1932.201552][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1932.201552][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1932.201552][T12167]      netlink_rcv_skb+0x130/0x360
[ 1932.201552][T12167]      netlink_unicast+0x449/0x710
[ 1932.201552][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1932.201552][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1932.201552][T12167]      ___sys_sendmsg+0xee/0x170
[ 1932.201552][T12167]      __sys_sendmsg+0xcd/0x170
[ 1932.201552][T12167]      do_syscall_64+0xc6/0x1e0
[ 1932.201552][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1932.201552][T12167] 
[ 1932.203299][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1932.203299][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1932.203299][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1932.203299][T12167]      ipv6_find_idev+0x102/0x170
[ 1932.203299][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1932.203299][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1932.203299][T12167]      netlink_rcv_skb+0x130/0x360
[ 1932.203299][T12167]      netlink_unicast+0x449/0x710
[ 1932.203299][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1932.203299][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1932.203299][T12167]      ___sys_sendmsg+0xee/0x170
[ 1932.203299][T12167]      __sys_sendmsg+0xcd/0x170
[ 1932.203299][T12167]      do_syscall_64+0xc6/0x1e0
[ 1932.203299][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1932.203299][T12167] 
[ 1942.382846][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1942.383564][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1942.383564][T12167]      netdev_get_by_index+0x5e/0x80
[ 1942.383564][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1942.383564][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1942.383564][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1942.383564][T12167]      ipv6_add_addr+0x411/0x2000
[ 1942.383564][T12167]      inet6_addr_add+0x30e/0xa40
[ 1942.383564][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1942.383564][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1942.383564][T12167]      netlink_rcv_skb+0x130/0x360
[ 1942.383564][T12167]      netlink_unicast+0x449/0x710
[ 1942.383564][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1942.383564][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1942.383564][T12167]      ___sys_sendmsg+0xee/0x170
[ 1942.383564][T12167]      __sys_sendmsg+0xcd/0x170
[ 1942.383564][T12167]      do_syscall_64+0xc6/0x1e0
[ 1942.383564][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1942.383564][T12167] 
[ 1942.387387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1942.387387][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1942.387387][T12167]      ipv6_find_idev+0x102/0x170
[ 1942.387387][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1942.387387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1942.387387][T12167]      netlink_rcv_skb+0x130/0x360
[ 1942.387387][T12167]      netlink_unicast+0x449/0x710
[ 1942.387387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1942.387387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1942.387387][T12167]      ___sys_sendmsg+0xee/0x170
[ 1942.387387][T12167]      __sys_sendmsg+0xcd/0x170
[ 1942.387387][T12167]      do_syscall_64+0xc6/0x1e0
[ 1942.387387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1942.387387][T12167] 
[ 1942.390279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1942.390279][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1942.390279][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1942.390279][T12167]      ipv6_find_idev+0x102/0x170
[ 1942.390279][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1942.390279][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1942.390279][T12167]      netlink_rcv_skb+0x130/0x360
[ 1942.390279][T12167]      netlink_unicast+0x449/0x710
[ 1942.390279][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1942.390279][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1942.390279][T12167]      ___sys_sendmsg+0xee/0x170
[ 1942.390279][T12167]      __sys_sendmsg+0xcd/0x170
[ 1942.390279][T12167]      do_syscall_64+0xc6/0x1e0
[ 1942.390279][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1942.390279][T12167] 
[ 1952.502797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1952.503276][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1952.503276][T12167]      netdev_get_by_index+0x5e/0x80
[ 1952.503276][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1952.503276][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1952.503276][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1952.503276][T12167]      ipv6_add_addr+0x411/0x2000
[ 1952.503276][T12167]      inet6_addr_add+0x30e/0xa40
[ 1952.503276][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1952.503276][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1952.503276][T12167]      netlink_rcv_skb+0x130/0x360
[ 1952.503276][T12167]      netlink_unicast+0x449/0x710
[ 1952.503276][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1952.503276][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1952.503276][T12167]      ___sys_sendmsg+0xee/0x170
[ 1952.503276][T12167]      __sys_sendmsg+0xcd/0x170
[ 1952.503276][T12167]      do_syscall_64+0xc6/0x1e0
[ 1952.503276][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1952.503276][T12167] 
[ 1952.505564][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1952.505564][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1952.505564][T12167]      ipv6_find_idev+0x102/0x170
[ 1952.505564][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1952.505564][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1952.505564][T12167]      netlink_rcv_skb+0x130/0x360
[ 1952.505564][T12167]      netlink_unicast+0x449/0x710
[ 1952.505564][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1952.505564][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1952.505564][T12167]      ___sys_sendmsg+0xee/0x170
[ 1952.505564][T12167]      __sys_sendmsg+0xcd/0x170
[ 1952.505564][T12167]      do_syscall_64+0xc6/0x1e0
[ 1952.505564][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1952.505564][T12167] 
[ 1952.507351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1952.507351][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1952.507351][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1952.507351][T12167]      ipv6_find_idev+0x102/0x170
[ 1952.507351][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1952.507351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1952.507351][T12167]      netlink_rcv_skb+0x130/0x360
[ 1952.507351][T12167]      netlink_unicast+0x449/0x710
[ 1952.507351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1952.507351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1952.507351][T12167]      ___sys_sendmsg+0xee/0x170
[ 1952.507351][T12167]      __sys_sendmsg+0xcd/0x170
[ 1952.507351][T12167]      do_syscall_64+0xc6/0x1e0
[ 1952.507351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1952.507351][T12167] 
[ 1962.758821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1962.759289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1962.759289][T12167]      netdev_get_by_index+0x5e/0x80
[ 1962.759289][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1962.759289][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1962.759289][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1962.759289][T12167]      ipv6_add_addr+0x411/0x2000
[ 1962.759289][T12167]      inet6_addr_add+0x30e/0xa40
[ 1962.759289][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1962.759289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1962.759289][T12167]      netlink_rcv_skb+0x130/0x360
[ 1962.759289][T12167]      netlink_unicast+0x449/0x710
[ 1962.759289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1962.759289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1962.759289][T12167]      ___sys_sendmsg+0xee/0x170
[ 1962.759289][T12167]      __sys_sendmsg+0xcd/0x170
[ 1962.759289][T12167]      do_syscall_64+0xc6/0x1e0
[ 1962.759289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1962.759289][T12167] 
[ 1962.761594][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1962.761594][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1962.761594][T12167]      ipv6_find_idev+0x102/0x170
[ 1962.761594][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1962.761594][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1962.761594][T12167]      netlink_rcv_skb+0x130/0x360
[ 1962.761594][T12167]      netlink_unicast+0x449/0x710
[ 1962.761594][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1962.761594][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1962.761594][T12167]      ___sys_sendmsg+0xee/0x170
[ 1962.761594][T12167]      __sys_sendmsg+0xcd/0x170
[ 1962.761594][T12167]      do_syscall_64+0xc6/0x1e0
[ 1962.761594][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1962.761594][T12167] 
[ 1962.763342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1962.763342][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1962.763342][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1962.763342][T12167]      ipv6_find_idev+0x102/0x170
[ 1962.763342][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1962.763342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1962.763342][T12167]      netlink_rcv_skb+0x130/0x360
[ 1962.763342][T12167]      netlink_unicast+0x449/0x710
[ 1962.763342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1962.763342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1962.763342][T12167]      ___sys_sendmsg+0xee/0x170
[ 1962.763342][T12167]      __sys_sendmsg+0xcd/0x170
[ 1962.763342][T12167]      do_syscall_64+0xc6/0x1e0
[ 1962.763342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1962.763342][T12167] 
[ 1973.014788][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1973.015336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1973.015336][T12167]      netdev_get_by_index+0x5e/0x80
[ 1973.015336][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1973.015336][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1973.015336][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1973.015336][T12167]      ipv6_add_addr+0x411/0x2000
[ 1973.015336][T12167]      inet6_addr_add+0x30e/0xa40
[ 1973.015336][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1973.015336][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1973.015336][T12167]      netlink_rcv_skb+0x130/0x360
[ 1973.015336][T12167]      netlink_unicast+0x449/0x710
[ 1973.015336][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1973.015336][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1973.015336][T12167]      ___sys_sendmsg+0xee/0x170
[ 1973.015336][T12167]      __sys_sendmsg+0xcd/0x170
[ 1973.015336][T12167]      do_syscall_64+0xc6/0x1e0
[ 1973.015336][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1973.015336][T12167] 
[ 1973.017652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1973.017652][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1973.017652][T12167]      ipv6_find_idev+0x102/0x170
[ 1973.017652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1973.017652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1973.017652][T12167]      netlink_rcv_skb+0x130/0x360
[ 1973.017652][T12167]      netlink_unicast+0x449/0x710
[ 1973.017652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1973.017652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1973.017652][T12167]      ___sys_sendmsg+0xee/0x170
[ 1973.017652][T12167]      __sys_sendmsg+0xcd/0x170
[ 1973.017652][T12167]      do_syscall_64+0xc6/0x1e0
[ 1973.017652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1973.017652][T12167] 
[ 1973.019387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1973.019387][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1973.019387][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1973.019387][T12167]      ipv6_find_idev+0x102/0x170
[ 1973.019387][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1973.019387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1973.019387][T12167]      netlink_rcv_skb+0x130/0x360
[ 1973.019387][T12167]      netlink_unicast+0x449/0x710
[ 1973.019387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1973.019387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1973.019387][T12167]      ___sys_sendmsg+0xee/0x170
[ 1973.019387][T12167]      __sys_sendmsg+0xcd/0x170
[ 1973.019387][T12167]      do_syscall_64+0xc6/0x1e0
[ 1973.019387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1973.019387][T12167] 
[ 1983.094819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1983.095345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1983.095345][T12167]      netdev_get_by_index+0x5e/0x80
[ 1983.095345][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1983.095345][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1983.095345][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1983.095345][T12167]      ipv6_add_addr+0x411/0x2000
[ 1983.095345][T12167]      inet6_addr_add+0x30e/0xa40
[ 1983.095345][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1983.095345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1983.095345][T12167]      netlink_rcv_skb+0x130/0x360
[ 1983.095345][T12167]      netlink_unicast+0x449/0x710
[ 1983.095345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1983.095345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1983.095345][T12167]      ___sys_sendmsg+0xee/0x170
[ 1983.095345][T12167]      __sys_sendmsg+0xcd/0x170
[ 1983.095345][T12167]      do_syscall_64+0xc6/0x1e0
[ 1983.095345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1983.095345][T12167] 
[ 1983.097640][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1983.097640][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1983.097640][T12167]      ipv6_find_idev+0x102/0x170
[ 1983.097640][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1983.097640][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1983.097640][T12167]      netlink_rcv_skb+0x130/0x360
[ 1983.097640][T12167]      netlink_unicast+0x449/0x710
[ 1983.097640][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1983.097640][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1983.097640][T12167]      ___sys_sendmsg+0xee/0x170
[ 1983.097640][T12167]      __sys_sendmsg+0xcd/0x170
[ 1983.097640][T12167]      do_syscall_64+0xc6/0x1e0
[ 1983.097640][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1983.097640][T12167] 
[ 1983.099392][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1983.099392][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1983.099392][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1983.099392][T12167]      ipv6_find_idev+0x102/0x170
[ 1983.099392][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1983.099392][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1983.099392][T12167]      netlink_rcv_skb+0x130/0x360
[ 1983.099392][T12167]      netlink_unicast+0x449/0x710
[ 1983.099392][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1983.099392][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1983.099392][T12167]      ___sys_sendmsg+0xee/0x170
[ 1983.099392][T12167]      __sys_sendmsg+0xcd/0x170
[ 1983.099392][T12167]      do_syscall_64+0xc6/0x1e0
[ 1983.099392][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1983.099392][T12167] 
[ 1993.294820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 1993.295388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1993.295388][T12167]      netdev_get_by_index+0x5e/0x80
[ 1993.295388][T12167]      fib6_nh_init+0x3d8/0x1580
[ 1993.295388][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 1993.295388][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 1993.295388][T12167]      ipv6_add_addr+0x411/0x2000
[ 1993.295388][T12167]      inet6_addr_add+0x30e/0xa40
[ 1993.295388][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 1993.295388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1993.295388][T12167]      netlink_rcv_skb+0x130/0x360
[ 1993.295388][T12167]      netlink_unicast+0x449/0x710
[ 1993.295388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1993.295388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1993.295388][T12167]      ___sys_sendmsg+0xee/0x170
[ 1993.295388][T12167]      __sys_sendmsg+0xcd/0x170
[ 1993.295388][T12167]      do_syscall_64+0xc6/0x1e0
[ 1993.295388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1993.295388][T12167] 
[ 1993.297662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1993.297662][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 1993.297662][T12167]      ipv6_find_idev+0x102/0x170
[ 1993.297662][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1993.297662][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1993.297662][T12167]      netlink_rcv_skb+0x130/0x360
[ 1993.297662][T12167]      netlink_unicast+0x449/0x710
[ 1993.297662][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1993.297662][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1993.297662][T12167]      ___sys_sendmsg+0xee/0x170
[ 1993.297662][T12167]      __sys_sendmsg+0xcd/0x170
[ 1993.297662][T12167]      do_syscall_64+0xc6/0x1e0
[ 1993.297662][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1993.297662][T12167] 
[ 1993.299399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 1993.299399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 1993.299399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 1993.299399][T12167]      ipv6_find_idev+0x102/0x170
[ 1993.299399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1993.299399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1993.299399][T12167]      netlink_rcv_skb+0x130/0x360
[ 1993.299399][T12167]      netlink_unicast+0x449/0x710
[ 1993.299399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 1993.299399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 1993.299399][T12167]      ___sys_sendmsg+0xee/0x170
[ 1993.299399][T12167]      __sys_sendmsg+0xcd/0x170
[ 1993.299399][T12167]      do_syscall_64+0xc6/0x1e0
[ 1993.299399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1993.299399][T12167] 
[ 2003.406753][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2003.407233][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2003.407233][T12167]      netdev_get_by_index+0x5e/0x80
[ 2003.407233][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2003.407233][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2003.407233][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2003.407233][T12167]      ipv6_add_addr+0x411/0x2000
[ 2003.407233][T12167]      inet6_addr_add+0x30e/0xa40
[ 2003.407233][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2003.407233][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2003.407233][T12167]      netlink_rcv_skb+0x130/0x360
[ 2003.407233][T12167]      netlink_unicast+0x449/0x710
[ 2003.407233][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2003.407233][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2003.407233][T12167]      ___sys_sendmsg+0xee/0x170
[ 2003.407233][T12167]      __sys_sendmsg+0xcd/0x170
[ 2003.407233][T12167]      do_syscall_64+0xc6/0x1e0
[ 2003.407233][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2003.407233][T12167] 
[ 2003.409513][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2003.409513][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2003.409513][T12167]      ipv6_find_idev+0x102/0x170
[ 2003.409513][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2003.409513][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2003.409513][T12167]      netlink_rcv_skb+0x130/0x360
[ 2003.409513][T12167]      netlink_unicast+0x449/0x710
[ 2003.409513][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2003.409513][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2003.409513][T12167]      ___sys_sendmsg+0xee/0x170
[ 2003.409513][T12167]      __sys_sendmsg+0xcd/0x170
[ 2003.409513][T12167]      do_syscall_64+0xc6/0x1e0
[ 2003.409513][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2003.409513][T12167] 
[ 2003.411249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2003.411249][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2003.411249][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2003.411249][T12167]      ipv6_find_idev+0x102/0x170
[ 2003.411249][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2003.411249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2003.411249][T12167]      netlink_rcv_skb+0x130/0x360
[ 2003.411249][T12167]      netlink_unicast+0x449/0x710
[ 2003.411249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2003.411249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2003.411249][T12167]      ___sys_sendmsg+0xee/0x170
[ 2003.411249][T12167]      __sys_sendmsg+0xcd/0x170
[ 2003.411249][T12167]      do_syscall_64+0xc6/0x1e0
[ 2003.411249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2003.411249][T12167] 
[ 2013.454802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2013.455280][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2013.455280][T12167]      netdev_get_by_index+0x5e/0x80
[ 2013.455280][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2013.455280][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2013.455280][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2013.455280][T12167]      ipv6_add_addr+0x411/0x2000
[ 2013.455280][T12167]      inet6_addr_add+0x30e/0xa40
[ 2013.455280][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2013.455280][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2013.455280][T12167]      netlink_rcv_skb+0x130/0x360
[ 2013.455280][T12167]      netlink_unicast+0x449/0x710
[ 2013.455280][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2013.455280][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2013.455280][T12167]      ___sys_sendmsg+0xee/0x170
[ 2013.455280][T12167]      __sys_sendmsg+0xcd/0x170
[ 2013.455280][T12167]      do_syscall_64+0xc6/0x1e0
[ 2013.455280][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2013.455280][T12167] 
[ 2013.457580][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2013.457580][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2013.457580][T12167]      ipv6_find_idev+0x102/0x170
[ 2013.457580][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2013.457580][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2013.457580][T12167]      netlink_rcv_skb+0x130/0x360
[ 2013.457580][T12167]      netlink_unicast+0x449/0x710
[ 2013.457580][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2013.457580][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2013.457580][T12167]      ___sys_sendmsg+0xee/0x170
[ 2013.457580][T12167]      __sys_sendmsg+0xcd/0x170
[ 2013.457580][T12167]      do_syscall_64+0xc6/0x1e0
[ 2013.457580][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2013.457580][T12167] 
[ 2013.459320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2013.459320][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2013.459320][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2013.459320][T12167]      ipv6_find_idev+0x102/0x170
[ 2013.459320][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2013.459320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2013.459320][T12167]      netlink_rcv_skb+0x130/0x360
[ 2013.459320][T12167]      netlink_unicast+0x449/0x710
[ 2013.459320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2013.459320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2013.459320][T12167]      ___sys_sendmsg+0xee/0x170
[ 2013.459320][T12167]      __sys_sendmsg+0xcd/0x170
[ 2013.459320][T12167]      do_syscall_64+0xc6/0x1e0
[ 2013.459320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2013.459320][T12167] 
[ 2023.550811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2023.551336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2023.551336][T12167]      netdev_get_by_index+0x5e/0x80
[ 2023.551336][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2023.551336][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2023.551336][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2023.551336][T12167]      ipv6_add_addr+0x411/0x2000
[ 2023.551336][T12167]      inet6_addr_add+0x30e/0xa40
[ 2023.551336][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2023.551336][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2023.551336][T12167]      netlink_rcv_skb+0x130/0x360
[ 2023.551336][T12167]      netlink_unicast+0x449/0x710
[ 2023.551336][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2023.551336][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2023.551336][T12167]      ___sys_sendmsg+0xee/0x170
[ 2023.551336][T12167]      __sys_sendmsg+0xcd/0x170
[ 2023.551336][T12167]      do_syscall_64+0xc6/0x1e0
[ 2023.551336][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2023.551336][T12167] 
[ 2023.553699][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2023.553699][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2023.553699][T12167]      ipv6_find_idev+0x102/0x170
[ 2023.553699][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2023.553699][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2023.553699][T12167]      netlink_rcv_skb+0x130/0x360
[ 2023.553699][T12167]      netlink_unicast+0x449/0x710
[ 2023.553699][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2023.553699][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2023.553699][T12167]      ___sys_sendmsg+0xee/0x170
[ 2023.553699][T12167]      __sys_sendmsg+0xcd/0x170
[ 2023.553699][T12167]      do_syscall_64+0xc6/0x1e0
[ 2023.553699][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2023.553699][T12167] 
[ 2023.555480][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2023.555480][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2023.555480][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2023.555480][T12167]      ipv6_find_idev+0x102/0x170
[ 2023.555480][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2023.555480][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2023.555480][T12167]      netlink_rcv_skb+0x130/0x360
[ 2023.555480][T12167]      netlink_unicast+0x449/0x710
[ 2023.555480][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2023.555480][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2023.555480][T12167]      ___sys_sendmsg+0xee/0x170
[ 2023.555480][T12167]      __sys_sendmsg+0xcd/0x170
[ 2023.555480][T12167]      do_syscall_64+0xc6/0x1e0
[ 2023.555480][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2023.555480][T12167] 
[ 2033.798797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2033.799287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2033.799287][T12167]      netdev_get_by_index+0x5e/0x80
[ 2033.799287][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2033.799287][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2033.799287][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2033.799287][T12167]      ipv6_add_addr+0x411/0x2000
[ 2033.799287][T12167]      inet6_addr_add+0x30e/0xa40
[ 2033.799287][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2033.799287][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2033.799287][T12167]      netlink_rcv_skb+0x130/0x360
[ 2033.799287][T12167]      netlink_unicast+0x449/0x710
[ 2033.799287][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2033.799287][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2033.799287][T12167]      ___sys_sendmsg+0xee/0x170
[ 2033.799287][T12167]      __sys_sendmsg+0xcd/0x170
[ 2033.799287][T12167]      do_syscall_64+0xc6/0x1e0
[ 2033.799287][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2033.799287][T12167] 
[ 2033.801711][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2033.801711][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2033.801711][T12167]      ipv6_find_idev+0x102/0x170
[ 2033.801711][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2033.801711][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2033.801711][T12167]      netlink_rcv_skb+0x130/0x360
[ 2033.801711][T12167]      netlink_unicast+0x449/0x710
[ 2033.801711][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2033.801711][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2033.801711][T12167]      ___sys_sendmsg+0xee/0x170
[ 2033.801711][T12167]      __sys_sendmsg+0xcd/0x170
[ 2033.801711][T12167]      do_syscall_64+0xc6/0x1e0
[ 2033.801711][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2033.801711][T12167] 
[ 2033.803476][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2033.803476][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2033.803476][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2033.803476][T12167]      ipv6_find_idev+0x102/0x170
[ 2033.803476][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2033.803476][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2033.803476][T12167]      netlink_rcv_skb+0x130/0x360
[ 2033.803476][T12167]      netlink_unicast+0x449/0x710
[ 2033.803476][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2033.803476][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2033.803476][T12167]      ___sys_sendmsg+0xee/0x170
[ 2033.803476][T12167]      __sys_sendmsg+0xcd/0x170
[ 2033.803476][T12167]      do_syscall_64+0xc6/0x1e0
[ 2033.803476][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2033.803476][T12167] 
[ 2044.046797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2044.047266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2044.047266][T12167]      netdev_get_by_index+0x5e/0x80
[ 2044.047266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2044.047266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2044.047266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2044.047266][T12167]      ipv6_add_addr+0x411/0x2000
[ 2044.047266][T12167]      inet6_addr_add+0x30e/0xa40
[ 2044.047266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2044.047266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2044.047266][T12167]      netlink_rcv_skb+0x130/0x360
[ 2044.047266][T12167]      netlink_unicast+0x449/0x710
[ 2044.047266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2044.047266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2044.047266][T12167]      ___sys_sendmsg+0xee/0x170
[ 2044.047266][T12167]      __sys_sendmsg+0xcd/0x170
[ 2044.047266][T12167]      do_syscall_64+0xc6/0x1e0
[ 2044.047266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2044.047266][T12167] 
[ 2044.049581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2044.049581][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2044.049581][T12167]      ipv6_find_idev+0x102/0x170
[ 2044.049581][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2044.049581][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2044.049581][T12167]      netlink_rcv_skb+0x130/0x360
[ 2044.049581][T12167]      netlink_unicast+0x449/0x710
[ 2044.049581][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2044.049581][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2044.049581][T12167]      ___sys_sendmsg+0xee/0x170
[ 2044.049581][T12167]      __sys_sendmsg+0xcd/0x170
[ 2044.049581][T12167]      do_syscall_64+0xc6/0x1e0
[ 2044.049581][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2044.049581][T12167] 
[ 2044.051340][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2044.051340][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2044.051340][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2044.051340][T12167]      ipv6_find_idev+0x102/0x170
[ 2044.051340][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2044.051340][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2044.051340][T12167]      netlink_rcv_skb+0x130/0x360
[ 2044.051340][T12167]      netlink_unicast+0x449/0x710
[ 2044.051340][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2044.051340][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2044.051340][T12167]      ___sys_sendmsg+0xee/0x170
[ 2044.051340][T12167]      __sys_sendmsg+0xcd/0x170
[ 2044.051340][T12167]      do_syscall_64+0xc6/0x1e0
[ 2044.051340][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2044.051340][T12167] 
[ 2054.262814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2054.263322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2054.263322][T12167]      netdev_get_by_index+0x5e/0x80
[ 2054.263322][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2054.263322][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2054.263322][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2054.263322][T12167]      ipv6_add_addr+0x411/0x2000
[ 2054.263322][T12167]      inet6_addr_add+0x30e/0xa40
[ 2054.263322][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2054.263322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2054.263322][T12167]      netlink_rcv_skb+0x130/0x360
[ 2054.263322][T12167]      netlink_unicast+0x449/0x710
[ 2054.263322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2054.263322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2054.263322][T12167]      ___sys_sendmsg+0xee/0x170
[ 2054.263322][T12167]      __sys_sendmsg+0xcd/0x170
[ 2054.263322][T12167]      do_syscall_64+0xc6/0x1e0
[ 2054.263322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2054.263322][T12167] 
[ 2054.265795][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2054.265795][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2054.265795][T12167]      ipv6_find_idev+0x102/0x170
[ 2054.265795][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2054.265795][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2054.265795][T12167]      netlink_rcv_skb+0x130/0x360
[ 2054.265795][T12167]      netlink_unicast+0x449/0x710
[ 2054.265795][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2054.265795][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2054.265795][T12167]      ___sys_sendmsg+0xee/0x170
[ 2054.265795][T12167]      __sys_sendmsg+0xcd/0x170
[ 2054.265795][T12167]      do_syscall_64+0xc6/0x1e0
[ 2054.265795][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2054.265795][T12167] 
[ 2054.267699][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2054.267699][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2054.267699][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2054.267699][T12167]      ipv6_find_idev+0x102/0x170
[ 2054.267699][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2054.267699][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2054.267699][T12167]      netlink_rcv_skb+0x130/0x360
[ 2054.267699][T12167]      netlink_unicast+0x449/0x710
[ 2054.267699][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2054.267699][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2054.267699][T12167]      ___sys_sendmsg+0xee/0x170
[ 2054.267699][T12167]      __sys_sendmsg+0xcd/0x170
[ 2054.267699][T12167]      do_syscall_64+0xc6/0x1e0
[ 2054.267699][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2054.267699][T12167] 
[ 2064.510834][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2064.511350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2064.511350][T12167]      netdev_get_by_index+0x5e/0x80
[ 2064.511350][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2064.511350][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2064.511350][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2064.511350][T12167]      ipv6_add_addr+0x411/0x2000
[ 2064.511350][T12167]      inet6_addr_add+0x30e/0xa40
[ 2064.511350][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2064.511350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2064.511350][T12167]      netlink_rcv_skb+0x130/0x360
[ 2064.511350][T12167]      netlink_unicast+0x449/0x710
[ 2064.511350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2064.511350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2064.511350][T12167]      ___sys_sendmsg+0xee/0x170
[ 2064.511350][T12167]      __sys_sendmsg+0xcd/0x170
[ 2064.511350][T12167]      do_syscall_64+0xc6/0x1e0
[ 2064.511350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2064.511350][T12167] 
[ 2064.513732][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2064.513732][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2064.513732][T12167]      ipv6_find_idev+0x102/0x170
[ 2064.513732][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2064.513732][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2064.513732][T12167]      netlink_rcv_skb+0x130/0x360
[ 2064.513732][T12167]      netlink_unicast+0x449/0x710
[ 2064.513732][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2064.513732][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2064.513732][T12167]      ___sys_sendmsg+0xee/0x170
[ 2064.513732][T12167]      __sys_sendmsg+0xcd/0x170
[ 2064.513732][T12167]      do_syscall_64+0xc6/0x1e0
[ 2064.513732][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2064.513732][T12167] 
[ 2064.515494][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2064.515494][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2064.515494][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2064.515494][T12167]      ipv6_find_idev+0x102/0x170
[ 2064.515494][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2064.515494][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2064.515494][T12167]      netlink_rcv_skb+0x130/0x360
[ 2064.515494][T12167]      netlink_unicast+0x449/0x710
[ 2064.515494][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2064.515494][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2064.515494][T12167]      ___sys_sendmsg+0xee/0x170
[ 2064.515494][T12167]      __sys_sendmsg+0xcd/0x170
[ 2064.515494][T12167]      do_syscall_64+0xc6/0x1e0
[ 2064.515494][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2064.515494][T12167] 
[ 2074.582800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2074.583369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2074.583369][T12167]      netdev_get_by_index+0x5e/0x80
[ 2074.583369][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2074.583369][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2074.583369][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2074.583369][T12167]      ipv6_add_addr+0x411/0x2000
[ 2074.583369][T12167]      inet6_addr_add+0x30e/0xa40
[ 2074.583369][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2074.583369][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2074.583369][T12167]      netlink_rcv_skb+0x130/0x360
[ 2074.583369][T12167]      netlink_unicast+0x449/0x710
[ 2074.583369][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2074.583369][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2074.583369][T12167]      ___sys_sendmsg+0xee/0x170
[ 2074.583369][T12167]      __sys_sendmsg+0xcd/0x170
[ 2074.583369][T12167]      do_syscall_64+0xc6/0x1e0
[ 2074.583369][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2074.583369][T12167] 
[ 2074.585737][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2074.585737][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2074.585737][T12167]      ipv6_find_idev+0x102/0x170
[ 2074.585737][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2074.585737][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2074.585737][T12167]      netlink_rcv_skb+0x130/0x360
[ 2074.585737][T12167]      netlink_unicast+0x449/0x710
[ 2074.585737][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2074.585737][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2074.585737][T12167]      ___sys_sendmsg+0xee/0x170
[ 2074.585737][T12167]      __sys_sendmsg+0xcd/0x170
[ 2074.585737][T12167]      do_syscall_64+0xc6/0x1e0
[ 2074.585737][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2074.585737][T12167] 
[ 2074.587567][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2074.587567][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2074.587567][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2074.587567][T12167]      ipv6_find_idev+0x102/0x170
[ 2074.587567][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2074.587567][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2074.587567][T12167]      netlink_rcv_skb+0x130/0x360
[ 2074.587567][T12167]      netlink_unicast+0x449/0x710
[ 2074.587567][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2074.587567][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2074.587567][T12167]      ___sys_sendmsg+0xee/0x170
[ 2074.587567][T12167]      __sys_sendmsg+0xcd/0x170
[ 2074.587567][T12167]      do_syscall_64+0xc6/0x1e0
[ 2074.587567][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2074.587567][T12167] 
[ 2084.830848][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2084.831323][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2084.831323][T12167]      netdev_get_by_index+0x5e/0x80
[ 2084.831323][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2084.831323][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2084.831323][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2084.831323][T12167]      ipv6_add_addr+0x411/0x2000
[ 2084.831323][T12167]      inet6_addr_add+0x30e/0xa40
[ 2084.831323][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2084.831323][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2084.831323][T12167]      netlink_rcv_skb+0x130/0x360
[ 2084.831323][T12167]      netlink_unicast+0x449/0x710
[ 2084.831323][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2084.831323][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2084.831323][T12167]      ___sys_sendmsg+0xee/0x170
[ 2084.831323][T12167]      __sys_sendmsg+0xcd/0x170
[ 2084.831323][T12167]      do_syscall_64+0xc6/0x1e0
[ 2084.831323][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2084.831323][T12167] 
[ 2084.833771][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2084.833771][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2084.833771][T12167]      ipv6_find_idev+0x102/0x170
[ 2084.833771][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2084.833771][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2084.833771][T12167]      netlink_rcv_skb+0x130/0x360
[ 2084.833771][T12167]      netlink_unicast+0x449/0x710
[ 2084.833771][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2084.833771][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2084.833771][T12167]      ___sys_sendmsg+0xee/0x170
[ 2084.833771][T12167]      __sys_sendmsg+0xcd/0x170
[ 2084.833771][T12167]      do_syscall_64+0xc6/0x1e0
[ 2084.833771][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2084.833771][T12167] 
[ 2084.835541][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2084.835541][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2084.835541][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2084.835541][T12167]      ipv6_find_idev+0x102/0x170
[ 2084.835541][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2084.835541][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2084.835541][T12167]      netlink_rcv_skb+0x130/0x360
[ 2084.835541][T12167]      netlink_unicast+0x449/0x710
[ 2084.835541][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2084.835541][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2084.835541][T12167]      ___sys_sendmsg+0xee/0x170
[ 2084.835541][T12167]      __sys_sendmsg+0xcd/0x170
[ 2084.835541][T12167]      do_syscall_64+0xc6/0x1e0
[ 2084.835541][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2084.835541][T12167] 
[ 2094.998806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2094.999293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2094.999293][T12167]      netdev_get_by_index+0x5e/0x80
[ 2094.999293][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2094.999293][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2094.999293][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2094.999293][T12167]      ipv6_add_addr+0x411/0x2000
[ 2094.999293][T12167]      inet6_addr_add+0x30e/0xa40
[ 2094.999293][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2094.999293][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2094.999293][T12167]      netlink_rcv_skb+0x130/0x360
[ 2094.999293][T12167]      netlink_unicast+0x449/0x710
[ 2094.999293][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2094.999293][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2094.999293][T12167]      ___sys_sendmsg+0xee/0x170
[ 2094.999293][T12167]      __sys_sendmsg+0xcd/0x170
[ 2094.999293][T12167]      do_syscall_64+0xc6/0x1e0
[ 2094.999293][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2094.999293][T12167] 
[ 2095.001821][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2095.001821][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2095.001821][T12167]      ipv6_find_idev+0x102/0x170
[ 2095.001821][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2095.001821][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2095.001821][T12167]      netlink_rcv_skb+0x130/0x360
[ 2095.001821][T12167]      netlink_unicast+0x449/0x710
[ 2095.001821][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2095.001821][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2095.001821][T12167]      ___sys_sendmsg+0xee/0x170
[ 2095.001821][T12167]      __sys_sendmsg+0xcd/0x170
[ 2095.001821][T12167]      do_syscall_64+0xc6/0x1e0
[ 2095.001821][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2095.001821][T12167] 
[ 2095.003743][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2095.003743][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2095.003743][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2095.003743][T12167]      ipv6_find_idev+0x102/0x170
[ 2095.003743][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2095.003743][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2095.003743][T12167]      netlink_rcv_skb+0x130/0x360
[ 2095.003743][T12167]      netlink_unicast+0x449/0x710
[ 2095.003743][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2095.003743][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2095.003743][T12167]      ___sys_sendmsg+0xee/0x170
[ 2095.003743][T12167]      __sys_sendmsg+0xcd/0x170
[ 2095.003743][T12167]      do_syscall_64+0xc6/0x1e0
[ 2095.003743][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2095.003743][T12167] 
[ 2105.246817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2105.247282][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2105.247282][T12167]      netdev_get_by_index+0x5e/0x80
[ 2105.247282][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2105.247282][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2105.247282][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2105.247282][T12167]      ipv6_add_addr+0x411/0x2000
[ 2105.247282][T12167]      inet6_addr_add+0x30e/0xa40
[ 2105.247282][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2105.247282][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2105.247282][T12167]      netlink_rcv_skb+0x130/0x360
[ 2105.247282][T12167]      netlink_unicast+0x449/0x710
[ 2105.247282][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2105.247282][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2105.247282][T12167]      ___sys_sendmsg+0xee/0x170
[ 2105.247282][T12167]      __sys_sendmsg+0xcd/0x170
[ 2105.247282][T12167]      do_syscall_64+0xc6/0x1e0
[ 2105.247282][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2105.247282][T12167] 
[ 2105.249671][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2105.249671][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2105.249671][T12167]      ipv6_find_idev+0x102/0x170
[ 2105.249671][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2105.249671][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2105.249671][T12167]      netlink_rcv_skb+0x130/0x360
[ 2105.249671][T12167]      netlink_unicast+0x449/0x710
[ 2105.249671][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2105.249671][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2105.249671][T12167]      ___sys_sendmsg+0xee/0x170
[ 2105.249671][T12167]      __sys_sendmsg+0xcd/0x170
[ 2105.249671][T12167]      do_syscall_64+0xc6/0x1e0
[ 2105.249671][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2105.249671][T12167] 
[ 2105.251496][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2105.251496][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2105.251496][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2105.251496][T12167]      ipv6_find_idev+0x102/0x170
[ 2105.251496][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2105.251496][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2105.251496][T12167]      netlink_rcv_skb+0x130/0x360
[ 2105.251496][T12167]      netlink_unicast+0x449/0x710
[ 2105.251496][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2105.251496][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2105.251496][T12167]      ___sys_sendmsg+0xee/0x170
[ 2105.251496][T12167]      __sys_sendmsg+0xcd/0x170
[ 2105.251496][T12167]      do_syscall_64+0xc6/0x1e0
[ 2105.251496][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2105.251496][T12167] 
[ 2115.358805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2115.359339][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2115.359339][T12167]      netdev_get_by_index+0x5e/0x80
[ 2115.359339][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2115.359339][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2115.359339][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2115.359339][T12167]      ipv6_add_addr+0x411/0x2000
[ 2115.359339][T12167]      inet6_addr_add+0x30e/0xa40
[ 2115.359339][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2115.359339][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2115.359339][T12167]      netlink_rcv_skb+0x130/0x360
[ 2115.359339][T12167]      netlink_unicast+0x449/0x710
[ 2115.359339][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2115.359339][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2115.359339][T12167]      ___sys_sendmsg+0xee/0x170
[ 2115.359339][T12167]      __sys_sendmsg+0xcd/0x170
[ 2115.359339][T12167]      do_syscall_64+0xc6/0x1e0
[ 2115.359339][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2115.359339][T12167] 
[ 2115.361688][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2115.361688][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2115.361688][T12167]      ipv6_find_idev+0x102/0x170
[ 2115.361688][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2115.361688][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2115.361688][T12167]      netlink_rcv_skb+0x130/0x360
[ 2115.361688][T12167]      netlink_unicast+0x449/0x710
[ 2115.361688][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2115.361688][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2115.361688][T12167]      ___sys_sendmsg+0xee/0x170
[ 2115.361688][T12167]      __sys_sendmsg+0xcd/0x170
[ 2115.361688][T12167]      do_syscall_64+0xc6/0x1e0
[ 2115.361688][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2115.361688][T12167] 
[ 2115.363451][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2115.363451][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2115.363451][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2115.363451][T12167]      ipv6_find_idev+0x102/0x170
[ 2115.363451][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2115.363451][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2115.363451][T12167]      netlink_rcv_skb+0x130/0x360
[ 2115.363451][T12167]      netlink_unicast+0x449/0x710
[ 2115.363451][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2115.363451][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2115.363451][T12167]      ___sys_sendmsg+0xee/0x170
[ 2115.363451][T12167]      __sys_sendmsg+0xcd/0x170
[ 2115.363451][T12167]      do_syscall_64+0xc6/0x1e0
[ 2115.363451][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2115.363451][T12167] 
[ 2125.462891][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2125.463377][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2125.463377][T12167]      netdev_get_by_index+0x5e/0x80
[ 2125.463377][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2125.463377][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2125.463377][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2125.463377][T12167]      ipv6_add_addr+0x411/0x2000
[ 2125.463377][T12167]      inet6_addr_add+0x30e/0xa40
[ 2125.463377][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2125.463377][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2125.463377][T12167]      netlink_rcv_skb+0x130/0x360
[ 2125.463377][T12167]      netlink_unicast+0x449/0x710
[ 2125.463377][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2125.463377][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2125.463377][T12167]      ___sys_sendmsg+0xee/0x170
[ 2125.463377][T12167]      __sys_sendmsg+0xcd/0x170
[ 2125.463377][T12167]      do_syscall_64+0xc6/0x1e0
[ 2125.463377][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2125.463377][T12167] 
[ 2125.465900][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2125.465900][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2125.465900][T12167]      ipv6_find_idev+0x102/0x170
[ 2125.465900][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2125.465900][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2125.465900][T12167]      netlink_rcv_skb+0x130/0x360
[ 2125.465900][T12167]      netlink_unicast+0x449/0x710
[ 2125.465900][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2125.465900][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2125.465900][T12167]      ___sys_sendmsg+0xee/0x170
[ 2125.465900][T12167]      __sys_sendmsg+0xcd/0x170
[ 2125.465900][T12167]      do_syscall_64+0xc6/0x1e0
[ 2125.465900][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2125.465900][T12167] 
[ 2125.467793][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2125.467793][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2125.467793][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2125.467793][T12167]      ipv6_find_idev+0x102/0x170
[ 2125.467793][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2125.467793][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2125.467793][T12167]      netlink_rcv_skb+0x130/0x360
[ 2125.467793][T12167]      netlink_unicast+0x449/0x710
[ 2125.467793][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2125.467793][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2125.467793][T12167]      ___sys_sendmsg+0xee/0x170
[ 2125.467793][T12167]      __sys_sendmsg+0xcd/0x170
[ 2125.467793][T12167]      do_syscall_64+0xc6/0x1e0
[ 2125.467793][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2125.467793][T12167] 
[ 2135.574776][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2135.575458][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2135.575458][T12167]      netdev_get_by_index+0x5e/0x80
[ 2135.575458][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2135.575458][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2135.575458][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2135.575458][T12167]      ipv6_add_addr+0x411/0x2000
[ 2135.575458][T12167]      inet6_addr_add+0x30e/0xa40
[ 2135.575458][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2135.575458][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2135.575458][T12167]      netlink_rcv_skb+0x130/0x360
[ 2135.575458][T12167]      netlink_unicast+0x449/0x710
[ 2135.575458][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2135.575458][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2135.575458][T12167]      ___sys_sendmsg+0xee/0x170
[ 2135.575458][T12167]      __sys_sendmsg+0xcd/0x170
[ 2135.575458][T12167]      do_syscall_64+0xc6/0x1e0
[ 2135.575458][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2135.575458][T12167] 
[ 2135.578974][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2135.578974][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2135.578974][T12167]      ipv6_find_idev+0x102/0x170
[ 2135.578974][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2135.578974][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2135.578974][T12167]      netlink_rcv_skb+0x130/0x360
[ 2135.578974][T12167]      netlink_unicast+0x449/0x710
[ 2135.578974][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2135.578974][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2135.578974][T12167]      ___sys_sendmsg+0xee/0x170
[ 2135.578974][T12167]      __sys_sendmsg+0xcd/0x170
[ 2135.578974][T12167]      do_syscall_64+0xc6/0x1e0
[ 2135.578974][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2135.578974][T12167] 
[ 2135.581652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2135.581652][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2135.581652][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2135.581652][T12167]      ipv6_find_idev+0x102/0x170
[ 2135.581652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2135.581652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2135.581652][T12167]      netlink_rcv_skb+0x130/0x360
[ 2135.581652][T12167]      netlink_unicast+0x449/0x710
[ 2135.581652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2135.581652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2135.581652][T12167]      ___sys_sendmsg+0xee/0x170
[ 2135.581652][T12167]      __sys_sendmsg+0xcd/0x170
[ 2135.581652][T12167]      do_syscall_64+0xc6/0x1e0
[ 2135.581652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2135.581652][T12167] 
[ 2145.622957][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2145.623452][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2145.623452][T12167]      netdev_get_by_index+0x5e/0x80
[ 2145.623452][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2145.623452][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2145.623452][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2145.623452][T12167]      ipv6_add_addr+0x411/0x2000
[ 2145.623452][T12167]      inet6_addr_add+0x30e/0xa40
[ 2145.623452][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2145.623452][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2145.623452][T12167]      netlink_rcv_skb+0x130/0x360
[ 2145.623452][T12167]      netlink_unicast+0x449/0x710
[ 2145.623452][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2145.623452][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2145.623452][T12167]      ___sys_sendmsg+0xee/0x170
[ 2145.623452][T12167]      __sys_sendmsg+0xcd/0x170
[ 2145.623452][T12167]      do_syscall_64+0xc6/0x1e0
[ 2145.623452][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2145.623452][T12167] 
[ 2145.625758][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2145.625758][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2145.625758][T12167]      ipv6_find_idev+0x102/0x170
[ 2145.625758][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2145.625758][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2145.625758][T12167]      netlink_rcv_skb+0x130/0x360
[ 2145.625758][T12167]      netlink_unicast+0x449/0x710
[ 2145.625758][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2145.625758][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2145.625758][T12167]      ___sys_sendmsg+0xee/0x170
[ 2145.625758][T12167]      __sys_sendmsg+0xcd/0x170
[ 2145.625758][T12167]      do_syscall_64+0xc6/0x1e0
[ 2145.625758][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2145.625758][T12167] 
[ 2145.627500][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2145.627500][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2145.627500][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2145.627500][T12167]      ipv6_find_idev+0x102/0x170
[ 2145.627500][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2145.627500][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2145.627500][T12167]      netlink_rcv_skb+0x130/0x360
[ 2145.627500][T12167]      netlink_unicast+0x449/0x710
[ 2145.627500][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2145.627500][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2145.627500][T12167]      ___sys_sendmsg+0xee/0x170
[ 2145.627500][T12167]      __sys_sendmsg+0xcd/0x170
[ 2145.627500][T12167]      do_syscall_64+0xc6/0x1e0
[ 2145.627500][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2145.627500][T12167] 
[ 2155.702902][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2155.703382][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2155.703382][T12167]      netdev_get_by_index+0x5e/0x80
[ 2155.703382][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2155.703382][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2155.703382][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2155.703382][T12167]      ipv6_add_addr+0x411/0x2000
[ 2155.703382][T12167]      inet6_addr_add+0x30e/0xa40
[ 2155.703382][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2155.703382][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2155.703382][T12167]      netlink_rcv_skb+0x130/0x360
[ 2155.703382][T12167]      netlink_unicast+0x449/0x710
[ 2155.703382][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2155.703382][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2155.703382][T12167]      ___sys_sendmsg+0xee/0x170
[ 2155.703382][T12167]      __sys_sendmsg+0xcd/0x170
[ 2155.703382][T12167]      do_syscall_64+0xc6/0x1e0
[ 2155.703382][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2155.703382][T12167] 
[ 2155.705674][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2155.705674][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2155.705674][T12167]      ipv6_find_idev+0x102/0x170
[ 2155.705674][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2155.705674][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2155.705674][T12167]      netlink_rcv_skb+0x130/0x360
[ 2155.705674][T12167]      netlink_unicast+0x449/0x710
[ 2155.705674][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2155.705674][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2155.705674][T12167]      ___sys_sendmsg+0xee/0x170
[ 2155.705674][T12167]      __sys_sendmsg+0xcd/0x170
[ 2155.705674][T12167]      do_syscall_64+0xc6/0x1e0
[ 2155.705674][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2155.705674][T12167] 
[ 2155.707503][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2155.707503][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2155.707503][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2155.707503][T12167]      ipv6_find_idev+0x102/0x170
[ 2155.707503][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2155.707503][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2155.707503][T12167]      netlink_rcv_skb+0x130/0x360
[ 2155.707503][T12167]      netlink_unicast+0x449/0x710
[ 2155.707503][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2155.707503][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2155.707503][T12167]      ___sys_sendmsg+0xee/0x170
[ 2155.707503][T12167]      __sys_sendmsg+0xcd/0x170
[ 2155.707503][T12167]      do_syscall_64+0xc6/0x1e0
[ 2155.707503][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2155.707503][T12167] 
[ 2165.814769][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2165.815275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2165.815275][T12167]      netdev_get_by_index+0x5e/0x80
[ 2165.815275][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2165.815275][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2165.815275][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2165.815275][T12167]      ipv6_add_addr+0x411/0x2000
[ 2165.815275][T12167]      inet6_addr_add+0x30e/0xa40
[ 2165.815275][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2165.815275][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2165.815275][T12167]      netlink_rcv_skb+0x130/0x360
[ 2165.815275][T12167]      netlink_unicast+0x449/0x710
[ 2165.815275][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2165.815275][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2165.815275][T12167]      ___sys_sendmsg+0xee/0x170
[ 2165.815275][T12167]      __sys_sendmsg+0xcd/0x170
[ 2165.815275][T12167]      do_syscall_64+0xc6/0x1e0
[ 2165.815275][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2165.815275][T12167] 
[ 2165.817760][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2165.817760][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2165.817760][T12167]      ipv6_find_idev+0x102/0x170
[ 2165.817760][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2165.817760][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2165.817760][T12167]      netlink_rcv_skb+0x130/0x360
[ 2165.817760][T12167]      netlink_unicast+0x449/0x710
[ 2165.817760][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2165.817760][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2165.817760][T12167]      ___sys_sendmsg+0xee/0x170
[ 2165.817760][T12167]      __sys_sendmsg+0xcd/0x170
[ 2165.817760][T12167]      do_syscall_64+0xc6/0x1e0
[ 2165.817760][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2165.817760][T12167] 
[ 2165.819670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2165.819670][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2165.819670][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2165.819670][T12167]      ipv6_find_idev+0x102/0x170
[ 2165.819670][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2165.819670][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2165.819670][T12167]      netlink_rcv_skb+0x130/0x360
[ 2165.819670][T12167]      netlink_unicast+0x449/0x710
[ 2165.819670][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2165.819670][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2165.819670][T12167]      ___sys_sendmsg+0xee/0x170
[ 2165.819670][T12167]      __sys_sendmsg+0xcd/0x170
[ 2165.819670][T12167]      do_syscall_64+0xc6/0x1e0
[ 2165.819670][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2165.819670][T12167] 
[ 2175.926763][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2175.927229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2175.927229][T12167]      netdev_get_by_index+0x5e/0x80
[ 2175.927229][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2175.927229][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2175.927229][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2175.927229][T12167]      ipv6_add_addr+0x411/0x2000
[ 2175.927229][T12167]      inet6_addr_add+0x30e/0xa40
[ 2175.927229][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2175.927229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2175.927229][T12167]      netlink_rcv_skb+0x130/0x360
[ 2175.927229][T12167]      netlink_unicast+0x449/0x710
[ 2175.927229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2175.927229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2175.927229][T12167]      ___sys_sendmsg+0xee/0x170
[ 2175.927229][T12167]      __sys_sendmsg+0xcd/0x170
[ 2175.927229][T12167]      do_syscall_64+0xc6/0x1e0
[ 2175.927229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2175.927229][T12167] 
[ 2175.929519][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2175.929519][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2175.929519][T12167]      ipv6_find_idev+0x102/0x170
[ 2175.929519][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2175.929519][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2175.929519][T12167]      netlink_rcv_skb+0x130/0x360
[ 2175.929519][T12167]      netlink_unicast+0x449/0x710
[ 2175.929519][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2175.929519][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2175.929519][T12167]      ___sys_sendmsg+0xee/0x170
[ 2175.929519][T12167]      __sys_sendmsg+0xcd/0x170
[ 2175.929519][T12167]      do_syscall_64+0xc6/0x1e0
[ 2175.929519][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2175.929519][T12167] 
[ 2175.931272][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2175.931272][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2175.931272][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2175.931272][T12167]      ipv6_find_idev+0x102/0x170
[ 2175.931272][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2175.931272][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2175.931272][T12167]      netlink_rcv_skb+0x130/0x360
[ 2175.931272][T12167]      netlink_unicast+0x449/0x710
[ 2175.931272][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2175.931272][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2175.931272][T12167]      ___sys_sendmsg+0xee/0x170
[ 2175.931272][T12167]      __sys_sendmsg+0xcd/0x170
[ 2175.931272][T12167]      do_syscall_64+0xc6/0x1e0
[ 2175.931272][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2175.931272][T12167] 
[ 2186.174791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2186.175297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2186.175297][T12167]      netdev_get_by_index+0x5e/0x80
[ 2186.175297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2186.175297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2186.175297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2186.175297][T12167]      ipv6_add_addr+0x411/0x2000
[ 2186.175297][T12167]      inet6_addr_add+0x30e/0xa40
[ 2186.175297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2186.175297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2186.175297][T12167]      netlink_rcv_skb+0x130/0x360
[ 2186.175297][T12167]      netlink_unicast+0x449/0x710
[ 2186.175297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2186.175297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2186.175297][T12167]      ___sys_sendmsg+0xee/0x170
[ 2186.175297][T12167]      __sys_sendmsg+0xcd/0x170
[ 2186.175297][T12167]      do_syscall_64+0xc6/0x1e0
[ 2186.175297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2186.175297][T12167] 
[ 2186.177740][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2186.177740][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2186.177740][T12167]      ipv6_find_idev+0x102/0x170
[ 2186.177740][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2186.177740][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2186.177740][T12167]      netlink_rcv_skb+0x130/0x360
[ 2186.177740][T12167]      netlink_unicast+0x449/0x710
[ 2186.177740][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2186.177740][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2186.177740][T12167]      ___sys_sendmsg+0xee/0x170
[ 2186.177740][T12167]      __sys_sendmsg+0xcd/0x170
[ 2186.177740][T12167]      do_syscall_64+0xc6/0x1e0
[ 2186.177740][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2186.177740][T12167] 
[ 2186.179633][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2186.179633][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2186.179633][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2186.179633][T12167]      ipv6_find_idev+0x102/0x170
[ 2186.179633][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2186.179633][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2186.179633][T12167]      netlink_rcv_skb+0x130/0x360
[ 2186.179633][T12167]      netlink_unicast+0x449/0x710
[ 2186.179633][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2186.179633][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2186.179633][T12167]      ___sys_sendmsg+0xee/0x170
[ 2186.179633][T12167]      __sys_sendmsg+0xcd/0x170
[ 2186.179633][T12167]      do_syscall_64+0xc6/0x1e0
[ 2186.179633][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2186.179633][T12167] 
[ 2196.318809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2196.319356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2196.319356][T12167]      netdev_get_by_index+0x5e/0x80
[ 2196.319356][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2196.319356][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2196.319356][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2196.319356][T12167]      ipv6_add_addr+0x411/0x2000
[ 2196.319356][T12167]      inet6_addr_add+0x30e/0xa40
[ 2196.319356][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2196.319356][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2196.319356][T12167]      netlink_rcv_skb+0x130/0x360
[ 2196.319356][T12167]      netlink_unicast+0x449/0x710
[ 2196.319356][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2196.319356][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2196.319356][T12167]      ___sys_sendmsg+0xee/0x170
[ 2196.319356][T12167]      __sys_sendmsg+0xcd/0x170
[ 2196.319356][T12167]      do_syscall_64+0xc6/0x1e0
[ 2196.319356][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2196.319356][T12167] 
[ 2196.321846][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2196.321846][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2196.321846][T12167]      ipv6_find_idev+0x102/0x170
[ 2196.321846][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2196.321846][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2196.321846][T12167]      netlink_rcv_skb+0x130/0x360
[ 2196.321846][T12167]      netlink_unicast+0x449/0x710
[ 2196.321846][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2196.321846][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2196.321846][T12167]      ___sys_sendmsg+0xee/0x170
[ 2196.321846][T12167]      __sys_sendmsg+0xcd/0x170
[ 2196.321846][T12167]      do_syscall_64+0xc6/0x1e0
[ 2196.321846][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2196.321846][T12167] 
[ 2196.323748][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2196.323748][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2196.323748][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2196.323748][T12167]      ipv6_find_idev+0x102/0x170
[ 2196.323748][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2196.323748][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2196.323748][T12167]      netlink_rcv_skb+0x130/0x360
[ 2196.323748][T12167]      netlink_unicast+0x449/0x710
[ 2196.323748][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2196.323748][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2196.323748][T12167]      ___sys_sendmsg+0xee/0x170
[ 2196.323748][T12167]      __sys_sendmsg+0xcd/0x170
[ 2196.323748][T12167]      do_syscall_64+0xc6/0x1e0
[ 2196.323748][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2196.323748][T12167] 
[ 2206.366774][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2206.367245][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2206.367245][T12167]      netdev_get_by_index+0x5e/0x80
[ 2206.367245][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2206.367245][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2206.367245][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2206.367245][T12167]      ipv6_add_addr+0x411/0x2000
[ 2206.367245][T12167]      inet6_addr_add+0x30e/0xa40
[ 2206.367245][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2206.367245][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2206.367245][T12167]      netlink_rcv_skb+0x130/0x360
[ 2206.367245][T12167]      netlink_unicast+0x449/0x710
[ 2206.367245][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2206.367245][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2206.367245][T12167]      ___sys_sendmsg+0xee/0x170
[ 2206.367245][T12167]      __sys_sendmsg+0xcd/0x170
[ 2206.367245][T12167]      do_syscall_64+0xc6/0x1e0
[ 2206.367245][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2206.367245][T12167] 
[ 2206.369568][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2206.369568][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2206.369568][T12167]      ipv6_find_idev+0x102/0x170
[ 2206.369568][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2206.369568][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2206.369568][T12167]      netlink_rcv_skb+0x130/0x360
[ 2206.369568][T12167]      netlink_unicast+0x449/0x710
[ 2206.369568][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2206.369568][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2206.369568][T12167]      ___sys_sendmsg+0xee/0x170
[ 2206.369568][T12167]      __sys_sendmsg+0xcd/0x170
[ 2206.369568][T12167]      do_syscall_64+0xc6/0x1e0
[ 2206.369568][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2206.369568][T12167] 
[ 2206.371313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2206.371313][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2206.371313][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2206.371313][T12167]      ipv6_find_idev+0x102/0x170
[ 2206.371313][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2206.371313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2206.371313][T12167]      netlink_rcv_skb+0x130/0x360
[ 2206.371313][T12167]      netlink_unicast+0x449/0x710
[ 2206.371313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2206.371313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2206.371313][T12167]      ___sys_sendmsg+0xee/0x170
[ 2206.371313][T12167]      __sys_sendmsg+0xcd/0x170
[ 2206.371313][T12167]      do_syscall_64+0xc6/0x1e0
[ 2206.371313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2206.371313][T12167] 
[ 2216.478846][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2216.479316][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2216.479316][T12167]      netdev_get_by_index+0x5e/0x80
[ 2216.479316][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2216.479316][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2216.479316][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2216.479316][T12167]      ipv6_add_addr+0x411/0x2000
[ 2216.479316][T12167]      inet6_addr_add+0x30e/0xa40
[ 2216.479316][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2216.479316][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2216.479316][T12167]      netlink_rcv_skb+0x130/0x360
[ 2216.479316][T12167]      netlink_unicast+0x449/0x710
[ 2216.479316][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2216.479316][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2216.479316][T12167]      ___sys_sendmsg+0xee/0x170
[ 2216.479316][T12167]      __sys_sendmsg+0xcd/0x170
[ 2216.479316][T12167]      do_syscall_64+0xc6/0x1e0
[ 2216.479316][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2216.479316][T12167] 
[ 2216.481787][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2216.481787][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2216.481787][T12167]      ipv6_find_idev+0x102/0x170
[ 2216.481787][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2216.481787][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2216.481787][T12167]      netlink_rcv_skb+0x130/0x360
[ 2216.481787][T12167]      netlink_unicast+0x449/0x710
[ 2216.481787][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2216.481787][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2216.481787][T12167]      ___sys_sendmsg+0xee/0x170
[ 2216.481787][T12167]      __sys_sendmsg+0xcd/0x170
[ 2216.481787][T12167]      do_syscall_64+0xc6/0x1e0
[ 2216.481787][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2216.481787][T12167] 
[ 2216.483657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2216.483657][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2216.483657][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2216.483657][T12167]      ipv6_find_idev+0x102/0x170
[ 2216.483657][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2216.483657][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2216.483657][T12167]      netlink_rcv_skb+0x130/0x360
[ 2216.483657][T12167]      netlink_unicast+0x449/0x710
[ 2216.483657][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2216.483657][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2216.483657][T12167]      ___sys_sendmsg+0xee/0x170
[ 2216.483657][T12167]      __sys_sendmsg+0xcd/0x170
[ 2216.483657][T12167]      do_syscall_64+0xc6/0x1e0
[ 2216.483657][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2216.483657][T12167] 
[ 2226.526841][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2226.527273][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2226.527273][T12167]      netdev_get_by_index+0x5e/0x80
[ 2226.527273][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2226.527273][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2226.527273][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2226.527273][T12167]      ipv6_add_addr+0x411/0x2000
[ 2226.527273][T12167]      inet6_addr_add+0x30e/0xa40
[ 2226.527273][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2226.527273][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2226.527273][T12167]      netlink_rcv_skb+0x130/0x360
[ 2226.527273][T12167]      netlink_unicast+0x449/0x710
[ 2226.527273][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2226.527273][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2226.527273][T12167]      ___sys_sendmsg+0xee/0x170
[ 2226.527273][T12167]      __sys_sendmsg+0xcd/0x170
[ 2226.527273][T12167]      do_syscall_64+0xc6/0x1e0
[ 2226.527273][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2226.527273][T12167] 
[ 2226.529577][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2226.529577][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2226.529577][T12167]      ipv6_find_idev+0x102/0x170
[ 2226.529577][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2226.529577][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2226.529577][T12167]      netlink_rcv_skb+0x130/0x360
[ 2226.529577][T12167]      netlink_unicast+0x449/0x710
[ 2226.529577][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2226.529577][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2226.529577][T12167]      ___sys_sendmsg+0xee/0x170
[ 2226.529577][T12167]      __sys_sendmsg+0xcd/0x170
[ 2226.529577][T12167]      do_syscall_64+0xc6/0x1e0
[ 2226.529577][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2226.529577][T12167] 
[ 2226.531315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2226.531315][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2226.531315][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2226.531315][T12167]      ipv6_find_idev+0x102/0x170
[ 2226.531315][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2226.531315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2226.531315][T12167]      netlink_rcv_skb+0x130/0x360
[ 2226.531315][T12167]      netlink_unicast+0x449/0x710
[ 2226.531315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2226.531315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2226.531315][T12167]      ___sys_sendmsg+0xee/0x170
[ 2226.531315][T12167]      __sys_sendmsg+0xcd/0x170
[ 2226.531315][T12167]      do_syscall_64+0xc6/0x1e0
[ 2226.531315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2226.531315][T12167] 
[ 2236.774854][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2236.775326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2236.775326][T12167]      netdev_get_by_index+0x5e/0x80
[ 2236.775326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2236.775326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2236.775326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2236.775326][T12167]      ipv6_add_addr+0x411/0x2000
[ 2236.775326][T12167]      inet6_addr_add+0x30e/0xa40
[ 2236.775326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2236.775326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.775326][T12167]      netlink_rcv_skb+0x130/0x360
[ 2236.775326][T12167]      netlink_unicast+0x449/0x710
[ 2236.775326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2236.775326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.775326][T12167]      ___sys_sendmsg+0xee/0x170
[ 2236.775326][T12167]      __sys_sendmsg+0xcd/0x170
[ 2236.775326][T12167]      do_syscall_64+0xc6/0x1e0
[ 2236.775326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.775326][T12167] 
[ 2236.777685][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2236.777685][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2236.777685][T12167]      ipv6_find_idev+0x102/0x170
[ 2236.777685][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2236.777685][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.777685][T12167]      netlink_rcv_skb+0x130/0x360
[ 2236.777685][T12167]      netlink_unicast+0x449/0x710
[ 2236.777685][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2236.777685][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.777685][T12167]      ___sys_sendmsg+0xee/0x170
[ 2236.777685][T12167]      __sys_sendmsg+0xcd/0x170
[ 2236.777685][T12167]      do_syscall_64+0xc6/0x1e0
[ 2236.777685][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.777685][T12167] 
[ 2236.779433][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2236.779433][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2236.779433][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2236.779433][T12167]      ipv6_find_idev+0x102/0x170
[ 2236.779433][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2236.779433][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2236.779433][T12167]      netlink_rcv_skb+0x130/0x360
[ 2236.779433][T12167]      netlink_unicast+0x449/0x710
[ 2236.779433][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2236.779433][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2236.779433][T12167]      ___sys_sendmsg+0xee/0x170
[ 2236.779433][T12167]      __sys_sendmsg+0xcd/0x170
[ 2236.779433][T12167]      do_syscall_64+0xc6/0x1e0
[ 2236.779433][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2236.779433][T12167] 
[ 2247.022781][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2247.023804][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2247.023804][T12167]      netdev_get_by_index+0x5e/0x80
[ 2247.023804][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2247.023804][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2247.023804][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2247.023804][T12167]      ipv6_add_addr+0x411/0x2000
[ 2247.023804][T12167]      inet6_addr_add+0x30e/0xa40
[ 2247.023804][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2247.023804][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2247.023804][T12167]      netlink_rcv_skb+0x130/0x360
[ 2247.023804][T12167]      netlink_unicast+0x449/0x710
[ 2247.023804][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2247.023804][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2247.023804][T12167]      ___sys_sendmsg+0xee/0x170
[ 2247.023804][T12167]      __sys_sendmsg+0xcd/0x170
[ 2247.023804][T12167]      do_syscall_64+0xc6/0x1e0
[ 2247.023804][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2247.023804][T12167] 
[ 2247.027487][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2247.027487][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2247.027487][T12167]      ipv6_find_idev+0x102/0x170
[ 2247.027487][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2247.027487][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2247.027487][T12167]      netlink_rcv_skb+0x130/0x360
[ 2247.027487][T12167]      netlink_unicast+0x449/0x710
[ 2247.027487][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2247.027487][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2247.027487][T12167]      ___sys_sendmsg+0xee/0x170
[ 2247.027487][T12167]      __sys_sendmsg+0xcd/0x170
[ 2247.027487][T12167]      do_syscall_64+0xc6/0x1e0
[ 2247.027487][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2247.027487][T12167] 
[ 2247.030333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2247.030333][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2247.030333][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2247.030333][T12167]      ipv6_find_idev+0x102/0x170
[ 2247.030333][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2247.030333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2247.030333][T12167]      netlink_rcv_skb+0x130/0x360
[ 2247.030333][T12167]      netlink_unicast+0x449/0x710
[ 2247.030333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2247.030333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2247.030333][T12167]      ___sys_sendmsg+0xee/0x170
[ 2247.030333][T12167]      __sys_sendmsg+0xcd/0x170
[ 2247.030333][T12167]      do_syscall_64+0xc6/0x1e0
[ 2247.030333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2247.030333][T12167] 
[ 2257.094866][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2257.095362][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2257.095362][T12167]      netdev_get_by_index+0x5e/0x80
[ 2257.095362][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2257.095362][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2257.095362][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2257.095362][T12167]      ipv6_add_addr+0x411/0x2000
[ 2257.095362][T12167]      inet6_addr_add+0x30e/0xa40
[ 2257.095362][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2257.095362][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2257.095362][T12167]      netlink_rcv_skb+0x130/0x360
[ 2257.095362][T12167]      netlink_unicast+0x449/0x710
[ 2257.095362][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2257.095362][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2257.095362][T12167]      ___sys_sendmsg+0xee/0x170
[ 2257.095362][T12167]      __sys_sendmsg+0xcd/0x170
[ 2257.095362][T12167]      do_syscall_64+0xc6/0x1e0
[ 2257.095362][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2257.095362][T12167] 
[ 2257.097677][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2257.097677][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2257.097677][T12167]      ipv6_find_idev+0x102/0x170
[ 2257.097677][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2257.097677][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2257.097677][T12167]      netlink_rcv_skb+0x130/0x360
[ 2257.097677][T12167]      netlink_unicast+0x449/0x710
[ 2257.097677][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2257.097677][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2257.097677][T12167]      ___sys_sendmsg+0xee/0x170
[ 2257.097677][T12167]      __sys_sendmsg+0xcd/0x170
[ 2257.097677][T12167]      do_syscall_64+0xc6/0x1e0
[ 2257.097677][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2257.097677][T12167] 
[ 2257.099576][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2257.099576][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2257.099576][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2257.099576][T12167]      ipv6_find_idev+0x102/0x170
[ 2257.099576][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2257.099576][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2257.099576][T12167]      netlink_rcv_skb+0x130/0x360
[ 2257.099576][T12167]      netlink_unicast+0x449/0x710
[ 2257.099576][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2257.099576][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2257.099576][T12167]      ___sys_sendmsg+0xee/0x170
[ 2257.099576][T12167]      __sys_sendmsg+0xcd/0x170
[ 2257.099576][T12167]      do_syscall_64+0xc6/0x1e0
[ 2257.099576][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2257.099576][T12167] 
[ 2267.142796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2267.143299][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2267.143299][T12167]      netdev_get_by_index+0x5e/0x80
[ 2267.143299][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2267.143299][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2267.143299][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2267.143299][T12167]      ipv6_add_addr+0x411/0x2000
[ 2267.143299][T12167]      inet6_addr_add+0x30e/0xa40
[ 2267.143299][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2267.143299][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2267.143299][T12167]      netlink_rcv_skb+0x130/0x360
[ 2267.143299][T12167]      netlink_unicast+0x449/0x710
[ 2267.143299][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2267.143299][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2267.143299][T12167]      ___sys_sendmsg+0xee/0x170
[ 2267.143299][T12167]      __sys_sendmsg+0xcd/0x170
[ 2267.143299][T12167]      do_syscall_64+0xc6/0x1e0
[ 2267.143299][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2267.143299][T12167] 
[ 2267.145634][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2267.145634][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2267.145634][T12167]      ipv6_find_idev+0x102/0x170
[ 2267.145634][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2267.145634][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2267.145634][T12167]      netlink_rcv_skb+0x130/0x360
[ 2267.145634][T12167]      netlink_unicast+0x449/0x710
[ 2267.145634][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2267.145634][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2267.145634][T12167]      ___sys_sendmsg+0xee/0x170
[ 2267.145634][T12167]      __sys_sendmsg+0xcd/0x170
[ 2267.145634][T12167]      do_syscall_64+0xc6/0x1e0
[ 2267.145634][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2267.145634][T12167] 
[ 2267.147409][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2267.147409][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2267.147409][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2267.147409][T12167]      ipv6_find_idev+0x102/0x170
[ 2267.147409][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2267.147409][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2267.147409][T12167]      netlink_rcv_skb+0x130/0x360
[ 2267.147409][T12167]      netlink_unicast+0x449/0x710
[ 2267.147409][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2267.147409][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2267.147409][T12167]      ___sys_sendmsg+0xee/0x170
[ 2267.147409][T12167]      __sys_sendmsg+0xcd/0x170
[ 2267.147409][T12167]      do_syscall_64+0xc6/0x1e0
[ 2267.147409][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2267.147409][T12167] 
[ 2277.350752][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2277.351238][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2277.351238][T12167]      netdev_get_by_index+0x5e/0x80
[ 2277.351238][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2277.351238][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2277.351238][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2277.351238][T12167]      ipv6_add_addr+0x411/0x2000
[ 2277.351238][T12167]      inet6_addr_add+0x30e/0xa40
[ 2277.351238][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2277.351238][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2277.351238][T12167]      netlink_rcv_skb+0x130/0x360
[ 2277.351238][T12167]      netlink_unicast+0x449/0x710
[ 2277.351238][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2277.351238][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2277.351238][T12167]      ___sys_sendmsg+0xee/0x170
[ 2277.351238][T12167]      __sys_sendmsg+0xcd/0x170
[ 2277.351238][T12167]      do_syscall_64+0xc6/0x1e0
[ 2277.351238][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2277.351238][T12167] 
[ 2277.353558][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2277.353558][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2277.353558][T12167]      ipv6_find_idev+0x102/0x170
[ 2277.353558][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2277.353558][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2277.353558][T12167]      netlink_rcv_skb+0x130/0x360
[ 2277.353558][T12167]      netlink_unicast+0x449/0x710
[ 2277.353558][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2277.353558][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2277.353558][T12167]      ___sys_sendmsg+0xee/0x170
[ 2277.353558][T12167]      __sys_sendmsg+0xcd/0x170
[ 2277.353558][T12167]      do_syscall_64+0xc6/0x1e0
[ 2277.353558][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2277.353558][T12167] 
[ 2277.355335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2277.355335][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2277.355335][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2277.355335][T12167]      ipv6_find_idev+0x102/0x170
[ 2277.355335][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2277.355335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2277.355335][T12167]      netlink_rcv_skb+0x130/0x360
[ 2277.355335][T12167]      netlink_unicast+0x449/0x710
[ 2277.355335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2277.355335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2277.355335][T12167]      ___sys_sendmsg+0xee/0x170
[ 2277.355335][T12167]      __sys_sendmsg+0xcd/0x170
[ 2277.355335][T12167]      do_syscall_64+0xc6/0x1e0
[ 2277.355335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2277.355335][T12167] 
[ 2287.398776][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2287.399258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2287.399258][T12167]      netdev_get_by_index+0x5e/0x80
[ 2287.399258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2287.399258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2287.399258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2287.399258][T12167]      ipv6_add_addr+0x411/0x2000
[ 2287.399258][T12167]      inet6_addr_add+0x30e/0xa40
[ 2287.399258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2287.399258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.399258][T12167]      netlink_rcv_skb+0x130/0x360
[ 2287.399258][T12167]      netlink_unicast+0x449/0x710
[ 2287.399258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2287.399258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.399258][T12167]      ___sys_sendmsg+0xee/0x170
[ 2287.399258][T12167]      __sys_sendmsg+0xcd/0x170
[ 2287.399258][T12167]      do_syscall_64+0xc6/0x1e0
[ 2287.399258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.399258][T12167] 
[ 2287.401700][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2287.401700][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2287.401700][T12167]      ipv6_find_idev+0x102/0x170
[ 2287.401700][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2287.401700][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.401700][T12167]      netlink_rcv_skb+0x130/0x360
[ 2287.401700][T12167]      netlink_unicast+0x449/0x710
[ 2287.401700][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2287.401700][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.401700][T12167]      ___sys_sendmsg+0xee/0x170
[ 2287.401700][T12167]      __sys_sendmsg+0xcd/0x170
[ 2287.401700][T12167]      do_syscall_64+0xc6/0x1e0
[ 2287.401700][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.401700][T12167] 
[ 2287.403695][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2287.403695][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2287.403695][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2287.403695][T12167]      ipv6_find_idev+0x102/0x170
[ 2287.403695][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2287.403695][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2287.403695][T12167]      netlink_rcv_skb+0x130/0x360
[ 2287.403695][T12167]      netlink_unicast+0x449/0x710
[ 2287.403695][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2287.403695][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2287.403695][T12167]      ___sys_sendmsg+0xee/0x170
[ 2287.403695][T12167]      __sys_sendmsg+0xcd/0x170
[ 2287.403695][T12167]      do_syscall_64+0xc6/0x1e0
[ 2287.403695][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2287.403695][T12167] 
[ 2297.646757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2297.647288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2297.647288][T12167]      netdev_get_by_index+0x5e/0x80
[ 2297.647288][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2297.647288][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2297.647288][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2297.647288][T12167]      ipv6_add_addr+0x411/0x2000
[ 2297.647288][T12167]      inet6_addr_add+0x30e/0xa40
[ 2297.647288][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2297.647288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.647288][T12167]      netlink_rcv_skb+0x130/0x360
[ 2297.647288][T12167]      netlink_unicast+0x449/0x710
[ 2297.647288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2297.647288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.647288][T12167]      ___sys_sendmsg+0xee/0x170
[ 2297.647288][T12167]      __sys_sendmsg+0xcd/0x170
[ 2297.647288][T12167]      do_syscall_64+0xc6/0x1e0
[ 2297.647288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.647288][T12167] 
[ 2297.649757][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2297.649757][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2297.649757][T12167]      ipv6_find_idev+0x102/0x170
[ 2297.649757][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2297.649757][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.649757][T12167]      netlink_rcv_skb+0x130/0x360
[ 2297.649757][T12167]      netlink_unicast+0x449/0x710
[ 2297.649757][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2297.649757][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.649757][T12167]      ___sys_sendmsg+0xee/0x170
[ 2297.649757][T12167]      __sys_sendmsg+0xcd/0x170
[ 2297.649757][T12167]      do_syscall_64+0xc6/0x1e0
[ 2297.649757][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.649757][T12167] 
[ 2297.651562][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2297.651562][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2297.651562][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2297.651562][T12167]      ipv6_find_idev+0x102/0x170
[ 2297.651562][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2297.651562][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2297.651562][T12167]      netlink_rcv_skb+0x130/0x360
[ 2297.651562][T12167]      netlink_unicast+0x449/0x710
[ 2297.651562][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2297.651562][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2297.651562][T12167]      ___sys_sendmsg+0xee/0x170
[ 2297.651562][T12167]      __sys_sendmsg+0xcd/0x170
[ 2297.651562][T12167]      do_syscall_64+0xc6/0x1e0
[ 2297.651562][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2297.651562][T12167] 
[ 2307.894837][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2307.895305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2307.895305][T12167]      netdev_get_by_index+0x5e/0x80
[ 2307.895305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2307.895305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2307.895305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2307.895305][T12167]      ipv6_add_addr+0x411/0x2000
[ 2307.895305][T12167]      inet6_addr_add+0x30e/0xa40
[ 2307.895305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.895305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.895305][T12167]      netlink_rcv_skb+0x130/0x360
[ 2307.895305][T12167]      netlink_unicast+0x449/0x710
[ 2307.895305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2307.895305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.895305][T12167]      ___sys_sendmsg+0xee/0x170
[ 2307.895305][T12167]      __sys_sendmsg+0xcd/0x170
[ 2307.895305][T12167]      do_syscall_64+0xc6/0x1e0
[ 2307.895305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.895305][T12167] 
[ 2307.897611][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2307.897611][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2307.897611][T12167]      ipv6_find_idev+0x102/0x170
[ 2307.897611][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.897611][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.897611][T12167]      netlink_rcv_skb+0x130/0x360
[ 2307.897611][T12167]      netlink_unicast+0x449/0x710
[ 2307.897611][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2307.897611][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.897611][T12167]      ___sys_sendmsg+0xee/0x170
[ 2307.897611][T12167]      __sys_sendmsg+0xcd/0x170
[ 2307.897611][T12167]      do_syscall_64+0xc6/0x1e0
[ 2307.897611][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.897611][T12167] 
[ 2307.899490][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2307.899490][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2307.899490][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2307.899490][T12167]      ipv6_find_idev+0x102/0x170
[ 2307.899490][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.899490][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.899490][T12167]      netlink_rcv_skb+0x130/0x360
[ 2307.899490][T12167]      netlink_unicast+0x449/0x710
[ 2307.899490][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2307.899490][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.899490][T12167]      ___sys_sendmsg+0xee/0x170
[ 2307.899490][T12167]      __sys_sendmsg+0xcd/0x170
[ 2307.899490][T12167]      do_syscall_64+0xc6/0x1e0
[ 2307.899490][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.899490][T12167] 
[ 2318.142791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2318.143347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2318.143347][T12167]      netdev_get_by_index+0x5e/0x80
[ 2318.143347][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2318.143347][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2318.143347][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2318.143347][T12167]      ipv6_add_addr+0x411/0x2000
[ 2318.143347][T12167]      inet6_addr_add+0x30e/0xa40
[ 2318.143347][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2318.143347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2318.143347][T12167]      netlink_rcv_skb+0x130/0x360
[ 2318.143347][T12167]      netlink_unicast+0x449/0x710
[ 2318.143347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2318.143347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2318.143347][T12167]      ___sys_sendmsg+0xee/0x170
[ 2318.143347][T12167]      __sys_sendmsg+0xcd/0x170
[ 2318.143347][T12167]      do_syscall_64+0xc6/0x1e0
[ 2318.143347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2318.143347][T12167] 
[ 2318.145615][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2318.145615][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2318.145615][T12167]      ipv6_find_idev+0x102/0x170
[ 2318.145615][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2318.145615][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2318.145615][T12167]      netlink_rcv_skb+0x130/0x360
[ 2318.145615][T12167]      netlink_unicast+0x449/0x710
[ 2318.145615][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2318.145615][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2318.145615][T12167]      ___sys_sendmsg+0xee/0x170
[ 2318.145615][T12167]      __sys_sendmsg+0xcd/0x170
[ 2318.145615][T12167]      do_syscall_64+0xc6/0x1e0
[ 2318.145615][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2318.145615][T12167] 
[ 2318.147346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2318.147346][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2318.147346][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2318.147346][T12167]      ipv6_find_idev+0x102/0x170
[ 2318.147346][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2318.147346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2318.147346][T12167]      netlink_rcv_skb+0x130/0x360
[ 2318.147346][T12167]      netlink_unicast+0x449/0x710
[ 2318.147346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2318.147346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2318.147346][T12167]      ___sys_sendmsg+0xee/0x170
[ 2318.147346][T12167]      __sys_sendmsg+0xcd/0x170
[ 2318.147346][T12167]      do_syscall_64+0xc6/0x1e0
[ 2318.147346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2318.147346][T12167] 
[ 2328.390757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2328.391266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2328.391266][T12167]      netdev_get_by_index+0x5e/0x80
[ 2328.391266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2328.391266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2328.391266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2328.391266][T12167]      ipv6_add_addr+0x411/0x2000
[ 2328.391266][T12167]      inet6_addr_add+0x30e/0xa40
[ 2328.391266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2328.391266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.391266][T12167]      netlink_rcv_skb+0x130/0x360
[ 2328.391266][T12167]      netlink_unicast+0x449/0x710
[ 2328.391266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2328.391266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.391266][T12167]      ___sys_sendmsg+0xee/0x170
[ 2328.391266][T12167]      __sys_sendmsg+0xcd/0x170
[ 2328.391266][T12167]      do_syscall_64+0xc6/0x1e0
[ 2328.391266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.391266][T12167] 
[ 2328.393545][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2328.393545][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2328.393545][T12167]      ipv6_find_idev+0x102/0x170
[ 2328.393545][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2328.393545][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.393545][T12167]      netlink_rcv_skb+0x130/0x360
[ 2328.393545][T12167]      netlink_unicast+0x449/0x710
[ 2328.393545][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2328.393545][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.393545][T12167]      ___sys_sendmsg+0xee/0x170
[ 2328.393545][T12167]      __sys_sendmsg+0xcd/0x170
[ 2328.393545][T12167]      do_syscall_64+0xc6/0x1e0
[ 2328.393545][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.393545][T12167] 
[ 2328.395329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2328.395329][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2328.395329][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2328.395329][T12167]      ipv6_find_idev+0x102/0x170
[ 2328.395329][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2328.395329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2328.395329][T12167]      netlink_rcv_skb+0x130/0x360
[ 2328.395329][T12167]      netlink_unicast+0x449/0x710
[ 2328.395329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2328.395329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2328.395329][T12167]      ___sys_sendmsg+0xee/0x170
[ 2328.395329][T12167]      __sys_sendmsg+0xcd/0x170
[ 2328.395329][T12167]      do_syscall_64+0xc6/0x1e0
[ 2328.395329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2328.395329][T12167] 
[ 2338.638844][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2338.639375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2338.639375][T12167]      netdev_get_by_index+0x5e/0x80
[ 2338.639375][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2338.639375][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2338.639375][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2338.639375][T12167]      ipv6_add_addr+0x411/0x2000
[ 2338.639375][T12167]      inet6_addr_add+0x30e/0xa40
[ 2338.639375][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2338.639375][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.639375][T12167]      netlink_rcv_skb+0x130/0x360
[ 2338.639375][T12167]      netlink_unicast+0x449/0x710
[ 2338.639375][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2338.639375][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.639375][T12167]      ___sys_sendmsg+0xee/0x170
[ 2338.639375][T12167]      __sys_sendmsg+0xcd/0x170
[ 2338.639375][T12167]      do_syscall_64+0xc6/0x1e0
[ 2338.639375][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.639375][T12167] 
[ 2338.641644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2338.641644][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2338.641644][T12167]      ipv6_find_idev+0x102/0x170
[ 2338.641644][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2338.641644][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.641644][T12167]      netlink_rcv_skb+0x130/0x360
[ 2338.641644][T12167]      netlink_unicast+0x449/0x710
[ 2338.641644][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2338.641644][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.641644][T12167]      ___sys_sendmsg+0xee/0x170
[ 2338.641644][T12167]      __sys_sendmsg+0xcd/0x170
[ 2338.641644][T12167]      do_syscall_64+0xc6/0x1e0
[ 2338.641644][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.641644][T12167] 
[ 2338.643463][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2338.643463][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2338.643463][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2338.643463][T12167]      ipv6_find_idev+0x102/0x170
[ 2338.643463][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2338.643463][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2338.643463][T12167]      netlink_rcv_skb+0x130/0x360
[ 2338.643463][T12167]      netlink_unicast+0x449/0x710
[ 2338.643463][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2338.643463][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2338.643463][T12167]      ___sys_sendmsg+0xee/0x170
[ 2338.643463][T12167]      __sys_sendmsg+0xcd/0x170
[ 2338.643463][T12167]      do_syscall_64+0xc6/0x1e0
[ 2338.643463][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2338.643463][T12167] 
[ 2348.886769][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2348.887291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2348.887291][T12167]      netdev_get_by_index+0x5e/0x80
[ 2348.887291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2348.887291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2348.887291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2348.887291][T12167]      ipv6_add_addr+0x411/0x2000
[ 2348.887291][T12167]      inet6_addr_add+0x30e/0xa40
[ 2348.887291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2348.887291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.887291][T12167]      netlink_rcv_skb+0x130/0x360
[ 2348.887291][T12167]      netlink_unicast+0x449/0x710
[ 2348.887291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2348.887291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.887291][T12167]      ___sys_sendmsg+0xee/0x170
[ 2348.887291][T12167]      __sys_sendmsg+0xcd/0x170
[ 2348.887291][T12167]      do_syscall_64+0xc6/0x1e0
[ 2348.887291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.887291][T12167] 
[ 2348.889569][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2348.889569][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2348.889569][T12167]      ipv6_find_idev+0x102/0x170
[ 2348.889569][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2348.889569][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.889569][T12167]      netlink_rcv_skb+0x130/0x360
[ 2348.889569][T12167]      netlink_unicast+0x449/0x710
[ 2348.889569][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2348.889569][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.889569][T12167]      ___sys_sendmsg+0xee/0x170
[ 2348.889569][T12167]      __sys_sendmsg+0xcd/0x170
[ 2348.889569][T12167]      do_syscall_64+0xc6/0x1e0
[ 2348.889569][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.889569][T12167] 
[ 2348.891320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2348.891320][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2348.891320][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2348.891320][T12167]      ipv6_find_idev+0x102/0x170
[ 2348.891320][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2348.891320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2348.891320][T12167]      netlink_rcv_skb+0x130/0x360
[ 2348.891320][T12167]      netlink_unicast+0x449/0x710
[ 2348.891320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2348.891320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2348.891320][T12167]      ___sys_sendmsg+0xee/0x170
[ 2348.891320][T12167]      __sys_sendmsg+0xcd/0x170
[ 2348.891320][T12167]      do_syscall_64+0xc6/0x1e0
[ 2348.891320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2348.891320][T12167] 
[ 2359.134755][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2359.135280][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2359.135280][T12167]      netdev_get_by_index+0x5e/0x80
[ 2359.135280][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2359.135280][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2359.135280][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2359.135280][T12167]      ipv6_add_addr+0x411/0x2000
[ 2359.135280][T12167]      inet6_addr_add+0x30e/0xa40
[ 2359.135280][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2359.135280][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2359.135280][T12167]      netlink_rcv_skb+0x130/0x360
[ 2359.135280][T12167]      netlink_unicast+0x449/0x710
[ 2359.135280][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2359.135280][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2359.135280][T12167]      ___sys_sendmsg+0xee/0x170
[ 2359.135280][T12167]      __sys_sendmsg+0xcd/0x170
[ 2359.135280][T12167]      do_syscall_64+0xc6/0x1e0
[ 2359.135280][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2359.135280][T12167] 
[ 2359.137546][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2359.137546][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2359.137546][T12167]      ipv6_find_idev+0x102/0x170
[ 2359.137546][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2359.137546][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2359.137546][T12167]      netlink_rcv_skb+0x130/0x360
[ 2359.137546][T12167]      netlink_unicast+0x449/0x710
[ 2359.137546][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2359.137546][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2359.137546][T12167]      ___sys_sendmsg+0xee/0x170
[ 2359.137546][T12167]      __sys_sendmsg+0xcd/0x170
[ 2359.137546][T12167]      do_syscall_64+0xc6/0x1e0
[ 2359.137546][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2359.137546][T12167] 
[ 2359.139308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2359.139308][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2359.139308][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2359.139308][T12167]      ipv6_find_idev+0x102/0x170
[ 2359.139308][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2359.139308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2359.139308][T12167]      netlink_rcv_skb+0x130/0x360
[ 2359.139308][T12167]      netlink_unicast+0x449/0x710
[ 2359.139308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2359.139308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2359.139308][T12167]      ___sys_sendmsg+0xee/0x170
[ 2359.139308][T12167]      __sys_sendmsg+0xcd/0x170
[ 2359.139308][T12167]      do_syscall_64+0xc6/0x1e0
[ 2359.139308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2359.139308][T12167] 
[ 2369.238860][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2369.239314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2369.239314][T12167]      netdev_get_by_index+0x5e/0x80
[ 2369.239314][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2369.239314][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2369.239314][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2369.239314][T12167]      ipv6_add_addr+0x411/0x2000
[ 2369.239314][T12167]      inet6_addr_add+0x30e/0xa40
[ 2369.239314][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2369.239314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2369.239314][T12167]      netlink_rcv_skb+0x130/0x360
[ 2369.239314][T12167]      netlink_unicast+0x449/0x710
[ 2369.239314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2369.239314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2369.239314][T12167]      ___sys_sendmsg+0xee/0x170
[ 2369.239314][T12167]      __sys_sendmsg+0xcd/0x170
[ 2369.239314][T12167]      do_syscall_64+0xc6/0x1e0
[ 2369.239314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2369.239314][T12167] 
[ 2369.241600][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2369.241600][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2369.241600][T12167]      ipv6_find_idev+0x102/0x170
[ 2369.241600][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2369.241600][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2369.241600][T12167]      netlink_rcv_skb+0x130/0x360
[ 2369.241600][T12167]      netlink_unicast+0x449/0x710
[ 2369.241600][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2369.241600][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2369.241600][T12167]      ___sys_sendmsg+0xee/0x170
[ 2369.241600][T12167]      __sys_sendmsg+0xcd/0x170
[ 2369.241600][T12167]      do_syscall_64+0xc6/0x1e0
[ 2369.241600][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2369.241600][T12167] 
[ 2369.243347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2369.243347][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2369.243347][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2369.243347][T12167]      ipv6_find_idev+0x102/0x170
[ 2369.243347][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2369.243347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2369.243347][T12167]      netlink_rcv_skb+0x130/0x360
[ 2369.243347][T12167]      netlink_unicast+0x449/0x710
[ 2369.243347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2369.243347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2369.243347][T12167]      ___sys_sendmsg+0xee/0x170
[ 2369.243347][T12167]      __sys_sendmsg+0xcd/0x170
[ 2369.243347][T12167]      do_syscall_64+0xc6/0x1e0
[ 2369.243347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2369.243347][T12167] 
[ 2379.486812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2379.487287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2379.487287][T12167]      netdev_get_by_index+0x5e/0x80
[ 2379.487287][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2379.487287][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2379.487287][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2379.487287][T12167]      ipv6_add_addr+0x411/0x2000
[ 2379.487287][T12167]      inet6_addr_add+0x30e/0xa40
[ 2379.487287][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2379.487287][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2379.487287][T12167]      netlink_rcv_skb+0x130/0x360
[ 2379.487287][T12167]      netlink_unicast+0x449/0x710
[ 2379.487287][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2379.487287][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2379.487287][T12167]      ___sys_sendmsg+0xee/0x170
[ 2379.487287][T12167]      __sys_sendmsg+0xcd/0x170
[ 2379.487287][T12167]      do_syscall_64+0xc6/0x1e0
[ 2379.487287][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2379.487287][T12167] 
[ 2379.489750][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2379.489750][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2379.489750][T12167]      ipv6_find_idev+0x102/0x170
[ 2379.489750][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2379.489750][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2379.489750][T12167]      netlink_rcv_skb+0x130/0x360
[ 2379.489750][T12167]      netlink_unicast+0x449/0x710
[ 2379.489750][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2379.489750][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2379.489750][T12167]      ___sys_sendmsg+0xee/0x170
[ 2379.489750][T12167]      __sys_sendmsg+0xcd/0x170
[ 2379.489750][T12167]      do_syscall_64+0xc6/0x1e0
[ 2379.489750][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2379.489750][T12167] 
[ 2379.491604][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2379.491604][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2379.491604][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2379.491604][T12167]      ipv6_find_idev+0x102/0x170
[ 2379.491604][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2379.491604][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2379.491604][T12167]      netlink_rcv_skb+0x130/0x360
[ 2379.491604][T12167]      netlink_unicast+0x449/0x710
[ 2379.491604][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2379.491604][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2379.491604][T12167]      ___sys_sendmsg+0xee/0x170
[ 2379.491604][T12167]      __sys_sendmsg+0xcd/0x170
[ 2379.491604][T12167]      do_syscall_64+0xc6/0x1e0
[ 2379.491604][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2379.491604][T12167] 
[ 2389.742817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2389.743348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2389.743348][T12167]      netdev_get_by_index+0x5e/0x80
[ 2389.743348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2389.743348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2389.743348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2389.743348][T12167]      ipv6_add_addr+0x411/0x2000
[ 2389.743348][T12167]      inet6_addr_add+0x30e/0xa40
[ 2389.743348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2389.743348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2389.743348][T12167]      netlink_rcv_skb+0x130/0x360
[ 2389.743348][T12167]      netlink_unicast+0x449/0x710
[ 2389.743348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2389.743348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2389.743348][T12167]      ___sys_sendmsg+0xee/0x170
[ 2389.743348][T12167]      __sys_sendmsg+0xcd/0x170
[ 2389.743348][T12167]      do_syscall_64+0xc6/0x1e0
[ 2389.743348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2389.743348][T12167] 
[ 2389.745644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2389.745644][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2389.745644][T12167]      ipv6_find_idev+0x102/0x170
[ 2389.745644][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2389.745644][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2389.745644][T12167]      netlink_rcv_skb+0x130/0x360
[ 2389.745644][T12167]      netlink_unicast+0x449/0x710
[ 2389.745644][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2389.745644][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2389.745644][T12167]      ___sys_sendmsg+0xee/0x170
[ 2389.745644][T12167]      __sys_sendmsg+0xcd/0x170
[ 2389.745644][T12167]      do_syscall_64+0xc6/0x1e0
[ 2389.745644][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2389.745644][T12167] 
[ 2389.747381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2389.747381][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2389.747381][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2389.747381][T12167]      ipv6_find_idev+0x102/0x170
[ 2389.747381][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2389.747381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2389.747381][T12167]      netlink_rcv_skb+0x130/0x360
[ 2389.747381][T12167]      netlink_unicast+0x449/0x710
[ 2389.747381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2389.747381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2389.747381][T12167]      ___sys_sendmsg+0xee/0x170
[ 2389.747381][T12167]      __sys_sendmsg+0xcd/0x170
[ 2389.747381][T12167]      do_syscall_64+0xc6/0x1e0
[ 2389.747381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2389.747381][T12167] 
[ 2399.998771][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2399.999265][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2399.999265][T12167]      netdev_get_by_index+0x5e/0x80
[ 2399.999265][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2399.999265][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2399.999265][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2399.999265][T12167]      ipv6_add_addr+0x411/0x2000
[ 2399.999265][T12167]      inet6_addr_add+0x30e/0xa40
[ 2399.999265][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2399.999265][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2399.999265][T12167]      netlink_rcv_skb+0x130/0x360
[ 2399.999265][T12167]      netlink_unicast+0x449/0x710
[ 2399.999265][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2399.999265][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2399.999265][T12167]      ___sys_sendmsg+0xee/0x170
[ 2399.999265][T12167]      __sys_sendmsg+0xcd/0x170
[ 2399.999265][T12167]      do_syscall_64+0xc6/0x1e0
[ 2399.999265][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2399.999265][T12167] 
[ 2400.001753][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2400.001753][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2400.001753][T12167]      ipv6_find_idev+0x102/0x170
[ 2400.001753][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2400.001753][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2400.001753][T12167]      netlink_rcv_skb+0x130/0x360
[ 2400.001753][T12167]      netlink_unicast+0x449/0x710
[ 2400.001753][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2400.001753][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2400.001753][T12167]      ___sys_sendmsg+0xee/0x170
[ 2400.001753][T12167]      __sys_sendmsg+0xcd/0x170
[ 2400.001753][T12167]      do_syscall_64+0xc6/0x1e0
[ 2400.001753][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2400.001753][T12167] 
[ 2400.003658][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2400.003658][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2400.003658][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2400.003658][T12167]      ipv6_find_idev+0x102/0x170
[ 2400.003658][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2400.003658][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2400.003658][T12167]      netlink_rcv_skb+0x130/0x360
[ 2400.003658][T12167]      netlink_unicast+0x449/0x710
[ 2400.003658][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2400.003658][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2400.003658][T12167]      ___sys_sendmsg+0xee/0x170
[ 2400.003658][T12167]      __sys_sendmsg+0xcd/0x170
[ 2400.003658][T12167]      do_syscall_64+0xc6/0x1e0
[ 2400.003658][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2400.003658][T12167] 
[ 2410.254817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2410.255269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2410.255269][T12167]      netdev_get_by_index+0x5e/0x80
[ 2410.255269][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2410.255269][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2410.255269][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2410.255269][T12167]      ipv6_add_addr+0x411/0x2000
[ 2410.255269][T12167]      inet6_addr_add+0x30e/0xa40
[ 2410.255269][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2410.255269][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2410.255269][T12167]      netlink_rcv_skb+0x130/0x360
[ 2410.255269][T12167]      netlink_unicast+0x449/0x710
[ 2410.255269][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2410.255269][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2410.255269][T12167]      ___sys_sendmsg+0xee/0x170
[ 2410.255269][T12167]      __sys_sendmsg+0xcd/0x170
[ 2410.255269][T12167]      do_syscall_64+0xc6/0x1e0
[ 2410.255269][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2410.255269][T12167] 
[ 2410.257566][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2410.257566][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2410.257566][T12167]      ipv6_find_idev+0x102/0x170
[ 2410.257566][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2410.257566][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2410.257566][T12167]      netlink_rcv_skb+0x130/0x360
[ 2410.257566][T12167]      netlink_unicast+0x449/0x710
[ 2410.257566][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2410.257566][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2410.257566][T12167]      ___sys_sendmsg+0xee/0x170
[ 2410.257566][T12167]      __sys_sendmsg+0xcd/0x170
[ 2410.257566][T12167]      do_syscall_64+0xc6/0x1e0
[ 2410.257566][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2410.257566][T12167] 
[ 2410.259307][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2410.259307][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2410.259307][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2410.259307][T12167]      ipv6_find_idev+0x102/0x170
[ 2410.259307][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2410.259307][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2410.259307][T12167]      netlink_rcv_skb+0x130/0x360
[ 2410.259307][T12167]      netlink_unicast+0x449/0x710
[ 2410.259307][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2410.259307][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2410.259307][T12167]      ___sys_sendmsg+0xee/0x170
[ 2410.259307][T12167]      __sys_sendmsg+0xcd/0x170
[ 2410.259307][T12167]      do_syscall_64+0xc6/0x1e0
[ 2410.259307][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2410.259307][T12167] 
[ 2420.270859][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2420.271425][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2420.271425][T12167]      netdev_get_by_index+0x5e/0x80
[ 2420.271425][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2420.271425][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2420.271425][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2420.271425][T12167]      ipv6_add_addr+0x411/0x2000
[ 2420.271425][T12167]      inet6_addr_add+0x30e/0xa40
[ 2420.271425][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2420.271425][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2420.271425][T12167]      netlink_rcv_skb+0x130/0x360
[ 2420.271425][T12167]      netlink_unicast+0x449/0x710
[ 2420.271425][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2420.271425][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2420.271425][T12167]      ___sys_sendmsg+0xee/0x170
[ 2420.271425][T12167]      __sys_sendmsg+0xcd/0x170
[ 2420.271425][T12167]      do_syscall_64+0xc6/0x1e0
[ 2420.271425][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2420.271425][T12167] 
[ 2420.273690][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2420.273690][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2420.273690][T12167]      ipv6_find_idev+0x102/0x170
[ 2420.273690][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2420.273690][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2420.273690][T12167]      netlink_rcv_skb+0x130/0x360
[ 2420.273690][T12167]      netlink_unicast+0x449/0x710
[ 2420.273690][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2420.273690][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2420.273690][T12167]      ___sys_sendmsg+0xee/0x170
[ 2420.273690][T12167]      __sys_sendmsg+0xcd/0x170
[ 2420.273690][T12167]      do_syscall_64+0xc6/0x1e0
[ 2420.273690][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2420.273690][T12167] 
[ 2420.275446][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2420.275446][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2420.275446][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2420.275446][T12167]      ipv6_find_idev+0x102/0x170
[ 2420.275446][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2420.275446][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2420.275446][T12167]      netlink_rcv_skb+0x130/0x360
[ 2420.275446][T12167]      netlink_unicast+0x449/0x710
[ 2420.275446][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2420.275446][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2420.275446][T12167]      ___sys_sendmsg+0xee/0x170
[ 2420.275446][T12167]      __sys_sendmsg+0xcd/0x170
[ 2420.275446][T12167]      do_syscall_64+0xc6/0x1e0
[ 2420.275446][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2420.275446][T12167] 
[ 2430.518816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2430.519367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2430.519367][T12167]      netdev_get_by_index+0x5e/0x80
[ 2430.519367][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2430.519367][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2430.519367][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2430.519367][T12167]      ipv6_add_addr+0x411/0x2000
[ 2430.519367][T12167]      inet6_addr_add+0x30e/0xa40
[ 2430.519367][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2430.519367][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2430.519367][T12167]      netlink_rcv_skb+0x130/0x360
[ 2430.519367][T12167]      netlink_unicast+0x449/0x710
[ 2430.519367][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2430.519367][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2430.519367][T12167]      ___sys_sendmsg+0xee/0x170
[ 2430.519367][T12167]      __sys_sendmsg+0xcd/0x170
[ 2430.519367][T12167]      do_syscall_64+0xc6/0x1e0
[ 2430.519367][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2430.519367][T12167] 
[ 2430.521962][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2430.521962][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2430.521962][T12167]      ipv6_find_idev+0x102/0x170
[ 2430.521962][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2430.521962][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2430.521962][T12167]      netlink_rcv_skb+0x130/0x360
[ 2430.521962][T12167]      netlink_unicast+0x449/0x710
[ 2430.521962][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2430.521962][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2430.521962][T12167]      ___sys_sendmsg+0xee/0x170
[ 2430.521962][T12167]      __sys_sendmsg+0xcd/0x170
[ 2430.521962][T12167]      do_syscall_64+0xc6/0x1e0
[ 2430.521962][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2430.521962][T12167] 
[ 2430.523880][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2430.523880][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2430.523880][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2430.523880][T12167]      ipv6_find_idev+0x102/0x170
[ 2430.523880][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2430.523880][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2430.523880][T12167]      netlink_rcv_skb+0x130/0x360
[ 2430.523880][T12167]      netlink_unicast+0x449/0x710
[ 2430.523880][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2430.523880][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2430.523880][T12167]      ___sys_sendmsg+0xee/0x170
[ 2430.523880][T12167]      __sys_sendmsg+0xcd/0x170
[ 2430.523880][T12167]      do_syscall_64+0xc6/0x1e0
[ 2430.523880][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2430.523880][T12167] 
[ 2440.766827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2440.767507][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2440.767507][T12167]      netdev_get_by_index+0x5e/0x80
[ 2440.767507][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2440.767507][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2440.767507][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2440.767507][T12167]      ipv6_add_addr+0x411/0x2000
[ 2440.767507][T12167]      inet6_addr_add+0x30e/0xa40
[ 2440.767507][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2440.767507][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.767507][T12167]      netlink_rcv_skb+0x130/0x360
[ 2440.767507][T12167]      netlink_unicast+0x449/0x710
[ 2440.767507][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2440.767507][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.767507][T12167]      ___sys_sendmsg+0xee/0x170
[ 2440.767507][T12167]      __sys_sendmsg+0xcd/0x170
[ 2440.767507][T12167]      do_syscall_64+0xc6/0x1e0
[ 2440.767507][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2440.767507][T12167] 
[ 2440.770997][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2440.770997][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2440.770997][T12167]      ipv6_find_idev+0x102/0x170
[ 2440.770997][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2440.770997][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.770997][T12167]      netlink_rcv_skb+0x130/0x360
[ 2440.770997][T12167]      netlink_unicast+0x449/0x710
[ 2440.770997][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2440.770997][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.770997][T12167]      ___sys_sendmsg+0xee/0x170
[ 2440.770997][T12167]      __sys_sendmsg+0xcd/0x170
[ 2440.770997][T12167]      do_syscall_64+0xc6/0x1e0
[ 2440.770997][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2440.770997][T12167] 
[ 2440.773768][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2440.773768][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2440.773768][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2440.773768][T12167]      ipv6_find_idev+0x102/0x170
[ 2440.773768][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2440.773768][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.773768][T12167]      netlink_rcv_skb+0x130/0x360
[ 2440.773768][T12167]      netlink_unicast+0x449/0x710
[ 2440.773768][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2440.773768][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.773768][T12167]      ___sys_sendmsg+0xee/0x170
[ 2440.773768][T12167]      __sys_sendmsg+0xcd/0x170
[ 2440.773768][T12167]      do_syscall_64+0xc6/0x1e0
[ 2440.773768][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2440.773768][T12167] 
[ 2451.014790][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2451.015236][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2451.015236][T12167]      netdev_get_by_index+0x5e/0x80
[ 2451.015236][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2451.015236][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2451.015236][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2451.015236][T12167]      ipv6_add_addr+0x411/0x2000
[ 2451.015236][T12167]      inet6_addr_add+0x30e/0xa40
[ 2451.015236][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2451.015236][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2451.015236][T12167]      netlink_rcv_skb+0x130/0x360
[ 2451.015236][T12167]      netlink_unicast+0x449/0x710
[ 2451.015236][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2451.015236][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2451.015236][T12167]      ___sys_sendmsg+0xee/0x170
[ 2451.015236][T12167]      __sys_sendmsg+0xcd/0x170
[ 2451.015236][T12167]      do_syscall_64+0xc6/0x1e0
[ 2451.015236][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2451.015236][T12167] 
[ 2451.017536][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2451.017536][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2451.017536][T12167]      ipv6_find_idev+0x102/0x170
[ 2451.017536][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2451.017536][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2451.017536][T12167]      netlink_rcv_skb+0x130/0x360
[ 2451.017536][T12167]      netlink_unicast+0x449/0x710
[ 2451.017536][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2451.017536][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2451.017536][T12167]      ___sys_sendmsg+0xee/0x170
[ 2451.017536][T12167]      __sys_sendmsg+0xcd/0x170
[ 2451.017536][T12167]      do_syscall_64+0xc6/0x1e0
[ 2451.017536][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2451.017536][T12167] 
[ 2451.019290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2451.019290][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2451.019290][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2451.019290][T12167]      ipv6_find_idev+0x102/0x170
[ 2451.019290][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2451.019290][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2451.019290][T12167]      netlink_rcv_skb+0x130/0x360
[ 2451.019290][T12167]      netlink_unicast+0x449/0x710
[ 2451.019290][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2451.019290][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2451.019290][T12167]      ___sys_sendmsg+0xee/0x170
[ 2451.019290][T12167]      __sys_sendmsg+0xcd/0x170
[ 2451.019290][T12167]      do_syscall_64+0xc6/0x1e0
[ 2451.019290][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2451.019290][T12167] 
[ 2461.262849][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2461.263327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2461.263327][T12167]      netdev_get_by_index+0x5e/0x80
[ 2461.263327][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2461.263327][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2461.263327][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2461.263327][T12167]      ipv6_add_addr+0x411/0x2000
[ 2461.263327][T12167]      inet6_addr_add+0x30e/0xa40
[ 2461.263327][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2461.263327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2461.263327][T12167]      netlink_rcv_skb+0x130/0x360
[ 2461.263327][T12167]      netlink_unicast+0x449/0x710
[ 2461.263327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2461.263327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2461.263327][T12167]      ___sys_sendmsg+0xee/0x170
[ 2461.263327][T12167]      __sys_sendmsg+0xcd/0x170
[ 2461.263327][T12167]      do_syscall_64+0xc6/0x1e0
[ 2461.263327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2461.263327][T12167] 
[ 2461.265813][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2461.265813][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2461.265813][T12167]      ipv6_find_idev+0x102/0x170
[ 2461.265813][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2461.265813][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2461.265813][T12167]      netlink_rcv_skb+0x130/0x360
[ 2461.265813][T12167]      netlink_unicast+0x449/0x710
[ 2461.265813][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2461.265813][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2461.265813][T12167]      ___sys_sendmsg+0xee/0x170
[ 2461.265813][T12167]      __sys_sendmsg+0xcd/0x170
[ 2461.265813][T12167]      do_syscall_64+0xc6/0x1e0
[ 2461.265813][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2461.265813][T12167] 
[ 2461.267706][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2461.267706][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2461.267706][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2461.267706][T12167]      ipv6_find_idev+0x102/0x170
[ 2461.267706][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2461.267706][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2461.267706][T12167]      netlink_rcv_skb+0x130/0x360
[ 2461.267706][T12167]      netlink_unicast+0x449/0x710
[ 2461.267706][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2461.267706][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2461.267706][T12167]      ___sys_sendmsg+0xee/0x170
[ 2461.267706][T12167]      __sys_sendmsg+0xcd/0x170
[ 2461.267706][T12167]      do_syscall_64+0xc6/0x1e0
[ 2461.267706][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2461.267706][T12167] 
[ 2471.446845][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2471.447381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2471.447381][T12167]      netdev_get_by_index+0x5e/0x80
[ 2471.447381][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2471.447381][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2471.447381][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2471.447381][T12167]      ipv6_add_addr+0x411/0x2000
[ 2471.447381][T12167]      inet6_addr_add+0x30e/0xa40
[ 2471.447381][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2471.447381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2471.447381][T12167]      netlink_rcv_skb+0x130/0x360
[ 2471.447381][T12167]      netlink_unicast+0x449/0x710
[ 2471.447381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2471.447381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2471.447381][T12167]      ___sys_sendmsg+0xee/0x170
[ 2471.447381][T12167]      __sys_sendmsg+0xcd/0x170
[ 2471.447381][T12167]      do_syscall_64+0xc6/0x1e0
[ 2471.447381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2471.447381][T12167] 
[ 2471.449899][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2471.449899][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2471.449899][T12167]      ipv6_find_idev+0x102/0x170
[ 2471.449899][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2471.449899][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2471.449899][T12167]      netlink_rcv_skb+0x130/0x360
[ 2471.449899][T12167]      netlink_unicast+0x449/0x710
[ 2471.449899][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2471.449899][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2471.449899][T12167]      ___sys_sendmsg+0xee/0x170
[ 2471.449899][T12167]      __sys_sendmsg+0xcd/0x170
[ 2471.449899][T12167]      do_syscall_64+0xc6/0x1e0
[ 2471.449899][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2471.449899][T12167] 
[ 2471.451785][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2471.451785][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2471.451785][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2471.451785][T12167]      ipv6_find_idev+0x102/0x170
[ 2471.451785][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2471.451785][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2471.451785][T12167]      netlink_rcv_skb+0x130/0x360
[ 2471.451785][T12167]      netlink_unicast+0x449/0x710
[ 2471.451785][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2471.451785][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2471.451785][T12167]      ___sys_sendmsg+0xee/0x170
[ 2471.451785][T12167]      __sys_sendmsg+0xcd/0x170
[ 2471.451785][T12167]      do_syscall_64+0xc6/0x1e0
[ 2471.451785][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2471.451785][T12167] 
[ 2481.550773][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2481.551301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2481.551301][T12167]      netdev_get_by_index+0x5e/0x80
[ 2481.551301][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2481.551301][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2481.551301][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2481.551301][T12167]      ipv6_add_addr+0x411/0x2000
[ 2481.551301][T12167]      inet6_addr_add+0x30e/0xa40
[ 2481.551301][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2481.551301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2481.551301][T12167]      netlink_rcv_skb+0x130/0x360
[ 2481.551301][T12167]      netlink_unicast+0x449/0x710
[ 2481.551301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2481.551301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2481.551301][T12167]      ___sys_sendmsg+0xee/0x170
[ 2481.551301][T12167]      __sys_sendmsg+0xcd/0x170
[ 2481.551301][T12167]      do_syscall_64+0xc6/0x1e0
[ 2481.551301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2481.551301][T12167] 
[ 2481.553751][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2481.553751][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2481.553751][T12167]      ipv6_find_idev+0x102/0x170
[ 2481.553751][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2481.553751][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2481.553751][T12167]      netlink_rcv_skb+0x130/0x360
[ 2481.553751][T12167]      netlink_unicast+0x449/0x710
[ 2481.553751][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2481.553751][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2481.553751][T12167]      ___sys_sendmsg+0xee/0x170
[ 2481.553751][T12167]      __sys_sendmsg+0xcd/0x170
[ 2481.553751][T12167]      do_syscall_64+0xc6/0x1e0
[ 2481.553751][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2481.553751][T12167] 
[ 2481.555644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2481.555644][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2481.555644][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2481.555644][T12167]      ipv6_find_idev+0x102/0x170
[ 2481.555644][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2481.555644][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2481.555644][T12167]      netlink_rcv_skb+0x130/0x360
[ 2481.555644][T12167]      netlink_unicast+0x449/0x710
[ 2481.555644][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2481.555644][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2481.555644][T12167]      ___sys_sendmsg+0xee/0x170
[ 2481.555644][T12167]      __sys_sendmsg+0xcd/0x170
[ 2481.555644][T12167]      do_syscall_64+0xc6/0x1e0
[ 2481.555644][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2481.555644][T12167] 
[ 2491.662827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2491.663515][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2491.663515][T12167]      netdev_get_by_index+0x5e/0x80
[ 2491.663515][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2491.663515][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2491.663515][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2491.663515][T12167]      ipv6_add_addr+0x411/0x2000
[ 2491.663515][T12167]      inet6_addr_add+0x30e/0xa40
[ 2491.663515][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2491.663515][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.663515][T12167]      netlink_rcv_skb+0x130/0x360
[ 2491.663515][T12167]      netlink_unicast+0x449/0x710
[ 2491.663515][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2491.663515][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.663515][T12167]      ___sys_sendmsg+0xee/0x170
[ 2491.663515][T12167]      __sys_sendmsg+0xcd/0x170
[ 2491.663515][T12167]      do_syscall_64+0xc6/0x1e0
[ 2491.663515][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.663515][T12167] 
[ 2491.667177][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2491.667177][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2491.667177][T12167]      ipv6_find_idev+0x102/0x170
[ 2491.667177][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2491.667177][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.667177][T12167]      netlink_rcv_skb+0x130/0x360
[ 2491.667177][T12167]      netlink_unicast+0x449/0x710
[ 2491.667177][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2491.667177][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.667177][T12167]      ___sys_sendmsg+0xee/0x170
[ 2491.667177][T12167]      __sys_sendmsg+0xcd/0x170
[ 2491.667177][T12167]      do_syscall_64+0xc6/0x1e0
[ 2491.667177][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.667177][T12167] 
[ 2491.669989][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2491.669989][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2491.669989][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2491.669989][T12167]      ipv6_find_idev+0x102/0x170
[ 2491.669989][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2491.669989][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.669989][T12167]      netlink_rcv_skb+0x130/0x360
[ 2491.669989][T12167]      netlink_unicast+0x449/0x710
[ 2491.669989][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2491.669989][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.669989][T12167]      ___sys_sendmsg+0xee/0x170
[ 2491.669989][T12167]      __sys_sendmsg+0xcd/0x170
[ 2491.669989][T12167]      do_syscall_64+0xc6/0x1e0
[ 2491.669989][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.669989][T12167] 
[ 2501.702858][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2501.703326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2501.703326][T12167]      netdev_get_by_index+0x5e/0x80
[ 2501.703326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2501.703326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2501.703326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2501.703326][T12167]      ipv6_add_addr+0x411/0x2000
[ 2501.703326][T12167]      inet6_addr_add+0x30e/0xa40
[ 2501.703326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.703326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.703326][T12167]      netlink_rcv_skb+0x130/0x360
[ 2501.703326][T12167]      netlink_unicast+0x449/0x710
[ 2501.703326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2501.703326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.703326][T12167]      ___sys_sendmsg+0xee/0x170
[ 2501.703326][T12167]      __sys_sendmsg+0xcd/0x170
[ 2501.703326][T12167]      do_syscall_64+0xc6/0x1e0
[ 2501.703326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.703326][T12167] 
[ 2501.705655][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2501.705655][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2501.705655][T12167]      ipv6_find_idev+0x102/0x170
[ 2501.705655][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.705655][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.705655][T12167]      netlink_rcv_skb+0x130/0x360
[ 2501.705655][T12167]      netlink_unicast+0x449/0x710
[ 2501.705655][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2501.705655][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.705655][T12167]      ___sys_sendmsg+0xee/0x170
[ 2501.705655][T12167]      __sys_sendmsg+0xcd/0x170
[ 2501.705655][T12167]      do_syscall_64+0xc6/0x1e0
[ 2501.705655][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.705655][T12167] 
[ 2501.707401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2501.707401][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2501.707401][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2501.707401][T12167]      ipv6_find_idev+0x102/0x170
[ 2501.707401][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.707401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.707401][T12167]      netlink_rcv_skb+0x130/0x360
[ 2501.707401][T12167]      netlink_unicast+0x449/0x710
[ 2501.707401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2501.707401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.707401][T12167]      ___sys_sendmsg+0xee/0x170
[ 2501.707401][T12167]      __sys_sendmsg+0xcd/0x170
[ 2501.707401][T12167]      do_syscall_64+0xc6/0x1e0
[ 2501.707401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.707401][T12167] 
[ 2511.878816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2511.879304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2511.879304][T12167]      netdev_get_by_index+0x5e/0x80
[ 2511.879304][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2511.879304][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2511.879304][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2511.879304][T12167]      ipv6_add_addr+0x411/0x2000
[ 2511.879304][T12167]      inet6_addr_add+0x30e/0xa40
[ 2511.879304][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2511.879304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.879304][T12167]      netlink_rcv_skb+0x130/0x360
[ 2511.879304][T12167]      netlink_unicast+0x449/0x710
[ 2511.879304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2511.879304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.879304][T12167]      ___sys_sendmsg+0xee/0x170
[ 2511.879304][T12167]      __sys_sendmsg+0xcd/0x170
[ 2511.879304][T12167]      do_syscall_64+0xc6/0x1e0
[ 2511.879304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.879304][T12167] 
[ 2511.881936][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2511.881936][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2511.881936][T12167]      ipv6_find_idev+0x102/0x170
[ 2511.881936][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2511.881936][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.881936][T12167]      netlink_rcv_skb+0x130/0x360
[ 2511.881936][T12167]      netlink_unicast+0x449/0x710
[ 2511.881936][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2511.881936][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.881936][T12167]      ___sys_sendmsg+0xee/0x170
[ 2511.881936][T12167]      __sys_sendmsg+0xcd/0x170
[ 2511.881936][T12167]      do_syscall_64+0xc6/0x1e0
[ 2511.881936][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.881936][T12167] 
[ 2511.883840][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2511.883840][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2511.883840][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2511.883840][T12167]      ipv6_find_idev+0x102/0x170
[ 2511.883840][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2511.883840][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2511.883840][T12167]      netlink_rcv_skb+0x130/0x360
[ 2511.883840][T12167]      netlink_unicast+0x449/0x710
[ 2511.883840][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2511.883840][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2511.883840][T12167]      ___sys_sendmsg+0xee/0x170
[ 2511.883840][T12167]      __sys_sendmsg+0xcd/0x170
[ 2511.883840][T12167]      do_syscall_64+0xc6/0x1e0
[ 2511.883840][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2511.883840][T12167] 
[ 2522.126738][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2522.127275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2522.127275][T12167]      netdev_get_by_index+0x5e/0x80
[ 2522.127275][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2522.127275][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2522.127275][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2522.127275][T12167]      ipv6_add_addr+0x411/0x2000
[ 2522.127275][T12167]      inet6_addr_add+0x30e/0xa40
[ 2522.127275][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2522.127275][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.127275][T12167]      netlink_rcv_skb+0x130/0x360
[ 2522.127275][T12167]      netlink_unicast+0x449/0x710
[ 2522.127275][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2522.127275][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.127275][T12167]      ___sys_sendmsg+0xee/0x170
[ 2522.127275][T12167]      __sys_sendmsg+0xcd/0x170
[ 2522.127275][T12167]      do_syscall_64+0xc6/0x1e0
[ 2522.127275][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.127275][T12167] 
[ 2522.129759][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2522.129759][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2522.129759][T12167]      ipv6_find_idev+0x102/0x170
[ 2522.129759][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2522.129759][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.129759][T12167]      netlink_rcv_skb+0x130/0x360
[ 2522.129759][T12167]      netlink_unicast+0x449/0x710
[ 2522.129759][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2522.129759][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.129759][T12167]      ___sys_sendmsg+0xee/0x170
[ 2522.129759][T12167]      __sys_sendmsg+0xcd/0x170
[ 2522.129759][T12167]      do_syscall_64+0xc6/0x1e0
[ 2522.129759][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.129759][T12167] 
[ 2522.131668][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2522.131668][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2522.131668][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2522.131668][T12167]      ipv6_find_idev+0x102/0x170
[ 2522.131668][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2522.131668][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.131668][T12167]      netlink_rcv_skb+0x130/0x360
[ 2522.131668][T12167]      netlink_unicast+0x449/0x710
[ 2522.131668][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2522.131668][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.131668][T12167]      ___sys_sendmsg+0xee/0x170
[ 2522.131668][T12167]      __sys_sendmsg+0xcd/0x170
[ 2522.131668][T12167]      do_syscall_64+0xc6/0x1e0
[ 2522.131668][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.131668][T12167] 
[ 2532.374875][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2532.375395][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2532.375395][T12167]      netdev_get_by_index+0x5e/0x80
[ 2532.375395][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2532.375395][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2532.375395][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2532.375395][T12167]      ipv6_add_addr+0x411/0x2000
[ 2532.375395][T12167]      inet6_addr_add+0x30e/0xa40
[ 2532.375395][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2532.375395][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.375395][T12167]      netlink_rcv_skb+0x130/0x360
[ 2532.375395][T12167]      netlink_unicast+0x449/0x710
[ 2532.375395][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2532.375395][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.375395][T12167]      ___sys_sendmsg+0xee/0x170
[ 2532.375395][T12167]      __sys_sendmsg+0xcd/0x170
[ 2532.375395][T12167]      do_syscall_64+0xc6/0x1e0
[ 2532.375395][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.375395][T12167] 
[ 2532.377764][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2532.377764][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2532.377764][T12167]      ipv6_find_idev+0x102/0x170
[ 2532.377764][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2532.377764][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.377764][T12167]      netlink_rcv_skb+0x130/0x360
[ 2532.377764][T12167]      netlink_unicast+0x449/0x710
[ 2532.377764][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2532.377764][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.377764][T12167]      ___sys_sendmsg+0xee/0x170
[ 2532.377764][T12167]      __sys_sendmsg+0xcd/0x170
[ 2532.377764][T12167]      do_syscall_64+0xc6/0x1e0
[ 2532.377764][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.377764][T12167] 
[ 2532.379637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2532.379637][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2532.379637][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2532.379637][T12167]      ipv6_find_idev+0x102/0x170
[ 2532.379637][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2532.379637][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.379637][T12167]      netlink_rcv_skb+0x130/0x360
[ 2532.379637][T12167]      netlink_unicast+0x449/0x710
[ 2532.379637][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2532.379637][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.379637][T12167]      ___sys_sendmsg+0xee/0x170
[ 2532.379637][T12167]      __sys_sendmsg+0xcd/0x170
[ 2532.379637][T12167]      do_syscall_64+0xc6/0x1e0
[ 2532.379637][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.379637][T12167] 
[ 2542.574793][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2542.575249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2542.575249][T12167]      netdev_get_by_index+0x5e/0x80
[ 2542.575249][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2542.575249][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2542.575249][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2542.575249][T12167]      ipv6_add_addr+0x411/0x2000
[ 2542.575249][T12167]      inet6_addr_add+0x30e/0xa40
[ 2542.575249][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.575249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.575249][T12167]      netlink_rcv_skb+0x130/0x360
[ 2542.575249][T12167]      netlink_unicast+0x449/0x710
[ 2542.575249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2542.575249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.575249][T12167]      ___sys_sendmsg+0xee/0x170
[ 2542.575249][T12167]      __sys_sendmsg+0xcd/0x170
[ 2542.575249][T12167]      do_syscall_64+0xc6/0x1e0
[ 2542.575249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.575249][T12167] 
[ 2542.577775][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2542.577775][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2542.577775][T12167]      ipv6_find_idev+0x102/0x170
[ 2542.577775][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.577775][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.577775][T12167]      netlink_rcv_skb+0x130/0x360
[ 2542.577775][T12167]      netlink_unicast+0x449/0x710
[ 2542.577775][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2542.577775][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.577775][T12167]      ___sys_sendmsg+0xee/0x170
[ 2542.577775][T12167]      __sys_sendmsg+0xcd/0x170
[ 2542.577775][T12167]      do_syscall_64+0xc6/0x1e0
[ 2542.577775][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.577775][T12167] 
[ 2542.579714][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2542.579714][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2542.579714][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2542.579714][T12167]      ipv6_find_idev+0x102/0x170
[ 2542.579714][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.579714][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.579714][T12167]      netlink_rcv_skb+0x130/0x360
[ 2542.579714][T12167]      netlink_unicast+0x449/0x710
[ 2542.579714][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2542.579714][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.579714][T12167]      ___sys_sendmsg+0xee/0x170
[ 2542.579714][T12167]      __sys_sendmsg+0xcd/0x170
[ 2542.579714][T12167]      do_syscall_64+0xc6/0x1e0
[ 2542.579714][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.579714][T12167] 
[ 2552.590801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2552.591335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2552.591335][T12167]      netdev_get_by_index+0x5e/0x80
[ 2552.591335][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2552.591335][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2552.591335][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2552.591335][T12167]      ipv6_add_addr+0x411/0x2000
[ 2552.591335][T12167]      inet6_addr_add+0x30e/0xa40
[ 2552.591335][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.591335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.591335][T12167]      netlink_rcv_skb+0x130/0x360
[ 2552.591335][T12167]      netlink_unicast+0x449/0x710
[ 2552.591335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2552.591335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.591335][T12167]      ___sys_sendmsg+0xee/0x170
[ 2552.591335][T12167]      __sys_sendmsg+0xcd/0x170
[ 2552.591335][T12167]      do_syscall_64+0xc6/0x1e0
[ 2552.591335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.591335][T12167] 
[ 2552.593670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2552.593670][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2552.593670][T12167]      ipv6_find_idev+0x102/0x170
[ 2552.593670][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.593670][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.593670][T12167]      netlink_rcv_skb+0x130/0x360
[ 2552.593670][T12167]      netlink_unicast+0x449/0x710
[ 2552.593670][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2552.593670][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.593670][T12167]      ___sys_sendmsg+0xee/0x170
[ 2552.593670][T12167]      __sys_sendmsg+0xcd/0x170
[ 2552.593670][T12167]      do_syscall_64+0xc6/0x1e0
[ 2552.593670][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.593670][T12167] 
[ 2552.595445][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2552.595445][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2552.595445][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2552.595445][T12167]      ipv6_find_idev+0x102/0x170
[ 2552.595445][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.595445][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.595445][T12167]      netlink_rcv_skb+0x130/0x360
[ 2552.595445][T12167]      netlink_unicast+0x449/0x710
[ 2552.595445][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2552.595445][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.595445][T12167]      ___sys_sendmsg+0xee/0x170
[ 2552.595445][T12167]      __sys_sendmsg+0xcd/0x170
[ 2552.595445][T12167]      do_syscall_64+0xc6/0x1e0
[ 2552.595445][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.595445][T12167] 
[ 2562.614891][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2562.615549][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2562.615549][T12167]      netdev_get_by_index+0x5e/0x80
[ 2562.615549][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2562.615549][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2562.615549][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2562.615549][T12167]      ipv6_add_addr+0x411/0x2000
[ 2562.615549][T12167]      inet6_addr_add+0x30e/0xa40
[ 2562.615549][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.615549][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.615549][T12167]      netlink_rcv_skb+0x130/0x360
[ 2562.615549][T12167]      netlink_unicast+0x449/0x710
[ 2562.615549][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2562.615549][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.615549][T12167]      ___sys_sendmsg+0xee/0x170
[ 2562.615549][T12167]      __sys_sendmsg+0xcd/0x170
[ 2562.615549][T12167]      do_syscall_64+0xc6/0x1e0
[ 2562.615549][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.615549][T12167] 
[ 2562.619320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2562.619320][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2562.619320][T12167]      ipv6_find_idev+0x102/0x170
[ 2562.619320][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.619320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.619320][T12167]      netlink_rcv_skb+0x130/0x360
[ 2562.619320][T12167]      netlink_unicast+0x449/0x710
[ 2562.619320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2562.619320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.619320][T12167]      ___sys_sendmsg+0xee/0x170
[ 2562.619320][T12167]      __sys_sendmsg+0xcd/0x170
[ 2562.619320][T12167]      do_syscall_64+0xc6/0x1e0
[ 2562.619320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.619320][T12167] 
[ 2562.622170][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2562.622170][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2562.622170][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2562.622170][T12167]      ipv6_find_idev+0x102/0x170
[ 2562.622170][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.622170][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.622170][T12167]      netlink_rcv_skb+0x130/0x360
[ 2562.622170][T12167]      netlink_unicast+0x449/0x710
[ 2562.622170][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2562.622170][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.622170][T12167]      ___sys_sendmsg+0xee/0x170
[ 2562.622170][T12167]      __sys_sendmsg+0xcd/0x170
[ 2562.622170][T12167]      do_syscall_64+0xc6/0x1e0
[ 2562.622170][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.622170][T12167] 
[ 2572.862835][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2572.863297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2572.863297][T12167]      netdev_get_by_index+0x5e/0x80
[ 2572.863297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2572.863297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2572.863297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2572.863297][T12167]      ipv6_add_addr+0x411/0x2000
[ 2572.863297][T12167]      inet6_addr_add+0x30e/0xa40
[ 2572.863297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2572.863297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.863297][T12167]      netlink_rcv_skb+0x130/0x360
[ 2572.863297][T12167]      netlink_unicast+0x449/0x710
[ 2572.863297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2572.863297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.863297][T12167]      ___sys_sendmsg+0xee/0x170
[ 2572.863297][T12167]      __sys_sendmsg+0xcd/0x170
[ 2572.863297][T12167]      do_syscall_64+0xc6/0x1e0
[ 2572.863297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.863297][T12167] 
[ 2572.865965][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2572.865965][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2572.865965][T12167]      ipv6_find_idev+0x102/0x170
[ 2572.865965][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2572.865965][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.865965][T12167]      netlink_rcv_skb+0x130/0x360
[ 2572.865965][T12167]      netlink_unicast+0x449/0x710
[ 2572.865965][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2572.865965][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.865965][T12167]      ___sys_sendmsg+0xee/0x170
[ 2572.865965][T12167]      __sys_sendmsg+0xcd/0x170
[ 2572.865965][T12167]      do_syscall_64+0xc6/0x1e0
[ 2572.865965][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.865965][T12167] 
[ 2572.868018][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2572.868018][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2572.868018][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2572.868018][T12167]      ipv6_find_idev+0x102/0x170
[ 2572.868018][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2572.868018][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2572.868018][T12167]      netlink_rcv_skb+0x130/0x360
[ 2572.868018][T12167]      netlink_unicast+0x449/0x710
[ 2572.868018][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2572.868018][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2572.868018][T12167]      ___sys_sendmsg+0xee/0x170
[ 2572.868018][T12167]      __sys_sendmsg+0xcd/0x170
[ 2572.868018][T12167]      do_syscall_64+0xc6/0x1e0
[ 2572.868018][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2572.868018][T12167] 
[ 2583.110776][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2583.111246][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2583.111246][T12167]      netdev_get_by_index+0x5e/0x80
[ 2583.111246][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2583.111246][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2583.111246][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2583.111246][T12167]      ipv6_add_addr+0x411/0x2000
[ 2583.111246][T12167]      inet6_addr_add+0x30e/0xa40
[ 2583.111246][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2583.111246][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.111246][T12167]      netlink_rcv_skb+0x130/0x360
[ 2583.111246][T12167]      netlink_unicast+0x449/0x710
[ 2583.111246][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2583.111246][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.111246][T12167]      ___sys_sendmsg+0xee/0x170
[ 2583.111246][T12167]      __sys_sendmsg+0xcd/0x170
[ 2583.111246][T12167]      do_syscall_64+0xc6/0x1e0
[ 2583.111246][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.111246][T12167] 
[ 2583.113584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2583.113584][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2583.113584][T12167]      ipv6_find_idev+0x102/0x170
[ 2583.113584][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2583.113584][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.113584][T12167]      netlink_rcv_skb+0x130/0x360
[ 2583.113584][T12167]      netlink_unicast+0x449/0x710
[ 2583.113584][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2583.113584][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.113584][T12167]      ___sys_sendmsg+0xee/0x170
[ 2583.113584][T12167]      __sys_sendmsg+0xcd/0x170
[ 2583.113584][T12167]      do_syscall_64+0xc6/0x1e0
[ 2583.113584][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.113584][T12167] 
[ 2583.115333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2583.115333][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2583.115333][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2583.115333][T12167]      ipv6_find_idev+0x102/0x170
[ 2583.115333][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2583.115333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.115333][T12167]      netlink_rcv_skb+0x130/0x360
[ 2583.115333][T12167]      netlink_unicast+0x449/0x710
[ 2583.115333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2583.115333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.115333][T12167]      ___sys_sendmsg+0xee/0x170
[ 2583.115333][T12167]      __sys_sendmsg+0xcd/0x170
[ 2583.115333][T12167]      do_syscall_64+0xc6/0x1e0
[ 2583.115333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.115333][T12167] 
[ 2593.358759][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2593.359266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2593.359266][T12167]      netdev_get_by_index+0x5e/0x80
[ 2593.359266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2593.359266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2593.359266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2593.359266][T12167]      ipv6_add_addr+0x411/0x2000
[ 2593.359266][T12167]      inet6_addr_add+0x30e/0xa40
[ 2593.359266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.359266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.359266][T12167]      netlink_rcv_skb+0x130/0x360
[ 2593.359266][T12167]      netlink_unicast+0x449/0x710
[ 2593.359266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2593.359266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.359266][T12167]      ___sys_sendmsg+0xee/0x170
[ 2593.359266][T12167]      __sys_sendmsg+0xcd/0x170
[ 2593.359266][T12167]      do_syscall_64+0xc6/0x1e0
[ 2593.359266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.359266][T12167] 
[ 2593.361762][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2593.361762][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2593.361762][T12167]      ipv6_find_idev+0x102/0x170
[ 2593.361762][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.361762][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.361762][T12167]      netlink_rcv_skb+0x130/0x360
[ 2593.361762][T12167]      netlink_unicast+0x449/0x710
[ 2593.361762][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2593.361762][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.361762][T12167]      ___sys_sendmsg+0xee/0x170
[ 2593.361762][T12167]      __sys_sendmsg+0xcd/0x170
[ 2593.361762][T12167]      do_syscall_64+0xc6/0x1e0
[ 2593.361762][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.361762][T12167] 
[ 2593.363666][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2593.363666][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2593.363666][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2593.363666][T12167]      ipv6_find_idev+0x102/0x170
[ 2593.363666][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.363666][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.363666][T12167]      netlink_rcv_skb+0x130/0x360
[ 2593.363666][T12167]      netlink_unicast+0x449/0x710
[ 2593.363666][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2593.363666][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.363666][T12167]      ___sys_sendmsg+0xee/0x170
[ 2593.363666][T12167]      __sys_sendmsg+0xcd/0x170
[ 2593.363666][T12167]      do_syscall_64+0xc6/0x1e0
[ 2593.363666][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.363666][T12167] 
[ 2603.422847][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2603.423410][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2603.423410][T12167]      netdev_get_by_index+0x5e/0x80
[ 2603.423410][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2603.423410][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2603.423410][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2603.423410][T12167]      ipv6_add_addr+0x411/0x2000
[ 2603.423410][T12167]      inet6_addr_add+0x30e/0xa40
[ 2603.423410][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.423410][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.423410][T12167]      netlink_rcv_skb+0x130/0x360
[ 2603.423410][T12167]      netlink_unicast+0x449/0x710
[ 2603.423410][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2603.423410][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.423410][T12167]      ___sys_sendmsg+0xee/0x170
[ 2603.423410][T12167]      __sys_sendmsg+0xcd/0x170
[ 2603.423410][T12167]      do_syscall_64+0xc6/0x1e0
[ 2603.423410][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.423410][T12167] 
[ 2603.425856][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2603.425856][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2603.425856][T12167]      ipv6_find_idev+0x102/0x170
[ 2603.425856][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.425856][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.425856][T12167]      netlink_rcv_skb+0x130/0x360
[ 2603.425856][T12167]      netlink_unicast+0x449/0x710
[ 2603.425856][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2603.425856][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.425856][T12167]      ___sys_sendmsg+0xee/0x170
[ 2603.425856][T12167]      __sys_sendmsg+0xcd/0x170
[ 2603.425856][T12167]      do_syscall_64+0xc6/0x1e0
[ 2603.425856][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.425856][T12167] 
[ 2603.427728][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2603.427728][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2603.427728][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2603.427728][T12167]      ipv6_find_idev+0x102/0x170
[ 2603.427728][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.427728][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.427728][T12167]      netlink_rcv_skb+0x130/0x360
[ 2603.427728][T12167]      netlink_unicast+0x449/0x710
[ 2603.427728][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2603.427728][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.427728][T12167]      ___sys_sendmsg+0xee/0x170
[ 2603.427728][T12167]      __sys_sendmsg+0xcd/0x170
[ 2603.427728][T12167]      do_syscall_64+0xc6/0x1e0
[ 2603.427728][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.427728][T12167] 
[ 2613.598859][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2613.599357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2613.599357][T12167]      netdev_get_by_index+0x5e/0x80
[ 2613.599357][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2613.599357][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2613.599357][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2613.599357][T12167]      ipv6_add_addr+0x411/0x2000
[ 2613.599357][T12167]      inet6_addr_add+0x30e/0xa40
[ 2613.599357][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.599357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.599357][T12167]      netlink_rcv_skb+0x130/0x360
[ 2613.599357][T12167]      netlink_unicast+0x449/0x710
[ 2613.599357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2613.599357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.599357][T12167]      ___sys_sendmsg+0xee/0x170
[ 2613.599357][T12167]      __sys_sendmsg+0xcd/0x170
[ 2613.599357][T12167]      do_syscall_64+0xc6/0x1e0
[ 2613.599357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.599357][T12167] 
[ 2613.601839][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2613.601839][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2613.601839][T12167]      ipv6_find_idev+0x102/0x170
[ 2613.601839][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.601839][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.601839][T12167]      netlink_rcv_skb+0x130/0x360
[ 2613.601839][T12167]      netlink_unicast+0x449/0x710
[ 2613.601839][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2613.601839][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.601839][T12167]      ___sys_sendmsg+0xee/0x170
[ 2613.601839][T12167]      __sys_sendmsg+0xcd/0x170
[ 2613.601839][T12167]      do_syscall_64+0xc6/0x1e0
[ 2613.601839][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.601839][T12167] 
[ 2613.603736][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2613.603736][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2613.603736][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2613.603736][T12167]      ipv6_find_idev+0x102/0x170
[ 2613.603736][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.603736][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.603736][T12167]      netlink_rcv_skb+0x130/0x360
[ 2613.603736][T12167]      netlink_unicast+0x449/0x710
[ 2613.603736][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2613.603736][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.603736][T12167]      ___sys_sendmsg+0xee/0x170
[ 2613.603736][T12167]      __sys_sendmsg+0xcd/0x170
[ 2613.603736][T12167]      do_syscall_64+0xc6/0x1e0
[ 2613.603736][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.603736][T12167] 
[ 2624.334896][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2624.335428][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2624.335428][T12167]      netdev_get_by_index+0x5e/0x80
[ 2624.335428][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2624.335428][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2624.335428][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2624.335428][T12167]      ipv6_add_addr+0x411/0x2000
[ 2624.335428][T12167]      inet6_addr_add+0x30e/0xa40
[ 2624.335428][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2624.335428][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.335428][T12167]      netlink_rcv_skb+0x130/0x360
[ 2624.335428][T12167]      netlink_unicast+0x449/0x710
[ 2624.335428][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2624.335428][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.335428][T12167]      ___sys_sendmsg+0xee/0x170
[ 2624.335428][T12167]      __sys_sendmsg+0xcd/0x170
[ 2624.335428][T12167]      do_syscall_64+0xc6/0x1e0
[ 2624.335428][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.335428][T12167] 
[ 2624.337724][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2624.337724][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2624.337724][T12167]      ipv6_find_idev+0x102/0x170
[ 2624.337724][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2624.337724][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.337724][T12167]      netlink_rcv_skb+0x130/0x360
[ 2624.337724][T12167]      netlink_unicast+0x449/0x710
[ 2624.337724][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2624.337724][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.337724][T12167]      ___sys_sendmsg+0xee/0x170
[ 2624.337724][T12167]      __sys_sendmsg+0xcd/0x170
[ 2624.337724][T12167]      do_syscall_64+0xc6/0x1e0
[ 2624.337724][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.337724][T12167] 
[ 2624.339506][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2624.339506][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2624.339506][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2624.339506][T12167]      ipv6_find_idev+0x102/0x170
[ 2624.339506][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2624.339506][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.339506][T12167]      netlink_rcv_skb+0x130/0x360
[ 2624.339506][T12167]      netlink_unicast+0x449/0x710
[ 2624.339506][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2624.339506][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.339506][T12167]      ___sys_sendmsg+0xee/0x170
[ 2624.339506][T12167]      __sys_sendmsg+0xcd/0x170
[ 2624.339506][T12167]      do_syscall_64+0xc6/0x1e0
[ 2624.339506][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.339506][T12167] 
[ 2634.502794][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2634.503296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2634.503296][T12167]      netdev_get_by_index+0x5e/0x80
[ 2634.503296][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2634.503296][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2634.503296][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2634.503296][T12167]      ipv6_add_addr+0x411/0x2000
[ 2634.503296][T12167]      inet6_addr_add+0x30e/0xa40
[ 2634.503296][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.503296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.503296][T12167]      netlink_rcv_skb+0x130/0x360
[ 2634.503296][T12167]      netlink_unicast+0x449/0x710
[ 2634.503296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2634.503296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.503296][T12167]      ___sys_sendmsg+0xee/0x170
[ 2634.503296][T12167]      __sys_sendmsg+0xcd/0x170
[ 2634.503296][T12167]      do_syscall_64+0xc6/0x1e0
[ 2634.503296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.503296][T12167] 
[ 2634.505784][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2634.505784][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2634.505784][T12167]      ipv6_find_idev+0x102/0x170
[ 2634.505784][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.505784][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.505784][T12167]      netlink_rcv_skb+0x130/0x360
[ 2634.505784][T12167]      netlink_unicast+0x449/0x710
[ 2634.505784][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2634.505784][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.505784][T12167]      ___sys_sendmsg+0xee/0x170
[ 2634.505784][T12167]      __sys_sendmsg+0xcd/0x170
[ 2634.505784][T12167]      do_syscall_64+0xc6/0x1e0
[ 2634.505784][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.505784][T12167] 
[ 2634.507682][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2634.507682][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2634.507682][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2634.507682][T12167]      ipv6_find_idev+0x102/0x170
[ 2634.507682][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.507682][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.507682][T12167]      netlink_rcv_skb+0x130/0x360
[ 2634.507682][T12167]      netlink_unicast+0x449/0x710
[ 2634.507682][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2634.507682][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.507682][T12167]      ___sys_sendmsg+0xee/0x170
[ 2634.507682][T12167]      __sys_sendmsg+0xcd/0x170
[ 2634.507682][T12167]      do_syscall_64+0xc6/0x1e0
[ 2634.507682][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.507682][T12167] 
[ 2644.550775][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2644.551303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2644.551303][T12167]      netdev_get_by_index+0x5e/0x80
[ 2644.551303][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2644.551303][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2644.551303][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2644.551303][T12167]      ipv6_add_addr+0x411/0x2000
[ 2644.551303][T12167]      inet6_addr_add+0x30e/0xa40
[ 2644.551303][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.551303][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.551303][T12167]      netlink_rcv_skb+0x130/0x360
[ 2644.551303][T12167]      netlink_unicast+0x449/0x710
[ 2644.551303][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2644.551303][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.551303][T12167]      ___sys_sendmsg+0xee/0x170
[ 2644.551303][T12167]      __sys_sendmsg+0xcd/0x170
[ 2644.551303][T12167]      do_syscall_64+0xc6/0x1e0
[ 2644.551303][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.551303][T12167] 
[ 2644.553607][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2644.553607][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2644.553607][T12167]      ipv6_find_idev+0x102/0x170
[ 2644.553607][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.553607][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.553607][T12167]      netlink_rcv_skb+0x130/0x360
[ 2644.553607][T12167]      netlink_unicast+0x449/0x710
[ 2644.553607][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2644.553607][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.553607][T12167]      ___sys_sendmsg+0xee/0x170
[ 2644.553607][T12167]      __sys_sendmsg+0xcd/0x170
[ 2644.553607][T12167]      do_syscall_64+0xc6/0x1e0
[ 2644.553607][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.553607][T12167] 
[ 2644.555360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2644.555360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2644.555360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2644.555360][T12167]      ipv6_find_idev+0x102/0x170
[ 2644.555360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.555360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.555360][T12167]      netlink_rcv_skb+0x130/0x360
[ 2644.555360][T12167]      netlink_unicast+0x449/0x710
[ 2644.555360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2644.555360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.555360][T12167]      ___sys_sendmsg+0xee/0x170
[ 2644.555360][T12167]      __sys_sendmsg+0xcd/0x170
[ 2644.555360][T12167]      do_syscall_64+0xc6/0x1e0
[ 2644.555360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.555360][T12167] 
[ 2654.798880][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2654.799336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2654.799336][T12167]      netdev_get_by_index+0x5e/0x80
[ 2654.799336][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2654.799336][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2654.799336][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2654.799336][T12167]      ipv6_add_addr+0x411/0x2000
[ 2654.799336][T12167]      inet6_addr_add+0x30e/0xa40
[ 2654.799336][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.799336][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.799336][T12167]      netlink_rcv_skb+0x130/0x360
[ 2654.799336][T12167]      netlink_unicast+0x449/0x710
[ 2654.799336][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2654.799336][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.799336][T12167]      ___sys_sendmsg+0xee/0x170
[ 2654.799336][T12167]      __sys_sendmsg+0xcd/0x170
[ 2654.799336][T12167]      do_syscall_64+0xc6/0x1e0
[ 2654.799336][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.799336][T12167] 
[ 2654.801654][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2654.801654][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2654.801654][T12167]      ipv6_find_idev+0x102/0x170
[ 2654.801654][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.801654][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.801654][T12167]      netlink_rcv_skb+0x130/0x360
[ 2654.801654][T12167]      netlink_unicast+0x449/0x710
[ 2654.801654][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2654.801654][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.801654][T12167]      ___sys_sendmsg+0xee/0x170
[ 2654.801654][T12167]      __sys_sendmsg+0xcd/0x170
[ 2654.801654][T12167]      do_syscall_64+0xc6/0x1e0
[ 2654.801654][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.801654][T12167] 
[ 2654.803429][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2654.803429][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2654.803429][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2654.803429][T12167]      ipv6_find_idev+0x102/0x170
[ 2654.803429][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.803429][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.803429][T12167]      netlink_rcv_skb+0x130/0x360
[ 2654.803429][T12167]      netlink_unicast+0x449/0x710
[ 2654.803429][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2654.803429][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.803429][T12167]      ___sys_sendmsg+0xee/0x170
[ 2654.803429][T12167]      __sys_sendmsg+0xcd/0x170
[ 2654.803429][T12167]      do_syscall_64+0xc6/0x1e0
[ 2654.803429][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.803429][T12167] 
[ 2665.046786][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2665.047240][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2665.047240][T12167]      netdev_get_by_index+0x5e/0x80
[ 2665.047240][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2665.047240][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2665.047240][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2665.047240][T12167]      ipv6_add_addr+0x411/0x2000
[ 2665.047240][T12167]      inet6_addr_add+0x30e/0xa40
[ 2665.047240][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2665.047240][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2665.047240][T12167]      netlink_rcv_skb+0x130/0x360
[ 2665.047240][T12167]      netlink_unicast+0x449/0x710
[ 2665.047240][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2665.047240][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2665.047240][T12167]      ___sys_sendmsg+0xee/0x170
[ 2665.047240][T12167]      __sys_sendmsg+0xcd/0x170
[ 2665.047240][T12167]      do_syscall_64+0xc6/0x1e0
[ 2665.047240][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2665.047240][T12167] 
[ 2665.049494][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2665.049494][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2665.049494][T12167]      ipv6_find_idev+0x102/0x170
[ 2665.049494][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2665.049494][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2665.049494][T12167]      netlink_rcv_skb+0x130/0x360
[ 2665.049494][T12167]      netlink_unicast+0x449/0x710
[ 2665.049494][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2665.049494][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2665.049494][T12167]      ___sys_sendmsg+0xee/0x170
[ 2665.049494][T12167]      __sys_sendmsg+0xcd/0x170
[ 2665.049494][T12167]      do_syscall_64+0xc6/0x1e0
[ 2665.049494][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2665.049494][T12167] 
[ 2665.051396][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2665.051396][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2665.051396][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2665.051396][T12167]      ipv6_find_idev+0x102/0x170
[ 2665.051396][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2665.051396][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2665.051396][T12167]      netlink_rcv_skb+0x130/0x360
[ 2665.051396][T12167]      netlink_unicast+0x449/0x710
[ 2665.051396][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2665.051396][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2665.051396][T12167]      ___sys_sendmsg+0xee/0x170
[ 2665.051396][T12167]      __sys_sendmsg+0xcd/0x170
[ 2665.051396][T12167]      do_syscall_64+0xc6/0x1e0
[ 2665.051396][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2665.051396][T12167] 
[ 2675.294821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2675.295309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2675.295309][T12167]      netdev_get_by_index+0x5e/0x80
[ 2675.295309][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2675.295309][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2675.295309][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2675.295309][T12167]      ipv6_add_addr+0x411/0x2000
[ 2675.295309][T12167]      inet6_addr_add+0x30e/0xa40
[ 2675.295309][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2675.295309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.295309][T12167]      netlink_rcv_skb+0x130/0x360
[ 2675.295309][T12167]      netlink_unicast+0x449/0x710
[ 2675.295309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2675.295309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.295309][T12167]      ___sys_sendmsg+0xee/0x170
[ 2675.295309][T12167]      __sys_sendmsg+0xcd/0x170
[ 2675.295309][T12167]      do_syscall_64+0xc6/0x1e0
[ 2675.295309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.295309][T12167] 
[ 2675.297771][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2675.297771][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2675.297771][T12167]      ipv6_find_idev+0x102/0x170
[ 2675.297771][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2675.297771][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.297771][T12167]      netlink_rcv_skb+0x130/0x360
[ 2675.297771][T12167]      netlink_unicast+0x449/0x710
[ 2675.297771][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2675.297771][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.297771][T12167]      ___sys_sendmsg+0xee/0x170
[ 2675.297771][T12167]      __sys_sendmsg+0xcd/0x170
[ 2675.297771][T12167]      do_syscall_64+0xc6/0x1e0
[ 2675.297771][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.297771][T12167] 
[ 2675.299685][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2675.299685][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2675.299685][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2675.299685][T12167]      ipv6_find_idev+0x102/0x170
[ 2675.299685][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2675.299685][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2675.299685][T12167]      netlink_rcv_skb+0x130/0x360
[ 2675.299685][T12167]      netlink_unicast+0x449/0x710
[ 2675.299685][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2675.299685][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2675.299685][T12167]      ___sys_sendmsg+0xee/0x170
[ 2675.299685][T12167]      __sys_sendmsg+0xcd/0x170
[ 2675.299685][T12167]      do_syscall_64+0xc6/0x1e0
[ 2675.299685][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2675.299685][T12167] 
[ 2685.542793][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2685.543308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2685.543308][T12167]      netdev_get_by_index+0x5e/0x80
[ 2685.543308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2685.543308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2685.543308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2685.543308][T12167]      ipv6_add_addr+0x411/0x2000
[ 2685.543308][T12167]      inet6_addr_add+0x30e/0xa40
[ 2685.543308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2685.543308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.543308][T12167]      netlink_rcv_skb+0x130/0x360
[ 2685.543308][T12167]      netlink_unicast+0x449/0x710
[ 2685.543308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2685.543308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.543308][T12167]      ___sys_sendmsg+0xee/0x170
[ 2685.543308][T12167]      __sys_sendmsg+0xcd/0x170
[ 2685.543308][T12167]      do_syscall_64+0xc6/0x1e0
[ 2685.543308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.543308][T12167] 
[ 2685.545875][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2685.545875][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2685.545875][T12167]      ipv6_find_idev+0x102/0x170
[ 2685.545875][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2685.545875][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.545875][T12167]      netlink_rcv_skb+0x130/0x360
[ 2685.545875][T12167]      netlink_unicast+0x449/0x710
[ 2685.545875][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2685.545875][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.545875][T12167]      ___sys_sendmsg+0xee/0x170
[ 2685.545875][T12167]      __sys_sendmsg+0xcd/0x170
[ 2685.545875][T12167]      do_syscall_64+0xc6/0x1e0
[ 2685.545875][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.545875][T12167] 
[ 2685.547821][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2685.547821][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2685.547821][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2685.547821][T12167]      ipv6_find_idev+0x102/0x170
[ 2685.547821][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2685.547821][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2685.547821][T12167]      netlink_rcv_skb+0x130/0x360
[ 2685.547821][T12167]      netlink_unicast+0x449/0x710
[ 2685.547821][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2685.547821][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2685.547821][T12167]      ___sys_sendmsg+0xee/0x170
[ 2685.547821][T12167]      __sys_sendmsg+0xcd/0x170
[ 2685.547821][T12167]      do_syscall_64+0xc6/0x1e0
[ 2685.547821][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2685.547821][T12167] 
[ 2695.790857][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2695.791323][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2695.791323][T12167]      netdev_get_by_index+0x5e/0x80
[ 2695.791323][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2695.791323][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2695.791323][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2695.791323][T12167]      ipv6_add_addr+0x411/0x2000
[ 2695.791323][T12167]      inet6_addr_add+0x30e/0xa40
[ 2695.791323][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.791323][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.791323][T12167]      netlink_rcv_skb+0x130/0x360
[ 2695.791323][T12167]      netlink_unicast+0x449/0x710
[ 2695.791323][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2695.791323][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.791323][T12167]      ___sys_sendmsg+0xee/0x170
[ 2695.791323][T12167]      __sys_sendmsg+0xcd/0x170
[ 2695.791323][T12167]      do_syscall_64+0xc6/0x1e0
[ 2695.791323][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.791323][T12167] 
[ 2695.793643][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2695.793643][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2695.793643][T12167]      ipv6_find_idev+0x102/0x170
[ 2695.793643][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.793643][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.793643][T12167]      netlink_rcv_skb+0x130/0x360
[ 2695.793643][T12167]      netlink_unicast+0x449/0x710
[ 2695.793643][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2695.793643][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.793643][T12167]      ___sys_sendmsg+0xee/0x170
[ 2695.793643][T12167]      __sys_sendmsg+0xcd/0x170
[ 2695.793643][T12167]      do_syscall_64+0xc6/0x1e0
[ 2695.793643][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.793643][T12167] 
[ 2695.795398][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2695.795398][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2695.795398][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2695.795398][T12167]      ipv6_find_idev+0x102/0x170
[ 2695.795398][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.795398][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.795398][T12167]      netlink_rcv_skb+0x130/0x360
[ 2695.795398][T12167]      netlink_unicast+0x449/0x710
[ 2695.795398][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2695.795398][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.795398][T12167]      ___sys_sendmsg+0xee/0x170
[ 2695.795398][T12167]      __sys_sendmsg+0xcd/0x170
[ 2695.795398][T12167]      do_syscall_64+0xc6/0x1e0
[ 2695.795398][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.795398][T12167] 
[ 2706.038760][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2706.039301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2706.039301][T12167]      netdev_get_by_index+0x5e/0x80
[ 2706.039301][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2706.039301][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2706.039301][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2706.039301][T12167]      ipv6_add_addr+0x411/0x2000
[ 2706.039301][T12167]      inet6_addr_add+0x30e/0xa40
[ 2706.039301][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2706.039301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2706.039301][T12167]      netlink_rcv_skb+0x130/0x360
[ 2706.039301][T12167]      netlink_unicast+0x449/0x710
[ 2706.039301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2706.039301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2706.039301][T12167]      ___sys_sendmsg+0xee/0x170
[ 2706.039301][T12167]      __sys_sendmsg+0xcd/0x170
[ 2706.039301][T12167]      do_syscall_64+0xc6/0x1e0
[ 2706.039301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2706.039301][T12167] 
[ 2706.041733][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2706.041733][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2706.041733][T12167]      ipv6_find_idev+0x102/0x170
[ 2706.041733][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2706.041733][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2706.041733][T12167]      netlink_rcv_skb+0x130/0x360
[ 2706.041733][T12167]      netlink_unicast+0x449/0x710
[ 2706.041733][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2706.041733][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2706.041733][T12167]      ___sys_sendmsg+0xee/0x170
[ 2706.041733][T12167]      __sys_sendmsg+0xcd/0x170
[ 2706.041733][T12167]      do_syscall_64+0xc6/0x1e0
[ 2706.041733][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2706.041733][T12167] 
[ 2706.043645][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2706.043645][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2706.043645][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2706.043645][T12167]      ipv6_find_idev+0x102/0x170
[ 2706.043645][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2706.043645][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2706.043645][T12167]      netlink_rcv_skb+0x130/0x360
[ 2706.043645][T12167]      netlink_unicast+0x449/0x710
[ 2706.043645][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2706.043645][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2706.043645][T12167]      ___sys_sendmsg+0xee/0x170
[ 2706.043645][T12167]      __sys_sendmsg+0xcd/0x170
[ 2706.043645][T12167]      do_syscall_64+0xc6/0x1e0
[ 2706.043645][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2706.043645][T12167] 
[ 2716.286789][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2716.287393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2716.287393][T12167]      netdev_get_by_index+0x5e/0x80
[ 2716.287393][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2716.287393][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2716.287393][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2716.287393][T12167]      ipv6_add_addr+0x411/0x2000
[ 2716.287393][T12167]      inet6_addr_add+0x30e/0xa40
[ 2716.287393][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2716.287393][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.287393][T12167]      netlink_rcv_skb+0x130/0x360
[ 2716.287393][T12167]      netlink_unicast+0x449/0x710
[ 2716.287393][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2716.287393][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.287393][T12167]      ___sys_sendmsg+0xee/0x170
[ 2716.287393][T12167]      __sys_sendmsg+0xcd/0x170
[ 2716.287393][T12167]      do_syscall_64+0xc6/0x1e0
[ 2716.287393][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.287393][T12167] 
[ 2716.291112][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2716.291112][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2716.291112][T12167]      ipv6_find_idev+0x102/0x170
[ 2716.291112][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2716.291112][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.291112][T12167]      netlink_rcv_skb+0x130/0x360
[ 2716.291112][T12167]      netlink_unicast+0x449/0x710
[ 2716.291112][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2716.291112][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.291112][T12167]      ___sys_sendmsg+0xee/0x170
[ 2716.291112][T12167]      __sys_sendmsg+0xcd/0x170
[ 2716.291112][T12167]      do_syscall_64+0xc6/0x1e0
[ 2716.291112][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.291112][T12167] 
[ 2716.293984][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2716.293984][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2716.293984][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2716.293984][T12167]      ipv6_find_idev+0x102/0x170
[ 2716.293984][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2716.293984][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2716.293984][T12167]      netlink_rcv_skb+0x130/0x360
[ 2716.293984][T12167]      netlink_unicast+0x449/0x710
[ 2716.293984][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2716.293984][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2716.293984][T12167]      ___sys_sendmsg+0xee/0x170
[ 2716.293984][T12167]      __sys_sendmsg+0xcd/0x170
[ 2716.293984][T12167]      do_syscall_64+0xc6/0x1e0
[ 2716.293984][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2716.293984][T12167] 
[ 2726.374757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2726.375275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2726.375275][T12167]      netdev_get_by_index+0x5e/0x80
[ 2726.375275][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2726.375275][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2726.375275][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2726.375275][T12167]      ipv6_add_addr+0x411/0x2000
[ 2726.375275][T12167]      inet6_addr_add+0x30e/0xa40
[ 2726.375275][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2726.375275][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.375275][T12167]      netlink_rcv_skb+0x130/0x360
[ 2726.375275][T12167]      netlink_unicast+0x449/0x710
[ 2726.375275][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2726.375275][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.375275][T12167]      ___sys_sendmsg+0xee/0x170
[ 2726.375275][T12167]      __sys_sendmsg+0xcd/0x170
[ 2726.375275][T12167]      do_syscall_64+0xc6/0x1e0
[ 2726.375275][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.375275][T12167] 
[ 2726.377554][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2726.377554][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2726.377554][T12167]      ipv6_find_idev+0x102/0x170
[ 2726.377554][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2726.377554][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.377554][T12167]      netlink_rcv_skb+0x130/0x360
[ 2726.377554][T12167]      netlink_unicast+0x449/0x710
[ 2726.377554][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2726.377554][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.377554][T12167]      ___sys_sendmsg+0xee/0x170
[ 2726.377554][T12167]      __sys_sendmsg+0xcd/0x170
[ 2726.377554][T12167]      do_syscall_64+0xc6/0x1e0
[ 2726.377554][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.377554][T12167] 
[ 2726.379303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2726.379303][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2726.379303][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2726.379303][T12167]      ipv6_find_idev+0x102/0x170
[ 2726.379303][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2726.379303][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2726.379303][T12167]      netlink_rcv_skb+0x130/0x360
[ 2726.379303][T12167]      netlink_unicast+0x449/0x710
[ 2726.379303][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2726.379303][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2726.379303][T12167]      ___sys_sendmsg+0xee/0x170
[ 2726.379303][T12167]      __sys_sendmsg+0xcd/0x170
[ 2726.379303][T12167]      do_syscall_64+0xc6/0x1e0
[ 2726.379303][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2726.379303][T12167] 
[ 2736.622826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2736.623342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2736.623342][T12167]      netdev_get_by_index+0x5e/0x80
[ 2736.623342][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2736.623342][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2736.623342][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2736.623342][T12167]      ipv6_add_addr+0x411/0x2000
[ 2736.623342][T12167]      inet6_addr_add+0x30e/0xa40
[ 2736.623342][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2736.623342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.623342][T12167]      netlink_rcv_skb+0x130/0x360
[ 2736.623342][T12167]      netlink_unicast+0x449/0x710
[ 2736.623342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2736.623342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.623342][T12167]      ___sys_sendmsg+0xee/0x170
[ 2736.623342][T12167]      __sys_sendmsg+0xcd/0x170
[ 2736.623342][T12167]      do_syscall_64+0xc6/0x1e0
[ 2736.623342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.623342][T12167] 
[ 2736.625675][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2736.625675][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2736.625675][T12167]      ipv6_find_idev+0x102/0x170
[ 2736.625675][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2736.625675][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.625675][T12167]      netlink_rcv_skb+0x130/0x360
[ 2736.625675][T12167]      netlink_unicast+0x449/0x710
[ 2736.625675][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2736.625675][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.625675][T12167]      ___sys_sendmsg+0xee/0x170
[ 2736.625675][T12167]      __sys_sendmsg+0xcd/0x170
[ 2736.625675][T12167]      do_syscall_64+0xc6/0x1e0
[ 2736.625675][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.625675][T12167] 
[ 2736.627437][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2736.627437][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2736.627437][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2736.627437][T12167]      ipv6_find_idev+0x102/0x170
[ 2736.627437][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2736.627437][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2736.627437][T12167]      netlink_rcv_skb+0x130/0x360
[ 2736.627437][T12167]      netlink_unicast+0x449/0x710
[ 2736.627437][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2736.627437][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2736.627437][T12167]      ___sys_sendmsg+0xee/0x170
[ 2736.627437][T12167]      __sys_sendmsg+0xcd/0x170
[ 2736.627437][T12167]      do_syscall_64+0xc6/0x1e0
[ 2736.627437][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2736.627437][T12167] 
[ 2746.870764][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2746.871372][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2746.871372][T12167]      netdev_get_by_index+0x5e/0x80
[ 2746.871372][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2746.871372][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2746.871372][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2746.871372][T12167]      ipv6_add_addr+0x411/0x2000
[ 2746.871372][T12167]      inet6_addr_add+0x30e/0xa40
[ 2746.871372][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2746.871372][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.871372][T12167]      netlink_rcv_skb+0x130/0x360
[ 2746.871372][T12167]      netlink_unicast+0x449/0x710
[ 2746.871372][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2746.871372][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.871372][T12167]      ___sys_sendmsg+0xee/0x170
[ 2746.871372][T12167]      __sys_sendmsg+0xcd/0x170
[ 2746.871372][T12167]      do_syscall_64+0xc6/0x1e0
[ 2746.871372][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.871372][T12167] 
[ 2746.875084][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2746.875084][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2746.875084][T12167]      ipv6_find_idev+0x102/0x170
[ 2746.875084][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2746.875084][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.875084][T12167]      netlink_rcv_skb+0x130/0x360
[ 2746.875084][T12167]      netlink_unicast+0x449/0x710
[ 2746.875084][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2746.875084][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.875084][T12167]      ___sys_sendmsg+0xee/0x170
[ 2746.875084][T12167]      __sys_sendmsg+0xcd/0x170
[ 2746.875084][T12167]      do_syscall_64+0xc6/0x1e0
[ 2746.875084][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.875084][T12167] 
[ 2746.877953][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2746.877953][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2746.877953][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2746.877953][T12167]      ipv6_find_idev+0x102/0x170
[ 2746.877953][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2746.877953][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2746.877953][T12167]      netlink_rcv_skb+0x130/0x360
[ 2746.877953][T12167]      netlink_unicast+0x449/0x710
[ 2746.877953][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2746.877953][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2746.877953][T12167]      ___sys_sendmsg+0xee/0x170
[ 2746.877953][T12167]      __sys_sendmsg+0xcd/0x170
[ 2746.877953][T12167]      do_syscall_64+0xc6/0x1e0
[ 2746.877953][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2746.877953][T12167] 
[ 2757.126831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2757.127370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2757.127370][T12167]      netdev_get_by_index+0x5e/0x80
[ 2757.127370][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2757.127370][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2757.127370][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2757.127370][T12167]      ipv6_add_addr+0x411/0x2000
[ 2757.127370][T12167]      inet6_addr_add+0x30e/0xa40
[ 2757.127370][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2757.127370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2757.127370][T12167]      netlink_rcv_skb+0x130/0x360
[ 2757.127370][T12167]      netlink_unicast+0x449/0x710
[ 2757.127370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2757.127370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2757.127370][T12167]      ___sys_sendmsg+0xee/0x170
[ 2757.127370][T12167]      __sys_sendmsg+0xcd/0x170
[ 2757.127370][T12167]      do_syscall_64+0xc6/0x1e0
[ 2757.127370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2757.127370][T12167] 
[ 2757.129680][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2757.129680][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2757.129680][T12167]      ipv6_find_idev+0x102/0x170
[ 2757.129680][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2757.129680][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2757.129680][T12167]      netlink_rcv_skb+0x130/0x360
[ 2757.129680][T12167]      netlink_unicast+0x449/0x710
[ 2757.129680][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2757.129680][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2757.129680][T12167]      ___sys_sendmsg+0xee/0x170
[ 2757.129680][T12167]      __sys_sendmsg+0xcd/0x170
[ 2757.129680][T12167]      do_syscall_64+0xc6/0x1e0
[ 2757.129680][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2757.129680][T12167] 
[ 2757.131433][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2757.131433][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2757.131433][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2757.131433][T12167]      ipv6_find_idev+0x102/0x170
[ 2757.131433][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2757.131433][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2757.131433][T12167]      netlink_rcv_skb+0x130/0x360
[ 2757.131433][T12167]      netlink_unicast+0x449/0x710
[ 2757.131433][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2757.131433][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2757.131433][T12167]      ___sys_sendmsg+0xee/0x170
[ 2757.131433][T12167]      __sys_sendmsg+0xcd/0x170
[ 2757.131433][T12167]      do_syscall_64+0xc6/0x1e0
[ 2757.131433][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2757.131433][T12167] 
[ 2767.294796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2767.295515][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2767.295515][T12167]      netdev_get_by_index+0x5e/0x80
[ 2767.295515][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2767.295515][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2767.295515][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2767.295515][T12167]      ipv6_add_addr+0x411/0x2000
[ 2767.295515][T12167]      inet6_addr_add+0x30e/0xa40
[ 2767.295515][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2767.295515][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.295515][T12167]      netlink_rcv_skb+0x130/0x360
[ 2767.295515][T12167]      netlink_unicast+0x449/0x710
[ 2767.295515][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2767.295515][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.295515][T12167]      ___sys_sendmsg+0xee/0x170
[ 2767.295515][T12167]      __sys_sendmsg+0xcd/0x170
[ 2767.295515][T12167]      do_syscall_64+0xc6/0x1e0
[ 2767.295515][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.295515][T12167] 
[ 2767.299139][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2767.299139][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2767.299139][T12167]      ipv6_find_idev+0x102/0x170
[ 2767.299139][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2767.299139][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.299139][T12167]      netlink_rcv_skb+0x130/0x360
[ 2767.299139][T12167]      netlink_unicast+0x449/0x710
[ 2767.299139][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2767.299139][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.299139][T12167]      ___sys_sendmsg+0xee/0x170
[ 2767.299139][T12167]      __sys_sendmsg+0xcd/0x170
[ 2767.299139][T12167]      do_syscall_64+0xc6/0x1e0
[ 2767.299139][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.299139][T12167] 
[ 2767.301877][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2767.301877][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2767.301877][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2767.301877][T12167]      ipv6_find_idev+0x102/0x170
[ 2767.301877][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2767.301877][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2767.301877][T12167]      netlink_rcv_skb+0x130/0x360
[ 2767.301877][T12167]      netlink_unicast+0x449/0x710
[ 2767.301877][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2767.301877][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2767.301877][T12167]      ___sys_sendmsg+0xee/0x170
[ 2767.301877][T12167]      __sys_sendmsg+0xcd/0x170
[ 2767.301877][T12167]      do_syscall_64+0xc6/0x1e0
[ 2767.301877][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2767.301877][T12167] 
[ 2777.542791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2777.543314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2777.543314][T12167]      netdev_get_by_index+0x5e/0x80
[ 2777.543314][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2777.543314][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2777.543314][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2777.543314][T12167]      ipv6_add_addr+0x411/0x2000
[ 2777.543314][T12167]      inet6_addr_add+0x30e/0xa40
[ 2777.543314][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2777.543314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.543314][T12167]      netlink_rcv_skb+0x130/0x360
[ 2777.543314][T12167]      netlink_unicast+0x449/0x710
[ 2777.543314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2777.543314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.543314][T12167]      ___sys_sendmsg+0xee/0x170
[ 2777.543314][T12167]      __sys_sendmsg+0xcd/0x170
[ 2777.543314][T12167]      do_syscall_64+0xc6/0x1e0
[ 2777.543314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.543314][T12167] 
[ 2777.545609][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2777.545609][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2777.545609][T12167]      ipv6_find_idev+0x102/0x170
[ 2777.545609][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2777.545609][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.545609][T12167]      netlink_rcv_skb+0x130/0x360
[ 2777.545609][T12167]      netlink_unicast+0x449/0x710
[ 2777.545609][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2777.545609][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.545609][T12167]      ___sys_sendmsg+0xee/0x170
[ 2777.545609][T12167]      __sys_sendmsg+0xcd/0x170
[ 2777.545609][T12167]      do_syscall_64+0xc6/0x1e0
[ 2777.545609][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.545609][T12167] 
[ 2777.547350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2777.547350][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2777.547350][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2777.547350][T12167]      ipv6_find_idev+0x102/0x170
[ 2777.547350][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2777.547350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2777.547350][T12167]      netlink_rcv_skb+0x130/0x360
[ 2777.547350][T12167]      netlink_unicast+0x449/0x710
[ 2777.547350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2777.547350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2777.547350][T12167]      ___sys_sendmsg+0xee/0x170
[ 2777.547350][T12167]      __sys_sendmsg+0xcd/0x170
[ 2777.547350][T12167]      do_syscall_64+0xc6/0x1e0
[ 2777.547350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2777.547350][T12167] 
[ 2787.790801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2787.791324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2787.791324][T12167]      netdev_get_by_index+0x5e/0x80
[ 2787.791324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2787.791324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2787.791324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2787.791324][T12167]      ipv6_add_addr+0x411/0x2000
[ 2787.791324][T12167]      inet6_addr_add+0x30e/0xa40
[ 2787.791324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2787.791324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.791324][T12167]      netlink_rcv_skb+0x130/0x360
[ 2787.791324][T12167]      netlink_unicast+0x449/0x710
[ 2787.791324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2787.791324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.791324][T12167]      ___sys_sendmsg+0xee/0x170
[ 2787.791324][T12167]      __sys_sendmsg+0xcd/0x170
[ 2787.791324][T12167]      do_syscall_64+0xc6/0x1e0
[ 2787.791324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.791324][T12167] 
[ 2787.793624][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2787.793624][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2787.793624][T12167]      ipv6_find_idev+0x102/0x170
[ 2787.793624][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2787.793624][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.793624][T12167]      netlink_rcv_skb+0x130/0x360
[ 2787.793624][T12167]      netlink_unicast+0x449/0x710
[ 2787.793624][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2787.793624][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.793624][T12167]      ___sys_sendmsg+0xee/0x170
[ 2787.793624][T12167]      __sys_sendmsg+0xcd/0x170
[ 2787.793624][T12167]      do_syscall_64+0xc6/0x1e0
[ 2787.793624][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.793624][T12167] 
[ 2787.795375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2787.795375][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2787.795375][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2787.795375][T12167]      ipv6_find_idev+0x102/0x170
[ 2787.795375][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2787.795375][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2787.795375][T12167]      netlink_rcv_skb+0x130/0x360
[ 2787.795375][T12167]      netlink_unicast+0x449/0x710
[ 2787.795375][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2787.795375][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2787.795375][T12167]      ___sys_sendmsg+0xee/0x170
[ 2787.795375][T12167]      __sys_sendmsg+0xcd/0x170
[ 2787.795375][T12167]      do_syscall_64+0xc6/0x1e0
[ 2787.795375][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2787.795375][T12167] 
[ 2798.038829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2798.039387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2798.039387][T12167]      netdev_get_by_index+0x5e/0x80
[ 2798.039387][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2798.039387][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2798.039387][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2798.039387][T12167]      ipv6_add_addr+0x411/0x2000
[ 2798.039387][T12167]      inet6_addr_add+0x30e/0xa40
[ 2798.039387][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2798.039387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2798.039387][T12167]      netlink_rcv_skb+0x130/0x360
[ 2798.039387][T12167]      netlink_unicast+0x449/0x710
[ 2798.039387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2798.039387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2798.039387][T12167]      ___sys_sendmsg+0xee/0x170
[ 2798.039387][T12167]      __sys_sendmsg+0xcd/0x170
[ 2798.039387][T12167]      do_syscall_64+0xc6/0x1e0
[ 2798.039387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2798.039387][T12167] 
[ 2798.043103][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2798.043103][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2798.043103][T12167]      ipv6_find_idev+0x102/0x170
[ 2798.043103][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2798.043103][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2798.043103][T12167]      netlink_rcv_skb+0x130/0x360
[ 2798.043103][T12167]      netlink_unicast+0x449/0x710
[ 2798.043103][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2798.043103][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2798.043103][T12167]      ___sys_sendmsg+0xee/0x170
[ 2798.043103][T12167]      __sys_sendmsg+0xcd/0x170
[ 2798.043103][T12167]      do_syscall_64+0xc6/0x1e0
[ 2798.043103][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2798.043103][T12167] 
[ 2798.045986][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2798.045986][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2798.045986][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2798.045986][T12167]      ipv6_find_idev+0x102/0x170
[ 2798.045986][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2798.045986][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2798.045986][T12167]      netlink_rcv_skb+0x130/0x360
[ 2798.045986][T12167]      netlink_unicast+0x449/0x710
[ 2798.045986][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2798.045986][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2798.045986][T12167]      ___sys_sendmsg+0xee/0x170
[ 2798.045986][T12167]      __sys_sendmsg+0xcd/0x170
[ 2798.045986][T12167]      do_syscall_64+0xc6/0x1e0
[ 2798.045986][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2798.045986][T12167] 
[ 2808.214790][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2808.215342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2808.215342][T12167]      netdev_get_by_index+0x5e/0x80
[ 2808.215342][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2808.215342][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2808.215342][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2808.215342][T12167]      ipv6_add_addr+0x411/0x2000
[ 2808.215342][T12167]      inet6_addr_add+0x30e/0xa40
[ 2808.215342][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2808.215342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.215342][T12167]      netlink_rcv_skb+0x130/0x360
[ 2808.215342][T12167]      netlink_unicast+0x449/0x710
[ 2808.215342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2808.215342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.215342][T12167]      ___sys_sendmsg+0xee/0x170
[ 2808.215342][T12167]      __sys_sendmsg+0xcd/0x170
[ 2808.215342][T12167]      do_syscall_64+0xc6/0x1e0
[ 2808.215342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.215342][T12167] 
[ 2808.217642][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2808.217642][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2808.217642][T12167]      ipv6_find_idev+0x102/0x170
[ 2808.217642][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2808.217642][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.217642][T12167]      netlink_rcv_skb+0x130/0x360
[ 2808.217642][T12167]      netlink_unicast+0x449/0x710
[ 2808.217642][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2808.217642][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.217642][T12167]      ___sys_sendmsg+0xee/0x170
[ 2808.217642][T12167]      __sys_sendmsg+0xcd/0x170
[ 2808.217642][T12167]      do_syscall_64+0xc6/0x1e0
[ 2808.217642][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.217642][T12167] 
[ 2808.219401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2808.219401][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2808.219401][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2808.219401][T12167]      ipv6_find_idev+0x102/0x170
[ 2808.219401][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2808.219401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2808.219401][T12167]      netlink_rcv_skb+0x130/0x360
[ 2808.219401][T12167]      netlink_unicast+0x449/0x710
[ 2808.219401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2808.219401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2808.219401][T12167]      ___sys_sendmsg+0xee/0x170
[ 2808.219401][T12167]      __sys_sendmsg+0xcd/0x170
[ 2808.219401][T12167]      do_syscall_64+0xc6/0x1e0
[ 2808.219401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2808.219401][T12167] 
[ 2818.462788][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2818.463266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2818.463266][T12167]      netdev_get_by_index+0x5e/0x80
[ 2818.463266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2818.463266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2818.463266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2818.463266][T12167]      ipv6_add_addr+0x411/0x2000
[ 2818.463266][T12167]      inet6_addr_add+0x30e/0xa40
[ 2818.463266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2818.463266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.463266][T12167]      netlink_rcv_skb+0x130/0x360
[ 2818.463266][T12167]      netlink_unicast+0x449/0x710
[ 2818.463266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2818.463266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.463266][T12167]      ___sys_sendmsg+0xee/0x170
[ 2818.463266][T12167]      __sys_sendmsg+0xcd/0x170
[ 2818.463266][T12167]      do_syscall_64+0xc6/0x1e0
[ 2818.463266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.463266][T12167] 
[ 2818.465732][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2818.465732][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2818.465732][T12167]      ipv6_find_idev+0x102/0x170
[ 2818.465732][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2818.465732][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.465732][T12167]      netlink_rcv_skb+0x130/0x360
[ 2818.465732][T12167]      netlink_unicast+0x449/0x710
[ 2818.465732][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2818.465732][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.465732][T12167]      ___sys_sendmsg+0xee/0x170
[ 2818.465732][T12167]      __sys_sendmsg+0xcd/0x170
[ 2818.465732][T12167]      do_syscall_64+0xc6/0x1e0
[ 2818.465732][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.465732][T12167] 
[ 2818.467617][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2818.467617][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2818.467617][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2818.467617][T12167]      ipv6_find_idev+0x102/0x170
[ 2818.467617][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2818.467617][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2818.467617][T12167]      netlink_rcv_skb+0x130/0x360
[ 2818.467617][T12167]      netlink_unicast+0x449/0x710
[ 2818.467617][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2818.467617][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2818.467617][T12167]      ___sys_sendmsg+0xee/0x170
[ 2818.467617][T12167]      __sys_sendmsg+0xcd/0x170
[ 2818.467617][T12167]      do_syscall_64+0xc6/0x1e0
[ 2818.467617][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2818.467617][T12167] 
[ 2828.710910][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2828.711352][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2828.711352][T12167]      netdev_get_by_index+0x5e/0x80
[ 2828.711352][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2828.711352][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2828.711352][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2828.711352][T12167]      ipv6_add_addr+0x411/0x2000
[ 2828.711352][T12167]      inet6_addr_add+0x30e/0xa40
[ 2828.711352][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2828.711352][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.711352][T12167]      netlink_rcv_skb+0x130/0x360
[ 2828.711352][T12167]      netlink_unicast+0x449/0x710
[ 2828.711352][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2828.711352][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.711352][T12167]      ___sys_sendmsg+0xee/0x170
[ 2828.711352][T12167]      __sys_sendmsg+0xcd/0x170
[ 2828.711352][T12167]      do_syscall_64+0xc6/0x1e0
[ 2828.711352][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.711352][T12167] 
[ 2828.713665][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2828.713665][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2828.713665][T12167]      ipv6_find_idev+0x102/0x170
[ 2828.713665][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2828.713665][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.713665][T12167]      netlink_rcv_skb+0x130/0x360
[ 2828.713665][T12167]      netlink_unicast+0x449/0x710
[ 2828.713665][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2828.713665][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.713665][T12167]      ___sys_sendmsg+0xee/0x170
[ 2828.713665][T12167]      __sys_sendmsg+0xcd/0x170
[ 2828.713665][T12167]      do_syscall_64+0xc6/0x1e0
[ 2828.713665][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.713665][T12167] 
[ 2828.715411][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2828.715411][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2828.715411][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2828.715411][T12167]      ipv6_find_idev+0x102/0x170
[ 2828.715411][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2828.715411][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2828.715411][T12167]      netlink_rcv_skb+0x130/0x360
[ 2828.715411][T12167]      netlink_unicast+0x449/0x710
[ 2828.715411][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2828.715411][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2828.715411][T12167]      ___sys_sendmsg+0xee/0x170
[ 2828.715411][T12167]      __sys_sendmsg+0xcd/0x170
[ 2828.715411][T12167]      do_syscall_64+0xc6/0x1e0
[ 2828.715411][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2828.715411][T12167] 
[ 2838.934772][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2838.935297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2838.935297][T12167]      netdev_get_by_index+0x5e/0x80
[ 2838.935297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2838.935297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2838.935297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2838.935297][T12167]      ipv6_add_addr+0x411/0x2000
[ 2838.935297][T12167]      inet6_addr_add+0x30e/0xa40
[ 2838.935297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.935297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.935297][T12167]      netlink_rcv_skb+0x130/0x360
[ 2838.935297][T12167]      netlink_unicast+0x449/0x710
[ 2838.935297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2838.935297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.935297][T12167]      ___sys_sendmsg+0xee/0x170
[ 2838.935297][T12167]      __sys_sendmsg+0xcd/0x170
[ 2838.935297][T12167]      do_syscall_64+0xc6/0x1e0
[ 2838.935297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.935297][T12167] 
[ 2838.937573][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2838.937573][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.937573][T12167]      ipv6_find_idev+0x102/0x170
[ 2838.937573][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.937573][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.937573][T12167]      netlink_rcv_skb+0x130/0x360
[ 2838.937573][T12167]      netlink_unicast+0x449/0x710
[ 2838.937573][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2838.937573][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.937573][T12167]      ___sys_sendmsg+0xee/0x170
[ 2838.937573][T12167]      __sys_sendmsg+0xcd/0x170
[ 2838.937573][T12167]      do_syscall_64+0xc6/0x1e0
[ 2838.937573][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.937573][T12167] 
[ 2838.939328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2838.939328][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2838.939328][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.939328][T12167]      ipv6_find_idev+0x102/0x170
[ 2838.939328][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.939328][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.939328][T12167]      netlink_rcv_skb+0x130/0x360
[ 2838.939328][T12167]      netlink_unicast+0x449/0x710
[ 2838.939328][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2838.939328][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.939328][T12167]      ___sys_sendmsg+0xee/0x170
[ 2838.939328][T12167]      __sys_sendmsg+0xcd/0x170
[ 2838.939328][T12167]      do_syscall_64+0xc6/0x1e0
[ 2838.939328][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.939328][T12167] 
[ 2849.182821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2849.183302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2849.183302][T12167]      netdev_get_by_index+0x5e/0x80
[ 2849.183302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2849.183302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2849.183302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2849.183302][T12167]      ipv6_add_addr+0x411/0x2000
[ 2849.183302][T12167]      inet6_addr_add+0x30e/0xa40
[ 2849.183302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2849.183302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.183302][T12167]      netlink_rcv_skb+0x130/0x360
[ 2849.183302][T12167]      netlink_unicast+0x449/0x710
[ 2849.183302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2849.183302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.183302][T12167]      ___sys_sendmsg+0xee/0x170
[ 2849.183302][T12167]      __sys_sendmsg+0xcd/0x170
[ 2849.183302][T12167]      do_syscall_64+0xc6/0x1e0
[ 2849.183302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.183302][T12167] 
[ 2849.185831][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2849.185831][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2849.185831][T12167]      ipv6_find_idev+0x102/0x170
[ 2849.185831][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2849.185831][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.185831][T12167]      netlink_rcv_skb+0x130/0x360
[ 2849.185831][T12167]      netlink_unicast+0x449/0x710
[ 2849.185831][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2849.185831][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.185831][T12167]      ___sys_sendmsg+0xee/0x170
[ 2849.185831][T12167]      __sys_sendmsg+0xcd/0x170
[ 2849.185831][T12167]      do_syscall_64+0xc6/0x1e0
[ 2849.185831][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.185831][T12167] 
[ 2849.187614][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2849.187614][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2849.187614][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2849.187614][T12167]      ipv6_find_idev+0x102/0x170
[ 2849.187614][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2849.187614][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2849.187614][T12167]      netlink_rcv_skb+0x130/0x360
[ 2849.187614][T12167]      netlink_unicast+0x449/0x710
[ 2849.187614][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2849.187614][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2849.187614][T12167]      ___sys_sendmsg+0xee/0x170
[ 2849.187614][T12167]      __sys_sendmsg+0xcd/0x170
[ 2849.187614][T12167]      do_syscall_64+0xc6/0x1e0
[ 2849.187614][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2849.187614][T12167] 
[ 2859.430843][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2859.431360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2859.431360][T12167]      netdev_get_by_index+0x5e/0x80
[ 2859.431360][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2859.431360][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2859.431360][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2859.431360][T12167]      ipv6_add_addr+0x411/0x2000
[ 2859.431360][T12167]      inet6_addr_add+0x30e/0xa40
[ 2859.431360][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2859.431360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2859.431360][T12167]      netlink_rcv_skb+0x130/0x360
[ 2859.431360][T12167]      netlink_unicast+0x449/0x710
[ 2859.431360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2859.431360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2859.431360][T12167]      ___sys_sendmsg+0xee/0x170
[ 2859.431360][T12167]      __sys_sendmsg+0xcd/0x170
[ 2859.431360][T12167]      do_syscall_64+0xc6/0x1e0
[ 2859.431360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2859.431360][T12167] 
[ 2859.433700][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2859.433700][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2859.433700][T12167]      ipv6_find_idev+0x102/0x170
[ 2859.433700][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2859.433700][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2859.433700][T12167]      netlink_rcv_skb+0x130/0x360
[ 2859.433700][T12167]      netlink_unicast+0x449/0x710
[ 2859.433700][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2859.433700][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2859.433700][T12167]      ___sys_sendmsg+0xee/0x170
[ 2859.433700][T12167]      __sys_sendmsg+0xcd/0x170
[ 2859.433700][T12167]      do_syscall_64+0xc6/0x1e0
[ 2859.433700][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2859.433700][T12167] 
[ 2859.435486][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2859.435486][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2859.435486][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2859.435486][T12167]      ipv6_find_idev+0x102/0x170
[ 2859.435486][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2859.435486][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2859.435486][T12167]      netlink_rcv_skb+0x130/0x360
[ 2859.435486][T12167]      netlink_unicast+0x449/0x710
[ 2859.435486][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2859.435486][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2859.435486][T12167]      ___sys_sendmsg+0xee/0x170
[ 2859.435486][T12167]      __sys_sendmsg+0xcd/0x170
[ 2859.435486][T12167]      do_syscall_64+0xc6/0x1e0
[ 2859.435486][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2859.435486][T12167] 
[ 2869.662800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2869.663279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2869.663279][T12167]      netdev_get_by_index+0x5e/0x80
[ 2869.663279][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2869.663279][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2869.663279][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2869.663279][T12167]      ipv6_add_addr+0x411/0x2000
[ 2869.663279][T12167]      inet6_addr_add+0x30e/0xa40
[ 2869.663279][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2869.663279][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.663279][T12167]      netlink_rcv_skb+0x130/0x360
[ 2869.663279][T12167]      netlink_unicast+0x449/0x710
[ 2869.663279][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2869.663279][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.663279][T12167]      ___sys_sendmsg+0xee/0x170
[ 2869.663279][T12167]      __sys_sendmsg+0xcd/0x170
[ 2869.663279][T12167]      do_syscall_64+0xc6/0x1e0
[ 2869.663279][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.663279][T12167] 
[ 2869.665591][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2869.665591][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2869.665591][T12167]      ipv6_find_idev+0x102/0x170
[ 2869.665591][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2869.665591][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.665591][T12167]      netlink_rcv_skb+0x130/0x360
[ 2869.665591][T12167]      netlink_unicast+0x449/0x710
[ 2869.665591][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2869.665591][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.665591][T12167]      ___sys_sendmsg+0xee/0x170
[ 2869.665591][T12167]      __sys_sendmsg+0xcd/0x170
[ 2869.665591][T12167]      do_syscall_64+0xc6/0x1e0
[ 2869.665591][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.665591][T12167] 
[ 2869.667489][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2869.667489][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2869.667489][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2869.667489][T12167]      ipv6_find_idev+0x102/0x170
[ 2869.667489][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2869.667489][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.667489][T12167]      netlink_rcv_skb+0x130/0x360
[ 2869.667489][T12167]      netlink_unicast+0x449/0x710
[ 2869.667489][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2869.667489][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.667489][T12167]      ___sys_sendmsg+0xee/0x170
[ 2869.667489][T12167]      __sys_sendmsg+0xcd/0x170
[ 2869.667489][T12167]      do_syscall_64+0xc6/0x1e0
[ 2869.667489][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.667489][T12167] 
[ 2879.862743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2879.863271][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2879.863271][T12167]      netdev_get_by_index+0x5e/0x80
[ 2879.863271][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2879.863271][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2879.863271][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2879.863271][T12167]      ipv6_add_addr+0x411/0x2000
[ 2879.863271][T12167]      inet6_addr_add+0x30e/0xa40
[ 2879.863271][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.863271][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.863271][T12167]      netlink_rcv_skb+0x130/0x360
[ 2879.863271][T12167]      netlink_unicast+0x449/0x710
[ 2879.863271][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2879.863271][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.863271][T12167]      ___sys_sendmsg+0xee/0x170
[ 2879.863271][T12167]      __sys_sendmsg+0xcd/0x170
[ 2879.863271][T12167]      do_syscall_64+0xc6/0x1e0
[ 2879.863271][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.863271][T12167] 
[ 2879.865608][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2879.865608][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2879.865608][T12167]      ipv6_find_idev+0x102/0x170
[ 2879.865608][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.865608][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.865608][T12167]      netlink_rcv_skb+0x130/0x360
[ 2879.865608][T12167]      netlink_unicast+0x449/0x710
[ 2879.865608][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2879.865608][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.865608][T12167]      ___sys_sendmsg+0xee/0x170
[ 2879.865608][T12167]      __sys_sendmsg+0xcd/0x170
[ 2879.865608][T12167]      do_syscall_64+0xc6/0x1e0
[ 2879.865608][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.865608][T12167] 
[ 2879.867385][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2879.867385][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2879.867385][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2879.867385][T12167]      ipv6_find_idev+0x102/0x170
[ 2879.867385][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.867385][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.867385][T12167]      netlink_rcv_skb+0x130/0x360
[ 2879.867385][T12167]      netlink_unicast+0x449/0x710
[ 2879.867385][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2879.867385][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.867385][T12167]      ___sys_sendmsg+0xee/0x170
[ 2879.867385][T12167]      __sys_sendmsg+0xcd/0x170
[ 2879.867385][T12167]      do_syscall_64+0xc6/0x1e0
[ 2879.867385][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.867385][T12167] 
[ 2890.006815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2890.007324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2890.007324][T12167]      netdev_get_by_index+0x5e/0x80
[ 2890.007324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2890.007324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2890.007324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2890.007324][T12167]      ipv6_add_addr+0x411/0x2000
[ 2890.007324][T12167]      inet6_addr_add+0x30e/0xa40
[ 2890.007324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2890.007324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2890.007324][T12167]      netlink_rcv_skb+0x130/0x360
[ 2890.007324][T12167]      netlink_unicast+0x449/0x710
[ 2890.007324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2890.007324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2890.007324][T12167]      ___sys_sendmsg+0xee/0x170
[ 2890.007324][T12167]      __sys_sendmsg+0xcd/0x170
[ 2890.007324][T12167]      do_syscall_64+0xc6/0x1e0
[ 2890.007324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2890.007324][T12167] 
[ 2890.009603][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2890.009603][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2890.009603][T12167]      ipv6_find_idev+0x102/0x170
[ 2890.009603][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2890.009603][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2890.009603][T12167]      netlink_rcv_skb+0x130/0x360
[ 2890.009603][T12167]      netlink_unicast+0x449/0x710
[ 2890.009603][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2890.009603][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2890.009603][T12167]      ___sys_sendmsg+0xee/0x170
[ 2890.009603][T12167]      __sys_sendmsg+0xcd/0x170
[ 2890.009603][T12167]      do_syscall_64+0xc6/0x1e0
[ 2890.009603][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2890.009603][T12167] 
[ 2890.011352][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2890.011352][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2890.011352][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2890.011352][T12167]      ipv6_find_idev+0x102/0x170
[ 2890.011352][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2890.011352][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2890.011352][T12167]      netlink_rcv_skb+0x130/0x360
[ 2890.011352][T12167]      netlink_unicast+0x449/0x710
[ 2890.011352][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2890.011352][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2890.011352][T12167]      ___sys_sendmsg+0xee/0x170
[ 2890.011352][T12167]      __sys_sendmsg+0xcd/0x170
[ 2890.011352][T12167]      do_syscall_64+0xc6/0x1e0
[ 2890.011352][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2890.011352][T12167] 
[ 2900.254871][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2900.255334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2900.255334][T12167]      netdev_get_by_index+0x5e/0x80
[ 2900.255334][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2900.255334][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2900.255334][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2900.255334][T12167]      ipv6_add_addr+0x411/0x2000
[ 2900.255334][T12167]      inet6_addr_add+0x30e/0xa40
[ 2900.255334][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2900.255334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2900.255334][T12167]      netlink_rcv_skb+0x130/0x360
[ 2900.255334][T12167]      netlink_unicast+0x449/0x710
[ 2900.255334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2900.255334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2900.255334][T12167]      ___sys_sendmsg+0xee/0x170
[ 2900.255334][T12167]      __sys_sendmsg+0xcd/0x170
[ 2900.255334][T12167]      do_syscall_64+0xc6/0x1e0
[ 2900.255334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2900.255334][T12167] 
[ 2900.257666][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2900.257666][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2900.257666][T12167]      ipv6_find_idev+0x102/0x170
[ 2900.257666][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2900.257666][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2900.257666][T12167]      netlink_rcv_skb+0x130/0x360
[ 2900.257666][T12167]      netlink_unicast+0x449/0x710
[ 2900.257666][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2900.257666][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2900.257666][T12167]      ___sys_sendmsg+0xee/0x170
[ 2900.257666][T12167]      __sys_sendmsg+0xcd/0x170
[ 2900.257666][T12167]      do_syscall_64+0xc6/0x1e0
[ 2900.257666][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2900.257666][T12167] 
[ 2900.259443][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2900.259443][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2900.259443][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2900.259443][T12167]      ipv6_find_idev+0x102/0x170
[ 2900.259443][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2900.259443][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2900.259443][T12167]      netlink_rcv_skb+0x130/0x360
[ 2900.259443][T12167]      netlink_unicast+0x449/0x710
[ 2900.259443][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2900.259443][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2900.259443][T12167]      ___sys_sendmsg+0xee/0x170
[ 2900.259443][T12167]      __sys_sendmsg+0xcd/0x170
[ 2900.259443][T12167]      do_syscall_64+0xc6/0x1e0
[ 2900.259443][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2900.259443][T12167] 
[ 2910.502761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2910.503206][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2910.503206][T12167]      netdev_get_by_index+0x5e/0x80
[ 2910.503206][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2910.503206][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2910.503206][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2910.503206][T12167]      ipv6_add_addr+0x411/0x2000
[ 2910.503206][T12167]      inet6_addr_add+0x30e/0xa40
[ 2910.503206][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2910.503206][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2910.503206][T12167]      netlink_rcv_skb+0x130/0x360
[ 2910.503206][T12167]      netlink_unicast+0x449/0x710
[ 2910.503206][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2910.503206][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2910.503206][T12167]      ___sys_sendmsg+0xee/0x170
[ 2910.503206][T12167]      __sys_sendmsg+0xcd/0x170
[ 2910.503206][T12167]      do_syscall_64+0xc6/0x1e0
[ 2910.503206][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2910.503206][T12167] 
[ 2910.505523][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2910.505523][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2910.505523][T12167]      ipv6_find_idev+0x102/0x170
[ 2910.505523][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2910.505523][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2910.505523][T12167]      netlink_rcv_skb+0x130/0x360
[ 2910.505523][T12167]      netlink_unicast+0x449/0x710
[ 2910.505523][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2910.505523][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2910.505523][T12167]      ___sys_sendmsg+0xee/0x170
[ 2910.505523][T12167]      __sys_sendmsg+0xcd/0x170
[ 2910.505523][T12167]      do_syscall_64+0xc6/0x1e0
[ 2910.505523][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2910.505523][T12167] 
[ 2910.507301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2910.507301][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2910.507301][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2910.507301][T12167]      ipv6_find_idev+0x102/0x170
[ 2910.507301][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2910.507301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2910.507301][T12167]      netlink_rcv_skb+0x130/0x360
[ 2910.507301][T12167]      netlink_unicast+0x449/0x710
[ 2910.507301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2910.507301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2910.507301][T12167]      ___sys_sendmsg+0xee/0x170
[ 2910.507301][T12167]      __sys_sendmsg+0xcd/0x170
[ 2910.507301][T12167]      do_syscall_64+0xc6/0x1e0
[ 2910.507301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2910.507301][T12167] 
[ 2920.750745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2920.751181][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2920.751181][T12167]      netdev_get_by_index+0x5e/0x80
[ 2920.751181][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2920.751181][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2920.751181][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2920.751181][T12167]      ipv6_add_addr+0x411/0x2000
[ 2920.751181][T12167]      inet6_addr_add+0x30e/0xa40
[ 2920.751181][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2920.751181][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2920.751181][T12167]      netlink_rcv_skb+0x130/0x360
[ 2920.751181][T12167]      netlink_unicast+0x449/0x710
[ 2920.751181][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2920.751181][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2920.751181][T12167]      ___sys_sendmsg+0xee/0x170
[ 2920.751181][T12167]      __sys_sendmsg+0xcd/0x170
[ 2920.751181][T12167]      do_syscall_64+0xc6/0x1e0
[ 2920.751181][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2920.751181][T12167] 
[ 2920.753506][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2920.753506][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2920.753506][T12167]      ipv6_find_idev+0x102/0x170
[ 2920.753506][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2920.753506][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2920.753506][T12167]      netlink_rcv_skb+0x130/0x360
[ 2920.753506][T12167]      netlink_unicast+0x449/0x710
[ 2920.753506][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2920.753506][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2920.753506][T12167]      ___sys_sendmsg+0xee/0x170
[ 2920.753506][T12167]      __sys_sendmsg+0xcd/0x170
[ 2920.753506][T12167]      do_syscall_64+0xc6/0x1e0
[ 2920.753506][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2920.753506][T12167] 
[ 2920.755256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2920.755256][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2920.755256][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2920.755256][T12167]      ipv6_find_idev+0x102/0x170
[ 2920.755256][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2920.755256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2920.755256][T12167]      netlink_rcv_skb+0x130/0x360
[ 2920.755256][T12167]      netlink_unicast+0x449/0x710
[ 2920.755256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2920.755256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2920.755256][T12167]      ___sys_sendmsg+0xee/0x170
[ 2920.755256][T12167]      __sys_sendmsg+0xcd/0x170
[ 2920.755256][T12167]      do_syscall_64+0xc6/0x1e0
[ 2920.755256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2920.755256][T12167] 
[ 2930.998787][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2930.999304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2930.999304][T12167]      netdev_get_by_index+0x5e/0x80
[ 2930.999304][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2930.999304][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2930.999304][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2930.999304][T12167]      ipv6_add_addr+0x411/0x2000
[ 2930.999304][T12167]      inet6_addr_add+0x30e/0xa40
[ 2930.999304][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.999304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.999304][T12167]      netlink_rcv_skb+0x130/0x360
[ 2930.999304][T12167]      netlink_unicast+0x449/0x710
[ 2930.999304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2930.999304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.999304][T12167]      ___sys_sendmsg+0xee/0x170
[ 2930.999304][T12167]      __sys_sendmsg+0xcd/0x170
[ 2930.999304][T12167]      do_syscall_64+0xc6/0x1e0
[ 2930.999304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.999304][T12167] 
[ 2931.001570][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2931.001570][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2931.001570][T12167]      ipv6_find_idev+0x102/0x170
[ 2931.001570][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2931.001570][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2931.001570][T12167]      netlink_rcv_skb+0x130/0x360
[ 2931.001570][T12167]      netlink_unicast+0x449/0x710
[ 2931.001570][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2931.001570][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2931.001570][T12167]      ___sys_sendmsg+0xee/0x170
[ 2931.001570][T12167]      __sys_sendmsg+0xcd/0x170
[ 2931.001570][T12167]      do_syscall_64+0xc6/0x1e0
[ 2931.001570][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2931.001570][T12167] 
[ 2931.003346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2931.003346][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2931.003346][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2931.003346][T12167]      ipv6_find_idev+0x102/0x170
[ 2931.003346][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2931.003346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2931.003346][T12167]      netlink_rcv_skb+0x130/0x360
[ 2931.003346][T12167]      netlink_unicast+0x449/0x710
[ 2931.003346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2931.003346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2931.003346][T12167]      ___sys_sendmsg+0xee/0x170
[ 2931.003346][T12167]      __sys_sendmsg+0xcd/0x170
[ 2931.003346][T12167]      do_syscall_64+0xc6/0x1e0
[ 2931.003346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2931.003346][T12167] 
[ 2941.246879][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2941.247342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2941.247342][T12167]      netdev_get_by_index+0x5e/0x80
[ 2941.247342][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2941.247342][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2941.247342][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2941.247342][T12167]      ipv6_add_addr+0x411/0x2000
[ 2941.247342][T12167]      inet6_addr_add+0x30e/0xa40
[ 2941.247342][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2941.247342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2941.247342][T12167]      netlink_rcv_skb+0x130/0x360
[ 2941.247342][T12167]      netlink_unicast+0x449/0x710
[ 2941.247342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2941.247342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2941.247342][T12167]      ___sys_sendmsg+0xee/0x170
[ 2941.247342][T12167]      __sys_sendmsg+0xcd/0x170
[ 2941.247342][T12167]      do_syscall_64+0xc6/0x1e0
[ 2941.247342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2941.247342][T12167] 
[ 2941.249627][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2941.249627][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2941.249627][T12167]      ipv6_find_idev+0x102/0x170
[ 2941.249627][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2941.249627][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2941.249627][T12167]      netlink_rcv_skb+0x130/0x360
[ 2941.249627][T12167]      netlink_unicast+0x449/0x710
[ 2941.249627][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2941.249627][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2941.249627][T12167]      ___sys_sendmsg+0xee/0x170
[ 2941.249627][T12167]      __sys_sendmsg+0xcd/0x170
[ 2941.249627][T12167]      do_syscall_64+0xc6/0x1e0
[ 2941.249627][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2941.249627][T12167] 
[ 2941.251385][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2941.251385][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2941.251385][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2941.251385][T12167]      ipv6_find_idev+0x102/0x170
[ 2941.251385][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2941.251385][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2941.251385][T12167]      netlink_rcv_skb+0x130/0x360
[ 2941.251385][T12167]      netlink_unicast+0x449/0x710
[ 2941.251385][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2941.251385][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2941.251385][T12167]      ___sys_sendmsg+0xee/0x170
[ 2941.251385][T12167]      __sys_sendmsg+0xcd/0x170
[ 2941.251385][T12167]      do_syscall_64+0xc6/0x1e0
[ 2941.251385][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2941.251385][T12167] 
[ 2951.494752][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2951.495263][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2951.495263][T12167]      netdev_get_by_index+0x5e/0x80
[ 2951.495263][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2951.495263][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2951.495263][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2951.495263][T12167]      ipv6_add_addr+0x411/0x2000
[ 2951.495263][T12167]      inet6_addr_add+0x30e/0xa40
[ 2951.495263][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2951.495263][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2951.495263][T12167]      netlink_rcv_skb+0x130/0x360
[ 2951.495263][T12167]      netlink_unicast+0x449/0x710
[ 2951.495263][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2951.495263][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2951.495263][T12167]      ___sys_sendmsg+0xee/0x170
[ 2951.495263][T12167]      __sys_sendmsg+0xcd/0x170
[ 2951.495263][T12167]      do_syscall_64+0xc6/0x1e0
[ 2951.495263][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2951.495263][T12167] 
[ 2951.497538][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2951.497538][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2951.497538][T12167]      ipv6_find_idev+0x102/0x170
[ 2951.497538][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2951.497538][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2951.497538][T12167]      netlink_rcv_skb+0x130/0x360
[ 2951.497538][T12167]      netlink_unicast+0x449/0x710
[ 2951.497538][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2951.497538][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2951.497538][T12167]      ___sys_sendmsg+0xee/0x170
[ 2951.497538][T12167]      __sys_sendmsg+0xcd/0x170
[ 2951.497538][T12167]      do_syscall_64+0xc6/0x1e0
[ 2951.497538][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2951.497538][T12167] 
[ 2951.499293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2951.499293][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2951.499293][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2951.499293][T12167]      ipv6_find_idev+0x102/0x170
[ 2951.499293][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2951.499293][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2951.499293][T12167]      netlink_rcv_skb+0x130/0x360
[ 2951.499293][T12167]      netlink_unicast+0x449/0x710
[ 2951.499293][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2951.499293][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2951.499293][T12167]      ___sys_sendmsg+0xee/0x170
[ 2951.499293][T12167]      __sys_sendmsg+0xcd/0x170
[ 2951.499293][T12167]      do_syscall_64+0xc6/0x1e0
[ 2951.499293][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2951.499293][T12167] 
[ 2961.742782][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2961.743308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2961.743308][T12167]      netdev_get_by_index+0x5e/0x80
[ 2961.743308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2961.743308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2961.743308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2961.743308][T12167]      ipv6_add_addr+0x411/0x2000
[ 2961.743308][T12167]      inet6_addr_add+0x30e/0xa40
[ 2961.743308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2961.743308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2961.743308][T12167]      netlink_rcv_skb+0x130/0x360
[ 2961.743308][T12167]      netlink_unicast+0x449/0x710
[ 2961.743308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2961.743308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2961.743308][T12167]      ___sys_sendmsg+0xee/0x170
[ 2961.743308][T12167]      __sys_sendmsg+0xcd/0x170
[ 2961.743308][T12167]      do_syscall_64+0xc6/0x1e0
[ 2961.743308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2961.743308][T12167] 
[ 2961.745591][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2961.745591][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2961.745591][T12167]      ipv6_find_idev+0x102/0x170
[ 2961.745591][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2961.745591][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2961.745591][T12167]      netlink_rcv_skb+0x130/0x360
[ 2961.745591][T12167]      netlink_unicast+0x449/0x710
[ 2961.745591][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2961.745591][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2961.745591][T12167]      ___sys_sendmsg+0xee/0x170
[ 2961.745591][T12167]      __sys_sendmsg+0xcd/0x170
[ 2961.745591][T12167]      do_syscall_64+0xc6/0x1e0
[ 2961.745591][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2961.745591][T12167] 
[ 2961.747330][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2961.747330][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2961.747330][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2961.747330][T12167]      ipv6_find_idev+0x102/0x170
[ 2961.747330][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2961.747330][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2961.747330][T12167]      netlink_rcv_skb+0x130/0x360
[ 2961.747330][T12167]      netlink_unicast+0x449/0x710
[ 2961.747330][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2961.747330][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2961.747330][T12167]      ___sys_sendmsg+0xee/0x170
[ 2961.747330][T12167]      __sys_sendmsg+0xcd/0x170
[ 2961.747330][T12167]      do_syscall_64+0xc6/0x1e0
[ 2961.747330][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2961.747330][T12167] 
[ 2971.990786][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2971.991256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2971.991256][T12167]      netdev_get_by_index+0x5e/0x80
[ 2971.991256][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2971.991256][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2971.991256][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2971.991256][T12167]      ipv6_add_addr+0x411/0x2000
[ 2971.991256][T12167]      inet6_addr_add+0x30e/0xa40
[ 2971.991256][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2971.991256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2971.991256][T12167]      netlink_rcv_skb+0x130/0x360
[ 2971.991256][T12167]      netlink_unicast+0x449/0x710
[ 2971.991256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2971.991256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2971.991256][T12167]      ___sys_sendmsg+0xee/0x170
[ 2971.991256][T12167]      __sys_sendmsg+0xcd/0x170
[ 2971.991256][T12167]      do_syscall_64+0xc6/0x1e0
[ 2971.991256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2971.991256][T12167] 
[ 2971.993703][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2971.993703][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2971.993703][T12167]      ipv6_find_idev+0x102/0x170
[ 2971.993703][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2971.993703][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2971.993703][T12167]      netlink_rcv_skb+0x130/0x360
[ 2971.993703][T12167]      netlink_unicast+0x449/0x710
[ 2971.993703][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2971.993703][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2971.993703][T12167]      ___sys_sendmsg+0xee/0x170
[ 2971.993703][T12167]      __sys_sendmsg+0xcd/0x170
[ 2971.993703][T12167]      do_syscall_64+0xc6/0x1e0
[ 2971.993703][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2971.993703][T12167] 
[ 2971.995557][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2971.995557][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2971.995557][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2971.995557][T12167]      ipv6_find_idev+0x102/0x170
[ 2971.995557][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2971.995557][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2971.995557][T12167]      netlink_rcv_skb+0x130/0x360
[ 2971.995557][T12167]      netlink_unicast+0x449/0x710
[ 2971.995557][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2971.995557][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2971.995557][T12167]      ___sys_sendmsg+0xee/0x170
[ 2971.995557][T12167]      __sys_sendmsg+0xcd/0x170
[ 2971.995557][T12167]      do_syscall_64+0xc6/0x1e0
[ 2971.995557][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2971.995557][T12167] 
[ 2982.238748][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2982.239306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2982.239306][T12167]      netdev_get_by_index+0x5e/0x80
[ 2982.239306][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2982.239306][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2982.239306][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2982.239306][T12167]      ipv6_add_addr+0x411/0x2000
[ 2982.239306][T12167]      inet6_addr_add+0x30e/0xa40
[ 2982.239306][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2982.239306][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2982.239306][T12167]      netlink_rcv_skb+0x130/0x360
[ 2982.239306][T12167]      netlink_unicast+0x449/0x710
[ 2982.239306][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2982.239306][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2982.239306][T12167]      ___sys_sendmsg+0xee/0x170
[ 2982.239306][T12167]      __sys_sendmsg+0xcd/0x170
[ 2982.239306][T12167]      do_syscall_64+0xc6/0x1e0
[ 2982.239306][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2982.239306][T12167] 
[ 2982.241643][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2982.241643][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2982.241643][T12167]      ipv6_find_idev+0x102/0x170
[ 2982.241643][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2982.241643][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2982.241643][T12167]      netlink_rcv_skb+0x130/0x360
[ 2982.241643][T12167]      netlink_unicast+0x449/0x710
[ 2982.241643][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2982.241643][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2982.241643][T12167]      ___sys_sendmsg+0xee/0x170
[ 2982.241643][T12167]      __sys_sendmsg+0xcd/0x170
[ 2982.241643][T12167]      do_syscall_64+0xc6/0x1e0
[ 2982.241643][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2982.241643][T12167] 
[ 2982.243414][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2982.243414][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2982.243414][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2982.243414][T12167]      ipv6_find_idev+0x102/0x170
[ 2982.243414][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2982.243414][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2982.243414][T12167]      netlink_rcv_skb+0x130/0x360
[ 2982.243414][T12167]      netlink_unicast+0x449/0x710
[ 2982.243414][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2982.243414][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2982.243414][T12167]      ___sys_sendmsg+0xee/0x170
[ 2982.243414][T12167]      __sys_sendmsg+0xcd/0x170
[ 2982.243414][T12167]      do_syscall_64+0xc6/0x1e0
[ 2982.243414][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2982.243414][T12167] 
[ 2992.486848][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 2992.487435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2992.487435][T12167]      netdev_get_by_index+0x5e/0x80
[ 2992.487435][T12167]      fib6_nh_init+0x3d8/0x1580
[ 2992.487435][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 2992.487435][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 2992.487435][T12167]      ipv6_add_addr+0x411/0x2000
[ 2992.487435][T12167]      inet6_addr_add+0x30e/0xa40
[ 2992.487435][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 2992.487435][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2992.487435][T12167]      netlink_rcv_skb+0x130/0x360
[ 2992.487435][T12167]      netlink_unicast+0x449/0x710
[ 2992.487435][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2992.487435][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2992.487435][T12167]      ___sys_sendmsg+0xee/0x170
[ 2992.487435][T12167]      __sys_sendmsg+0xcd/0x170
[ 2992.487435][T12167]      do_syscall_64+0xc6/0x1e0
[ 2992.487435][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2992.487435][T12167] 
[ 2992.489893][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2992.489893][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 2992.489893][T12167]      ipv6_find_idev+0x102/0x170
[ 2992.489893][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2992.489893][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2992.489893][T12167]      netlink_rcv_skb+0x130/0x360
[ 2992.489893][T12167]      netlink_unicast+0x449/0x710
[ 2992.489893][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2992.489893][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2992.489893][T12167]      ___sys_sendmsg+0xee/0x170
[ 2992.489893][T12167]      __sys_sendmsg+0xcd/0x170
[ 2992.489893][T12167]      do_syscall_64+0xc6/0x1e0
[ 2992.489893][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2992.489893][T12167] 
[ 2992.491743][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 2992.491743][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 2992.491743][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 2992.491743][T12167]      ipv6_find_idev+0x102/0x170
[ 2992.491743][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2992.491743][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2992.491743][T12167]      netlink_rcv_skb+0x130/0x360
[ 2992.491743][T12167]      netlink_unicast+0x449/0x710
[ 2992.491743][T12167]      netlink_sendmsg+0x723/0xbe0
[ 2992.491743][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 2992.491743][T12167]      ___sys_sendmsg+0xee/0x170
[ 2992.491743][T12167]      __sys_sendmsg+0xcd/0x170
[ 2992.491743][T12167]      do_syscall_64+0xc6/0x1e0
[ 2992.491743][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2992.491743][T12167] 
[ 3002.734805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3002.735258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3002.735258][T12167]      netdev_get_by_index+0x5e/0x80
[ 3002.735258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3002.735258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3002.735258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3002.735258][T12167]      ipv6_add_addr+0x411/0x2000
[ 3002.735258][T12167]      inet6_addr_add+0x30e/0xa40
[ 3002.735258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3002.735258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3002.735258][T12167]      netlink_rcv_skb+0x130/0x360
[ 3002.735258][T12167]      netlink_unicast+0x449/0x710
[ 3002.735258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3002.735258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3002.735258][T12167]      ___sys_sendmsg+0xee/0x170
[ 3002.735258][T12167]      __sys_sendmsg+0xcd/0x170
[ 3002.735258][T12167]      do_syscall_64+0xc6/0x1e0
[ 3002.735258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3002.735258][T12167] 
[ 3002.737606][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3002.737606][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3002.737606][T12167]      ipv6_find_idev+0x102/0x170
[ 3002.737606][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3002.737606][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3002.737606][T12167]      netlink_rcv_skb+0x130/0x360
[ 3002.737606][T12167]      netlink_unicast+0x449/0x710
[ 3002.737606][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3002.737606][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3002.737606][T12167]      ___sys_sendmsg+0xee/0x170
[ 3002.737606][T12167]      __sys_sendmsg+0xcd/0x170
[ 3002.737606][T12167]      do_syscall_64+0xc6/0x1e0
[ 3002.737606][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3002.737606][T12167] 
[ 3002.739361][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3002.739361][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3002.739361][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3002.739361][T12167]      ipv6_find_idev+0x102/0x170
[ 3002.739361][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3002.739361][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3002.739361][T12167]      netlink_rcv_skb+0x130/0x360
[ 3002.739361][T12167]      netlink_unicast+0x449/0x710
[ 3002.739361][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3002.739361][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3002.739361][T12167]      ___sys_sendmsg+0xee/0x170
[ 3002.739361][T12167]      __sys_sendmsg+0xcd/0x170
[ 3002.739361][T12167]      do_syscall_64+0xc6/0x1e0
[ 3002.739361][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3002.739361][T12167] 
[ 3012.982757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3012.983207][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3012.983207][T12167]      netdev_get_by_index+0x5e/0x80
[ 3012.983207][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3012.983207][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3012.983207][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3012.983207][T12167]      ipv6_add_addr+0x411/0x2000
[ 3012.983207][T12167]      inet6_addr_add+0x30e/0xa40
[ 3012.983207][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3012.983207][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3012.983207][T12167]      netlink_rcv_skb+0x130/0x360
[ 3012.983207][T12167]      netlink_unicast+0x449/0x710
[ 3012.983207][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3012.983207][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3012.983207][T12167]      ___sys_sendmsg+0xee/0x170
[ 3012.983207][T12167]      __sys_sendmsg+0xcd/0x170
[ 3012.983207][T12167]      do_syscall_64+0xc6/0x1e0
[ 3012.983207][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3012.983207][T12167] 
[ 3012.985482][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3012.985482][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3012.985482][T12167]      ipv6_find_idev+0x102/0x170
[ 3012.985482][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3012.985482][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3012.985482][T12167]      netlink_rcv_skb+0x130/0x360
[ 3012.985482][T12167]      netlink_unicast+0x449/0x710
[ 3012.985482][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3012.985482][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3012.985482][T12167]      ___sys_sendmsg+0xee/0x170
[ 3012.985482][T12167]      __sys_sendmsg+0xcd/0x170
[ 3012.985482][T12167]      do_syscall_64+0xc6/0x1e0
[ 3012.985482][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3012.985482][T12167] 
[ 3012.987357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3012.987357][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3012.987357][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3012.987357][T12167]      ipv6_find_idev+0x102/0x170
[ 3012.987357][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3012.987357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3012.987357][T12167]      netlink_rcv_skb+0x130/0x360
[ 3012.987357][T12167]      netlink_unicast+0x449/0x710
[ 3012.987357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3012.987357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3012.987357][T12167]      ___sys_sendmsg+0xee/0x170
[ 3012.987357][T12167]      __sys_sendmsg+0xcd/0x170
[ 3012.987357][T12167]      do_syscall_64+0xc6/0x1e0
[ 3012.987357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3012.987357][T12167] 
[ 3023.230854][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3023.231354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3023.231354][T12167]      netdev_get_by_index+0x5e/0x80
[ 3023.231354][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3023.231354][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3023.231354][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3023.231354][T12167]      ipv6_add_addr+0x411/0x2000
[ 3023.231354][T12167]      inet6_addr_add+0x30e/0xa40
[ 3023.231354][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3023.231354][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3023.231354][T12167]      netlink_rcv_skb+0x130/0x360
[ 3023.231354][T12167]      netlink_unicast+0x449/0x710
[ 3023.231354][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3023.231354][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3023.231354][T12167]      ___sys_sendmsg+0xee/0x170
[ 3023.231354][T12167]      __sys_sendmsg+0xcd/0x170
[ 3023.231354][T12167]      do_syscall_64+0xc6/0x1e0
[ 3023.231354][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3023.231354][T12167] 
[ 3023.233652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3023.233652][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3023.233652][T12167]      ipv6_find_idev+0x102/0x170
[ 3023.233652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3023.233652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3023.233652][T12167]      netlink_rcv_skb+0x130/0x360
[ 3023.233652][T12167]      netlink_unicast+0x449/0x710
[ 3023.233652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3023.233652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3023.233652][T12167]      ___sys_sendmsg+0xee/0x170
[ 3023.233652][T12167]      __sys_sendmsg+0xcd/0x170
[ 3023.233652][T12167]      do_syscall_64+0xc6/0x1e0
[ 3023.233652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3023.233652][T12167] 
[ 3023.235417][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3023.235417][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3023.235417][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3023.235417][T12167]      ipv6_find_idev+0x102/0x170
[ 3023.235417][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3023.235417][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3023.235417][T12167]      netlink_rcv_skb+0x130/0x360
[ 3023.235417][T12167]      netlink_unicast+0x449/0x710
[ 3023.235417][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3023.235417][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3023.235417][T12167]      ___sys_sendmsg+0xee/0x170
[ 3023.235417][T12167]      __sys_sendmsg+0xcd/0x170
[ 3023.235417][T12167]      do_syscall_64+0xc6/0x1e0
[ 3023.235417][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3023.235417][T12167] 
[ 3033.478787][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3033.479286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3033.479286][T12167]      netdev_get_by_index+0x5e/0x80
[ 3033.479286][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3033.479286][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3033.479286][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3033.479286][T12167]      ipv6_add_addr+0x411/0x2000
[ 3033.479286][T12167]      inet6_addr_add+0x30e/0xa40
[ 3033.479286][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3033.479286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3033.479286][T12167]      netlink_rcv_skb+0x130/0x360
[ 3033.479286][T12167]      netlink_unicast+0x449/0x710
[ 3033.479286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3033.479286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3033.479286][T12167]      ___sys_sendmsg+0xee/0x170
[ 3033.479286][T12167]      __sys_sendmsg+0xcd/0x170
[ 3033.479286][T12167]      do_syscall_64+0xc6/0x1e0
[ 3033.479286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3033.479286][T12167] 
[ 3033.481623][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3033.481623][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3033.481623][T12167]      ipv6_find_idev+0x102/0x170
[ 3033.481623][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3033.481623][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3033.481623][T12167]      netlink_rcv_skb+0x130/0x360
[ 3033.481623][T12167]      netlink_unicast+0x449/0x710
[ 3033.481623][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3033.481623][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3033.481623][T12167]      ___sys_sendmsg+0xee/0x170
[ 3033.481623][T12167]      __sys_sendmsg+0xcd/0x170
[ 3033.481623][T12167]      do_syscall_64+0xc6/0x1e0
[ 3033.481623][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3033.481623][T12167] 
[ 3033.483397][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3033.483397][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3033.483397][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3033.483397][T12167]      ipv6_find_idev+0x102/0x170
[ 3033.483397][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3033.483397][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3033.483397][T12167]      netlink_rcv_skb+0x130/0x360
[ 3033.483397][T12167]      netlink_unicast+0x449/0x710
[ 3033.483397][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3033.483397][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3033.483397][T12167]      ___sys_sendmsg+0xee/0x170
[ 3033.483397][T12167]      __sys_sendmsg+0xcd/0x170
[ 3033.483397][T12167]      do_syscall_64+0xc6/0x1e0
[ 3033.483397][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3033.483397][T12167] 
[ 3043.638795][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3043.639351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3043.639351][T12167]      netdev_get_by_index+0x5e/0x80
[ 3043.639351][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3043.639351][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3043.639351][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3043.639351][T12167]      ipv6_add_addr+0x411/0x2000
[ 3043.639351][T12167]      inet6_addr_add+0x30e/0xa40
[ 3043.639351][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3043.639351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3043.639351][T12167]      netlink_rcv_skb+0x130/0x360
[ 3043.639351][T12167]      netlink_unicast+0x449/0x710
[ 3043.639351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3043.639351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3043.639351][T12167]      ___sys_sendmsg+0xee/0x170
[ 3043.639351][T12167]      __sys_sendmsg+0xcd/0x170
[ 3043.639351][T12167]      do_syscall_64+0xc6/0x1e0
[ 3043.639351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3043.639351][T12167] 
[ 3043.642516][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3043.642516][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3043.642516][T12167]      ipv6_find_idev+0x102/0x170
[ 3043.642516][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3043.642516][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3043.642516][T12167]      netlink_rcv_skb+0x130/0x360
[ 3043.642516][T12167]      netlink_unicast+0x449/0x710
[ 3043.642516][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3043.642516][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3043.642516][T12167]      ___sys_sendmsg+0xee/0x170
[ 3043.642516][T12167]      __sys_sendmsg+0xcd/0x170
[ 3043.642516][T12167]      do_syscall_64+0xc6/0x1e0
[ 3043.642516][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3043.642516][T12167] 
[ 3043.644885][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3043.644885][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3043.644885][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3043.644885][T12167]      ipv6_find_idev+0x102/0x170
[ 3043.644885][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3043.644885][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3043.644885][T12167]      netlink_rcv_skb+0x130/0x360
[ 3043.644885][T12167]      netlink_unicast+0x449/0x710
[ 3043.644885][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3043.644885][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3043.644885][T12167]      ___sys_sendmsg+0xee/0x170
[ 3043.644885][T12167]      __sys_sendmsg+0xcd/0x170
[ 3043.644885][T12167]      do_syscall_64+0xc6/0x1e0
[ 3043.644885][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3043.644885][T12167] 
[ 3053.886821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3053.887480][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3053.887480][T12167]      netdev_get_by_index+0x5e/0x80
[ 3053.887480][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3053.887480][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3053.887480][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3053.887480][T12167]      ipv6_add_addr+0x411/0x2000
[ 3053.887480][T12167]      inet6_addr_add+0x30e/0xa40
[ 3053.887480][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3053.887480][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3053.887480][T12167]      netlink_rcv_skb+0x130/0x360
[ 3053.887480][T12167]      netlink_unicast+0x449/0x710
[ 3053.887480][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3053.887480][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3053.887480][T12167]      ___sys_sendmsg+0xee/0x170
[ 3053.887480][T12167]      __sys_sendmsg+0xcd/0x170
[ 3053.887480][T12167]      do_syscall_64+0xc6/0x1e0
[ 3053.887480][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3053.887480][T12167] 
[ 3053.889809][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3053.889809][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3053.889809][T12167]      ipv6_find_idev+0x102/0x170
[ 3053.889809][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3053.889809][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3053.889809][T12167]      netlink_rcv_skb+0x130/0x360
[ 3053.889809][T12167]      netlink_unicast+0x449/0x710
[ 3053.889809][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3053.889809][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3053.889809][T12167]      ___sys_sendmsg+0xee/0x170
[ 3053.889809][T12167]      __sys_sendmsg+0xcd/0x170
[ 3053.889809][T12167]      do_syscall_64+0xc6/0x1e0
[ 3053.889809][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3053.889809][T12167] 
[ 3053.891573][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3053.891573][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3053.891573][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3053.891573][T12167]      ipv6_find_idev+0x102/0x170
[ 3053.891573][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3053.891573][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3053.891573][T12167]      netlink_rcv_skb+0x130/0x360
[ 3053.891573][T12167]      netlink_unicast+0x449/0x710
[ 3053.891573][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3053.891573][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3053.891573][T12167]      ___sys_sendmsg+0xee/0x170
[ 3053.891573][T12167]      __sys_sendmsg+0xcd/0x170
[ 3053.891573][T12167]      do_syscall_64+0xc6/0x1e0
[ 3053.891573][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3053.891573][T12167] 
[ 3064.134844][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3064.135347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3064.135347][T12167]      netdev_get_by_index+0x5e/0x80
[ 3064.135347][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3064.135347][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3064.135347][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3064.135347][T12167]      ipv6_add_addr+0x411/0x2000
[ 3064.135347][T12167]      inet6_addr_add+0x30e/0xa40
[ 3064.135347][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3064.135347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3064.135347][T12167]      netlink_rcv_skb+0x130/0x360
[ 3064.135347][T12167]      netlink_unicast+0x449/0x710
[ 3064.135347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3064.135347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3064.135347][T12167]      ___sys_sendmsg+0xee/0x170
[ 3064.135347][T12167]      __sys_sendmsg+0xcd/0x170
[ 3064.135347][T12167]      do_syscall_64+0xc6/0x1e0
[ 3064.135347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3064.135347][T12167] 
[ 3064.137648][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3064.137648][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3064.137648][T12167]      ipv6_find_idev+0x102/0x170
[ 3064.137648][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3064.137648][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3064.137648][T12167]      netlink_rcv_skb+0x130/0x360
[ 3064.137648][T12167]      netlink_unicast+0x449/0x710
[ 3064.137648][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3064.137648][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3064.137648][T12167]      ___sys_sendmsg+0xee/0x170
[ 3064.137648][T12167]      __sys_sendmsg+0xcd/0x170
[ 3064.137648][T12167]      do_syscall_64+0xc6/0x1e0
[ 3064.137648][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3064.137648][T12167] 
[ 3064.139379][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3064.139379][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3064.139379][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3064.139379][T12167]      ipv6_find_idev+0x102/0x170
[ 3064.139379][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3064.139379][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3064.139379][T12167]      netlink_rcv_skb+0x130/0x360
[ 3064.139379][T12167]      netlink_unicast+0x449/0x710
[ 3064.139379][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3064.139379][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3064.139379][T12167]      ___sys_sendmsg+0xee/0x170
[ 3064.139379][T12167]      __sys_sendmsg+0xcd/0x170
[ 3064.139379][T12167]      do_syscall_64+0xc6/0x1e0
[ 3064.139379][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3064.139379][T12167] 
[ 3074.382778][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3074.383258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3074.383258][T12167]      netdev_get_by_index+0x5e/0x80
[ 3074.383258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3074.383258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3074.383258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3074.383258][T12167]      ipv6_add_addr+0x411/0x2000
[ 3074.383258][T12167]      inet6_addr_add+0x30e/0xa40
[ 3074.383258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3074.383258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3074.383258][T12167]      netlink_rcv_skb+0x130/0x360
[ 3074.383258][T12167]      netlink_unicast+0x449/0x710
[ 3074.383258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3074.383258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3074.383258][T12167]      ___sys_sendmsg+0xee/0x170
[ 3074.383258][T12167]      __sys_sendmsg+0xcd/0x170
[ 3074.383258][T12167]      do_syscall_64+0xc6/0x1e0
[ 3074.383258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3074.383258][T12167] 
[ 3074.385722][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3074.385722][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3074.385722][T12167]      ipv6_find_idev+0x102/0x170
[ 3074.385722][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3074.385722][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3074.385722][T12167]      netlink_rcv_skb+0x130/0x360
[ 3074.385722][T12167]      netlink_unicast+0x449/0x710
[ 3074.385722][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3074.385722][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3074.385722][T12167]      ___sys_sendmsg+0xee/0x170
[ 3074.385722][T12167]      __sys_sendmsg+0xcd/0x170
[ 3074.385722][T12167]      do_syscall_64+0xc6/0x1e0
[ 3074.385722][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3074.385722][T12167] 
[ 3074.387590][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3074.387590][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3074.387590][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3074.387590][T12167]      ipv6_find_idev+0x102/0x170
[ 3074.387590][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3074.387590][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3074.387590][T12167]      netlink_rcv_skb+0x130/0x360
[ 3074.387590][T12167]      netlink_unicast+0x449/0x710
[ 3074.387590][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3074.387590][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3074.387590][T12167]      ___sys_sendmsg+0xee/0x170
[ 3074.387590][T12167]      __sys_sendmsg+0xcd/0x170
[ 3074.387590][T12167]      do_syscall_64+0xc6/0x1e0
[ 3074.387590][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3074.387590][T12167] 
[ 3084.630830][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3084.631354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3084.631354][T12167]      netdev_get_by_index+0x5e/0x80
[ 3084.631354][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3084.631354][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3084.631354][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3084.631354][T12167]      ipv6_add_addr+0x411/0x2000
[ 3084.631354][T12167]      inet6_addr_add+0x30e/0xa40
[ 3084.631354][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3084.631354][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3084.631354][T12167]      netlink_rcv_skb+0x130/0x360
[ 3084.631354][T12167]      netlink_unicast+0x449/0x710
[ 3084.631354][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3084.631354][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3084.631354][T12167]      ___sys_sendmsg+0xee/0x170
[ 3084.631354][T12167]      __sys_sendmsg+0xcd/0x170
[ 3084.631354][T12167]      do_syscall_64+0xc6/0x1e0
[ 3084.631354][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3084.631354][T12167] 
[ 3084.633626][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3084.633626][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3084.633626][T12167]      ipv6_find_idev+0x102/0x170
[ 3084.633626][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3084.633626][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3084.633626][T12167]      netlink_rcv_skb+0x130/0x360
[ 3084.633626][T12167]      netlink_unicast+0x449/0x710
[ 3084.633626][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3084.633626][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3084.633626][T12167]      ___sys_sendmsg+0xee/0x170
[ 3084.633626][T12167]      __sys_sendmsg+0xcd/0x170
[ 3084.633626][T12167]      do_syscall_64+0xc6/0x1e0
[ 3084.633626][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3084.633626][T12167] 
[ 3084.635358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3084.635358][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3084.635358][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3084.635358][T12167]      ipv6_find_idev+0x102/0x170
[ 3084.635358][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3084.635358][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3084.635358][T12167]      netlink_rcv_skb+0x130/0x360
[ 3084.635358][T12167]      netlink_unicast+0x449/0x710
[ 3084.635358][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3084.635358][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3084.635358][T12167]      ___sys_sendmsg+0xee/0x170
[ 3084.635358][T12167]      __sys_sendmsg+0xcd/0x170
[ 3084.635358][T12167]      do_syscall_64+0xc6/0x1e0
[ 3084.635358][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3084.635358][T12167] 
[ 3094.878804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3094.879311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3094.879311][T12167]      netdev_get_by_index+0x5e/0x80
[ 3094.879311][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3094.879311][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3094.879311][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3094.879311][T12167]      ipv6_add_addr+0x411/0x2000
[ 3094.879311][T12167]      inet6_addr_add+0x30e/0xa40
[ 3094.879311][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.879311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.879311][T12167]      netlink_rcv_skb+0x130/0x360
[ 3094.879311][T12167]      netlink_unicast+0x449/0x710
[ 3094.879311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3094.879311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.879311][T12167]      ___sys_sendmsg+0xee/0x170
[ 3094.879311][T12167]      __sys_sendmsg+0xcd/0x170
[ 3094.879311][T12167]      do_syscall_64+0xc6/0x1e0
[ 3094.879311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.879311][T12167] 
[ 3094.881587][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3094.881587][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3094.881587][T12167]      ipv6_find_idev+0x102/0x170
[ 3094.881587][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.881587][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.881587][T12167]      netlink_rcv_skb+0x130/0x360
[ 3094.881587][T12167]      netlink_unicast+0x449/0x710
[ 3094.881587][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3094.881587][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.881587][T12167]      ___sys_sendmsg+0xee/0x170
[ 3094.881587][T12167]      __sys_sendmsg+0xcd/0x170
[ 3094.881587][T12167]      do_syscall_64+0xc6/0x1e0
[ 3094.881587][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.881587][T12167] 
[ 3094.883332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3094.883332][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3094.883332][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3094.883332][T12167]      ipv6_find_idev+0x102/0x170
[ 3094.883332][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.883332][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.883332][T12167]      netlink_rcv_skb+0x130/0x360
[ 3094.883332][T12167]      netlink_unicast+0x449/0x710
[ 3094.883332][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3094.883332][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.883332][T12167]      ___sys_sendmsg+0xee/0x170
[ 3094.883332][T12167]      __sys_sendmsg+0xcd/0x170
[ 3094.883332][T12167]      do_syscall_64+0xc6/0x1e0
[ 3094.883332][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.883332][T12167] 
[ 3105.054833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3105.055341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3105.055341][T12167]      netdev_get_by_index+0x5e/0x80
[ 3105.055341][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3105.055341][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3105.055341][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3105.055341][T12167]      ipv6_add_addr+0x411/0x2000
[ 3105.055341][T12167]      inet6_addr_add+0x30e/0xa40
[ 3105.055341][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3105.055341][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3105.055341][T12167]      netlink_rcv_skb+0x130/0x360
[ 3105.055341][T12167]      netlink_unicast+0x449/0x710
[ 3105.055341][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3105.055341][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3105.055341][T12167]      ___sys_sendmsg+0xee/0x170
[ 3105.055341][T12167]      __sys_sendmsg+0xcd/0x170
[ 3105.055341][T12167]      do_syscall_64+0xc6/0x1e0
[ 3105.055341][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3105.055341][T12167] 
[ 3105.057652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3105.057652][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3105.057652][T12167]      ipv6_find_idev+0x102/0x170
[ 3105.057652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3105.057652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3105.057652][T12167]      netlink_rcv_skb+0x130/0x360
[ 3105.057652][T12167]      netlink_unicast+0x449/0x710
[ 3105.057652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3105.057652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3105.057652][T12167]      ___sys_sendmsg+0xee/0x170
[ 3105.057652][T12167]      __sys_sendmsg+0xcd/0x170
[ 3105.057652][T12167]      do_syscall_64+0xc6/0x1e0
[ 3105.057652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3105.057652][T12167] 
[ 3105.059388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3105.059388][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3105.059388][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3105.059388][T12167]      ipv6_find_idev+0x102/0x170
[ 3105.059388][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3105.059388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3105.059388][T12167]      netlink_rcv_skb+0x130/0x360
[ 3105.059388][T12167]      netlink_unicast+0x449/0x710
[ 3105.059388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3105.059388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3105.059388][T12167]      ___sys_sendmsg+0xee/0x170
[ 3105.059388][T12167]      __sys_sendmsg+0xcd/0x170
[ 3105.059388][T12167]      do_syscall_64+0xc6/0x1e0
[ 3105.059388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3105.059388][T12167] 
[ 3115.302853][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3115.303386][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3115.303386][T12167]      netdev_get_by_index+0x5e/0x80
[ 3115.303386][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3115.303386][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3115.303386][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3115.303386][T12167]      ipv6_add_addr+0x411/0x2000
[ 3115.303386][T12167]      inet6_addr_add+0x30e/0xa40
[ 3115.303386][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3115.303386][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3115.303386][T12167]      netlink_rcv_skb+0x130/0x360
[ 3115.303386][T12167]      netlink_unicast+0x449/0x710
[ 3115.303386][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3115.303386][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3115.303386][T12167]      ___sys_sendmsg+0xee/0x170
[ 3115.303386][T12167]      __sys_sendmsg+0xcd/0x170
[ 3115.303386][T12167]      do_syscall_64+0xc6/0x1e0
[ 3115.303386][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3115.303386][T12167] 
[ 3115.305647][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3115.305647][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3115.305647][T12167]      ipv6_find_idev+0x102/0x170
[ 3115.305647][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3115.305647][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3115.305647][T12167]      netlink_rcv_skb+0x130/0x360
[ 3115.305647][T12167]      netlink_unicast+0x449/0x710
[ 3115.305647][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3115.305647][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3115.305647][T12167]      ___sys_sendmsg+0xee/0x170
[ 3115.305647][T12167]      __sys_sendmsg+0xcd/0x170
[ 3115.305647][T12167]      do_syscall_64+0xc6/0x1e0
[ 3115.305647][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3115.305647][T12167] 
[ 3115.307388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3115.307388][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3115.307388][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3115.307388][T12167]      ipv6_find_idev+0x102/0x170
[ 3115.307388][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3115.307388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3115.307388][T12167]      netlink_rcv_skb+0x130/0x360
[ 3115.307388][T12167]      netlink_unicast+0x449/0x710
[ 3115.307388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3115.307388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3115.307388][T12167]      ___sys_sendmsg+0xee/0x170
[ 3115.307388][T12167]      __sys_sendmsg+0xcd/0x170
[ 3115.307388][T12167]      do_syscall_64+0xc6/0x1e0
[ 3115.307388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3115.307388][T12167] 
[ 3125.550842][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3125.551313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3125.551313][T12167]      netdev_get_by_index+0x5e/0x80
[ 3125.551313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3125.551313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3125.551313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3125.551313][T12167]      ipv6_add_addr+0x411/0x2000
[ 3125.551313][T12167]      inet6_addr_add+0x30e/0xa40
[ 3125.551313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3125.551313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3125.551313][T12167]      netlink_rcv_skb+0x130/0x360
[ 3125.551313][T12167]      netlink_unicast+0x449/0x710
[ 3125.551313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3125.551313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3125.551313][T12167]      ___sys_sendmsg+0xee/0x170
[ 3125.551313][T12167]      __sys_sendmsg+0xcd/0x170
[ 3125.551313][T12167]      do_syscall_64+0xc6/0x1e0
[ 3125.551313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3125.551313][T12167] 
[ 3125.553735][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3125.553735][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3125.553735][T12167]      ipv6_find_idev+0x102/0x170
[ 3125.553735][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3125.553735][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3125.553735][T12167]      netlink_rcv_skb+0x130/0x360
[ 3125.553735][T12167]      netlink_unicast+0x449/0x710
[ 3125.553735][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3125.553735][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3125.553735][T12167]      ___sys_sendmsg+0xee/0x170
[ 3125.553735][T12167]      __sys_sendmsg+0xcd/0x170
[ 3125.553735][T12167]      do_syscall_64+0xc6/0x1e0
[ 3125.553735][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3125.553735][T12167] 
[ 3125.555609][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3125.555609][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3125.555609][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3125.555609][T12167]      ipv6_find_idev+0x102/0x170
[ 3125.555609][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3125.555609][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3125.555609][T12167]      netlink_rcv_skb+0x130/0x360
[ 3125.555609][T12167]      netlink_unicast+0x449/0x710
[ 3125.555609][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3125.555609][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3125.555609][T12167]      ___sys_sendmsg+0xee/0x170
[ 3125.555609][T12167]      __sys_sendmsg+0xcd/0x170
[ 3125.555609][T12167]      do_syscall_64+0xc6/0x1e0
[ 3125.555609][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3125.555609][T12167] 
[ 3135.798866][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3135.799398][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3135.799398][T12167]      netdev_get_by_index+0x5e/0x80
[ 3135.799398][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3135.799398][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3135.799398][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3135.799398][T12167]      ipv6_add_addr+0x411/0x2000
[ 3135.799398][T12167]      inet6_addr_add+0x30e/0xa40
[ 3135.799398][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.799398][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.799398][T12167]      netlink_rcv_skb+0x130/0x360
[ 3135.799398][T12167]      netlink_unicast+0x449/0x710
[ 3135.799398][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3135.799398][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.799398][T12167]      ___sys_sendmsg+0xee/0x170
[ 3135.799398][T12167]      __sys_sendmsg+0xcd/0x170
[ 3135.799398][T12167]      do_syscall_64+0xc6/0x1e0
[ 3135.799398][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.799398][T12167] 
[ 3135.801718][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3135.801718][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3135.801718][T12167]      ipv6_find_idev+0x102/0x170
[ 3135.801718][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.801718][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.801718][T12167]      netlink_rcv_skb+0x130/0x360
[ 3135.801718][T12167]      netlink_unicast+0x449/0x710
[ 3135.801718][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3135.801718][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.801718][T12167]      ___sys_sendmsg+0xee/0x170
[ 3135.801718][T12167]      __sys_sendmsg+0xcd/0x170
[ 3135.801718][T12167]      do_syscall_64+0xc6/0x1e0
[ 3135.801718][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.801718][T12167] 
[ 3135.803462][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3135.803462][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3135.803462][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3135.803462][T12167]      ipv6_find_idev+0x102/0x170
[ 3135.803462][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.803462][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.803462][T12167]      netlink_rcv_skb+0x130/0x360
[ 3135.803462][T12167]      netlink_unicast+0x449/0x710
[ 3135.803462][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3135.803462][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.803462][T12167]      ___sys_sendmsg+0xee/0x170
[ 3135.803462][T12167]      __sys_sendmsg+0xcd/0x170
[ 3135.803462][T12167]      do_syscall_64+0xc6/0x1e0
[ 3135.803462][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.803462][T12167] 
[ 3146.054825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3146.055317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3146.055317][T12167]      netdev_get_by_index+0x5e/0x80
[ 3146.055317][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3146.055317][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3146.055317][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3146.055317][T12167]      ipv6_add_addr+0x411/0x2000
[ 3146.055317][T12167]      inet6_addr_add+0x30e/0xa40
[ 3146.055317][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3146.055317][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3146.055317][T12167]      netlink_rcv_skb+0x130/0x360
[ 3146.055317][T12167]      netlink_unicast+0x449/0x710
[ 3146.055317][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3146.055317][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3146.055317][T12167]      ___sys_sendmsg+0xee/0x170
[ 3146.055317][T12167]      __sys_sendmsg+0xcd/0x170
[ 3146.055317][T12167]      do_syscall_64+0xc6/0x1e0
[ 3146.055317][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3146.055317][T12167] 
[ 3146.057806][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3146.057806][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3146.057806][T12167]      ipv6_find_idev+0x102/0x170
[ 3146.057806][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3146.057806][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3146.057806][T12167]      netlink_rcv_skb+0x130/0x360
[ 3146.057806][T12167]      netlink_unicast+0x449/0x710
[ 3146.057806][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3146.057806][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3146.057806][T12167]      ___sys_sendmsg+0xee/0x170
[ 3146.057806][T12167]      __sys_sendmsg+0xcd/0x170
[ 3146.057806][T12167]      do_syscall_64+0xc6/0x1e0
[ 3146.057806][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3146.057806][T12167] 
[ 3146.059700][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3146.059700][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3146.059700][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3146.059700][T12167]      ipv6_find_idev+0x102/0x170
[ 3146.059700][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3146.059700][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3146.059700][T12167]      netlink_rcv_skb+0x130/0x360
[ 3146.059700][T12167]      netlink_unicast+0x449/0x710
[ 3146.059700][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3146.059700][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3146.059700][T12167]      ___sys_sendmsg+0xee/0x170
[ 3146.059700][T12167]      __sys_sendmsg+0xcd/0x170
[ 3146.059700][T12167]      do_syscall_64+0xc6/0x1e0
[ 3146.059700][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3146.059700][T12167] 
[ 3156.310799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3156.311309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3156.311309][T12167]      netdev_get_by_index+0x5e/0x80
[ 3156.311309][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3156.311309][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3156.311309][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3156.311309][T12167]      ipv6_add_addr+0x411/0x2000
[ 3156.311309][T12167]      inet6_addr_add+0x30e/0xa40
[ 3156.311309][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3156.311309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3156.311309][T12167]      netlink_rcv_skb+0x130/0x360
[ 3156.311309][T12167]      netlink_unicast+0x449/0x710
[ 3156.311309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3156.311309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3156.311309][T12167]      ___sys_sendmsg+0xee/0x170
[ 3156.311309][T12167]      __sys_sendmsg+0xcd/0x170
[ 3156.311309][T12167]      do_syscall_64+0xc6/0x1e0
[ 3156.311309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3156.311309][T12167] 
[ 3156.313611][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3156.313611][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3156.313611][T12167]      ipv6_find_idev+0x102/0x170
[ 3156.313611][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3156.313611][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3156.313611][T12167]      netlink_rcv_skb+0x130/0x360
[ 3156.313611][T12167]      netlink_unicast+0x449/0x710
[ 3156.313611][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3156.313611][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3156.313611][T12167]      ___sys_sendmsg+0xee/0x170
[ 3156.313611][T12167]      __sys_sendmsg+0xcd/0x170
[ 3156.313611][T12167]      do_syscall_64+0xc6/0x1e0
[ 3156.313611][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3156.313611][T12167] 
[ 3156.315386][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3156.315386][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3156.315386][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3156.315386][T12167]      ipv6_find_idev+0x102/0x170
[ 3156.315386][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3156.315386][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3156.315386][T12167]      netlink_rcv_skb+0x130/0x360
[ 3156.315386][T12167]      netlink_unicast+0x449/0x710
[ 3156.315386][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3156.315386][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3156.315386][T12167]      ___sys_sendmsg+0xee/0x170
[ 3156.315386][T12167]      __sys_sendmsg+0xcd/0x170
[ 3156.315386][T12167]      do_syscall_64+0xc6/0x1e0
[ 3156.315386][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3156.315386][T12167] 
[ 3166.566824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3166.567343][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3166.567343][T12167]      netdev_get_by_index+0x5e/0x80
[ 3166.567343][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3166.567343][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3166.567343][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3166.567343][T12167]      ipv6_add_addr+0x411/0x2000
[ 3166.567343][T12167]      inet6_addr_add+0x30e/0xa40
[ 3166.567343][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3166.567343][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3166.567343][T12167]      netlink_rcv_skb+0x130/0x360
[ 3166.567343][T12167]      netlink_unicast+0x449/0x710
[ 3166.567343][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3166.567343][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3166.567343][T12167]      ___sys_sendmsg+0xee/0x170
[ 3166.567343][T12167]      __sys_sendmsg+0xcd/0x170
[ 3166.567343][T12167]      do_syscall_64+0xc6/0x1e0
[ 3166.567343][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3166.567343][T12167] 
[ 3166.569642][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3166.569642][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3166.569642][T12167]      ipv6_find_idev+0x102/0x170
[ 3166.569642][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3166.569642][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3166.569642][T12167]      netlink_rcv_skb+0x130/0x360
[ 3166.569642][T12167]      netlink_unicast+0x449/0x710
[ 3166.569642][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3166.569642][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3166.569642][T12167]      ___sys_sendmsg+0xee/0x170
[ 3166.569642][T12167]      __sys_sendmsg+0xcd/0x170
[ 3166.569642][T12167]      do_syscall_64+0xc6/0x1e0
[ 3166.569642][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3166.569642][T12167] 
[ 3166.571407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3166.571407][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3166.571407][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3166.571407][T12167]      ipv6_find_idev+0x102/0x170
[ 3166.571407][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3166.571407][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3166.571407][T12167]      netlink_rcv_skb+0x130/0x360
[ 3166.571407][T12167]      netlink_unicast+0x449/0x710
[ 3166.571407][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3166.571407][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3166.571407][T12167]      ___sys_sendmsg+0xee/0x170
[ 3166.571407][T12167]      __sys_sendmsg+0xcd/0x170
[ 3166.571407][T12167]      do_syscall_64+0xc6/0x1e0
[ 3166.571407][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3166.571407][T12167] 
[ 3176.822792][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3176.823286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3176.823286][T12167]      netdev_get_by_index+0x5e/0x80
[ 3176.823286][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3176.823286][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3176.823286][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3176.823286][T12167]      ipv6_add_addr+0x411/0x2000
[ 3176.823286][T12167]      inet6_addr_add+0x30e/0xa40
[ 3176.823286][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.823286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.823286][T12167]      netlink_rcv_skb+0x130/0x360
[ 3176.823286][T12167]      netlink_unicast+0x449/0x710
[ 3176.823286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3176.823286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.823286][T12167]      ___sys_sendmsg+0xee/0x170
[ 3176.823286][T12167]      __sys_sendmsg+0xcd/0x170
[ 3176.823286][T12167]      do_syscall_64+0xc6/0x1e0
[ 3176.823286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.823286][T12167] 
[ 3176.825762][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3176.825762][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3176.825762][T12167]      ipv6_find_idev+0x102/0x170
[ 3176.825762][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.825762][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.825762][T12167]      netlink_rcv_skb+0x130/0x360
[ 3176.825762][T12167]      netlink_unicast+0x449/0x710
[ 3176.825762][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3176.825762][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.825762][T12167]      ___sys_sendmsg+0xee/0x170
[ 3176.825762][T12167]      __sys_sendmsg+0xcd/0x170
[ 3176.825762][T12167]      do_syscall_64+0xc6/0x1e0
[ 3176.825762][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.825762][T12167] 
[ 3176.827662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3176.827662][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3176.827662][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3176.827662][T12167]      ipv6_find_idev+0x102/0x170
[ 3176.827662][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.827662][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.827662][T12167]      netlink_rcv_skb+0x130/0x360
[ 3176.827662][T12167]      netlink_unicast+0x449/0x710
[ 3176.827662][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3176.827662][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.827662][T12167]      ___sys_sendmsg+0xee/0x170
[ 3176.827662][T12167]      __sys_sendmsg+0xcd/0x170
[ 3176.827662][T12167]      do_syscall_64+0xc6/0x1e0
[ 3176.827662][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.827662][T12167] 
[ 3186.870820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3186.871428][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3186.871428][T12167]      netdev_get_by_index+0x5e/0x80
[ 3186.871428][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3186.871428][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3186.871428][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3186.871428][T12167]      ipv6_add_addr+0x411/0x2000
[ 3186.871428][T12167]      inet6_addr_add+0x30e/0xa40
[ 3186.871428][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.871428][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.871428][T12167]      netlink_rcv_skb+0x130/0x360
[ 3186.871428][T12167]      netlink_unicast+0x449/0x710
[ 3186.871428][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3186.871428][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.871428][T12167]      ___sys_sendmsg+0xee/0x170
[ 3186.871428][T12167]      __sys_sendmsg+0xcd/0x170
[ 3186.871428][T12167]      do_syscall_64+0xc6/0x1e0
[ 3186.871428][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.871428][T12167] 
[ 3186.873975][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3186.873975][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3186.873975][T12167]      ipv6_find_idev+0x102/0x170
[ 3186.873975][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.873975][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.873975][T12167]      netlink_rcv_skb+0x130/0x360
[ 3186.873975][T12167]      netlink_unicast+0x449/0x710
[ 3186.873975][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3186.873975][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.873975][T12167]      ___sys_sendmsg+0xee/0x170
[ 3186.873975][T12167]      __sys_sendmsg+0xcd/0x170
[ 3186.873975][T12167]      do_syscall_64+0xc6/0x1e0
[ 3186.873975][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.873975][T12167] 
[ 3186.875738][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3186.875738][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3186.875738][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3186.875738][T12167]      ipv6_find_idev+0x102/0x170
[ 3186.875738][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.875738][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.875738][T12167]      netlink_rcv_skb+0x130/0x360
[ 3186.875738][T12167]      netlink_unicast+0x449/0x710
[ 3186.875738][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3186.875738][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.875738][T12167]      ___sys_sendmsg+0xee/0x170
[ 3186.875738][T12167]      __sys_sendmsg+0xcd/0x170
[ 3186.875738][T12167]      do_syscall_64+0xc6/0x1e0
[ 3186.875738][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.875738][T12167] 
[ 3197.118796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3197.119329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3197.119329][T12167]      netdev_get_by_index+0x5e/0x80
[ 3197.119329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3197.119329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3197.119329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3197.119329][T12167]      ipv6_add_addr+0x411/0x2000
[ 3197.119329][T12167]      inet6_addr_add+0x30e/0xa40
[ 3197.119329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3197.119329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3197.119329][T12167]      netlink_rcv_skb+0x130/0x360
[ 3197.119329][T12167]      netlink_unicast+0x449/0x710
[ 3197.119329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3197.119329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3197.119329][T12167]      ___sys_sendmsg+0xee/0x170
[ 3197.119329][T12167]      __sys_sendmsg+0xcd/0x170
[ 3197.119329][T12167]      do_syscall_64+0xc6/0x1e0
[ 3197.119329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3197.119329][T12167] 
[ 3197.121661][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3197.121661][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3197.121661][T12167]      ipv6_find_idev+0x102/0x170
[ 3197.121661][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3197.121661][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3197.121661][T12167]      netlink_rcv_skb+0x130/0x360
[ 3197.121661][T12167]      netlink_unicast+0x449/0x710
[ 3197.121661][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3197.121661][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3197.121661][T12167]      ___sys_sendmsg+0xee/0x170
[ 3197.121661][T12167]      __sys_sendmsg+0xcd/0x170
[ 3197.121661][T12167]      do_syscall_64+0xc6/0x1e0
[ 3197.121661][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3197.121661][T12167] 
[ 3197.123432][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3197.123432][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3197.123432][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3197.123432][T12167]      ipv6_find_idev+0x102/0x170
[ 3197.123432][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3197.123432][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3197.123432][T12167]      netlink_rcv_skb+0x130/0x360
[ 3197.123432][T12167]      netlink_unicast+0x449/0x710
[ 3197.123432][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3197.123432][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3197.123432][T12167]      ___sys_sendmsg+0xee/0x170
[ 3197.123432][T12167]      __sys_sendmsg+0xcd/0x170
[ 3197.123432][T12167]      do_syscall_64+0xc6/0x1e0
[ 3197.123432][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3197.123432][T12167] 
[ 3207.174781][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3207.175327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3207.175327][T12167]      netdev_get_by_index+0x5e/0x80
[ 3207.175327][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3207.175327][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3207.175327][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3207.175327][T12167]      ipv6_add_addr+0x411/0x2000
[ 3207.175327][T12167]      inet6_addr_add+0x30e/0xa40
[ 3207.175327][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3207.175327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3207.175327][T12167]      netlink_rcv_skb+0x130/0x360
[ 3207.175327][T12167]      netlink_unicast+0x449/0x710
[ 3207.175327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3207.175327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3207.175327][T12167]      ___sys_sendmsg+0xee/0x170
[ 3207.175327][T12167]      __sys_sendmsg+0xcd/0x170
[ 3207.175327][T12167]      do_syscall_64+0xc6/0x1e0
[ 3207.175327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3207.175327][T12167] 
[ 3207.177714][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3207.177714][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3207.177714][T12167]      ipv6_find_idev+0x102/0x170
[ 3207.177714][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3207.177714][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3207.177714][T12167]      netlink_rcv_skb+0x130/0x360
[ 3207.177714][T12167]      netlink_unicast+0x449/0x710
[ 3207.177714][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3207.177714][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3207.177714][T12167]      ___sys_sendmsg+0xee/0x170
[ 3207.177714][T12167]      __sys_sendmsg+0xcd/0x170
[ 3207.177714][T12167]      do_syscall_64+0xc6/0x1e0
[ 3207.177714][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3207.177714][T12167] 
[ 3207.179574][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3207.179574][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3207.179574][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3207.179574][T12167]      ipv6_find_idev+0x102/0x170
[ 3207.179574][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3207.179574][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3207.179574][T12167]      netlink_rcv_skb+0x130/0x360
[ 3207.179574][T12167]      netlink_unicast+0x449/0x710
[ 3207.179574][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3207.179574][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3207.179574][T12167]      ___sys_sendmsg+0xee/0x170
[ 3207.179574][T12167]      __sys_sendmsg+0xcd/0x170
[ 3207.179574][T12167]      do_syscall_64+0xc6/0x1e0
[ 3207.179574][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3207.179574][T12167] 
[ 3217.422773][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3217.423256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3217.423256][T12167]      netdev_get_by_index+0x5e/0x80
[ 3217.423256][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3217.423256][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3217.423256][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3217.423256][T12167]      ipv6_add_addr+0x411/0x2000
[ 3217.423256][T12167]      inet6_addr_add+0x30e/0xa40
[ 3217.423256][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.423256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.423256][T12167]      netlink_rcv_skb+0x130/0x360
[ 3217.423256][T12167]      netlink_unicast+0x449/0x710
[ 3217.423256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3217.423256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.423256][T12167]      ___sys_sendmsg+0xee/0x170
[ 3217.423256][T12167]      __sys_sendmsg+0xcd/0x170
[ 3217.423256][T12167]      do_syscall_64+0xc6/0x1e0
[ 3217.423256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.423256][T12167] 
[ 3217.425639][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3217.425639][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3217.425639][T12167]      ipv6_find_idev+0x102/0x170
[ 3217.425639][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.425639][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.425639][T12167]      netlink_rcv_skb+0x130/0x360
[ 3217.425639][T12167]      netlink_unicast+0x449/0x710
[ 3217.425639][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3217.425639][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.425639][T12167]      ___sys_sendmsg+0xee/0x170
[ 3217.425639][T12167]      __sys_sendmsg+0xcd/0x170
[ 3217.425639][T12167]      do_syscall_64+0xc6/0x1e0
[ 3217.425639][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.425639][T12167] 
[ 3217.427499][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3217.427499][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3217.427499][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3217.427499][T12167]      ipv6_find_idev+0x102/0x170
[ 3217.427499][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.427499][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.427499][T12167]      netlink_rcv_skb+0x130/0x360
[ 3217.427499][T12167]      netlink_unicast+0x449/0x710
[ 3217.427499][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3217.427499][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.427499][T12167]      ___sys_sendmsg+0xee/0x170
[ 3217.427499][T12167]      __sys_sendmsg+0xcd/0x170
[ 3217.427499][T12167]      do_syscall_64+0xc6/0x1e0
[ 3217.427499][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.427499][T12167] 
[ 3227.670786][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3227.671229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3227.671229][T12167]      netdev_get_by_index+0x5e/0x80
[ 3227.671229][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3227.671229][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3227.671229][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3227.671229][T12167]      ipv6_add_addr+0x411/0x2000
[ 3227.671229][T12167]      inet6_addr_add+0x30e/0xa40
[ 3227.671229][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.671229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.671229][T12167]      netlink_rcv_skb+0x130/0x360
[ 3227.671229][T12167]      netlink_unicast+0x449/0x710
[ 3227.671229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3227.671229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.671229][T12167]      ___sys_sendmsg+0xee/0x170
[ 3227.671229][T12167]      __sys_sendmsg+0xcd/0x170
[ 3227.671229][T12167]      do_syscall_64+0xc6/0x1e0
[ 3227.671229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.671229][T12167] 
[ 3227.673535][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3227.673535][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3227.673535][T12167]      ipv6_find_idev+0x102/0x170
[ 3227.673535][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.673535][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.673535][T12167]      netlink_rcv_skb+0x130/0x360
[ 3227.673535][T12167]      netlink_unicast+0x449/0x710
[ 3227.673535][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3227.673535][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.673535][T12167]      ___sys_sendmsg+0xee/0x170
[ 3227.673535][T12167]      __sys_sendmsg+0xcd/0x170
[ 3227.673535][T12167]      do_syscall_64+0xc6/0x1e0
[ 3227.673535][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.673535][T12167] 
[ 3227.675389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3227.675389][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3227.675389][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3227.675389][T12167]      ipv6_find_idev+0x102/0x170
[ 3227.675389][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.675389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.675389][T12167]      netlink_rcv_skb+0x130/0x360
[ 3227.675389][T12167]      netlink_unicast+0x449/0x710
[ 3227.675389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3227.675389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.675389][T12167]      ___sys_sendmsg+0xee/0x170
[ 3227.675389][T12167]      __sys_sendmsg+0xcd/0x170
[ 3227.675389][T12167]      do_syscall_64+0xc6/0x1e0
[ 3227.675389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.675389][T12167] 
[ 3237.918803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3237.919459][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3237.919459][T12167]      netdev_get_by_index+0x5e/0x80
[ 3237.919459][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3237.919459][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3237.919459][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3237.919459][T12167]      ipv6_add_addr+0x411/0x2000
[ 3237.919459][T12167]      inet6_addr_add+0x30e/0xa40
[ 3237.919459][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.919459][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.919459][T12167]      netlink_rcv_skb+0x130/0x360
[ 3237.919459][T12167]      netlink_unicast+0x449/0x710
[ 3237.919459][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3237.919459][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.919459][T12167]      ___sys_sendmsg+0xee/0x170
[ 3237.919459][T12167]      __sys_sendmsg+0xcd/0x170
[ 3237.919459][T12167]      do_syscall_64+0xc6/0x1e0
[ 3237.919459][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.919459][T12167] 
[ 3237.923098][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3237.923098][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3237.923098][T12167]      ipv6_find_idev+0x102/0x170
[ 3237.923098][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.923098][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.923098][T12167]      netlink_rcv_skb+0x130/0x360
[ 3237.923098][T12167]      netlink_unicast+0x449/0x710
[ 3237.923098][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3237.923098][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.923098][T12167]      ___sys_sendmsg+0xee/0x170
[ 3237.923098][T12167]      __sys_sendmsg+0xcd/0x170
[ 3237.923098][T12167]      do_syscall_64+0xc6/0x1e0
[ 3237.923098][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.923098][T12167] 
[ 3237.925378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3237.925378][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3237.925378][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3237.925378][T12167]      ipv6_find_idev+0x102/0x170
[ 3237.925378][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.925378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.925378][T12167]      netlink_rcv_skb+0x130/0x360
[ 3237.925378][T12167]      netlink_unicast+0x449/0x710
[ 3237.925378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3237.925378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.925378][T12167]      ___sys_sendmsg+0xee/0x170
[ 3237.925378][T12167]      __sys_sendmsg+0xcd/0x170
[ 3237.925378][T12167]      do_syscall_64+0xc6/0x1e0
[ 3237.925378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.925378][T12167] 
[ 3248.166793][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3248.167322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3248.167322][T12167]      netdev_get_by_index+0x5e/0x80
[ 3248.167322][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3248.167322][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3248.167322][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3248.167322][T12167]      ipv6_add_addr+0x411/0x2000
[ 3248.167322][T12167]      inet6_addr_add+0x30e/0xa40
[ 3248.167322][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3248.167322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3248.167322][T12167]      netlink_rcv_skb+0x130/0x360
[ 3248.167322][T12167]      netlink_unicast+0x449/0x710
[ 3248.167322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3248.167322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3248.167322][T12167]      ___sys_sendmsg+0xee/0x170
[ 3248.167322][T12167]      __sys_sendmsg+0xcd/0x170
[ 3248.167322][T12167]      do_syscall_64+0xc6/0x1e0
[ 3248.167322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3248.167322][T12167] 
[ 3248.169726][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3248.169726][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3248.169726][T12167]      ipv6_find_idev+0x102/0x170
[ 3248.169726][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3248.169726][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3248.169726][T12167]      netlink_rcv_skb+0x130/0x360
[ 3248.169726][T12167]      netlink_unicast+0x449/0x710
[ 3248.169726][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3248.169726][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3248.169726][T12167]      ___sys_sendmsg+0xee/0x170
[ 3248.169726][T12167]      __sys_sendmsg+0xcd/0x170
[ 3248.169726][T12167]      do_syscall_64+0xc6/0x1e0
[ 3248.169726][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3248.169726][T12167] 
[ 3248.171671][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3248.171671][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3248.171671][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3248.171671][T12167]      ipv6_find_idev+0x102/0x170
[ 3248.171671][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3248.171671][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3248.171671][T12167]      netlink_rcv_skb+0x130/0x360
[ 3248.171671][T12167]      netlink_unicast+0x449/0x710
[ 3248.171671][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3248.171671][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3248.171671][T12167]      ___sys_sendmsg+0xee/0x170
[ 3248.171671][T12167]      __sys_sendmsg+0xcd/0x170
[ 3248.171671][T12167]      do_syscall_64+0xc6/0x1e0
[ 3248.171671][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3248.171671][T12167] 
[ 3258.414793][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3258.415270][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3258.415270][T12167]      netdev_get_by_index+0x5e/0x80
[ 3258.415270][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3258.415270][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3258.415270][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3258.415270][T12167]      ipv6_add_addr+0x411/0x2000
[ 3258.415270][T12167]      inet6_addr_add+0x30e/0xa40
[ 3258.415270][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.415270][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.415270][T12167]      netlink_rcv_skb+0x130/0x360
[ 3258.415270][T12167]      netlink_unicast+0x449/0x710
[ 3258.415270][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3258.415270][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.415270][T12167]      ___sys_sendmsg+0xee/0x170
[ 3258.415270][T12167]      __sys_sendmsg+0xcd/0x170
[ 3258.415270][T12167]      do_syscall_64+0xc6/0x1e0
[ 3258.415270][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.415270][T12167] 
[ 3258.417704][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3258.417704][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3258.417704][T12167]      ipv6_find_idev+0x102/0x170
[ 3258.417704][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.417704][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.417704][T12167]      netlink_rcv_skb+0x130/0x360
[ 3258.417704][T12167]      netlink_unicast+0x449/0x710
[ 3258.417704][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3258.417704][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.417704][T12167]      ___sys_sendmsg+0xee/0x170
[ 3258.417704][T12167]      __sys_sendmsg+0xcd/0x170
[ 3258.417704][T12167]      do_syscall_64+0xc6/0x1e0
[ 3258.417704][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.417704][T12167] 
[ 3258.419584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3258.419584][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3258.419584][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3258.419584][T12167]      ipv6_find_idev+0x102/0x170
[ 3258.419584][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.419584][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.419584][T12167]      netlink_rcv_skb+0x130/0x360
[ 3258.419584][T12167]      netlink_unicast+0x449/0x710
[ 3258.419584][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3258.419584][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.419584][T12167]      ___sys_sendmsg+0xee/0x170
[ 3258.419584][T12167]      __sys_sendmsg+0xcd/0x170
[ 3258.419584][T12167]      do_syscall_64+0xc6/0x1e0
[ 3258.419584][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.419584][T12167] 
[ 3268.662823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3268.663320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3268.663320][T12167]      netdev_get_by_index+0x5e/0x80
[ 3268.663320][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3268.663320][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3268.663320][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3268.663320][T12167]      ipv6_add_addr+0x411/0x2000
[ 3268.663320][T12167]      inet6_addr_add+0x30e/0xa40
[ 3268.663320][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.663320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.663320][T12167]      netlink_rcv_skb+0x130/0x360
[ 3268.663320][T12167]      netlink_unicast+0x449/0x710
[ 3268.663320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3268.663320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.663320][T12167]      ___sys_sendmsg+0xee/0x170
[ 3268.663320][T12167]      __sys_sendmsg+0xcd/0x170
[ 3268.663320][T12167]      do_syscall_64+0xc6/0x1e0
[ 3268.663320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.663320][T12167] 
[ 3268.665766][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3268.665766][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3268.665766][T12167]      ipv6_find_idev+0x102/0x170
[ 3268.665766][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.665766][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.665766][T12167]      netlink_rcv_skb+0x130/0x360
[ 3268.665766][T12167]      netlink_unicast+0x449/0x710
[ 3268.665766][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3268.665766][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.665766][T12167]      ___sys_sendmsg+0xee/0x170
[ 3268.665766][T12167]      __sys_sendmsg+0xcd/0x170
[ 3268.665766][T12167]      do_syscall_64+0xc6/0x1e0
[ 3268.665766][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.665766][T12167] 
[ 3268.667648][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3268.667648][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3268.667648][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3268.667648][T12167]      ipv6_find_idev+0x102/0x170
[ 3268.667648][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.667648][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.667648][T12167]      netlink_rcv_skb+0x130/0x360
[ 3268.667648][T12167]      netlink_unicast+0x449/0x710
[ 3268.667648][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3268.667648][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.667648][T12167]      ___sys_sendmsg+0xee/0x170
[ 3268.667648][T12167]      __sys_sendmsg+0xcd/0x170
[ 3268.667648][T12167]      do_syscall_64+0xc6/0x1e0
[ 3268.667648][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.667648][T12167] 
[ 3278.910780][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3278.911232][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3278.911232][T12167]      netdev_get_by_index+0x5e/0x80
[ 3278.911232][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3278.911232][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3278.911232][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3278.911232][T12167]      ipv6_add_addr+0x411/0x2000
[ 3278.911232][T12167]      inet6_addr_add+0x30e/0xa40
[ 3278.911232][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.911232][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.911232][T12167]      netlink_rcv_skb+0x130/0x360
[ 3278.911232][T12167]      netlink_unicast+0x449/0x710
[ 3278.911232][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3278.911232][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.911232][T12167]      ___sys_sendmsg+0xee/0x170
[ 3278.911232][T12167]      __sys_sendmsg+0xcd/0x170
[ 3278.911232][T12167]      do_syscall_64+0xc6/0x1e0
[ 3278.911232][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.911232][T12167] 
[ 3278.913622][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3278.913622][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3278.913622][T12167]      ipv6_find_idev+0x102/0x170
[ 3278.913622][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.913622][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.913622][T12167]      netlink_rcv_skb+0x130/0x360
[ 3278.913622][T12167]      netlink_unicast+0x449/0x710
[ 3278.913622][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3278.913622][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.913622][T12167]      ___sys_sendmsg+0xee/0x170
[ 3278.913622][T12167]      __sys_sendmsg+0xcd/0x170
[ 3278.913622][T12167]      do_syscall_64+0xc6/0x1e0
[ 3278.913622][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.913622][T12167] 
[ 3278.915355][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3278.915355][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3278.915355][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3278.915355][T12167]      ipv6_find_idev+0x102/0x170
[ 3278.915355][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.915355][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.915355][T12167]      netlink_rcv_skb+0x130/0x360
[ 3278.915355][T12167]      netlink_unicast+0x449/0x710
[ 3278.915355][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3278.915355][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.915355][T12167]      ___sys_sendmsg+0xee/0x170
[ 3278.915355][T12167]      __sys_sendmsg+0xcd/0x170
[ 3278.915355][T12167]      do_syscall_64+0xc6/0x1e0
[ 3278.915355][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.915355][T12167] 
[ 3289.118826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3289.119555][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3289.119555][T12167]      netdev_get_by_index+0x5e/0x80
[ 3289.119555][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3289.119555][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3289.119555][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3289.119555][T12167]      ipv6_add_addr+0x411/0x2000
[ 3289.119555][T12167]      inet6_addr_add+0x30e/0xa40
[ 3289.119555][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3289.119555][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3289.119555][T12167]      netlink_rcv_skb+0x130/0x360
[ 3289.119555][T12167]      netlink_unicast+0x449/0x710
[ 3289.119555][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3289.119555][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3289.119555][T12167]      ___sys_sendmsg+0xee/0x170
[ 3289.119555][T12167]      __sys_sendmsg+0xcd/0x170
[ 3289.119555][T12167]      do_syscall_64+0xc6/0x1e0
[ 3289.119555][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3289.119555][T12167] 
[ 3289.123112][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3289.123112][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3289.123112][T12167]      ipv6_find_idev+0x102/0x170
[ 3289.123112][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3289.123112][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3289.123112][T12167]      netlink_rcv_skb+0x130/0x360
[ 3289.123112][T12167]      netlink_unicast+0x449/0x710
[ 3289.123112][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3289.123112][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3289.123112][T12167]      ___sys_sendmsg+0xee/0x170
[ 3289.123112][T12167]      __sys_sendmsg+0xcd/0x170
[ 3289.123112][T12167]      do_syscall_64+0xc6/0x1e0
[ 3289.123112][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3289.123112][T12167] 
[ 3289.126151][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3289.126151][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3289.126151][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3289.126151][T12167]      ipv6_find_idev+0x102/0x170
[ 3289.126151][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3289.126151][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3289.126151][T12167]      netlink_rcv_skb+0x130/0x360
[ 3289.126151][T12167]      netlink_unicast+0x449/0x710
[ 3289.126151][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3289.126151][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3289.126151][T12167]      ___sys_sendmsg+0xee/0x170
[ 3289.126151][T12167]      __sys_sendmsg+0xcd/0x170
[ 3289.126151][T12167]      do_syscall_64+0xc6/0x1e0
[ 3289.126151][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3289.126151][T12167] 
[ 3299.838955][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3299.839432][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3299.839432][T12167]      netdev_get_by_index+0x5e/0x80
[ 3299.839432][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3299.839432][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3299.839432][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3299.839432][T12167]      ipv6_add_addr+0x411/0x2000
[ 3299.839432][T12167]      inet6_addr_add+0x30e/0xa40
[ 3299.839432][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3299.839432][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3299.839432][T12167]      netlink_rcv_skb+0x130/0x360
[ 3299.839432][T12167]      netlink_unicast+0x449/0x710
[ 3299.839432][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3299.839432][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3299.839432][T12167]      ___sys_sendmsg+0xee/0x170
[ 3299.839432][T12167]      __sys_sendmsg+0xcd/0x170
[ 3299.839432][T12167]      do_syscall_64+0xc6/0x1e0
[ 3299.839432][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3299.839432][T12167] 
[ 3299.841867][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3299.841867][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3299.841867][T12167]      ipv6_find_idev+0x102/0x170
[ 3299.841867][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3299.841867][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3299.841867][T12167]      netlink_rcv_skb+0x130/0x360
[ 3299.841867][T12167]      netlink_unicast+0x449/0x710
[ 3299.841867][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3299.841867][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3299.841867][T12167]      ___sys_sendmsg+0xee/0x170
[ 3299.841867][T12167]      __sys_sendmsg+0xcd/0x170
[ 3299.841867][T12167]      do_syscall_64+0xc6/0x1e0
[ 3299.841867][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3299.841867][T12167] 
[ 3299.843750][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3299.843750][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3299.843750][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3299.843750][T12167]      ipv6_find_idev+0x102/0x170
[ 3299.843750][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3299.843750][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3299.843750][T12167]      netlink_rcv_skb+0x130/0x360
[ 3299.843750][T12167]      netlink_unicast+0x449/0x710
[ 3299.843750][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3299.843750][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3299.843750][T12167]      ___sys_sendmsg+0xee/0x170
[ 3299.843750][T12167]      __sys_sendmsg+0xcd/0x170
[ 3299.843750][T12167]      do_syscall_64+0xc6/0x1e0
[ 3299.843750][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3299.843750][T12167] 
[ 3310.046770][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3310.047236][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3310.047236][T12167]      netdev_get_by_index+0x5e/0x80
[ 3310.047236][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3310.047236][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3310.047236][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3310.047236][T12167]      ipv6_add_addr+0x411/0x2000
[ 3310.047236][T12167]      inet6_addr_add+0x30e/0xa40
[ 3310.047236][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3310.047236][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3310.047236][T12167]      netlink_rcv_skb+0x130/0x360
[ 3310.047236][T12167]      netlink_unicast+0x449/0x710
[ 3310.047236][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3310.047236][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3310.047236][T12167]      ___sys_sendmsg+0xee/0x170
[ 3310.047236][T12167]      __sys_sendmsg+0xcd/0x170
[ 3310.047236][T12167]      do_syscall_64+0xc6/0x1e0
[ 3310.047236][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3310.047236][T12167] 
[ 3310.049666][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3310.049666][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3310.049666][T12167]      ipv6_find_idev+0x102/0x170
[ 3310.049666][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3310.049666][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3310.049666][T12167]      netlink_rcv_skb+0x130/0x360
[ 3310.049666][T12167]      netlink_unicast+0x449/0x710
[ 3310.049666][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3310.049666][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3310.049666][T12167]      ___sys_sendmsg+0xee/0x170
[ 3310.049666][T12167]      __sys_sendmsg+0xcd/0x170
[ 3310.049666][T12167]      do_syscall_64+0xc6/0x1e0
[ 3310.049666][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3310.049666][T12167] 
[ 3310.051557][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3310.051557][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3310.051557][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3310.051557][T12167]      ipv6_find_idev+0x102/0x170
[ 3310.051557][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3310.051557][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3310.051557][T12167]      netlink_rcv_skb+0x130/0x360
[ 3310.051557][T12167]      netlink_unicast+0x449/0x710
[ 3310.051557][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3310.051557][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3310.051557][T12167]      ___sys_sendmsg+0xee/0x170
[ 3310.051557][T12167]      __sys_sendmsg+0xcd/0x170
[ 3310.051557][T12167]      do_syscall_64+0xc6/0x1e0
[ 3310.051557][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3310.051557][T12167] 
[ 3320.294820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3320.295415][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3320.295415][T12167]      netdev_get_by_index+0x5e/0x80
[ 3320.295415][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3320.295415][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3320.295415][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3320.295415][T12167]      ipv6_add_addr+0x411/0x2000
[ 3320.295415][T12167]      inet6_addr_add+0x30e/0xa40
[ 3320.295415][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3320.295415][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3320.295415][T12167]      netlink_rcv_skb+0x130/0x360
[ 3320.295415][T12167]      netlink_unicast+0x449/0x710
[ 3320.295415][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3320.295415][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3320.295415][T12167]      ___sys_sendmsg+0xee/0x170
[ 3320.295415][T12167]      __sys_sendmsg+0xcd/0x170
[ 3320.295415][T12167]      do_syscall_64+0xc6/0x1e0
[ 3320.295415][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3320.295415][T12167] 
[ 3320.298757][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3320.298757][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3320.298757][T12167]      ipv6_find_idev+0x102/0x170
[ 3320.298757][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3320.298757][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3320.298757][T12167]      netlink_rcv_skb+0x130/0x360
[ 3320.298757][T12167]      netlink_unicast+0x449/0x710
[ 3320.298757][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3320.298757][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3320.298757][T12167]      ___sys_sendmsg+0xee/0x170
[ 3320.298757][T12167]      __sys_sendmsg+0xcd/0x170
[ 3320.298757][T12167]      do_syscall_64+0xc6/0x1e0
[ 3320.298757][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3320.298757][T12167] 
[ 3320.301424][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3320.301424][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3320.301424][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3320.301424][T12167]      ipv6_find_idev+0x102/0x170
[ 3320.301424][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3320.301424][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3320.301424][T12167]      netlink_rcv_skb+0x130/0x360
[ 3320.301424][T12167]      netlink_unicast+0x449/0x710
[ 3320.301424][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3320.301424][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3320.301424][T12167]      ___sys_sendmsg+0xee/0x170
[ 3320.301424][T12167]      __sys_sendmsg+0xcd/0x170
[ 3320.301424][T12167]      do_syscall_64+0xc6/0x1e0
[ 3320.301424][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3320.301424][T12167] 
[ 3330.542855][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3330.543354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3330.543354][T12167]      netdev_get_by_index+0x5e/0x80
[ 3330.543354][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3330.543354][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3330.543354][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3330.543354][T12167]      ipv6_add_addr+0x411/0x2000
[ 3330.543354][T12167]      inet6_addr_add+0x30e/0xa40
[ 3330.543354][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3330.543354][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3330.543354][T12167]      netlink_rcv_skb+0x130/0x360
[ 3330.543354][T12167]      netlink_unicast+0x449/0x710
[ 3330.543354][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3330.543354][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3330.543354][T12167]      ___sys_sendmsg+0xee/0x170
[ 3330.543354][T12167]      __sys_sendmsg+0xcd/0x170
[ 3330.543354][T12167]      do_syscall_64+0xc6/0x1e0
[ 3330.543354][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3330.543354][T12167] 
[ 3330.545637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3330.545637][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3330.545637][T12167]      ipv6_find_idev+0x102/0x170
[ 3330.545637][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3330.545637][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3330.545637][T12167]      netlink_rcv_skb+0x130/0x360
[ 3330.545637][T12167]      netlink_unicast+0x449/0x710
[ 3330.545637][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3330.545637][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3330.545637][T12167]      ___sys_sendmsg+0xee/0x170
[ 3330.545637][T12167]      __sys_sendmsg+0xcd/0x170
[ 3330.545637][T12167]      do_syscall_64+0xc6/0x1e0
[ 3330.545637][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3330.545637][T12167] 
[ 3330.547364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3330.547364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3330.547364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3330.547364][T12167]      ipv6_find_idev+0x102/0x170
[ 3330.547364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3330.547364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3330.547364][T12167]      netlink_rcv_skb+0x130/0x360
[ 3330.547364][T12167]      netlink_unicast+0x449/0x710
[ 3330.547364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3330.547364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3330.547364][T12167]      ___sys_sendmsg+0xee/0x170
[ 3330.547364][T12167]      __sys_sendmsg+0xcd/0x170
[ 3330.547364][T12167]      do_syscall_64+0xc6/0x1e0
[ 3330.547364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3330.547364][T12167] 
[ 3340.686761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3340.687242][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3340.687242][T12167]      netdev_get_by_index+0x5e/0x80
[ 3340.687242][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3340.687242][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3340.687242][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3340.687242][T12167]      ipv6_add_addr+0x411/0x2000
[ 3340.687242][T12167]      inet6_addr_add+0x30e/0xa40
[ 3340.687242][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3340.687242][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3340.687242][T12167]      netlink_rcv_skb+0x130/0x360
[ 3340.687242][T12167]      netlink_unicast+0x449/0x710
[ 3340.687242][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3340.687242][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3340.687242][T12167]      ___sys_sendmsg+0xee/0x170
[ 3340.687242][T12167]      __sys_sendmsg+0xcd/0x170
[ 3340.687242][T12167]      do_syscall_64+0xc6/0x1e0
[ 3340.687242][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3340.687242][T12167] 
[ 3340.689718][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3340.689718][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3340.689718][T12167]      ipv6_find_idev+0x102/0x170
[ 3340.689718][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3340.689718][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3340.689718][T12167]      netlink_rcv_skb+0x130/0x360
[ 3340.689718][T12167]      netlink_unicast+0x449/0x710
[ 3340.689718][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3340.689718][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3340.689718][T12167]      ___sys_sendmsg+0xee/0x170
[ 3340.689718][T12167]      __sys_sendmsg+0xcd/0x170
[ 3340.689718][T12167]      do_syscall_64+0xc6/0x1e0
[ 3340.689718][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3340.689718][T12167] 
[ 3340.691593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3340.691593][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3340.691593][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3340.691593][T12167]      ipv6_find_idev+0x102/0x170
[ 3340.691593][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3340.691593][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3340.691593][T12167]      netlink_rcv_skb+0x130/0x360
[ 3340.691593][T12167]      netlink_unicast+0x449/0x710
[ 3340.691593][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3340.691593][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3340.691593][T12167]      ___sys_sendmsg+0xee/0x170
[ 3340.691593][T12167]      __sys_sendmsg+0xcd/0x170
[ 3340.691593][T12167]      do_syscall_64+0xc6/0x1e0
[ 3340.691593][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3340.691593][T12167] 
[ 3350.934785][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3350.935457][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3350.935457][T12167]      netdev_get_by_index+0x5e/0x80
[ 3350.935457][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3350.935457][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3350.935457][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3350.935457][T12167]      ipv6_add_addr+0x411/0x2000
[ 3350.935457][T12167]      inet6_addr_add+0x30e/0xa40
[ 3350.935457][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3350.935457][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.935457][T12167]      netlink_rcv_skb+0x130/0x360
[ 3350.935457][T12167]      netlink_unicast+0x449/0x710
[ 3350.935457][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3350.935457][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.935457][T12167]      ___sys_sendmsg+0xee/0x170
[ 3350.935457][T12167]      __sys_sendmsg+0xcd/0x170
[ 3350.935457][T12167]      do_syscall_64+0xc6/0x1e0
[ 3350.935457][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.935457][T12167] 
[ 3350.938973][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3350.938973][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3350.938973][T12167]      ipv6_find_idev+0x102/0x170
[ 3350.938973][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3350.938973][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.938973][T12167]      netlink_rcv_skb+0x130/0x360
[ 3350.938973][T12167]      netlink_unicast+0x449/0x710
[ 3350.938973][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3350.938973][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.938973][T12167]      ___sys_sendmsg+0xee/0x170
[ 3350.938973][T12167]      __sys_sendmsg+0xcd/0x170
[ 3350.938973][T12167]      do_syscall_64+0xc6/0x1e0
[ 3350.938973][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.938973][T12167] 
[ 3350.941739][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3350.941739][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3350.941739][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3350.941739][T12167]      ipv6_find_idev+0x102/0x170
[ 3350.941739][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3350.941739][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.941739][T12167]      netlink_rcv_skb+0x130/0x360
[ 3350.941739][T12167]      netlink_unicast+0x449/0x710
[ 3350.941739][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3350.941739][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.941739][T12167]      ___sys_sendmsg+0xee/0x170
[ 3350.941739][T12167]      __sys_sendmsg+0xcd/0x170
[ 3350.941739][T12167]      do_syscall_64+0xc6/0x1e0
[ 3350.941739][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.941739][T12167] 
[ 3360.990772][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3360.991254][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3360.991254][T12167]      netdev_get_by_index+0x5e/0x80
[ 3360.991254][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3360.991254][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3360.991254][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3360.991254][T12167]      ipv6_add_addr+0x411/0x2000
[ 3360.991254][T12167]      inet6_addr_add+0x30e/0xa40
[ 3360.991254][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.991254][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.991254][T12167]      netlink_rcv_skb+0x130/0x360
[ 3360.991254][T12167]      netlink_unicast+0x449/0x710
[ 3360.991254][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3360.991254][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.991254][T12167]      ___sys_sendmsg+0xee/0x170
[ 3360.991254][T12167]      __sys_sendmsg+0xcd/0x170
[ 3360.991254][T12167]      do_syscall_64+0xc6/0x1e0
[ 3360.991254][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.991254][T12167] 
[ 3360.993975][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3360.993975][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3360.993975][T12167]      ipv6_find_idev+0x102/0x170
[ 3360.993975][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.993975][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.993975][T12167]      netlink_rcv_skb+0x130/0x360
[ 3360.993975][T12167]      netlink_unicast+0x449/0x710
[ 3360.993975][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3360.993975][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.993975][T12167]      ___sys_sendmsg+0xee/0x170
[ 3360.993975][T12167]      __sys_sendmsg+0xcd/0x170
[ 3360.993975][T12167]      do_syscall_64+0xc6/0x1e0
[ 3360.993975][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.993975][T12167] 
[ 3360.996190][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3360.996190][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3360.996190][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3360.996190][T12167]      ipv6_find_idev+0x102/0x170
[ 3360.996190][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.996190][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.996190][T12167]      netlink_rcv_skb+0x130/0x360
[ 3360.996190][T12167]      netlink_unicast+0x449/0x710
[ 3360.996190][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3360.996190][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.996190][T12167]      ___sys_sendmsg+0xee/0x170
[ 3360.996190][T12167]      __sys_sendmsg+0xcd/0x170
[ 3360.996190][T12167]      do_syscall_64+0xc6/0x1e0
[ 3360.996190][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.996190][T12167] 
[ 3371.238802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3371.239425][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3371.239425][T12167]      netdev_get_by_index+0x5e/0x80
[ 3371.239425][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3371.239425][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3371.239425][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3371.239425][T12167]      ipv6_add_addr+0x411/0x2000
[ 3371.239425][T12167]      inet6_addr_add+0x30e/0xa40
[ 3371.239425][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3371.239425][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3371.239425][T12167]      netlink_rcv_skb+0x130/0x360
[ 3371.239425][T12167]      netlink_unicast+0x449/0x710
[ 3371.239425][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3371.239425][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3371.239425][T12167]      ___sys_sendmsg+0xee/0x170
[ 3371.239425][T12167]      __sys_sendmsg+0xcd/0x170
[ 3371.239425][T12167]      do_syscall_64+0xc6/0x1e0
[ 3371.239425][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3371.239425][T12167] 
[ 3371.243100][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3371.243100][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3371.243100][T12167]      ipv6_find_idev+0x102/0x170
[ 3371.243100][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3371.243100][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3371.243100][T12167]      netlink_rcv_skb+0x130/0x360
[ 3371.243100][T12167]      netlink_unicast+0x449/0x710
[ 3371.243100][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3371.243100][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3371.243100][T12167]      ___sys_sendmsg+0xee/0x170
[ 3371.243100][T12167]      __sys_sendmsg+0xcd/0x170
[ 3371.243100][T12167]      do_syscall_64+0xc6/0x1e0
[ 3371.243100][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3371.243100][T12167] 
[ 3371.245836][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3371.245836][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3371.245836][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3371.245836][T12167]      ipv6_find_idev+0x102/0x170
[ 3371.245836][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3371.245836][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3371.245836][T12167]      netlink_rcv_skb+0x130/0x360
[ 3371.245836][T12167]      netlink_unicast+0x449/0x710
[ 3371.245836][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3371.245836][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3371.245836][T12167]      ___sys_sendmsg+0xee/0x170
[ 3371.245836][T12167]      __sys_sendmsg+0xcd/0x170
[ 3371.245836][T12167]      do_syscall_64+0xc6/0x1e0
[ 3371.245836][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3371.245836][T12167] 
[ 3381.486820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3381.487321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3381.487321][T12167]      netdev_get_by_index+0x5e/0x80
[ 3381.487321][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3381.487321][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3381.487321][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3381.487321][T12167]      ipv6_add_addr+0x411/0x2000
[ 3381.487321][T12167]      inet6_addr_add+0x30e/0xa40
[ 3381.487321][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3381.487321][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3381.487321][T12167]      netlink_rcv_skb+0x130/0x360
[ 3381.487321][T12167]      netlink_unicast+0x449/0x710
[ 3381.487321][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3381.487321][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3381.487321][T12167]      ___sys_sendmsg+0xee/0x170
[ 3381.487321][T12167]      __sys_sendmsg+0xcd/0x170
[ 3381.487321][T12167]      do_syscall_64+0xc6/0x1e0
[ 3381.487321][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3381.487321][T12167] 
[ 3381.489800][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3381.489800][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3381.489800][T12167]      ipv6_find_idev+0x102/0x170
[ 3381.489800][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3381.489800][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3381.489800][T12167]      netlink_rcv_skb+0x130/0x360
[ 3381.489800][T12167]      netlink_unicast+0x449/0x710
[ 3381.489800][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3381.489800][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3381.489800][T12167]      ___sys_sendmsg+0xee/0x170
[ 3381.489800][T12167]      __sys_sendmsg+0xcd/0x170
[ 3381.489800][T12167]      do_syscall_64+0xc6/0x1e0
[ 3381.489800][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3381.489800][T12167] 
[ 3381.491636][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3381.491636][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3381.491636][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3381.491636][T12167]      ipv6_find_idev+0x102/0x170
[ 3381.491636][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3381.491636][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3381.491636][T12167]      netlink_rcv_skb+0x130/0x360
[ 3381.491636][T12167]      netlink_unicast+0x449/0x710
[ 3381.491636][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3381.491636][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3381.491636][T12167]      ___sys_sendmsg+0xee/0x170
[ 3381.491636][T12167]      __sys_sendmsg+0xcd/0x170
[ 3381.491636][T12167]      do_syscall_64+0xc6/0x1e0
[ 3381.491636][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3381.491636][T12167] 
[ 3391.734831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3391.735329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3391.735329][T12167]      netdev_get_by_index+0x5e/0x80
[ 3391.735329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3391.735329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3391.735329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3391.735329][T12167]      ipv6_add_addr+0x411/0x2000
[ 3391.735329][T12167]      inet6_addr_add+0x30e/0xa40
[ 3391.735329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.735329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.735329][T12167]      netlink_rcv_skb+0x130/0x360
[ 3391.735329][T12167]      netlink_unicast+0x449/0x710
[ 3391.735329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3391.735329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.735329][T12167]      ___sys_sendmsg+0xee/0x170
[ 3391.735329][T12167]      __sys_sendmsg+0xcd/0x170
[ 3391.735329][T12167]      do_syscall_64+0xc6/0x1e0
[ 3391.735329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.735329][T12167] 
[ 3391.737604][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3391.737604][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3391.737604][T12167]      ipv6_find_idev+0x102/0x170
[ 3391.737604][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.737604][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.737604][T12167]      netlink_rcv_skb+0x130/0x360
[ 3391.737604][T12167]      netlink_unicast+0x449/0x710
[ 3391.737604][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3391.737604][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.737604][T12167]      ___sys_sendmsg+0xee/0x170
[ 3391.737604][T12167]      __sys_sendmsg+0xcd/0x170
[ 3391.737604][T12167]      do_syscall_64+0xc6/0x1e0
[ 3391.737604][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.737604][T12167] 
[ 3391.739334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3391.739334][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3391.739334][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3391.739334][T12167]      ipv6_find_idev+0x102/0x170
[ 3391.739334][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.739334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.739334][T12167]      netlink_rcv_skb+0x130/0x360
[ 3391.739334][T12167]      netlink_unicast+0x449/0x710
[ 3391.739334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3391.739334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.739334][T12167]      ___sys_sendmsg+0xee/0x170
[ 3391.739334][T12167]      __sys_sendmsg+0xcd/0x170
[ 3391.739334][T12167]      do_syscall_64+0xc6/0x1e0
[ 3391.739334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.739334][T12167] 
[ 3401.782789][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3401.783308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3401.783308][T12167]      netdev_get_by_index+0x5e/0x80
[ 3401.783308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3401.783308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3401.783308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3401.783308][T12167]      ipv6_add_addr+0x411/0x2000
[ 3401.783308][T12167]      inet6_addr_add+0x30e/0xa40
[ 3401.783308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.783308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.783308][T12167]      netlink_rcv_skb+0x130/0x360
[ 3401.783308][T12167]      netlink_unicast+0x449/0x710
[ 3401.783308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3401.783308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.783308][T12167]      ___sys_sendmsg+0xee/0x170
[ 3401.783308][T12167]      __sys_sendmsg+0xcd/0x170
[ 3401.783308][T12167]      do_syscall_64+0xc6/0x1e0
[ 3401.783308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.783308][T12167] 
[ 3401.785584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3401.785584][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3401.785584][T12167]      ipv6_find_idev+0x102/0x170
[ 3401.785584][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.785584][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.785584][T12167]      netlink_rcv_skb+0x130/0x360
[ 3401.785584][T12167]      netlink_unicast+0x449/0x710
[ 3401.785584][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3401.785584][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.785584][T12167]      ___sys_sendmsg+0xee/0x170
[ 3401.785584][T12167]      __sys_sendmsg+0xcd/0x170
[ 3401.785584][T12167]      do_syscall_64+0xc6/0x1e0
[ 3401.785584][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.785584][T12167] 
[ 3401.787321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3401.787321][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3401.787321][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3401.787321][T12167]      ipv6_find_idev+0x102/0x170
[ 3401.787321][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.787321][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.787321][T12167]      netlink_rcv_skb+0x130/0x360
[ 3401.787321][T12167]      netlink_unicast+0x449/0x710
[ 3401.787321][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3401.787321][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.787321][T12167]      ___sys_sendmsg+0xee/0x170
[ 3401.787321][T12167]      __sys_sendmsg+0xcd/0x170
[ 3401.787321][T12167]      do_syscall_64+0xc6/0x1e0
[ 3401.787321][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.787321][T12167] 
[ 3412.038805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3412.039364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3412.039364][T12167]      netdev_get_by_index+0x5e/0x80
[ 3412.039364][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3412.039364][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3412.039364][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3412.039364][T12167]      ipv6_add_addr+0x411/0x2000
[ 3412.039364][T12167]      inet6_addr_add+0x30e/0xa40
[ 3412.039364][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3412.039364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3412.039364][T12167]      netlink_rcv_skb+0x130/0x360
[ 3412.039364][T12167]      netlink_unicast+0x449/0x710
[ 3412.039364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3412.039364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3412.039364][T12167]      ___sys_sendmsg+0xee/0x170
[ 3412.039364][T12167]      __sys_sendmsg+0xcd/0x170
[ 3412.039364][T12167]      do_syscall_64+0xc6/0x1e0
[ 3412.039364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3412.039364][T12167] 
[ 3412.041684][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3412.041684][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3412.041684][T12167]      ipv6_find_idev+0x102/0x170
[ 3412.041684][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3412.041684][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3412.041684][T12167]      netlink_rcv_skb+0x130/0x360
[ 3412.041684][T12167]      netlink_unicast+0x449/0x710
[ 3412.041684][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3412.041684][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3412.041684][T12167]      ___sys_sendmsg+0xee/0x170
[ 3412.041684][T12167]      __sys_sendmsg+0xcd/0x170
[ 3412.041684][T12167]      do_syscall_64+0xc6/0x1e0
[ 3412.041684][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3412.041684][T12167] 
[ 3412.043455][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3412.043455][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3412.043455][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3412.043455][T12167]      ipv6_find_idev+0x102/0x170
[ 3412.043455][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3412.043455][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3412.043455][T12167]      netlink_rcv_skb+0x130/0x360
[ 3412.043455][T12167]      netlink_unicast+0x449/0x710
[ 3412.043455][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3412.043455][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3412.043455][T12167]      ___sys_sendmsg+0xee/0x170
[ 3412.043455][T12167]      __sys_sendmsg+0xcd/0x170
[ 3412.043455][T12167]      do_syscall_64+0xc6/0x1e0
[ 3412.043455][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3412.043455][T12167] 
[ 3422.294839][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3422.295525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3422.295525][T12167]      netdev_get_by_index+0x5e/0x80
[ 3422.295525][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3422.295525][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3422.295525][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3422.295525][T12167]      ipv6_add_addr+0x411/0x2000
[ 3422.295525][T12167]      inet6_addr_add+0x30e/0xa40
[ 3422.295525][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3422.295525][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3422.295525][T12167]      netlink_rcv_skb+0x130/0x360
[ 3422.295525][T12167]      netlink_unicast+0x449/0x710
[ 3422.295525][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3422.295525][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3422.295525][T12167]      ___sys_sendmsg+0xee/0x170
[ 3422.295525][T12167]      __sys_sendmsg+0xcd/0x170
[ 3422.295525][T12167]      do_syscall_64+0xc6/0x1e0
[ 3422.295525][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3422.295525][T12167] 
[ 3422.299353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3422.299353][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3422.299353][T12167]      ipv6_find_idev+0x102/0x170
[ 3422.299353][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3422.299353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3422.299353][T12167]      netlink_rcv_skb+0x130/0x360
[ 3422.299353][T12167]      netlink_unicast+0x449/0x710
[ 3422.299353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3422.299353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3422.299353][T12167]      ___sys_sendmsg+0xee/0x170
[ 3422.299353][T12167]      __sys_sendmsg+0xcd/0x170
[ 3422.299353][T12167]      do_syscall_64+0xc6/0x1e0
[ 3422.299353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3422.299353][T12167] 
[ 3422.302086][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3422.302086][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3422.302086][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3422.302086][T12167]      ipv6_find_idev+0x102/0x170
[ 3422.302086][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3422.302086][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3422.302086][T12167]      netlink_rcv_skb+0x130/0x360
[ 3422.302086][T12167]      netlink_unicast+0x449/0x710
[ 3422.302086][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3422.302086][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3422.302086][T12167]      ___sys_sendmsg+0xee/0x170
[ 3422.302086][T12167]      __sys_sendmsg+0xcd/0x170
[ 3422.302086][T12167]      do_syscall_64+0xc6/0x1e0
[ 3422.302086][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3422.302086][T12167] 
[ 3432.550835][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3432.551348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3432.551348][T12167]      netdev_get_by_index+0x5e/0x80
[ 3432.551348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3432.551348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3432.551348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3432.551348][T12167]      ipv6_add_addr+0x411/0x2000
[ 3432.551348][T12167]      inet6_addr_add+0x30e/0xa40
[ 3432.551348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3432.551348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3432.551348][T12167]      netlink_rcv_skb+0x130/0x360
[ 3432.551348][T12167]      netlink_unicast+0x449/0x710
[ 3432.551348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3432.551348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3432.551348][T12167]      ___sys_sendmsg+0xee/0x170
[ 3432.551348][T12167]      __sys_sendmsg+0xcd/0x170
[ 3432.551348][T12167]      do_syscall_64+0xc6/0x1e0
[ 3432.551348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3432.551348][T12167] 
[ 3432.553647][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3432.553647][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3432.553647][T12167]      ipv6_find_idev+0x102/0x170
[ 3432.553647][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3432.553647][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3432.553647][T12167]      netlink_rcv_skb+0x130/0x360
[ 3432.553647][T12167]      netlink_unicast+0x449/0x710
[ 3432.553647][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3432.553647][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3432.553647][T12167]      ___sys_sendmsg+0xee/0x170
[ 3432.553647][T12167]      __sys_sendmsg+0xcd/0x170
[ 3432.553647][T12167]      do_syscall_64+0xc6/0x1e0
[ 3432.553647][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3432.553647][T12167] 
[ 3432.555384][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3432.555384][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3432.555384][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3432.555384][T12167]      ipv6_find_idev+0x102/0x170
[ 3432.555384][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3432.555384][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3432.555384][T12167]      netlink_rcv_skb+0x130/0x360
[ 3432.555384][T12167]      netlink_unicast+0x449/0x710
[ 3432.555384][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3432.555384][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3432.555384][T12167]      ___sys_sendmsg+0xee/0x170
[ 3432.555384][T12167]      __sys_sendmsg+0xcd/0x170
[ 3432.555384][T12167]      do_syscall_64+0xc6/0x1e0
[ 3432.555384][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3432.555384][T12167] 
[ 3442.806791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3442.807320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3442.807320][T12167]      netdev_get_by_index+0x5e/0x80
[ 3442.807320][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3442.807320][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3442.807320][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3442.807320][T12167]      ipv6_add_addr+0x411/0x2000
[ 3442.807320][T12167]      inet6_addr_add+0x30e/0xa40
[ 3442.807320][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.807320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.807320][T12167]      netlink_rcv_skb+0x130/0x360
[ 3442.807320][T12167]      netlink_unicast+0x449/0x710
[ 3442.807320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3442.807320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.807320][T12167]      ___sys_sendmsg+0xee/0x170
[ 3442.807320][T12167]      __sys_sendmsg+0xcd/0x170
[ 3442.807320][T12167]      do_syscall_64+0xc6/0x1e0
[ 3442.807320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.807320][T12167] 
[ 3442.809603][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3442.809603][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3442.809603][T12167]      ipv6_find_idev+0x102/0x170
[ 3442.809603][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.809603][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.809603][T12167]      netlink_rcv_skb+0x130/0x360
[ 3442.809603][T12167]      netlink_unicast+0x449/0x710
[ 3442.809603][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3442.809603][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.809603][T12167]      ___sys_sendmsg+0xee/0x170
[ 3442.809603][T12167]      __sys_sendmsg+0xcd/0x170
[ 3442.809603][T12167]      do_syscall_64+0xc6/0x1e0
[ 3442.809603][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.809603][T12167] 
[ 3442.811350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3442.811350][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3442.811350][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3442.811350][T12167]      ipv6_find_idev+0x102/0x170
[ 3442.811350][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.811350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.811350][T12167]      netlink_rcv_skb+0x130/0x360
[ 3442.811350][T12167]      netlink_unicast+0x449/0x710
[ 3442.811350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3442.811350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.811350][T12167]      ___sys_sendmsg+0xee/0x170
[ 3442.811350][T12167]      __sys_sendmsg+0xcd/0x170
[ 3442.811350][T12167]      do_syscall_64+0xc6/0x1e0
[ 3442.811350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.811350][T12167] 
[ 3453.062786][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3453.063492][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3453.063492][T12167]      netdev_get_by_index+0x5e/0x80
[ 3453.063492][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3453.063492][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3453.063492][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3453.063492][T12167]      ipv6_add_addr+0x411/0x2000
[ 3453.063492][T12167]      inet6_addr_add+0x30e/0xa40
[ 3453.063492][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3453.063492][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3453.063492][T12167]      netlink_rcv_skb+0x130/0x360
[ 3453.063492][T12167]      netlink_unicast+0x449/0x710
[ 3453.063492][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3453.063492][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3453.063492][T12167]      ___sys_sendmsg+0xee/0x170
[ 3453.063492][T12167]      __sys_sendmsg+0xcd/0x170
[ 3453.063492][T12167]      do_syscall_64+0xc6/0x1e0
[ 3453.063492][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3453.063492][T12167] 
[ 3453.067033][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3453.067033][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3453.067033][T12167]      ipv6_find_idev+0x102/0x170
[ 3453.067033][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3453.067033][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3453.067033][T12167]      netlink_rcv_skb+0x130/0x360
[ 3453.067033][T12167]      netlink_unicast+0x449/0x710
[ 3453.067033][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3453.067033][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3453.067033][T12167]      ___sys_sendmsg+0xee/0x170
[ 3453.067033][T12167]      __sys_sendmsg+0xcd/0x170
[ 3453.067033][T12167]      do_syscall_64+0xc6/0x1e0
[ 3453.067033][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3453.067033][T12167] 
[ 3453.069813][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3453.069813][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3453.069813][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3453.069813][T12167]      ipv6_find_idev+0x102/0x170
[ 3453.069813][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3453.069813][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3453.069813][T12167]      netlink_rcv_skb+0x130/0x360
[ 3453.069813][T12167]      netlink_unicast+0x449/0x710
[ 3453.069813][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3453.069813][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3453.069813][T12167]      ___sys_sendmsg+0xee/0x170
[ 3453.069813][T12167]      __sys_sendmsg+0xcd/0x170
[ 3453.069813][T12167]      do_syscall_64+0xc6/0x1e0
[ 3453.069813][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3453.069813][T12167] 
[ 3463.318879][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3463.319418][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3463.319418][T12167]      netdev_get_by_index+0x5e/0x80
[ 3463.319418][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3463.319418][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3463.319418][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3463.319418][T12167]      ipv6_add_addr+0x411/0x2000
[ 3463.319418][T12167]      inet6_addr_add+0x30e/0xa40
[ 3463.319418][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3463.319418][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3463.319418][T12167]      netlink_rcv_skb+0x130/0x360
[ 3463.319418][T12167]      netlink_unicast+0x449/0x710
[ 3463.319418][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3463.319418][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3463.319418][T12167]      ___sys_sendmsg+0xee/0x170
[ 3463.319418][T12167]      __sys_sendmsg+0xcd/0x170
[ 3463.319418][T12167]      do_syscall_64+0xc6/0x1e0
[ 3463.319418][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3463.319418][T12167] 
[ 3463.321688][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3463.321688][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3463.321688][T12167]      ipv6_find_idev+0x102/0x170
[ 3463.321688][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3463.321688][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3463.321688][T12167]      netlink_rcv_skb+0x130/0x360
[ 3463.321688][T12167]      netlink_unicast+0x449/0x710
[ 3463.321688][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3463.321688][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3463.321688][T12167]      ___sys_sendmsg+0xee/0x170
[ 3463.321688][T12167]      __sys_sendmsg+0xcd/0x170
[ 3463.321688][T12167]      do_syscall_64+0xc6/0x1e0
[ 3463.321688][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3463.321688][T12167] 
[ 3463.323418][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3463.323418][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3463.323418][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3463.323418][T12167]      ipv6_find_idev+0x102/0x170
[ 3463.323418][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3463.323418][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3463.323418][T12167]      netlink_rcv_skb+0x130/0x360
[ 3463.323418][T12167]      netlink_unicast+0x449/0x710
[ 3463.323418][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3463.323418][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3463.323418][T12167]      ___sys_sendmsg+0xee/0x170
[ 3463.323418][T12167]      __sys_sendmsg+0xcd/0x170
[ 3463.323418][T12167]      do_syscall_64+0xc6/0x1e0
[ 3463.323418][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3463.323418][T12167] 
[ 3473.574892][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3473.575411][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3473.575411][T12167]      netdev_get_by_index+0x5e/0x80
[ 3473.575411][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3473.575411][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3473.575411][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3473.575411][T12167]      ipv6_add_addr+0x411/0x2000
[ 3473.575411][T12167]      inet6_addr_add+0x30e/0xa40
[ 3473.575411][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.575411][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.575411][T12167]      netlink_rcv_skb+0x130/0x360
[ 3473.575411][T12167]      netlink_unicast+0x449/0x710
[ 3473.575411][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3473.575411][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.575411][T12167]      ___sys_sendmsg+0xee/0x170
[ 3473.575411][T12167]      __sys_sendmsg+0xcd/0x170
[ 3473.575411][T12167]      do_syscall_64+0xc6/0x1e0
[ 3473.575411][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.575411][T12167] 
[ 3473.577679][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3473.577679][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3473.577679][T12167]      ipv6_find_idev+0x102/0x170
[ 3473.577679][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.577679][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.577679][T12167]      netlink_rcv_skb+0x130/0x360
[ 3473.577679][T12167]      netlink_unicast+0x449/0x710
[ 3473.577679][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3473.577679][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.577679][T12167]      ___sys_sendmsg+0xee/0x170
[ 3473.577679][T12167]      __sys_sendmsg+0xcd/0x170
[ 3473.577679][T12167]      do_syscall_64+0xc6/0x1e0
[ 3473.577679][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.577679][T12167] 
[ 3473.579427][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3473.579427][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3473.579427][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3473.579427][T12167]      ipv6_find_idev+0x102/0x170
[ 3473.579427][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.579427][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.579427][T12167]      netlink_rcv_skb+0x130/0x360
[ 3473.579427][T12167]      netlink_unicast+0x449/0x710
[ 3473.579427][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3473.579427][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.579427][T12167]      ___sys_sendmsg+0xee/0x170
[ 3473.579427][T12167]      __sys_sendmsg+0xcd/0x170
[ 3473.579427][T12167]      do_syscall_64+0xc6/0x1e0
[ 3473.579427][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.579427][T12167] 
[ 3483.838906][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3483.839369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3483.839369][T12167]      netdev_get_by_index+0x5e/0x80
[ 3483.839369][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3483.839369][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3483.839369][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3483.839369][T12167]      ipv6_add_addr+0x411/0x2000
[ 3483.839369][T12167]      inet6_addr_add+0x30e/0xa40
[ 3483.839369][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.839369][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.839369][T12167]      netlink_rcv_skb+0x130/0x360
[ 3483.839369][T12167]      netlink_unicast+0x449/0x710
[ 3483.839369][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3483.839369][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.839369][T12167]      ___sys_sendmsg+0xee/0x170
[ 3483.839369][T12167]      __sys_sendmsg+0xcd/0x170
[ 3483.839369][T12167]      do_syscall_64+0xc6/0x1e0
[ 3483.839369][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.839369][T12167] 
[ 3483.841639][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3483.841639][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3483.841639][T12167]      ipv6_find_idev+0x102/0x170
[ 3483.841639][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.841639][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.841639][T12167]      netlink_rcv_skb+0x130/0x360
[ 3483.841639][T12167]      netlink_unicast+0x449/0x710
[ 3483.841639][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3483.841639][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.841639][T12167]      ___sys_sendmsg+0xee/0x170
[ 3483.841639][T12167]      __sys_sendmsg+0xcd/0x170
[ 3483.841639][T12167]      do_syscall_64+0xc6/0x1e0
[ 3483.841639][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.841639][T12167] 
[ 3483.843377][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3483.843377][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3483.843377][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3483.843377][T12167]      ipv6_find_idev+0x102/0x170
[ 3483.843377][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.843377][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.843377][T12167]      netlink_rcv_skb+0x130/0x360
[ 3483.843377][T12167]      netlink_unicast+0x449/0x710
[ 3483.843377][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3483.843377][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.843377][T12167]      ___sys_sendmsg+0xee/0x170
[ 3483.843377][T12167]      __sys_sendmsg+0xcd/0x170
[ 3483.843377][T12167]      do_syscall_64+0xc6/0x1e0
[ 3483.843377][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.843377][T12167] 
[ 3494.086767][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3494.087202][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3494.087202][T12167]      netdev_get_by_index+0x5e/0x80
[ 3494.087202][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3494.087202][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3494.087202][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3494.087202][T12167]      ipv6_add_addr+0x411/0x2000
[ 3494.087202][T12167]      inet6_addr_add+0x30e/0xa40
[ 3494.087202][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3494.087202][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3494.087202][T12167]      netlink_rcv_skb+0x130/0x360
[ 3494.087202][T12167]      netlink_unicast+0x449/0x710
[ 3494.087202][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3494.087202][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3494.087202][T12167]      ___sys_sendmsg+0xee/0x170
[ 3494.087202][T12167]      __sys_sendmsg+0xcd/0x170
[ 3494.087202][T12167]      do_syscall_64+0xc6/0x1e0
[ 3494.087202][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3494.087202][T12167] 
[ 3494.089493][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3494.089493][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3494.089493][T12167]      ipv6_find_idev+0x102/0x170
[ 3494.089493][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3494.089493][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3494.089493][T12167]      netlink_rcv_skb+0x130/0x360
[ 3494.089493][T12167]      netlink_unicast+0x449/0x710
[ 3494.089493][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3494.089493][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3494.089493][T12167]      ___sys_sendmsg+0xee/0x170
[ 3494.089493][T12167]      __sys_sendmsg+0xcd/0x170
[ 3494.089493][T12167]      do_syscall_64+0xc6/0x1e0
[ 3494.089493][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3494.089493][T12167] 
[ 3494.091229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3494.091229][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3494.091229][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3494.091229][T12167]      ipv6_find_idev+0x102/0x170
[ 3494.091229][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3494.091229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3494.091229][T12167]      netlink_rcv_skb+0x130/0x360
[ 3494.091229][T12167]      netlink_unicast+0x449/0x710
[ 3494.091229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3494.091229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3494.091229][T12167]      ___sys_sendmsg+0xee/0x170
[ 3494.091229][T12167]      __sys_sendmsg+0xcd/0x170
[ 3494.091229][T12167]      do_syscall_64+0xc6/0x1e0
[ 3494.091229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3494.091229][T12167] 
[ 3504.334867][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3504.335407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3504.335407][T12167]      netdev_get_by_index+0x5e/0x80
[ 3504.335407][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3504.335407][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3504.335407][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3504.335407][T12167]      ipv6_add_addr+0x411/0x2000
[ 3504.335407][T12167]      inet6_addr_add+0x30e/0xa40
[ 3504.335407][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3504.335407][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3504.335407][T12167]      netlink_rcv_skb+0x130/0x360
[ 3504.335407][T12167]      netlink_unicast+0x449/0x710
[ 3504.335407][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3504.335407][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3504.335407][T12167]      ___sys_sendmsg+0xee/0x170
[ 3504.335407][T12167]      __sys_sendmsg+0xcd/0x170
[ 3504.335407][T12167]      do_syscall_64+0xc6/0x1e0
[ 3504.335407][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3504.335407][T12167] 
[ 3504.337719][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3504.337719][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3504.337719][T12167]      ipv6_find_idev+0x102/0x170
[ 3504.337719][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3504.337719][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3504.337719][T12167]      netlink_rcv_skb+0x130/0x360
[ 3504.337719][T12167]      netlink_unicast+0x449/0x710
[ 3504.337719][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3504.337719][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3504.337719][T12167]      ___sys_sendmsg+0xee/0x170
[ 3504.337719][T12167]      __sys_sendmsg+0xcd/0x170
[ 3504.337719][T12167]      do_syscall_64+0xc6/0x1e0
[ 3504.337719][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3504.337719][T12167] 
[ 3504.339478][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3504.339478][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3504.339478][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3504.339478][T12167]      ipv6_find_idev+0x102/0x170
[ 3504.339478][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3504.339478][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3504.339478][T12167]      netlink_rcv_skb+0x130/0x360
[ 3504.339478][T12167]      netlink_unicast+0x449/0x710
[ 3504.339478][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3504.339478][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3504.339478][T12167]      ___sys_sendmsg+0xee/0x170
[ 3504.339478][T12167]      __sys_sendmsg+0xcd/0x170
[ 3504.339478][T12167]      do_syscall_64+0xc6/0x1e0
[ 3504.339478][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3504.339478][T12167] 
[ 3514.582853][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3514.583397][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3514.583397][T12167]      netdev_get_by_index+0x5e/0x80
[ 3514.583397][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3514.583397][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3514.583397][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3514.583397][T12167]      ipv6_add_addr+0x411/0x2000
[ 3514.583397][T12167]      inet6_addr_add+0x30e/0xa40
[ 3514.583397][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.583397][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.583397][T12167]      netlink_rcv_skb+0x130/0x360
[ 3514.583397][T12167]      netlink_unicast+0x449/0x710
[ 3514.583397][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3514.583397][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.583397][T12167]      ___sys_sendmsg+0xee/0x170
[ 3514.583397][T12167]      __sys_sendmsg+0xcd/0x170
[ 3514.583397][T12167]      do_syscall_64+0xc6/0x1e0
[ 3514.583397][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.583397][T12167] 
[ 3514.585698][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3514.585698][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3514.585698][T12167]      ipv6_find_idev+0x102/0x170
[ 3514.585698][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.585698][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.585698][T12167]      netlink_rcv_skb+0x130/0x360
[ 3514.585698][T12167]      netlink_unicast+0x449/0x710
[ 3514.585698][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3514.585698][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.585698][T12167]      ___sys_sendmsg+0xee/0x170
[ 3514.585698][T12167]      __sys_sendmsg+0xcd/0x170
[ 3514.585698][T12167]      do_syscall_64+0xc6/0x1e0
[ 3514.585698][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.585698][T12167] 
[ 3514.587457][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3514.587457][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3514.587457][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3514.587457][T12167]      ipv6_find_idev+0x102/0x170
[ 3514.587457][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.587457][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.587457][T12167]      netlink_rcv_skb+0x130/0x360
[ 3514.587457][T12167]      netlink_unicast+0x449/0x710
[ 3514.587457][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3514.587457][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.587457][T12167]      ___sys_sendmsg+0xee/0x170
[ 3514.587457][T12167]      __sys_sendmsg+0xcd/0x170
[ 3514.587457][T12167]      do_syscall_64+0xc6/0x1e0
[ 3514.587457][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.587457][T12167] 
[ 3524.830831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3524.831352][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3524.831352][T12167]      netdev_get_by_index+0x5e/0x80
[ 3524.831352][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3524.831352][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3524.831352][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3524.831352][T12167]      ipv6_add_addr+0x411/0x2000
[ 3524.831352][T12167]      inet6_addr_add+0x30e/0xa40
[ 3524.831352][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.831352][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.831352][T12167]      netlink_rcv_skb+0x130/0x360
[ 3524.831352][T12167]      netlink_unicast+0x449/0x710
[ 3524.831352][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3524.831352][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.831352][T12167]      ___sys_sendmsg+0xee/0x170
[ 3524.831352][T12167]      __sys_sendmsg+0xcd/0x170
[ 3524.831352][T12167]      do_syscall_64+0xc6/0x1e0
[ 3524.831352][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.831352][T12167] 
[ 3524.833773][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3524.833773][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3524.833773][T12167]      ipv6_find_idev+0x102/0x170
[ 3524.833773][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.833773][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.833773][T12167]      netlink_rcv_skb+0x130/0x360
[ 3524.833773][T12167]      netlink_unicast+0x449/0x710
[ 3524.833773][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3524.833773][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.833773][T12167]      ___sys_sendmsg+0xee/0x170
[ 3524.833773][T12167]      __sys_sendmsg+0xcd/0x170
[ 3524.833773][T12167]      do_syscall_64+0xc6/0x1e0
[ 3524.833773][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.833773][T12167] 
[ 3524.835524][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3524.835524][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3524.835524][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3524.835524][T12167]      ipv6_find_idev+0x102/0x170
[ 3524.835524][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.835524][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.835524][T12167]      netlink_rcv_skb+0x130/0x360
[ 3524.835524][T12167]      netlink_unicast+0x449/0x710
[ 3524.835524][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3524.835524][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.835524][T12167]      ___sys_sendmsg+0xee/0x170
[ 3524.835524][T12167]      __sys_sendmsg+0xcd/0x170
[ 3524.835524][T12167]      do_syscall_64+0xc6/0x1e0
[ 3524.835524][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.835524][T12167] 
[ 3535.078870][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3535.079406][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3535.079406][T12167]      netdev_get_by_index+0x5e/0x80
[ 3535.079406][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3535.079406][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3535.079406][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3535.079406][T12167]      ipv6_add_addr+0x411/0x2000
[ 3535.079406][T12167]      inet6_addr_add+0x30e/0xa40
[ 3535.079406][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3535.079406][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3535.079406][T12167]      netlink_rcv_skb+0x130/0x360
[ 3535.079406][T12167]      netlink_unicast+0x449/0x710
[ 3535.079406][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3535.079406][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3535.079406][T12167]      ___sys_sendmsg+0xee/0x170
[ 3535.079406][T12167]      __sys_sendmsg+0xcd/0x170
[ 3535.079406][T12167]      do_syscall_64+0xc6/0x1e0
[ 3535.079406][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3535.079406][T12167] 
[ 3535.081845][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3535.081845][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3535.081845][T12167]      ipv6_find_idev+0x102/0x170
[ 3535.081845][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3535.081845][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3535.081845][T12167]      netlink_rcv_skb+0x130/0x360
[ 3535.081845][T12167]      netlink_unicast+0x449/0x710
[ 3535.081845][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3535.081845][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3535.081845][T12167]      ___sys_sendmsg+0xee/0x170
[ 3535.081845][T12167]      __sys_sendmsg+0xcd/0x170
[ 3535.081845][T12167]      do_syscall_64+0xc6/0x1e0
[ 3535.081845][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3535.081845][T12167] 
[ 3535.083741][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3535.083741][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3535.083741][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3535.083741][T12167]      ipv6_find_idev+0x102/0x170
[ 3535.083741][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3535.083741][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3535.083741][T12167]      netlink_rcv_skb+0x130/0x360
[ 3535.083741][T12167]      netlink_unicast+0x449/0x710
[ 3535.083741][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3535.083741][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3535.083741][T12167]      ___sys_sendmsg+0xee/0x170
[ 3535.083741][T12167]      __sys_sendmsg+0xcd/0x170
[ 3535.083741][T12167]      do_syscall_64+0xc6/0x1e0
[ 3535.083741][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3535.083741][T12167] 
[ 3545.326843][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3545.327333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3545.327333][T12167]      netdev_get_by_index+0x5e/0x80
[ 3545.327333][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3545.327333][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3545.327333][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3545.327333][T12167]      ipv6_add_addr+0x411/0x2000
[ 3545.327333][T12167]      inet6_addr_add+0x30e/0xa40
[ 3545.327333][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3545.327333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3545.327333][T12167]      netlink_rcv_skb+0x130/0x360
[ 3545.327333][T12167]      netlink_unicast+0x449/0x710
[ 3545.327333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3545.327333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3545.327333][T12167]      ___sys_sendmsg+0xee/0x170
[ 3545.327333][T12167]      __sys_sendmsg+0xcd/0x170
[ 3545.327333][T12167]      do_syscall_64+0xc6/0x1e0
[ 3545.327333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3545.327333][T12167] 
[ 3545.329742][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3545.329742][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3545.329742][T12167]      ipv6_find_idev+0x102/0x170
[ 3545.329742][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3545.329742][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3545.329742][T12167]      netlink_rcv_skb+0x130/0x360
[ 3545.329742][T12167]      netlink_unicast+0x449/0x710
[ 3545.329742][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3545.329742][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3545.329742][T12167]      ___sys_sendmsg+0xee/0x170
[ 3545.329742][T12167]      __sys_sendmsg+0xcd/0x170
[ 3545.329742][T12167]      do_syscall_64+0xc6/0x1e0
[ 3545.329742][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3545.329742][T12167] 
[ 3545.331562][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3545.331562][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3545.331562][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3545.331562][T12167]      ipv6_find_idev+0x102/0x170
[ 3545.331562][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3545.331562][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3545.331562][T12167]      netlink_rcv_skb+0x130/0x360
[ 3545.331562][T12167]      netlink_unicast+0x449/0x710
[ 3545.331562][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3545.331562][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3545.331562][T12167]      ___sys_sendmsg+0xee/0x170
[ 3545.331562][T12167]      __sys_sendmsg+0xcd/0x170
[ 3545.331562][T12167]      do_syscall_64+0xc6/0x1e0
[ 3545.331562][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3545.331562][T12167] 
[ 3555.574778][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3555.575238][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3555.575238][T12167]      netdev_get_by_index+0x5e/0x80
[ 3555.575238][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3555.575238][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3555.575238][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3555.575238][T12167]      ipv6_add_addr+0x411/0x2000
[ 3555.575238][T12167]      inet6_addr_add+0x30e/0xa40
[ 3555.575238][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.575238][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.575238][T12167]      netlink_rcv_skb+0x130/0x360
[ 3555.575238][T12167]      netlink_unicast+0x449/0x710
[ 3555.575238][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3555.575238][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.575238][T12167]      ___sys_sendmsg+0xee/0x170
[ 3555.575238][T12167]      __sys_sendmsg+0xcd/0x170
[ 3555.575238][T12167]      do_syscall_64+0xc6/0x1e0
[ 3555.575238][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.575238][T12167] 
[ 3555.577569][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3555.577569][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3555.577569][T12167]      ipv6_find_idev+0x102/0x170
[ 3555.577569][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.577569][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.577569][T12167]      netlink_rcv_skb+0x130/0x360
[ 3555.577569][T12167]      netlink_unicast+0x449/0x710
[ 3555.577569][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3555.577569][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.577569][T12167]      ___sys_sendmsg+0xee/0x170
[ 3555.577569][T12167]      __sys_sendmsg+0xcd/0x170
[ 3555.577569][T12167]      do_syscall_64+0xc6/0x1e0
[ 3555.577569][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.577569][T12167] 
[ 3555.579345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3555.579345][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3555.579345][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3555.579345][T12167]      ipv6_find_idev+0x102/0x170
[ 3555.579345][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.579345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.579345][T12167]      netlink_rcv_skb+0x130/0x360
[ 3555.579345][T12167]      netlink_unicast+0x449/0x710
[ 3555.579345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3555.579345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.579345][T12167]      ___sys_sendmsg+0xee/0x170
[ 3555.579345][T12167]      __sys_sendmsg+0xcd/0x170
[ 3555.579345][T12167]      do_syscall_64+0xc6/0x1e0
[ 3555.579345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.579345][T12167] 
[ 3565.822927][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3565.823397][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3565.823397][T12167]      netdev_get_by_index+0x5e/0x80
[ 3565.823397][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3565.823397][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3565.823397][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3565.823397][T12167]      ipv6_add_addr+0x411/0x2000
[ 3565.823397][T12167]      inet6_addr_add+0x30e/0xa40
[ 3565.823397][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.823397][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.823397][T12167]      netlink_rcv_skb+0x130/0x360
[ 3565.823397][T12167]      netlink_unicast+0x449/0x710
[ 3565.823397][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3565.823397][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.823397][T12167]      ___sys_sendmsg+0xee/0x170
[ 3565.823397][T12167]      __sys_sendmsg+0xcd/0x170
[ 3565.823397][T12167]      do_syscall_64+0xc6/0x1e0
[ 3565.823397][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.823397][T12167] 
[ 3565.825737][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3565.825737][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3565.825737][T12167]      ipv6_find_idev+0x102/0x170
[ 3565.825737][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.825737][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.825737][T12167]      netlink_rcv_skb+0x130/0x360
[ 3565.825737][T12167]      netlink_unicast+0x449/0x710
[ 3565.825737][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3565.825737][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.825737][T12167]      ___sys_sendmsg+0xee/0x170
[ 3565.825737][T12167]      __sys_sendmsg+0xcd/0x170
[ 3565.825737][T12167]      do_syscall_64+0xc6/0x1e0
[ 3565.825737][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.825737][T12167] 
[ 3565.827644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3565.827644][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3565.827644][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3565.827644][T12167]      ipv6_find_idev+0x102/0x170
[ 3565.827644][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.827644][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.827644][T12167]      netlink_rcv_skb+0x130/0x360
[ 3565.827644][T12167]      netlink_unicast+0x449/0x710
[ 3565.827644][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3565.827644][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.827644][T12167]      ___sys_sendmsg+0xee/0x170
[ 3565.827644][T12167]      __sys_sendmsg+0xcd/0x170
[ 3565.827644][T12167]      do_syscall_64+0xc6/0x1e0
[ 3565.827644][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.827644][T12167] 
[ 3576.070847][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3576.071305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3576.071305][T12167]      netdev_get_by_index+0x5e/0x80
[ 3576.071305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3576.071305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3576.071305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3576.071305][T12167]      ipv6_add_addr+0x411/0x2000
[ 3576.071305][T12167]      inet6_addr_add+0x30e/0xa40
[ 3576.071305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3576.071305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3576.071305][T12167]      netlink_rcv_skb+0x130/0x360
[ 3576.071305][T12167]      netlink_unicast+0x449/0x710
[ 3576.071305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3576.071305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3576.071305][T12167]      ___sys_sendmsg+0xee/0x170
[ 3576.071305][T12167]      __sys_sendmsg+0xcd/0x170
[ 3576.071305][T12167]      do_syscall_64+0xc6/0x1e0
[ 3576.071305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3576.071305][T12167] 
[ 3576.073660][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3576.073660][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3576.073660][T12167]      ipv6_find_idev+0x102/0x170
[ 3576.073660][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3576.073660][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3576.073660][T12167]      netlink_rcv_skb+0x130/0x360
[ 3576.073660][T12167]      netlink_unicast+0x449/0x710
[ 3576.073660][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3576.073660][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3576.073660][T12167]      ___sys_sendmsg+0xee/0x170
[ 3576.073660][T12167]      __sys_sendmsg+0xcd/0x170
[ 3576.073660][T12167]      do_syscall_64+0xc6/0x1e0
[ 3576.073660][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3576.073660][T12167] 
[ 3576.075437][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3576.075437][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3576.075437][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3576.075437][T12167]      ipv6_find_idev+0x102/0x170
[ 3576.075437][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3576.075437][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3576.075437][T12167]      netlink_rcv_skb+0x130/0x360
[ 3576.075437][T12167]      netlink_unicast+0x449/0x710
[ 3576.075437][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3576.075437][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3576.075437][T12167]      ___sys_sendmsg+0xee/0x170
[ 3576.075437][T12167]      __sys_sendmsg+0xcd/0x170
[ 3576.075437][T12167]      do_syscall_64+0xc6/0x1e0
[ 3576.075437][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3576.075437][T12167] 
[ 3586.318780][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3586.319267][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3586.319267][T12167]      netdev_get_by_index+0x5e/0x80
[ 3586.319267][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3586.319267][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3586.319267][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3586.319267][T12167]      ipv6_add_addr+0x411/0x2000
[ 3586.319267][T12167]      inet6_addr_add+0x30e/0xa40
[ 3586.319267][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.319267][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.319267][T12167]      netlink_rcv_skb+0x130/0x360
[ 3586.319267][T12167]      netlink_unicast+0x449/0x710
[ 3586.319267][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3586.319267][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.319267][T12167]      ___sys_sendmsg+0xee/0x170
[ 3586.319267][T12167]      __sys_sendmsg+0xcd/0x170
[ 3586.319267][T12167]      do_syscall_64+0xc6/0x1e0
[ 3586.319267][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.319267][T12167] 
[ 3586.321581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3586.321581][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3586.321581][T12167]      ipv6_find_idev+0x102/0x170
[ 3586.321581][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.321581][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.321581][T12167]      netlink_rcv_skb+0x130/0x360
[ 3586.321581][T12167]      netlink_unicast+0x449/0x710
[ 3586.321581][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3586.321581][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.321581][T12167]      ___sys_sendmsg+0xee/0x170
[ 3586.321581][T12167]      __sys_sendmsg+0xcd/0x170
[ 3586.321581][T12167]      do_syscall_64+0xc6/0x1e0
[ 3586.321581][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.321581][T12167] 
[ 3586.323351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3586.323351][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3586.323351][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3586.323351][T12167]      ipv6_find_idev+0x102/0x170
[ 3586.323351][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.323351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.323351][T12167]      netlink_rcv_skb+0x130/0x360
[ 3586.323351][T12167]      netlink_unicast+0x449/0x710
[ 3586.323351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3586.323351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.323351][T12167]      ___sys_sendmsg+0xee/0x170
[ 3586.323351][T12167]      __sys_sendmsg+0xcd/0x170
[ 3586.323351][T12167]      do_syscall_64+0xc6/0x1e0
[ 3586.323351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.323351][T12167] 
[ 3596.566938][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3596.567394][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3596.567394][T12167]      netdev_get_by_index+0x5e/0x80
[ 3596.567394][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3596.567394][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3596.567394][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3596.567394][T12167]      ipv6_add_addr+0x411/0x2000
[ 3596.567394][T12167]      inet6_addr_add+0x30e/0xa40
[ 3596.567394][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.567394][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.567394][T12167]      netlink_rcv_skb+0x130/0x360
[ 3596.567394][T12167]      netlink_unicast+0x449/0x710
[ 3596.567394][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3596.567394][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.567394][T12167]      ___sys_sendmsg+0xee/0x170
[ 3596.567394][T12167]      __sys_sendmsg+0xcd/0x170
[ 3596.567394][T12167]      do_syscall_64+0xc6/0x1e0
[ 3596.567394][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.567394][T12167] 
[ 3596.569748][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3596.569748][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3596.569748][T12167]      ipv6_find_idev+0x102/0x170
[ 3596.569748][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.569748][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.569748][T12167]      netlink_rcv_skb+0x130/0x360
[ 3596.569748][T12167]      netlink_unicast+0x449/0x710
[ 3596.569748][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3596.569748][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.569748][T12167]      ___sys_sendmsg+0xee/0x170
[ 3596.569748][T12167]      __sys_sendmsg+0xcd/0x170
[ 3596.569748][T12167]      do_syscall_64+0xc6/0x1e0
[ 3596.569748][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.569748][T12167] 
[ 3596.571650][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3596.571650][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3596.571650][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3596.571650][T12167]      ipv6_find_idev+0x102/0x170
[ 3596.571650][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.571650][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.571650][T12167]      netlink_rcv_skb+0x130/0x360
[ 3596.571650][T12167]      netlink_unicast+0x449/0x710
[ 3596.571650][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3596.571650][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.571650][T12167]      ___sys_sendmsg+0xee/0x170
[ 3596.571650][T12167]      __sys_sendmsg+0xcd/0x170
[ 3596.571650][T12167]      do_syscall_64+0xc6/0x1e0
[ 3596.571650][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.571650][T12167] 
[ 3606.814861][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3606.815409][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3606.815409][T12167]      netdev_get_by_index+0x5e/0x80
[ 3606.815409][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3606.815409][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3606.815409][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3606.815409][T12167]      ipv6_add_addr+0x411/0x2000
[ 3606.815409][T12167]      inet6_addr_add+0x30e/0xa40
[ 3606.815409][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.815409][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.815409][T12167]      netlink_rcv_skb+0x130/0x360
[ 3606.815409][T12167]      netlink_unicast+0x449/0x710
[ 3606.815409][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3606.815409][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.815409][T12167]      ___sys_sendmsg+0xee/0x170
[ 3606.815409][T12167]      __sys_sendmsg+0xcd/0x170
[ 3606.815409][T12167]      do_syscall_64+0xc6/0x1e0
[ 3606.815409][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.815409][T12167] 
[ 3606.817719][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3606.817719][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3606.817719][T12167]      ipv6_find_idev+0x102/0x170
[ 3606.817719][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.817719][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.817719][T12167]      netlink_rcv_skb+0x130/0x360
[ 3606.817719][T12167]      netlink_unicast+0x449/0x710
[ 3606.817719][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3606.817719][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.817719][T12167]      ___sys_sendmsg+0xee/0x170
[ 3606.817719][T12167]      __sys_sendmsg+0xcd/0x170
[ 3606.817719][T12167]      do_syscall_64+0xc6/0x1e0
[ 3606.817719][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.817719][T12167] 
[ 3606.819496][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3606.819496][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3606.819496][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3606.819496][T12167]      ipv6_find_idev+0x102/0x170
[ 3606.819496][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.819496][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.819496][T12167]      netlink_rcv_skb+0x130/0x360
[ 3606.819496][T12167]      netlink_unicast+0x449/0x710
[ 3606.819496][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3606.819496][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.819496][T12167]      ___sys_sendmsg+0xee/0x170
[ 3606.819496][T12167]      __sys_sendmsg+0xcd/0x170
[ 3606.819496][T12167]      do_syscall_64+0xc6/0x1e0
[ 3606.819496][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.819496][T12167] 
[ 3617.054855][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3617.055349][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3617.055349][T12167]      netdev_get_by_index+0x5e/0x80
[ 3617.055349][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3617.055349][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3617.055349][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3617.055349][T12167]      ipv6_add_addr+0x411/0x2000
[ 3617.055349][T12167]      inet6_addr_add+0x30e/0xa40
[ 3617.055349][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3617.055349][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3617.055349][T12167]      netlink_rcv_skb+0x130/0x360
[ 3617.055349][T12167]      netlink_unicast+0x449/0x710
[ 3617.055349][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3617.055349][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3617.055349][T12167]      ___sys_sendmsg+0xee/0x170
[ 3617.055349][T12167]      __sys_sendmsg+0xcd/0x170
[ 3617.055349][T12167]      do_syscall_64+0xc6/0x1e0
[ 3617.055349][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3617.055349][T12167] 
[ 3617.057612][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3617.057612][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3617.057612][T12167]      ipv6_find_idev+0x102/0x170
[ 3617.057612][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3617.057612][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3617.057612][T12167]      netlink_rcv_skb+0x130/0x360
[ 3617.057612][T12167]      netlink_unicast+0x449/0x710
[ 3617.057612][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3617.057612][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3617.057612][T12167]      ___sys_sendmsg+0xee/0x170
[ 3617.057612][T12167]      __sys_sendmsg+0xcd/0x170
[ 3617.057612][T12167]      do_syscall_64+0xc6/0x1e0
[ 3617.057612][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3617.057612][T12167] 
[ 3617.059374][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3617.059374][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3617.059374][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3617.059374][T12167]      ipv6_find_idev+0x102/0x170
[ 3617.059374][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3617.059374][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3617.059374][T12167]      netlink_rcv_skb+0x130/0x360
[ 3617.059374][T12167]      netlink_unicast+0x449/0x710
[ 3617.059374][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3617.059374][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3617.059374][T12167]      ___sys_sendmsg+0xee/0x170
[ 3617.059374][T12167]      __sys_sendmsg+0xcd/0x170
[ 3617.059374][T12167]      do_syscall_64+0xc6/0x1e0
[ 3617.059374][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3617.059374][T12167] 
[ 3627.302883][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3627.303440][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3627.303440][T12167]      netdev_get_by_index+0x5e/0x80
[ 3627.303440][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3627.303440][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3627.303440][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3627.303440][T12167]      ipv6_add_addr+0x411/0x2000
[ 3627.303440][T12167]      inet6_addr_add+0x30e/0xa40
[ 3627.303440][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.303440][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.303440][T12167]      netlink_rcv_skb+0x130/0x360
[ 3627.303440][T12167]      netlink_unicast+0x449/0x710
[ 3627.303440][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3627.303440][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.303440][T12167]      ___sys_sendmsg+0xee/0x170
[ 3627.303440][T12167]      __sys_sendmsg+0xcd/0x170
[ 3627.303440][T12167]      do_syscall_64+0xc6/0x1e0
[ 3627.303440][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.303440][T12167] 
[ 3627.305733][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3627.305733][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3627.305733][T12167]      ipv6_find_idev+0x102/0x170
[ 3627.305733][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.305733][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.305733][T12167]      netlink_rcv_skb+0x130/0x360
[ 3627.305733][T12167]      netlink_unicast+0x449/0x710
[ 3627.305733][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3627.305733][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.305733][T12167]      ___sys_sendmsg+0xee/0x170
[ 3627.305733][T12167]      __sys_sendmsg+0xcd/0x170
[ 3627.305733][T12167]      do_syscall_64+0xc6/0x1e0
[ 3627.305733][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.305733][T12167] 
[ 3627.307632][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3627.307632][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3627.307632][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3627.307632][T12167]      ipv6_find_idev+0x102/0x170
[ 3627.307632][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.307632][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.307632][T12167]      netlink_rcv_skb+0x130/0x360
[ 3627.307632][T12167]      netlink_unicast+0x449/0x710
[ 3627.307632][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3627.307632][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.307632][T12167]      ___sys_sendmsg+0xee/0x170
[ 3627.307632][T12167]      __sys_sendmsg+0xcd/0x170
[ 3627.307632][T12167]      do_syscall_64+0xc6/0x1e0
[ 3627.307632][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.307632][T12167] 
[ 3637.406786][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3637.407231][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3637.407231][T12167]      netdev_get_by_index+0x5e/0x80
[ 3637.407231][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3637.407231][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3637.407231][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3637.407231][T12167]      ipv6_add_addr+0x411/0x2000
[ 3637.407231][T12167]      inet6_addr_add+0x30e/0xa40
[ 3637.407231][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.407231][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.407231][T12167]      netlink_rcv_skb+0x130/0x360
[ 3637.407231][T12167]      netlink_unicast+0x449/0x710
[ 3637.407231][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3637.407231][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.407231][T12167]      ___sys_sendmsg+0xee/0x170
[ 3637.407231][T12167]      __sys_sendmsg+0xcd/0x170
[ 3637.407231][T12167]      do_syscall_64+0xc6/0x1e0
[ 3637.407231][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.407231][T12167] 
[ 3637.409510][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3637.409510][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3637.409510][T12167]      ipv6_find_idev+0x102/0x170
[ 3637.409510][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.409510][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.409510][T12167]      netlink_rcv_skb+0x130/0x360
[ 3637.409510][T12167]      netlink_unicast+0x449/0x710
[ 3637.409510][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3637.409510][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.409510][T12167]      ___sys_sendmsg+0xee/0x170
[ 3637.409510][T12167]      __sys_sendmsg+0xcd/0x170
[ 3637.409510][T12167]      do_syscall_64+0xc6/0x1e0
[ 3637.409510][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.409510][T12167] 
[ 3637.411243][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3637.411243][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3637.411243][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3637.411243][T12167]      ipv6_find_idev+0x102/0x170
[ 3637.411243][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.411243][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.411243][T12167]      netlink_rcv_skb+0x130/0x360
[ 3637.411243][T12167]      netlink_unicast+0x449/0x710
[ 3637.411243][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3637.411243][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.411243][T12167]      ___sys_sendmsg+0xee/0x170
[ 3637.411243][T12167]      __sys_sendmsg+0xcd/0x170
[ 3637.411243][T12167]      do_syscall_64+0xc6/0x1e0
[ 3637.411243][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.411243][T12167] 
[ 3647.654833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3647.655337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3647.655337][T12167]      netdev_get_by_index+0x5e/0x80
[ 3647.655337][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3647.655337][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3647.655337][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3647.655337][T12167]      ipv6_add_addr+0x411/0x2000
[ 3647.655337][T12167]      inet6_addr_add+0x30e/0xa40
[ 3647.655337][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.655337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.655337][T12167]      netlink_rcv_skb+0x130/0x360
[ 3647.655337][T12167]      netlink_unicast+0x449/0x710
[ 3647.655337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3647.655337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.655337][T12167]      ___sys_sendmsg+0xee/0x170
[ 3647.655337][T12167]      __sys_sendmsg+0xcd/0x170
[ 3647.655337][T12167]      do_syscall_64+0xc6/0x1e0
[ 3647.655337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.655337][T12167] 
[ 3647.657621][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3647.657621][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3647.657621][T12167]      ipv6_find_idev+0x102/0x170
[ 3647.657621][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.657621][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.657621][T12167]      netlink_rcv_skb+0x130/0x360
[ 3647.657621][T12167]      netlink_unicast+0x449/0x710
[ 3647.657621][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3647.657621][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.657621][T12167]      ___sys_sendmsg+0xee/0x170
[ 3647.657621][T12167]      __sys_sendmsg+0xcd/0x170
[ 3647.657621][T12167]      do_syscall_64+0xc6/0x1e0
[ 3647.657621][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.657621][T12167] 
[ 3647.659371][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3647.659371][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3647.659371][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3647.659371][T12167]      ipv6_find_idev+0x102/0x170
[ 3647.659371][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.659371][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.659371][T12167]      netlink_rcv_skb+0x130/0x360
[ 3647.659371][T12167]      netlink_unicast+0x449/0x710
[ 3647.659371][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3647.659371][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.659371][T12167]      ___sys_sendmsg+0xee/0x170
[ 3647.659371][T12167]      __sys_sendmsg+0xcd/0x170
[ 3647.659371][T12167]      do_syscall_64+0xc6/0x1e0
[ 3647.659371][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.659371][T12167] 
[ 3657.806859][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3657.807366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3657.807366][T12167]      netdev_get_by_index+0x5e/0x80
[ 3657.807366][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3657.807366][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3657.807366][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3657.807366][T12167]      ipv6_add_addr+0x411/0x2000
[ 3657.807366][T12167]      inet6_addr_add+0x30e/0xa40
[ 3657.807366][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.807366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.807366][T12167]      netlink_rcv_skb+0x130/0x360
[ 3657.807366][T12167]      netlink_unicast+0x449/0x710
[ 3657.807366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3657.807366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.807366][T12167]      ___sys_sendmsg+0xee/0x170
[ 3657.807366][T12167]      __sys_sendmsg+0xcd/0x170
[ 3657.807366][T12167]      do_syscall_64+0xc6/0x1e0
[ 3657.807366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.807366][T12167] 
[ 3657.810191][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3657.810191][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3657.810191][T12167]      ipv6_find_idev+0x102/0x170
[ 3657.810191][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.810191][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.810191][T12167]      netlink_rcv_skb+0x130/0x360
[ 3657.810191][T12167]      netlink_unicast+0x449/0x710
[ 3657.810191][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3657.810191][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.810191][T12167]      ___sys_sendmsg+0xee/0x170
[ 3657.810191][T12167]      __sys_sendmsg+0xcd/0x170
[ 3657.810191][T12167]      do_syscall_64+0xc6/0x1e0
[ 3657.810191][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.810191][T12167] 
[ 3657.811960][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3657.811960][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3657.811960][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3657.811960][T12167]      ipv6_find_idev+0x102/0x170
[ 3657.811960][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.811960][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.811960][T12167]      netlink_rcv_skb+0x130/0x360
[ 3657.811960][T12167]      netlink_unicast+0x449/0x710
[ 3657.811960][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3657.811960][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.811960][T12167]      ___sys_sendmsg+0xee/0x170
[ 3657.811960][T12167]      __sys_sendmsg+0xcd/0x170
[ 3657.811960][T12167]      do_syscall_64+0xc6/0x1e0
[ 3657.811960][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.811960][T12167] 
[ 3668.054851][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3668.055366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3668.055366][T12167]      netdev_get_by_index+0x5e/0x80
[ 3668.055366][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3668.055366][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3668.055366][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3668.055366][T12167]      ipv6_add_addr+0x411/0x2000
[ 3668.055366][T12167]      inet6_addr_add+0x30e/0xa40
[ 3668.055366][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.055366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.055366][T12167]      netlink_rcv_skb+0x130/0x360
[ 3668.055366][T12167]      netlink_unicast+0x449/0x710
[ 3668.055366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3668.055366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.055366][T12167]      ___sys_sendmsg+0xee/0x170
[ 3668.055366][T12167]      __sys_sendmsg+0xcd/0x170
[ 3668.055366][T12167]      do_syscall_64+0xc6/0x1e0
[ 3668.055366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.055366][T12167] 
[ 3668.059516][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3668.059516][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3668.059516][T12167]      ipv6_find_idev+0x102/0x170
[ 3668.059516][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.059516][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.059516][T12167]      netlink_rcv_skb+0x130/0x360
[ 3668.059516][T12167]      netlink_unicast+0x449/0x710
[ 3668.059516][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3668.059516][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.059516][T12167]      ___sys_sendmsg+0xee/0x170
[ 3668.059516][T12167]      __sys_sendmsg+0xcd/0x170
[ 3668.059516][T12167]      do_syscall_64+0xc6/0x1e0
[ 3668.059516][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.059516][T12167] 
[ 3668.061268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3668.061268][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3668.061268][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3668.061268][T12167]      ipv6_find_idev+0x102/0x170
[ 3668.061268][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.061268][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.061268][T12167]      netlink_rcv_skb+0x130/0x360
[ 3668.061268][T12167]      netlink_unicast+0x449/0x710
[ 3668.061268][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3668.061268][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.061268][T12167]      ___sys_sendmsg+0xee/0x170
[ 3668.061268][T12167]      __sys_sendmsg+0xcd/0x170
[ 3668.061268][T12167]      do_syscall_64+0xc6/0x1e0
[ 3668.061268][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.061268][T12167] 
[ 3678.302855][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3678.303291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3678.303291][T12167]      netdev_get_by_index+0x5e/0x80
[ 3678.303291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3678.303291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3678.303291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3678.303291][T12167]      ipv6_add_addr+0x411/0x2000
[ 3678.303291][T12167]      inet6_addr_add+0x30e/0xa40
[ 3678.303291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.303291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.303291][T12167]      netlink_rcv_skb+0x130/0x360
[ 3678.303291][T12167]      netlink_unicast+0x449/0x710
[ 3678.303291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3678.303291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.303291][T12167]      ___sys_sendmsg+0xee/0x170
[ 3678.303291][T12167]      __sys_sendmsg+0xcd/0x170
[ 3678.303291][T12167]      do_syscall_64+0xc6/0x1e0
[ 3678.303291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.303291][T12167] 
[ 3678.305617][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3678.305617][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3678.305617][T12167]      ipv6_find_idev+0x102/0x170
[ 3678.305617][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.305617][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.305617][T12167]      netlink_rcv_skb+0x130/0x360
[ 3678.305617][T12167]      netlink_unicast+0x449/0x710
[ 3678.305617][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3678.305617][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.305617][T12167]      ___sys_sendmsg+0xee/0x170
[ 3678.305617][T12167]      __sys_sendmsg+0xcd/0x170
[ 3678.305617][T12167]      do_syscall_64+0xc6/0x1e0
[ 3678.305617][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.305617][T12167] 
[ 3678.307374][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3678.307374][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3678.307374][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3678.307374][T12167]      ipv6_find_idev+0x102/0x170
[ 3678.307374][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.307374][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.307374][T12167]      netlink_rcv_skb+0x130/0x360
[ 3678.307374][T12167]      netlink_unicast+0x449/0x710
[ 3678.307374][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3678.307374][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.307374][T12167]      ___sys_sendmsg+0xee/0x170
[ 3678.307374][T12167]      __sys_sendmsg+0xcd/0x170
[ 3678.307374][T12167]      do_syscall_64+0xc6/0x1e0
[ 3678.307374][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.307374][T12167] 
[ 3688.550848][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3688.551387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3688.551387][T12167]      netdev_get_by_index+0x5e/0x80
[ 3688.551387][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3688.551387][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3688.551387][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3688.551387][T12167]      ipv6_add_addr+0x411/0x2000
[ 3688.551387][T12167]      inet6_addr_add+0x30e/0xa40
[ 3688.551387][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.551387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.551387][T12167]      netlink_rcv_skb+0x130/0x360
[ 3688.551387][T12167]      netlink_unicast+0x449/0x710
[ 3688.551387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3688.551387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.551387][T12167]      ___sys_sendmsg+0xee/0x170
[ 3688.551387][T12167]      __sys_sendmsg+0xcd/0x170
[ 3688.551387][T12167]      do_syscall_64+0xc6/0x1e0
[ 3688.551387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.551387][T12167] 
[ 3688.553662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3688.553662][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3688.553662][T12167]      ipv6_find_idev+0x102/0x170
[ 3688.553662][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.553662][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.553662][T12167]      netlink_rcv_skb+0x130/0x360
[ 3688.553662][T12167]      netlink_unicast+0x449/0x710
[ 3688.553662][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3688.553662][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.553662][T12167]      ___sys_sendmsg+0xee/0x170
[ 3688.553662][T12167]      __sys_sendmsg+0xcd/0x170
[ 3688.553662][T12167]      do_syscall_64+0xc6/0x1e0
[ 3688.553662][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.553662][T12167] 
[ 3688.555438][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3688.555438][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3688.555438][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3688.555438][T12167]      ipv6_find_idev+0x102/0x170
[ 3688.555438][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.555438][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.555438][T12167]      netlink_rcv_skb+0x130/0x360
[ 3688.555438][T12167]      netlink_unicast+0x449/0x710
[ 3688.555438][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3688.555438][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.555438][T12167]      ___sys_sendmsg+0xee/0x170
[ 3688.555438][T12167]      __sys_sendmsg+0xcd/0x170
[ 3688.555438][T12167]      do_syscall_64+0xc6/0x1e0
[ 3688.555438][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.555438][T12167] 
[ 3698.798758][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3698.799269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3698.799269][T12167]      netdev_get_by_index+0x5e/0x80
[ 3698.799269][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3698.799269][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3698.799269][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3698.799269][T12167]      ipv6_add_addr+0x411/0x2000
[ 3698.799269][T12167]      inet6_addr_add+0x30e/0xa40
[ 3698.799269][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.799269][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.799269][T12167]      netlink_rcv_skb+0x130/0x360
[ 3698.799269][T12167]      netlink_unicast+0x449/0x710
[ 3698.799269][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3698.799269][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.799269][T12167]      ___sys_sendmsg+0xee/0x170
[ 3698.799269][T12167]      __sys_sendmsg+0xcd/0x170
[ 3698.799269][T12167]      do_syscall_64+0xc6/0x1e0
[ 3698.799269][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.799269][T12167] 
[ 3698.801558][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3698.801558][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3698.801558][T12167]      ipv6_find_idev+0x102/0x170
[ 3698.801558][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.801558][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.801558][T12167]      netlink_rcv_skb+0x130/0x360
[ 3698.801558][T12167]      netlink_unicast+0x449/0x710
[ 3698.801558][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3698.801558][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.801558][T12167]      ___sys_sendmsg+0xee/0x170
[ 3698.801558][T12167]      __sys_sendmsg+0xcd/0x170
[ 3698.801558][T12167]      do_syscall_64+0xc6/0x1e0
[ 3698.801558][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.801558][T12167] 
[ 3698.803300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3698.803300][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3698.803300][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3698.803300][T12167]      ipv6_find_idev+0x102/0x170
[ 3698.803300][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.803300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.803300][T12167]      netlink_rcv_skb+0x130/0x360
[ 3698.803300][T12167]      netlink_unicast+0x449/0x710
[ 3698.803300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3698.803300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.803300][T12167]      ___sys_sendmsg+0xee/0x170
[ 3698.803300][T12167]      __sys_sendmsg+0xcd/0x170
[ 3698.803300][T12167]      do_syscall_64+0xc6/0x1e0
[ 3698.803300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.803300][T12167] 
[ 3708.886761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3708.887317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3708.887317][T12167]      netdev_get_by_index+0x5e/0x80
[ 3708.887317][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3708.887317][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3708.887317][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3708.887317][T12167]      ipv6_add_addr+0x411/0x2000
[ 3708.887317][T12167]      inet6_addr_add+0x30e/0xa40
[ 3708.887317][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3708.887317][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3708.887317][T12167]      netlink_rcv_skb+0x130/0x360
[ 3708.887317][T12167]      netlink_unicast+0x449/0x710
[ 3708.887317][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3708.887317][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3708.887317][T12167]      ___sys_sendmsg+0xee/0x170
[ 3708.887317][T12167]      __sys_sendmsg+0xcd/0x170
[ 3708.887317][T12167]      do_syscall_64+0xc6/0x1e0
[ 3708.887317][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3708.887317][T12167] 
[ 3708.889631][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3708.889631][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3708.889631][T12167]      ipv6_find_idev+0x102/0x170
[ 3708.889631][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3708.889631][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3708.889631][T12167]      netlink_rcv_skb+0x130/0x360
[ 3708.889631][T12167]      netlink_unicast+0x449/0x710
[ 3708.889631][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3708.889631][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3708.889631][T12167]      ___sys_sendmsg+0xee/0x170
[ 3708.889631][T12167]      __sys_sendmsg+0xcd/0x170
[ 3708.889631][T12167]      do_syscall_64+0xc6/0x1e0
[ 3708.889631][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3708.889631][T12167] 
[ 3708.891412][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3708.891412][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3708.891412][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3708.891412][T12167]      ipv6_find_idev+0x102/0x170
[ 3708.891412][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3708.891412][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3708.891412][T12167]      netlink_rcv_skb+0x130/0x360
[ 3708.891412][T12167]      netlink_unicast+0x449/0x710
[ 3708.891412][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3708.891412][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3708.891412][T12167]      ___sys_sendmsg+0xee/0x170
[ 3708.891412][T12167]      __sys_sendmsg+0xcd/0x170
[ 3708.891412][T12167]      do_syscall_64+0xc6/0x1e0
[ 3708.891412][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3708.891412][T12167] 
[ 3719.142821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3719.143280][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3719.143280][T12167]      netdev_get_by_index+0x5e/0x80
[ 3719.143280][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3719.143280][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3719.143280][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3719.143280][T12167]      ipv6_add_addr+0x411/0x2000
[ 3719.143280][T12167]      inet6_addr_add+0x30e/0xa40
[ 3719.143280][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.143280][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.143280][T12167]      netlink_rcv_skb+0x130/0x360
[ 3719.143280][T12167]      netlink_unicast+0x449/0x710
[ 3719.143280][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3719.143280][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.143280][T12167]      ___sys_sendmsg+0xee/0x170
[ 3719.143280][T12167]      __sys_sendmsg+0xcd/0x170
[ 3719.143280][T12167]      do_syscall_64+0xc6/0x1e0
[ 3719.143280][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.143280][T12167] 
[ 3719.145579][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3719.145579][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3719.145579][T12167]      ipv6_find_idev+0x102/0x170
[ 3719.145579][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.145579][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.145579][T12167]      netlink_rcv_skb+0x130/0x360
[ 3719.145579][T12167]      netlink_unicast+0x449/0x710
[ 3719.145579][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3719.145579][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.145579][T12167]      ___sys_sendmsg+0xee/0x170
[ 3719.145579][T12167]      __sys_sendmsg+0xcd/0x170
[ 3719.145579][T12167]      do_syscall_64+0xc6/0x1e0
[ 3719.145579][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.145579][T12167] 
[ 3719.147327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3719.147327][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3719.147327][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3719.147327][T12167]      ipv6_find_idev+0x102/0x170
[ 3719.147327][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.147327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.147327][T12167]      netlink_rcv_skb+0x130/0x360
[ 3719.147327][T12167]      netlink_unicast+0x449/0x710
[ 3719.147327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3719.147327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.147327][T12167]      ___sys_sendmsg+0xee/0x170
[ 3719.147327][T12167]      __sys_sendmsg+0xcd/0x170
[ 3719.147327][T12167]      do_syscall_64+0xc6/0x1e0
[ 3719.147327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.147327][T12167] 
[ 3729.334874][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3729.335329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3729.335329][T12167]      netdev_get_by_index+0x5e/0x80
[ 3729.335329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3729.335329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3729.335329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3729.335329][T12167]      ipv6_add_addr+0x411/0x2000
[ 3729.335329][T12167]      inet6_addr_add+0x30e/0xa40
[ 3729.335329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.335329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.335329][T12167]      netlink_rcv_skb+0x130/0x360
[ 3729.335329][T12167]      netlink_unicast+0x449/0x710
[ 3729.335329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3729.335329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.335329][T12167]      ___sys_sendmsg+0xee/0x170
[ 3729.335329][T12167]      __sys_sendmsg+0xcd/0x170
[ 3729.335329][T12167]      do_syscall_64+0xc6/0x1e0
[ 3729.335329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.335329][T12167] 
[ 3729.337657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3729.337657][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3729.337657][T12167]      ipv6_find_idev+0x102/0x170
[ 3729.337657][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.337657][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.337657][T12167]      netlink_rcv_skb+0x130/0x360
[ 3729.337657][T12167]      netlink_unicast+0x449/0x710
[ 3729.337657][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3729.337657][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.337657][T12167]      ___sys_sendmsg+0xee/0x170
[ 3729.337657][T12167]      __sys_sendmsg+0xcd/0x170
[ 3729.337657][T12167]      do_syscall_64+0xc6/0x1e0
[ 3729.337657][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.337657][T12167] 
[ 3729.339441][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3729.339441][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3729.339441][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3729.339441][T12167]      ipv6_find_idev+0x102/0x170
[ 3729.339441][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.339441][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.339441][T12167]      netlink_rcv_skb+0x130/0x360
[ 3729.339441][T12167]      netlink_unicast+0x449/0x710
[ 3729.339441][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3729.339441][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.339441][T12167]      ___sys_sendmsg+0xee/0x170
[ 3729.339441][T12167]      __sys_sendmsg+0xcd/0x170
[ 3729.339441][T12167]      do_syscall_64+0xc6/0x1e0
[ 3729.339441][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.339441][T12167] 
[ 3739.390817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3739.391268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3739.391268][T12167]      netdev_get_by_index+0x5e/0x80
[ 3739.391268][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3739.391268][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3739.391268][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3739.391268][T12167]      ipv6_add_addr+0x411/0x2000
[ 3739.391268][T12167]      inet6_addr_add+0x30e/0xa40
[ 3739.391268][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.391268][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.391268][T12167]      netlink_rcv_skb+0x130/0x360
[ 3739.391268][T12167]      netlink_unicast+0x449/0x710
[ 3739.391268][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3739.391268][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.391268][T12167]      ___sys_sendmsg+0xee/0x170
[ 3739.391268][T12167]      __sys_sendmsg+0xcd/0x170
[ 3739.391268][T12167]      do_syscall_64+0xc6/0x1e0
[ 3739.391268][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.391268][T12167] 
[ 3739.393600][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3739.393600][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3739.393600][T12167]      ipv6_find_idev+0x102/0x170
[ 3739.393600][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.393600][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.393600][T12167]      netlink_rcv_skb+0x130/0x360
[ 3739.393600][T12167]      netlink_unicast+0x449/0x710
[ 3739.393600][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3739.393600][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.393600][T12167]      ___sys_sendmsg+0xee/0x170
[ 3739.393600][T12167]      __sys_sendmsg+0xcd/0x170
[ 3739.393600][T12167]      do_syscall_64+0xc6/0x1e0
[ 3739.393600][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.393600][T12167] 
[ 3739.395413][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3739.395413][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3739.395413][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3739.395413][T12167]      ipv6_find_idev+0x102/0x170
[ 3739.395413][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.395413][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.395413][T12167]      netlink_rcv_skb+0x130/0x360
[ 3739.395413][T12167]      netlink_unicast+0x449/0x710
[ 3739.395413][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3739.395413][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.395413][T12167]      ___sys_sendmsg+0xee/0x170
[ 3739.395413][T12167]      __sys_sendmsg+0xcd/0x170
[ 3739.395413][T12167]      do_syscall_64+0xc6/0x1e0
[ 3739.395413][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.395413][T12167] 
[ 3749.638796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3749.639322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3749.639322][T12167]      netdev_get_by_index+0x5e/0x80
[ 3749.639322][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3749.639322][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3749.639322][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3749.639322][T12167]      ipv6_add_addr+0x411/0x2000
[ 3749.639322][T12167]      inet6_addr_add+0x30e/0xa40
[ 3749.639322][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3749.639322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3749.639322][T12167]      netlink_rcv_skb+0x130/0x360
[ 3749.639322][T12167]      netlink_unicast+0x449/0x710
[ 3749.639322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3749.639322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3749.639322][T12167]      ___sys_sendmsg+0xee/0x170
[ 3749.639322][T12167]      __sys_sendmsg+0xcd/0x170
[ 3749.639322][T12167]      do_syscall_64+0xc6/0x1e0
[ 3749.639322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3749.639322][T12167] 
[ 3749.641613][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3749.641613][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3749.641613][T12167]      ipv6_find_idev+0x102/0x170
[ 3749.641613][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3749.641613][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3749.641613][T12167]      netlink_rcv_skb+0x130/0x360
[ 3749.641613][T12167]      netlink_unicast+0x449/0x710
[ 3749.641613][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3749.641613][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3749.641613][T12167]      ___sys_sendmsg+0xee/0x170
[ 3749.641613][T12167]      __sys_sendmsg+0xcd/0x170
[ 3749.641613][T12167]      do_syscall_64+0xc6/0x1e0
[ 3749.641613][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3749.641613][T12167] 
[ 3749.643359][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3749.643359][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3749.643359][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3749.643359][T12167]      ipv6_find_idev+0x102/0x170
[ 3749.643359][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3749.643359][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3749.643359][T12167]      netlink_rcv_skb+0x130/0x360
[ 3749.643359][T12167]      netlink_unicast+0x449/0x710
[ 3749.643359][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3749.643359][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3749.643359][T12167]      ___sys_sendmsg+0xee/0x170
[ 3749.643359][T12167]      __sys_sendmsg+0xcd/0x170
[ 3749.643359][T12167]      do_syscall_64+0xc6/0x1e0
[ 3749.643359][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3749.643359][T12167] 
[ 3759.934852][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3759.935300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3759.935300][T12167]      netdev_get_by_index+0x5e/0x80
[ 3759.935300][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3759.935300][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3759.935300][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3759.935300][T12167]      ipv6_add_addr+0x411/0x2000
[ 3759.935300][T12167]      inet6_addr_add+0x30e/0xa40
[ 3759.935300][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3759.935300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3759.935300][T12167]      netlink_rcv_skb+0x130/0x360
[ 3759.935300][T12167]      netlink_unicast+0x449/0x710
[ 3759.935300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3759.935300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3759.935300][T12167]      ___sys_sendmsg+0xee/0x170
[ 3759.935300][T12167]      __sys_sendmsg+0xcd/0x170
[ 3759.935300][T12167]      do_syscall_64+0xc6/0x1e0
[ 3759.935300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3759.935300][T12167] 
[ 3759.937687][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3759.937687][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3759.937687][T12167]      ipv6_find_idev+0x102/0x170
[ 3759.937687][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3759.937687][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3759.937687][T12167]      netlink_rcv_skb+0x130/0x360
[ 3759.937687][T12167]      netlink_unicast+0x449/0x710
[ 3759.937687][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3759.937687][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3759.937687][T12167]      ___sys_sendmsg+0xee/0x170
[ 3759.937687][T12167]      __sys_sendmsg+0xcd/0x170
[ 3759.937687][T12167]      do_syscall_64+0xc6/0x1e0
[ 3759.937687][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3759.937687][T12167] 
[ 3759.939468][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3759.939468][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3759.939468][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3759.939468][T12167]      ipv6_find_idev+0x102/0x170
[ 3759.939468][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3759.939468][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3759.939468][T12167]      netlink_rcv_skb+0x130/0x360
[ 3759.939468][T12167]      netlink_unicast+0x449/0x710
[ 3759.939468][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3759.939468][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3759.939468][T12167]      ___sys_sendmsg+0xee/0x170
[ 3759.939468][T12167]      __sys_sendmsg+0xcd/0x170
[ 3759.939468][T12167]      do_syscall_64+0xc6/0x1e0
[ 3759.939468][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3759.939468][T12167] 
[ 3770.014909][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3770.015349][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3770.015349][T12167]      netdev_get_by_index+0x5e/0x80
[ 3770.015349][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3770.015349][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3770.015349][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3770.015349][T12167]      ipv6_add_addr+0x411/0x2000
[ 3770.015349][T12167]      inet6_addr_add+0x30e/0xa40
[ 3770.015349][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.015349][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.015349][T12167]      netlink_rcv_skb+0x130/0x360
[ 3770.015349][T12167]      netlink_unicast+0x449/0x710
[ 3770.015349][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3770.015349][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.015349][T12167]      ___sys_sendmsg+0xee/0x170
[ 3770.015349][T12167]      __sys_sendmsg+0xcd/0x170
[ 3770.015349][T12167]      do_syscall_64+0xc6/0x1e0
[ 3770.015349][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.015349][T12167] 
[ 3770.017664][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3770.017664][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3770.017664][T12167]      ipv6_find_idev+0x102/0x170
[ 3770.017664][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.017664][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.017664][T12167]      netlink_rcv_skb+0x130/0x360
[ 3770.017664][T12167]      netlink_unicast+0x449/0x710
[ 3770.017664][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3770.017664][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.017664][T12167]      ___sys_sendmsg+0xee/0x170
[ 3770.017664][T12167]      __sys_sendmsg+0xcd/0x170
[ 3770.017664][T12167]      do_syscall_64+0xc6/0x1e0
[ 3770.017664][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.017664][T12167] 
[ 3770.019413][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3770.019413][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3770.019413][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3770.019413][T12167]      ipv6_find_idev+0x102/0x170
[ 3770.019413][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.019413][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.019413][T12167]      netlink_rcv_skb+0x130/0x360
[ 3770.019413][T12167]      netlink_unicast+0x449/0x710
[ 3770.019413][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3770.019413][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.019413][T12167]      ___sys_sendmsg+0xee/0x170
[ 3770.019413][T12167]      __sys_sendmsg+0xcd/0x170
[ 3770.019413][T12167]      do_syscall_64+0xc6/0x1e0
[ 3770.019413][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.019413][T12167] 
[ 3780.262774][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3780.263302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3780.263302][T12167]      netdev_get_by_index+0x5e/0x80
[ 3780.263302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3780.263302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3780.263302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3780.263302][T12167]      ipv6_add_addr+0x411/0x2000
[ 3780.263302][T12167]      inet6_addr_add+0x30e/0xa40
[ 3780.263302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3780.263302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3780.263302][T12167]      netlink_rcv_skb+0x130/0x360
[ 3780.263302][T12167]      netlink_unicast+0x449/0x710
[ 3780.263302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3780.263302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3780.263302][T12167]      ___sys_sendmsg+0xee/0x170
[ 3780.263302][T12167]      __sys_sendmsg+0xcd/0x170
[ 3780.263302][T12167]      do_syscall_64+0xc6/0x1e0
[ 3780.263302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3780.263302][T12167] 
[ 3780.265697][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3780.265697][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3780.265697][T12167]      ipv6_find_idev+0x102/0x170
[ 3780.265697][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3780.265697][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3780.265697][T12167]      netlink_rcv_skb+0x130/0x360
[ 3780.265697][T12167]      netlink_unicast+0x449/0x710
[ 3780.265697][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3780.265697][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3780.265697][T12167]      ___sys_sendmsg+0xee/0x170
[ 3780.265697][T12167]      __sys_sendmsg+0xcd/0x170
[ 3780.265697][T12167]      do_syscall_64+0xc6/0x1e0
[ 3780.265697][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3780.265697][T12167] 
[ 3780.267751][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3780.267751][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3780.267751][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3780.267751][T12167]      ipv6_find_idev+0x102/0x170
[ 3780.267751][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3780.267751][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3780.267751][T12167]      netlink_rcv_skb+0x130/0x360
[ 3780.267751][T12167]      netlink_unicast+0x449/0x710
[ 3780.267751][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3780.267751][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3780.267751][T12167]      ___sys_sendmsg+0xee/0x170
[ 3780.267751][T12167]      __sys_sendmsg+0xcd/0x170
[ 3780.267751][T12167]      do_syscall_64+0xc6/0x1e0
[ 3780.267751][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3780.267751][T12167] 
[ 3790.510773][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3790.511245][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3790.511245][T12167]      netdev_get_by_index+0x5e/0x80
[ 3790.511245][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3790.511245][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3790.511245][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3790.511245][T12167]      ipv6_add_addr+0x411/0x2000
[ 3790.511245][T12167]      inet6_addr_add+0x30e/0xa40
[ 3790.511245][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3790.511245][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3790.511245][T12167]      netlink_rcv_skb+0x130/0x360
[ 3790.511245][T12167]      netlink_unicast+0x449/0x710
[ 3790.511245][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3790.511245][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3790.511245][T12167]      ___sys_sendmsg+0xee/0x170
[ 3790.511245][T12167]      __sys_sendmsg+0xcd/0x170
[ 3790.511245][T12167]      do_syscall_64+0xc6/0x1e0
[ 3790.511245][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3790.511245][T12167] 
[ 3790.513520][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3790.513520][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3790.513520][T12167]      ipv6_find_idev+0x102/0x170
[ 3790.513520][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3790.513520][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3790.513520][T12167]      netlink_rcv_skb+0x130/0x360
[ 3790.513520][T12167]      netlink_unicast+0x449/0x710
[ 3790.513520][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3790.513520][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3790.513520][T12167]      ___sys_sendmsg+0xee/0x170
[ 3790.513520][T12167]      __sys_sendmsg+0xcd/0x170
[ 3790.513520][T12167]      do_syscall_64+0xc6/0x1e0
[ 3790.513520][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3790.513520][T12167] 
[ 3790.515273][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3790.515273][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3790.515273][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3790.515273][T12167]      ipv6_find_idev+0x102/0x170
[ 3790.515273][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3790.515273][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3790.515273][T12167]      netlink_rcv_skb+0x130/0x360
[ 3790.515273][T12167]      netlink_unicast+0x449/0x710
[ 3790.515273][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3790.515273][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3790.515273][T12167]      ___sys_sendmsg+0xee/0x170
[ 3790.515273][T12167]      __sys_sendmsg+0xcd/0x170
[ 3790.515273][T12167]      do_syscall_64+0xc6/0x1e0
[ 3790.515273][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3790.515273][T12167] 
[ 3800.758793][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3800.759307][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3800.759307][T12167]      netdev_get_by_index+0x5e/0x80
[ 3800.759307][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3800.759307][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3800.759307][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3800.759307][T12167]      ipv6_add_addr+0x411/0x2000
[ 3800.759307][T12167]      inet6_addr_add+0x30e/0xa40
[ 3800.759307][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3800.759307][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3800.759307][T12167]      netlink_rcv_skb+0x130/0x360
[ 3800.759307][T12167]      netlink_unicast+0x449/0x710
[ 3800.759307][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3800.759307][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3800.759307][T12167]      ___sys_sendmsg+0xee/0x170
[ 3800.759307][T12167]      __sys_sendmsg+0xcd/0x170
[ 3800.759307][T12167]      do_syscall_64+0xc6/0x1e0
[ 3800.759307][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3800.759307][T12167] 
[ 3800.761596][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3800.761596][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3800.761596][T12167]      ipv6_find_idev+0x102/0x170
[ 3800.761596][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3800.761596][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3800.761596][T12167]      netlink_rcv_skb+0x130/0x360
[ 3800.761596][T12167]      netlink_unicast+0x449/0x710
[ 3800.761596][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3800.761596][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3800.761596][T12167]      ___sys_sendmsg+0xee/0x170
[ 3800.761596][T12167]      __sys_sendmsg+0xcd/0x170
[ 3800.761596][T12167]      do_syscall_64+0xc6/0x1e0
[ 3800.761596][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3800.761596][T12167] 
[ 3800.763347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3800.763347][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3800.763347][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3800.763347][T12167]      ipv6_find_idev+0x102/0x170
[ 3800.763347][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3800.763347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3800.763347][T12167]      netlink_rcv_skb+0x130/0x360
[ 3800.763347][T12167]      netlink_unicast+0x449/0x710
[ 3800.763347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3800.763347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3800.763347][T12167]      ___sys_sendmsg+0xee/0x170
[ 3800.763347][T12167]      __sys_sendmsg+0xcd/0x170
[ 3800.763347][T12167]      do_syscall_64+0xc6/0x1e0
[ 3800.763347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3800.763347][T12167] 
[ 3810.910782][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3810.911286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3810.911286][T12167]      netdev_get_by_index+0x5e/0x80
[ 3810.911286][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3810.911286][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3810.911286][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3810.911286][T12167]      ipv6_add_addr+0x411/0x2000
[ 3810.911286][T12167]      inet6_addr_add+0x30e/0xa40
[ 3810.911286][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3810.911286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3810.911286][T12167]      netlink_rcv_skb+0x130/0x360
[ 3810.911286][T12167]      netlink_unicast+0x449/0x710
[ 3810.911286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3810.911286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3810.911286][T12167]      ___sys_sendmsg+0xee/0x170
[ 3810.911286][T12167]      __sys_sendmsg+0xcd/0x170
[ 3810.911286][T12167]      do_syscall_64+0xc6/0x1e0
[ 3810.911286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3810.911286][T12167] 
[ 3810.913583][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3810.913583][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3810.913583][T12167]      ipv6_find_idev+0x102/0x170
[ 3810.913583][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3810.913583][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3810.913583][T12167]      netlink_rcv_skb+0x130/0x360
[ 3810.913583][T12167]      netlink_unicast+0x449/0x710
[ 3810.913583][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3810.913583][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3810.913583][T12167]      ___sys_sendmsg+0xee/0x170
[ 3810.913583][T12167]      __sys_sendmsg+0xcd/0x170
[ 3810.913583][T12167]      do_syscall_64+0xc6/0x1e0
[ 3810.913583][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3810.913583][T12167] 
[ 3810.915326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3810.915326][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3810.915326][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3810.915326][T12167]      ipv6_find_idev+0x102/0x170
[ 3810.915326][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3810.915326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3810.915326][T12167]      netlink_rcv_skb+0x130/0x360
[ 3810.915326][T12167]      netlink_unicast+0x449/0x710
[ 3810.915326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3810.915326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3810.915326][T12167]      ___sys_sendmsg+0xee/0x170
[ 3810.915326][T12167]      __sys_sendmsg+0xcd/0x170
[ 3810.915326][T12167]      do_syscall_64+0xc6/0x1e0
[ 3810.915326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3810.915326][T12167] 
[ 3821.166764][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3821.167214][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3821.167214][T12167]      netdev_get_by_index+0x5e/0x80
[ 3821.167214][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3821.167214][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3821.167214][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3821.167214][T12167]      ipv6_add_addr+0x411/0x2000
[ 3821.167214][T12167]      inet6_addr_add+0x30e/0xa40
[ 3821.167214][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.167214][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.167214][T12167]      netlink_rcv_skb+0x130/0x360
[ 3821.167214][T12167]      netlink_unicast+0x449/0x710
[ 3821.167214][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3821.167214][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.167214][T12167]      ___sys_sendmsg+0xee/0x170
[ 3821.167214][T12167]      __sys_sendmsg+0xcd/0x170
[ 3821.167214][T12167]      do_syscall_64+0xc6/0x1e0
[ 3821.167214][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.167214][T12167] 
[ 3821.169524][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3821.169524][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3821.169524][T12167]      ipv6_find_idev+0x102/0x170
[ 3821.169524][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.169524][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.169524][T12167]      netlink_rcv_skb+0x130/0x360
[ 3821.169524][T12167]      netlink_unicast+0x449/0x710
[ 3821.169524][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3821.169524][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.169524][T12167]      ___sys_sendmsg+0xee/0x170
[ 3821.169524][T12167]      __sys_sendmsg+0xcd/0x170
[ 3821.169524][T12167]      do_syscall_64+0xc6/0x1e0
[ 3821.169524][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.169524][T12167] 
[ 3821.171364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3821.171364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3821.171364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3821.171364][T12167]      ipv6_find_idev+0x102/0x170
[ 3821.171364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.171364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.171364][T12167]      netlink_rcv_skb+0x130/0x360
[ 3821.171364][T12167]      netlink_unicast+0x449/0x710
[ 3821.171364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3821.171364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.171364][T12167]      ___sys_sendmsg+0xee/0x170
[ 3821.171364][T12167]      __sys_sendmsg+0xcd/0x170
[ 3821.171364][T12167]      do_syscall_64+0xc6/0x1e0
[ 3821.171364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.171364][T12167] 
[ 3831.422860][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3831.423366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3831.423366][T12167]      netdev_get_by_index+0x5e/0x80
[ 3831.423366][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3831.423366][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3831.423366][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3831.423366][T12167]      ipv6_add_addr+0x411/0x2000
[ 3831.423366][T12167]      inet6_addr_add+0x30e/0xa40
[ 3831.423366][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3831.423366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3831.423366][T12167]      netlink_rcv_skb+0x130/0x360
[ 3831.423366][T12167]      netlink_unicast+0x449/0x710
[ 3831.423366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3831.423366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3831.423366][T12167]      ___sys_sendmsg+0xee/0x170
[ 3831.423366][T12167]      __sys_sendmsg+0xcd/0x170
[ 3831.423366][T12167]      do_syscall_64+0xc6/0x1e0
[ 3831.423366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3831.423366][T12167] 
[ 3831.425841][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3831.425841][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3831.425841][T12167]      ipv6_find_idev+0x102/0x170
[ 3831.425841][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3831.425841][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3831.425841][T12167]      netlink_rcv_skb+0x130/0x360
[ 3831.425841][T12167]      netlink_unicast+0x449/0x710
[ 3831.425841][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3831.425841][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3831.425841][T12167]      ___sys_sendmsg+0xee/0x170
[ 3831.425841][T12167]      __sys_sendmsg+0xcd/0x170
[ 3831.425841][T12167]      do_syscall_64+0xc6/0x1e0
[ 3831.425841][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3831.425841][T12167] 
[ 3831.427671][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3831.427671][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3831.427671][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3831.427671][T12167]      ipv6_find_idev+0x102/0x170
[ 3831.427671][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3831.427671][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3831.427671][T12167]      netlink_rcv_skb+0x130/0x360
[ 3831.427671][T12167]      netlink_unicast+0x449/0x710
[ 3831.427671][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3831.427671][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3831.427671][T12167]      ___sys_sendmsg+0xee/0x170
[ 3831.427671][T12167]      __sys_sendmsg+0xcd/0x170
[ 3831.427671][T12167]      do_syscall_64+0xc6/0x1e0
[ 3831.427671][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3831.427671][T12167] 
[ 3841.614818][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3841.615251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3841.615251][T12167]      netdev_get_by_index+0x5e/0x80
[ 3841.615251][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3841.615251][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3841.615251][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3841.615251][T12167]      ipv6_add_addr+0x411/0x2000
[ 3841.615251][T12167]      inet6_addr_add+0x30e/0xa40
[ 3841.615251][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3841.615251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3841.615251][T12167]      netlink_rcv_skb+0x130/0x360
[ 3841.615251][T12167]      netlink_unicast+0x449/0x710
[ 3841.615251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3841.615251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3841.615251][T12167]      ___sys_sendmsg+0xee/0x170
[ 3841.615251][T12167]      __sys_sendmsg+0xcd/0x170
[ 3841.615251][T12167]      do_syscall_64+0xc6/0x1e0
[ 3841.615251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3841.615251][T12167] 
[ 3841.617595][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3841.617595][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3841.617595][T12167]      ipv6_find_idev+0x102/0x170
[ 3841.617595][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3841.617595][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3841.617595][T12167]      netlink_rcv_skb+0x130/0x360
[ 3841.617595][T12167]      netlink_unicast+0x449/0x710
[ 3841.617595][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3841.617595][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3841.617595][T12167]      ___sys_sendmsg+0xee/0x170
[ 3841.617595][T12167]      __sys_sendmsg+0xcd/0x170
[ 3841.617595][T12167]      do_syscall_64+0xc6/0x1e0
[ 3841.617595][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3841.617595][T12167] 
[ 3841.619347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3841.619347][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3841.619347][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3841.619347][T12167]      ipv6_find_idev+0x102/0x170
[ 3841.619347][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3841.619347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3841.619347][T12167]      netlink_rcv_skb+0x130/0x360
[ 3841.619347][T12167]      netlink_unicast+0x449/0x710
[ 3841.619347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3841.619347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3841.619347][T12167]      ___sys_sendmsg+0xee/0x170
[ 3841.619347][T12167]      __sys_sendmsg+0xcd/0x170
[ 3841.619347][T12167]      do_syscall_64+0xc6/0x1e0
[ 3841.619347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3841.619347][T12167] 
[ 3851.862824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3851.863321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3851.863321][T12167]      netdev_get_by_index+0x5e/0x80
[ 3851.863321][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3851.863321][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3851.863321][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3851.863321][T12167]      ipv6_add_addr+0x411/0x2000
[ 3851.863321][T12167]      inet6_addr_add+0x30e/0xa40
[ 3851.863321][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3851.863321][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3851.863321][T12167]      netlink_rcv_skb+0x130/0x360
[ 3851.863321][T12167]      netlink_unicast+0x449/0x710
[ 3851.863321][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3851.863321][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3851.863321][T12167]      ___sys_sendmsg+0xee/0x170
[ 3851.863321][T12167]      __sys_sendmsg+0xcd/0x170
[ 3851.863321][T12167]      do_syscall_64+0xc6/0x1e0
[ 3851.863321][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3851.863321][T12167] 
[ 3851.865634][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3851.865634][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3851.865634][T12167]      ipv6_find_idev+0x102/0x170
[ 3851.865634][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3851.865634][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3851.865634][T12167]      netlink_rcv_skb+0x130/0x360
[ 3851.865634][T12167]      netlink_unicast+0x449/0x710
[ 3851.865634][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3851.865634][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3851.865634][T12167]      ___sys_sendmsg+0xee/0x170
[ 3851.865634][T12167]      __sys_sendmsg+0xcd/0x170
[ 3851.865634][T12167]      do_syscall_64+0xc6/0x1e0
[ 3851.865634][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3851.865634][T12167] 
[ 3851.867376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3851.867376][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3851.867376][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3851.867376][T12167]      ipv6_find_idev+0x102/0x170
[ 3851.867376][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3851.867376][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3851.867376][T12167]      netlink_rcv_skb+0x130/0x360
[ 3851.867376][T12167]      netlink_unicast+0x449/0x710
[ 3851.867376][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3851.867376][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3851.867376][T12167]      ___sys_sendmsg+0xee/0x170
[ 3851.867376][T12167]      __sys_sendmsg+0xcd/0x170
[ 3851.867376][T12167]      do_syscall_64+0xc6/0x1e0
[ 3851.867376][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3851.867376][T12167] 
[ 3862.110776][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3862.111329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3862.111329][T12167]      netdev_get_by_index+0x5e/0x80
[ 3862.111329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3862.111329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3862.111329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3862.111329][T12167]      ipv6_add_addr+0x411/0x2000
[ 3862.111329][T12167]      inet6_addr_add+0x30e/0xa40
[ 3862.111329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.111329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.111329][T12167]      netlink_rcv_skb+0x130/0x360
[ 3862.111329][T12167]      netlink_unicast+0x449/0x710
[ 3862.111329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3862.111329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.111329][T12167]      ___sys_sendmsg+0xee/0x170
[ 3862.111329][T12167]      __sys_sendmsg+0xcd/0x170
[ 3862.111329][T12167]      do_syscall_64+0xc6/0x1e0
[ 3862.111329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.111329][T12167] 
[ 3862.113617][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3862.113617][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3862.113617][T12167]      ipv6_find_idev+0x102/0x170
[ 3862.113617][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.113617][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.113617][T12167]      netlink_rcv_skb+0x130/0x360
[ 3862.113617][T12167]      netlink_unicast+0x449/0x710
[ 3862.113617][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3862.113617][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.113617][T12167]      ___sys_sendmsg+0xee/0x170
[ 3862.113617][T12167]      __sys_sendmsg+0xcd/0x170
[ 3862.113617][T12167]      do_syscall_64+0xc6/0x1e0
[ 3862.113617][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.113617][T12167] 
[ 3862.115357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3862.115357][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3862.115357][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3862.115357][T12167]      ipv6_find_idev+0x102/0x170
[ 3862.115357][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.115357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.115357][T12167]      netlink_rcv_skb+0x130/0x360
[ 3862.115357][T12167]      netlink_unicast+0x449/0x710
[ 3862.115357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3862.115357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.115357][T12167]      ___sys_sendmsg+0xee/0x170
[ 3862.115357][T12167]      __sys_sendmsg+0xcd/0x170
[ 3862.115357][T12167]      do_syscall_64+0xc6/0x1e0
[ 3862.115357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.115357][T12167] 
[ 3872.358766][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3872.359291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3872.359291][T12167]      netdev_get_by_index+0x5e/0x80
[ 3872.359291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3872.359291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3872.359291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3872.359291][T12167]      ipv6_add_addr+0x411/0x2000
[ 3872.359291][T12167]      inet6_addr_add+0x30e/0xa40
[ 3872.359291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3872.359291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3872.359291][T12167]      netlink_rcv_skb+0x130/0x360
[ 3872.359291][T12167]      netlink_unicast+0x449/0x710
[ 3872.359291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3872.359291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3872.359291][T12167]      ___sys_sendmsg+0xee/0x170
[ 3872.359291][T12167]      __sys_sendmsg+0xcd/0x170
[ 3872.359291][T12167]      do_syscall_64+0xc6/0x1e0
[ 3872.359291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3872.359291][T12167] 
[ 3872.361544][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3872.361544][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3872.361544][T12167]      ipv6_find_idev+0x102/0x170
[ 3872.361544][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3872.361544][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3872.361544][T12167]      netlink_rcv_skb+0x130/0x360
[ 3872.361544][T12167]      netlink_unicast+0x449/0x710
[ 3872.361544][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3872.361544][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3872.361544][T12167]      ___sys_sendmsg+0xee/0x170
[ 3872.361544][T12167]      __sys_sendmsg+0xcd/0x170
[ 3872.361544][T12167]      do_syscall_64+0xc6/0x1e0
[ 3872.361544][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3872.361544][T12167] 
[ 3872.363420][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3872.363420][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3872.363420][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3872.363420][T12167]      ipv6_find_idev+0x102/0x170
[ 3872.363420][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3872.363420][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3872.363420][T12167]      netlink_rcv_skb+0x130/0x360
[ 3872.363420][T12167]      netlink_unicast+0x449/0x710
[ 3872.363420][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3872.363420][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3872.363420][T12167]      ___sys_sendmsg+0xee/0x170
[ 3872.363420][T12167]      __sys_sendmsg+0xcd/0x170
[ 3872.363420][T12167]      do_syscall_64+0xc6/0x1e0
[ 3872.363420][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3872.363420][T12167] 
[ 3882.606915][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3882.607410][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3882.607410][T12167]      netdev_get_by_index+0x5e/0x80
[ 3882.607410][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3882.607410][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3882.607410][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3882.607410][T12167]      ipv6_add_addr+0x411/0x2000
[ 3882.607410][T12167]      inet6_addr_add+0x30e/0xa40
[ 3882.607410][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3882.607410][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3882.607410][T12167]      netlink_rcv_skb+0x130/0x360
[ 3882.607410][T12167]      netlink_unicast+0x449/0x710
[ 3882.607410][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3882.607410][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3882.607410][T12167]      ___sys_sendmsg+0xee/0x170
[ 3882.607410][T12167]      __sys_sendmsg+0xcd/0x170
[ 3882.607410][T12167]      do_syscall_64+0xc6/0x1e0
[ 3882.607410][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3882.607410][T12167] 
[ 3882.609676][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3882.609676][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3882.609676][T12167]      ipv6_find_idev+0x102/0x170
[ 3882.609676][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3882.609676][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3882.609676][T12167]      netlink_rcv_skb+0x130/0x360
[ 3882.609676][T12167]      netlink_unicast+0x449/0x710
[ 3882.609676][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3882.609676][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3882.609676][T12167]      ___sys_sendmsg+0xee/0x170
[ 3882.609676][T12167]      __sys_sendmsg+0xcd/0x170
[ 3882.609676][T12167]      do_syscall_64+0xc6/0x1e0
[ 3882.609676][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3882.609676][T12167] 
[ 3882.611417][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3882.611417][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3882.611417][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3882.611417][T12167]      ipv6_find_idev+0x102/0x170
[ 3882.611417][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3882.611417][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3882.611417][T12167]      netlink_rcv_skb+0x130/0x360
[ 3882.611417][T12167]      netlink_unicast+0x449/0x710
[ 3882.611417][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3882.611417][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3882.611417][T12167]      ___sys_sendmsg+0xee/0x170
[ 3882.611417][T12167]      __sys_sendmsg+0xcd/0x170
[ 3882.611417][T12167]      do_syscall_64+0xc6/0x1e0
[ 3882.611417][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3882.611417][T12167] 
[ 3892.854748][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3892.855266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3892.855266][T12167]      netdev_get_by_index+0x5e/0x80
[ 3892.855266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3892.855266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3892.855266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3892.855266][T12167]      ipv6_add_addr+0x411/0x2000
[ 3892.855266][T12167]      inet6_addr_add+0x30e/0xa40
[ 3892.855266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3892.855266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3892.855266][T12167]      netlink_rcv_skb+0x130/0x360
[ 3892.855266][T12167]      netlink_unicast+0x449/0x710
[ 3892.855266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3892.855266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3892.855266][T12167]      ___sys_sendmsg+0xee/0x170
[ 3892.855266][T12167]      __sys_sendmsg+0xcd/0x170
[ 3892.855266][T12167]      do_syscall_64+0xc6/0x1e0
[ 3892.855266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3892.855266][T12167] 
[ 3892.857584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3892.857584][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3892.857584][T12167]      ipv6_find_idev+0x102/0x170
[ 3892.857584][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3892.857584][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3892.857584][T12167]      netlink_rcv_skb+0x130/0x360
[ 3892.857584][T12167]      netlink_unicast+0x449/0x710
[ 3892.857584][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3892.857584][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3892.857584][T12167]      ___sys_sendmsg+0xee/0x170
[ 3892.857584][T12167]      __sys_sendmsg+0xcd/0x170
[ 3892.857584][T12167]      do_syscall_64+0xc6/0x1e0
[ 3892.857584][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3892.857584][T12167] 
[ 3892.859349][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3892.859349][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3892.859349][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3892.859349][T12167]      ipv6_find_idev+0x102/0x170
[ 3892.859349][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3892.859349][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3892.859349][T12167]      netlink_rcv_skb+0x130/0x360
[ 3892.859349][T12167]      netlink_unicast+0x449/0x710
[ 3892.859349][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3892.859349][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3892.859349][T12167]      ___sys_sendmsg+0xee/0x170
[ 3892.859349][T12167]      __sys_sendmsg+0xcd/0x170
[ 3892.859349][T12167]      do_syscall_64+0xc6/0x1e0
[ 3892.859349][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3892.859349][T12167] 
[ 3903.102788][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3903.103243][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3903.103243][T12167]      netdev_get_by_index+0x5e/0x80
[ 3903.103243][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3903.103243][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3903.103243][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3903.103243][T12167]      ipv6_add_addr+0x411/0x2000
[ 3903.103243][T12167]      inet6_addr_add+0x30e/0xa40
[ 3903.103243][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3903.103243][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3903.103243][T12167]      netlink_rcv_skb+0x130/0x360
[ 3903.103243][T12167]      netlink_unicast+0x449/0x710
[ 3903.103243][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3903.103243][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3903.103243][T12167]      ___sys_sendmsg+0xee/0x170
[ 3903.103243][T12167]      __sys_sendmsg+0xcd/0x170
[ 3903.103243][T12167]      do_syscall_64+0xc6/0x1e0
[ 3903.103243][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3903.103243][T12167] 
[ 3903.105551][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3903.105551][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3903.105551][T12167]      ipv6_find_idev+0x102/0x170
[ 3903.105551][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3903.105551][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3903.105551][T12167]      netlink_rcv_skb+0x130/0x360
[ 3903.105551][T12167]      netlink_unicast+0x449/0x710
[ 3903.105551][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3903.105551][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3903.105551][T12167]      ___sys_sendmsg+0xee/0x170
[ 3903.105551][T12167]      __sys_sendmsg+0xcd/0x170
[ 3903.105551][T12167]      do_syscall_64+0xc6/0x1e0
[ 3903.105551][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3903.105551][T12167] 
[ 3903.107342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3903.107342][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3903.107342][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3903.107342][T12167]      ipv6_find_idev+0x102/0x170
[ 3903.107342][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3903.107342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3903.107342][T12167]      netlink_rcv_skb+0x130/0x360
[ 3903.107342][T12167]      netlink_unicast+0x449/0x710
[ 3903.107342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3903.107342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3903.107342][T12167]      ___sys_sendmsg+0xee/0x170
[ 3903.107342][T12167]      __sys_sendmsg+0xcd/0x170
[ 3903.107342][T12167]      do_syscall_64+0xc6/0x1e0
[ 3903.107342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3903.107342][T12167] 
[ 3913.350759][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3913.351302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3913.351302][T12167]      netdev_get_by_index+0x5e/0x80
[ 3913.351302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3913.351302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3913.351302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3913.351302][T12167]      ipv6_add_addr+0x411/0x2000
[ 3913.351302][T12167]      inet6_addr_add+0x30e/0xa40
[ 3913.351302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3913.351302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3913.351302][T12167]      netlink_rcv_skb+0x130/0x360
[ 3913.351302][T12167]      netlink_unicast+0x449/0x710
[ 3913.351302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3913.351302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3913.351302][T12167]      ___sys_sendmsg+0xee/0x170
[ 3913.351302][T12167]      __sys_sendmsg+0xcd/0x170
[ 3913.351302][T12167]      do_syscall_64+0xc6/0x1e0
[ 3913.351302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3913.351302][T12167] 
[ 3913.354026][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3913.354026][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3913.354026][T12167]      ipv6_find_idev+0x102/0x170
[ 3913.354026][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3913.354026][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3913.354026][T12167]      netlink_rcv_skb+0x130/0x360
[ 3913.354026][T12167]      netlink_unicast+0x449/0x710
[ 3913.354026][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3913.354026][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3913.354026][T12167]      ___sys_sendmsg+0xee/0x170
[ 3913.354026][T12167]      __sys_sendmsg+0xcd/0x170
[ 3913.354026][T12167]      do_syscall_64+0xc6/0x1e0
[ 3913.354026][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3913.354026][T12167] 
[ 3913.355804][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3913.355804][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3913.355804][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3913.355804][T12167]      ipv6_find_idev+0x102/0x170
[ 3913.355804][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3913.355804][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3913.355804][T12167]      netlink_rcv_skb+0x130/0x360
[ 3913.355804][T12167]      netlink_unicast+0x449/0x710
[ 3913.355804][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3913.355804][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3913.355804][T12167]      ___sys_sendmsg+0xee/0x170
[ 3913.355804][T12167]      __sys_sendmsg+0xcd/0x170
[ 3913.355804][T12167]      do_syscall_64+0xc6/0x1e0
[ 3913.355804][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3913.355804][T12167] 
[ 3923.598813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3923.599302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3923.599302][T12167]      netdev_get_by_index+0x5e/0x80
[ 3923.599302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3923.599302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3923.599302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3923.599302][T12167]      ipv6_add_addr+0x411/0x2000
[ 3923.599302][T12167]      inet6_addr_add+0x30e/0xa40
[ 3923.599302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3923.599302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3923.599302][T12167]      netlink_rcv_skb+0x130/0x360
[ 3923.599302][T12167]      netlink_unicast+0x449/0x710
[ 3923.599302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3923.599302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3923.599302][T12167]      ___sys_sendmsg+0xee/0x170
[ 3923.599302][T12167]      __sys_sendmsg+0xcd/0x170
[ 3923.599302][T12167]      do_syscall_64+0xc6/0x1e0
[ 3923.599302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3923.599302][T12167] 
[ 3923.601644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3923.601644][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3923.601644][T12167]      ipv6_find_idev+0x102/0x170
[ 3923.601644][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3923.601644][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3923.601644][T12167]      netlink_rcv_skb+0x130/0x360
[ 3923.601644][T12167]      netlink_unicast+0x449/0x710
[ 3923.601644][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3923.601644][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3923.601644][T12167]      ___sys_sendmsg+0xee/0x170
[ 3923.601644][T12167]      __sys_sendmsg+0xcd/0x170
[ 3923.601644][T12167]      do_syscall_64+0xc6/0x1e0
[ 3923.601644][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3923.601644][T12167] 
[ 3923.603425][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3923.603425][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3923.603425][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3923.603425][T12167]      ipv6_find_idev+0x102/0x170
[ 3923.603425][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3923.603425][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3923.603425][T12167]      netlink_rcv_skb+0x130/0x360
[ 3923.603425][T12167]      netlink_unicast+0x449/0x710
[ 3923.603425][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3923.603425][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3923.603425][T12167]      ___sys_sendmsg+0xee/0x170
[ 3923.603425][T12167]      __sys_sendmsg+0xcd/0x170
[ 3923.603425][T12167]      do_syscall_64+0xc6/0x1e0
[ 3923.603425][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3923.603425][T12167] 
[ 3933.678778][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3933.679284][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3933.679284][T12167]      netdev_get_by_index+0x5e/0x80
[ 3933.679284][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3933.679284][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3933.679284][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3933.679284][T12167]      ipv6_add_addr+0x411/0x2000
[ 3933.679284][T12167]      inet6_addr_add+0x30e/0xa40
[ 3933.679284][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3933.679284][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3933.679284][T12167]      netlink_rcv_skb+0x130/0x360
[ 3933.679284][T12167]      netlink_unicast+0x449/0x710
[ 3933.679284][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3933.679284][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3933.679284][T12167]      ___sys_sendmsg+0xee/0x170
[ 3933.679284][T12167]      __sys_sendmsg+0xcd/0x170
[ 3933.679284][T12167]      do_syscall_64+0xc6/0x1e0
[ 3933.679284][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3933.679284][T12167] 
[ 3933.681691][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3933.681691][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3933.681691][T12167]      ipv6_find_idev+0x102/0x170
[ 3933.681691][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3933.681691][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3933.681691][T12167]      netlink_rcv_skb+0x130/0x360
[ 3933.681691][T12167]      netlink_unicast+0x449/0x710
[ 3933.681691][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3933.681691][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3933.681691][T12167]      ___sys_sendmsg+0xee/0x170
[ 3933.681691][T12167]      __sys_sendmsg+0xcd/0x170
[ 3933.681691][T12167]      do_syscall_64+0xc6/0x1e0
[ 3933.681691][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3933.681691][T12167] 
[ 3933.683472][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3933.683472][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3933.683472][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3933.683472][T12167]      ipv6_find_idev+0x102/0x170
[ 3933.683472][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3933.683472][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3933.683472][T12167]      netlink_rcv_skb+0x130/0x360
[ 3933.683472][T12167]      netlink_unicast+0x449/0x710
[ 3933.683472][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3933.683472][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3933.683472][T12167]      ___sys_sendmsg+0xee/0x170
[ 3933.683472][T12167]      __sys_sendmsg+0xcd/0x170
[ 3933.683472][T12167]      do_syscall_64+0xc6/0x1e0
[ 3933.683472][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3933.683472][T12167] 
[ 3943.926775][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3943.927224][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3943.927224][T12167]      netdev_get_by_index+0x5e/0x80
[ 3943.927224][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3943.927224][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3943.927224][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3943.927224][T12167]      ipv6_add_addr+0x411/0x2000
[ 3943.927224][T12167]      inet6_addr_add+0x30e/0xa40
[ 3943.927224][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3943.927224][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3943.927224][T12167]      netlink_rcv_skb+0x130/0x360
[ 3943.927224][T12167]      netlink_unicast+0x449/0x710
[ 3943.927224][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3943.927224][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3943.927224][T12167]      ___sys_sendmsg+0xee/0x170
[ 3943.927224][T12167]      __sys_sendmsg+0xcd/0x170
[ 3943.927224][T12167]      do_syscall_64+0xc6/0x1e0
[ 3943.927224][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3943.927224][T12167] 
[ 3943.929552][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3943.929552][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3943.929552][T12167]      ipv6_find_idev+0x102/0x170
[ 3943.929552][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3943.929552][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3943.929552][T12167]      netlink_rcv_skb+0x130/0x360
[ 3943.929552][T12167]      netlink_unicast+0x449/0x710
[ 3943.929552][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3943.929552][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3943.929552][T12167]      ___sys_sendmsg+0xee/0x170
[ 3943.929552][T12167]      __sys_sendmsg+0xcd/0x170
[ 3943.929552][T12167]      do_syscall_64+0xc6/0x1e0
[ 3943.929552][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3943.929552][T12167] 
[ 3943.931315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3943.931315][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3943.931315][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3943.931315][T12167]      ipv6_find_idev+0x102/0x170
[ 3943.931315][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3943.931315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3943.931315][T12167]      netlink_rcv_skb+0x130/0x360
[ 3943.931315][T12167]      netlink_unicast+0x449/0x710
[ 3943.931315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3943.931315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3943.931315][T12167]      ___sys_sendmsg+0xee/0x170
[ 3943.931315][T12167]      __sys_sendmsg+0xcd/0x170
[ 3943.931315][T12167]      do_syscall_64+0xc6/0x1e0
[ 3943.931315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3943.931315][T12167] 
[ 3954.174839][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3954.175313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3954.175313][T12167]      netdev_get_by_index+0x5e/0x80
[ 3954.175313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3954.175313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3954.175313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3954.175313][T12167]      ipv6_add_addr+0x411/0x2000
[ 3954.175313][T12167]      inet6_addr_add+0x30e/0xa40
[ 3954.175313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3954.175313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3954.175313][T12167]      netlink_rcv_skb+0x130/0x360
[ 3954.175313][T12167]      netlink_unicast+0x449/0x710
[ 3954.175313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3954.175313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3954.175313][T12167]      ___sys_sendmsg+0xee/0x170
[ 3954.175313][T12167]      __sys_sendmsg+0xcd/0x170
[ 3954.175313][T12167]      do_syscall_64+0xc6/0x1e0
[ 3954.175313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3954.175313][T12167] 
[ 3954.177609][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3954.177609][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3954.177609][T12167]      ipv6_find_idev+0x102/0x170
[ 3954.177609][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3954.177609][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3954.177609][T12167]      netlink_rcv_skb+0x130/0x360
[ 3954.177609][T12167]      netlink_unicast+0x449/0x710
[ 3954.177609][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3954.177609][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3954.177609][T12167]      ___sys_sendmsg+0xee/0x170
[ 3954.177609][T12167]      __sys_sendmsg+0xcd/0x170
[ 3954.177609][T12167]      do_syscall_64+0xc6/0x1e0
[ 3954.177609][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3954.177609][T12167] 
[ 3954.179371][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3954.179371][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3954.179371][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3954.179371][T12167]      ipv6_find_idev+0x102/0x170
[ 3954.179371][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3954.179371][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3954.179371][T12167]      netlink_rcv_skb+0x130/0x360
[ 3954.179371][T12167]      netlink_unicast+0x449/0x710
[ 3954.179371][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3954.179371][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3954.179371][T12167]      ___sys_sendmsg+0xee/0x170
[ 3954.179371][T12167]      __sys_sendmsg+0xcd/0x170
[ 3954.179371][T12167]      do_syscall_64+0xc6/0x1e0
[ 3954.179371][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3954.179371][T12167] 
[ 3964.422825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3964.423298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3964.423298][T12167]      netdev_get_by_index+0x5e/0x80
[ 3964.423298][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3964.423298][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3964.423298][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3964.423298][T12167]      ipv6_add_addr+0x411/0x2000
[ 3964.423298][T12167]      inet6_addr_add+0x30e/0xa40
[ 3964.423298][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3964.423298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3964.423298][T12167]      netlink_rcv_skb+0x130/0x360
[ 3964.423298][T12167]      netlink_unicast+0x449/0x710
[ 3964.423298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3964.423298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3964.423298][T12167]      ___sys_sendmsg+0xee/0x170
[ 3964.423298][T12167]      __sys_sendmsg+0xcd/0x170
[ 3964.423298][T12167]      do_syscall_64+0xc6/0x1e0
[ 3964.423298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3964.423298][T12167] 
[ 3964.425598][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3964.425598][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3964.425598][T12167]      ipv6_find_idev+0x102/0x170
[ 3964.425598][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3964.425598][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3964.425598][T12167]      netlink_rcv_skb+0x130/0x360
[ 3964.425598][T12167]      netlink_unicast+0x449/0x710
[ 3964.425598][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3964.425598][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3964.425598][T12167]      ___sys_sendmsg+0xee/0x170
[ 3964.425598][T12167]      __sys_sendmsg+0xcd/0x170
[ 3964.425598][T12167]      do_syscall_64+0xc6/0x1e0
[ 3964.425598][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3964.425598][T12167] 
[ 3964.427368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3964.427368][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3964.427368][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3964.427368][T12167]      ipv6_find_idev+0x102/0x170
[ 3964.427368][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3964.427368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3964.427368][T12167]      netlink_rcv_skb+0x130/0x360
[ 3964.427368][T12167]      netlink_unicast+0x449/0x710
[ 3964.427368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3964.427368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3964.427368][T12167]      ___sys_sendmsg+0xee/0x170
[ 3964.427368][T12167]      __sys_sendmsg+0xcd/0x170
[ 3964.427368][T12167]      do_syscall_64+0xc6/0x1e0
[ 3964.427368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3964.427368][T12167] 
[ 3974.670934][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3974.671381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3974.671381][T12167]      netdev_get_by_index+0x5e/0x80
[ 3974.671381][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3974.671381][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3974.671381][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3974.671381][T12167]      ipv6_add_addr+0x411/0x2000
[ 3974.671381][T12167]      inet6_addr_add+0x30e/0xa40
[ 3974.671381][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3974.671381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3974.671381][T12167]      netlink_rcv_skb+0x130/0x360
[ 3974.671381][T12167]      netlink_unicast+0x449/0x710
[ 3974.671381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3974.671381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3974.671381][T12167]      ___sys_sendmsg+0xee/0x170
[ 3974.671381][T12167]      __sys_sendmsg+0xcd/0x170
[ 3974.671381][T12167]      do_syscall_64+0xc6/0x1e0
[ 3974.671381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3974.671381][T12167] 
[ 3974.673680][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3974.673680][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3974.673680][T12167]      ipv6_find_idev+0x102/0x170
[ 3974.673680][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3974.673680][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3974.673680][T12167]      netlink_rcv_skb+0x130/0x360
[ 3974.673680][T12167]      netlink_unicast+0x449/0x710
[ 3974.673680][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3974.673680][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3974.673680][T12167]      ___sys_sendmsg+0xee/0x170
[ 3974.673680][T12167]      __sys_sendmsg+0xcd/0x170
[ 3974.673680][T12167]      do_syscall_64+0xc6/0x1e0
[ 3974.673680][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3974.673680][T12167] 
[ 3974.675433][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3974.675433][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3974.675433][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3974.675433][T12167]      ipv6_find_idev+0x102/0x170
[ 3974.675433][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3974.675433][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3974.675433][T12167]      netlink_rcv_skb+0x130/0x360
[ 3974.675433][T12167]      netlink_unicast+0x449/0x710
[ 3974.675433][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3974.675433][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3974.675433][T12167]      ___sys_sendmsg+0xee/0x170
[ 3974.675433][T12167]      __sys_sendmsg+0xcd/0x170
[ 3974.675433][T12167]      do_syscall_64+0xc6/0x1e0
[ 3974.675433][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3974.675433][T12167] 
[ 3984.918766][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3984.919212][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3984.919212][T12167]      netdev_get_by_index+0x5e/0x80
[ 3984.919212][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3984.919212][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3984.919212][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3984.919212][T12167]      ipv6_add_addr+0x411/0x2000
[ 3984.919212][T12167]      inet6_addr_add+0x30e/0xa40
[ 3984.919212][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3984.919212][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3984.919212][T12167]      netlink_rcv_skb+0x130/0x360
[ 3984.919212][T12167]      netlink_unicast+0x449/0x710
[ 3984.919212][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3984.919212][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3984.919212][T12167]      ___sys_sendmsg+0xee/0x170
[ 3984.919212][T12167]      __sys_sendmsg+0xcd/0x170
[ 3984.919212][T12167]      do_syscall_64+0xc6/0x1e0
[ 3984.919212][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3984.919212][T12167] 
[ 3984.921508][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3984.921508][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3984.921508][T12167]      ipv6_find_idev+0x102/0x170
[ 3984.921508][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3984.921508][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3984.921508][T12167]      netlink_rcv_skb+0x130/0x360
[ 3984.921508][T12167]      netlink_unicast+0x449/0x710
[ 3984.921508][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3984.921508][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3984.921508][T12167]      ___sys_sendmsg+0xee/0x170
[ 3984.921508][T12167]      __sys_sendmsg+0xcd/0x170
[ 3984.921508][T12167]      do_syscall_64+0xc6/0x1e0
[ 3984.921508][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3984.921508][T12167] 
[ 3984.923253][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3984.923253][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3984.923253][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3984.923253][T12167]      ipv6_find_idev+0x102/0x170
[ 3984.923253][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3984.923253][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3984.923253][T12167]      netlink_rcv_skb+0x130/0x360
[ 3984.923253][T12167]      netlink_unicast+0x449/0x710
[ 3984.923253][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3984.923253][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3984.923253][T12167]      ___sys_sendmsg+0xee/0x170
[ 3984.923253][T12167]      __sys_sendmsg+0xcd/0x170
[ 3984.923253][T12167]      do_syscall_64+0xc6/0x1e0
[ 3984.923253][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3984.923253][T12167] 
[ 3995.166823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 3995.167284][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3995.167284][T12167]      netdev_get_by_index+0x5e/0x80
[ 3995.167284][T12167]      fib6_nh_init+0x3d8/0x1580
[ 3995.167284][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 3995.167284][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 3995.167284][T12167]      ipv6_add_addr+0x411/0x2000
[ 3995.167284][T12167]      inet6_addr_add+0x30e/0xa40
[ 3995.167284][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 3995.167284][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3995.167284][T12167]      netlink_rcv_skb+0x130/0x360
[ 3995.167284][T12167]      netlink_unicast+0x449/0x710
[ 3995.167284][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3995.167284][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3995.167284][T12167]      ___sys_sendmsg+0xee/0x170
[ 3995.167284][T12167]      __sys_sendmsg+0xcd/0x170
[ 3995.167284][T12167]      do_syscall_64+0xc6/0x1e0
[ 3995.167284][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3995.167284][T12167] 
[ 3995.169559][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3995.169559][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 3995.169559][T12167]      ipv6_find_idev+0x102/0x170
[ 3995.169559][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3995.169559][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3995.169559][T12167]      netlink_rcv_skb+0x130/0x360
[ 3995.169559][T12167]      netlink_unicast+0x449/0x710
[ 3995.169559][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3995.169559][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3995.169559][T12167]      ___sys_sendmsg+0xee/0x170
[ 3995.169559][T12167]      __sys_sendmsg+0xcd/0x170
[ 3995.169559][T12167]      do_syscall_64+0xc6/0x1e0
[ 3995.169559][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3995.169559][T12167] 
[ 3995.171304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 3995.171304][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 3995.171304][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 3995.171304][T12167]      ipv6_find_idev+0x102/0x170
[ 3995.171304][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3995.171304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3995.171304][T12167]      netlink_rcv_skb+0x130/0x360
[ 3995.171304][T12167]      netlink_unicast+0x449/0x710
[ 3995.171304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 3995.171304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 3995.171304][T12167]      ___sys_sendmsg+0xee/0x170
[ 3995.171304][T12167]      __sys_sendmsg+0xcd/0x170
[ 3995.171304][T12167]      do_syscall_64+0xc6/0x1e0
[ 3995.171304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3995.171304][T12167] 
[ 4005.414768][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4005.415206][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4005.415206][T12167]      netdev_get_by_index+0x5e/0x80
[ 4005.415206][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4005.415206][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4005.415206][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4005.415206][T12167]      ipv6_add_addr+0x411/0x2000
[ 4005.415206][T12167]      inet6_addr_add+0x30e/0xa40
[ 4005.415206][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4005.415206][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4005.415206][T12167]      netlink_rcv_skb+0x130/0x360
[ 4005.415206][T12167]      netlink_unicast+0x449/0x710
[ 4005.415206][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4005.415206][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4005.415206][T12167]      ___sys_sendmsg+0xee/0x170
[ 4005.415206][T12167]      __sys_sendmsg+0xcd/0x170
[ 4005.415206][T12167]      do_syscall_64+0xc6/0x1e0
[ 4005.415206][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4005.415206][T12167] 
[ 4005.417505][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4005.417505][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4005.417505][T12167]      ipv6_find_idev+0x102/0x170
[ 4005.417505][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4005.417505][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4005.417505][T12167]      netlink_rcv_skb+0x130/0x360
[ 4005.417505][T12167]      netlink_unicast+0x449/0x710
[ 4005.417505][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4005.417505][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4005.417505][T12167]      ___sys_sendmsg+0xee/0x170
[ 4005.417505][T12167]      __sys_sendmsg+0xcd/0x170
[ 4005.417505][T12167]      do_syscall_64+0xc6/0x1e0
[ 4005.417505][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4005.417505][T12167] 
[ 4005.419251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4005.419251][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4005.419251][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4005.419251][T12167]      ipv6_find_idev+0x102/0x170
[ 4005.419251][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4005.419251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4005.419251][T12167]      netlink_rcv_skb+0x130/0x360
[ 4005.419251][T12167]      netlink_unicast+0x449/0x710
[ 4005.419251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4005.419251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4005.419251][T12167]      ___sys_sendmsg+0xee/0x170
[ 4005.419251][T12167]      __sys_sendmsg+0xcd/0x170
[ 4005.419251][T12167]      do_syscall_64+0xc6/0x1e0
[ 4005.419251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4005.419251][T12167] 
[ 4015.662809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4015.663247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4015.663247][T12167]      netdev_get_by_index+0x5e/0x80
[ 4015.663247][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4015.663247][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4015.663247][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4015.663247][T12167]      ipv6_add_addr+0x411/0x2000
[ 4015.663247][T12167]      inet6_addr_add+0x30e/0xa40
[ 4015.663247][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4015.663247][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4015.663247][T12167]      netlink_rcv_skb+0x130/0x360
[ 4015.663247][T12167]      netlink_unicast+0x449/0x710
[ 4015.663247][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4015.663247][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4015.663247][T12167]      ___sys_sendmsg+0xee/0x170
[ 4015.663247][T12167]      __sys_sendmsg+0xcd/0x170
[ 4015.663247][T12167]      do_syscall_64+0xc6/0x1e0
[ 4015.663247][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4015.663247][T12167] 
[ 4015.665540][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4015.665540][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4015.665540][T12167]      ipv6_find_idev+0x102/0x170
[ 4015.665540][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4015.665540][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4015.665540][T12167]      netlink_rcv_skb+0x130/0x360
[ 4015.665540][T12167]      netlink_unicast+0x449/0x710
[ 4015.665540][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4015.665540][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4015.665540][T12167]      ___sys_sendmsg+0xee/0x170
[ 4015.665540][T12167]      __sys_sendmsg+0xcd/0x170
[ 4015.665540][T12167]      do_syscall_64+0xc6/0x1e0
[ 4015.665540][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4015.665540][T12167] 
[ 4015.667306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4015.667306][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4015.667306][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4015.667306][T12167]      ipv6_find_idev+0x102/0x170
[ 4015.667306][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4015.667306][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4015.667306][T12167]      netlink_rcv_skb+0x130/0x360
[ 4015.667306][T12167]      netlink_unicast+0x449/0x710
[ 4015.667306][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4015.667306][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4015.667306][T12167]      ___sys_sendmsg+0xee/0x170
[ 4015.667306][T12167]      __sys_sendmsg+0xcd/0x170
[ 4015.667306][T12167]      do_syscall_64+0xc6/0x1e0
[ 4015.667306][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4015.667306][T12167] 
[ 4025.782766][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4025.783200][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4025.783200][T12167]      netdev_get_by_index+0x5e/0x80
[ 4025.783200][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4025.783200][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4025.783200][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4025.783200][T12167]      ipv6_add_addr+0x411/0x2000
[ 4025.783200][T12167]      inet6_addr_add+0x30e/0xa40
[ 4025.783200][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4025.783200][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4025.783200][T12167]      netlink_rcv_skb+0x130/0x360
[ 4025.783200][T12167]      netlink_unicast+0x449/0x710
[ 4025.783200][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4025.783200][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4025.783200][T12167]      ___sys_sendmsg+0xee/0x170
[ 4025.783200][T12167]      __sys_sendmsg+0xcd/0x170
[ 4025.783200][T12167]      do_syscall_64+0xc6/0x1e0
[ 4025.783200][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4025.783200][T12167] 
[ 4025.785521][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4025.785521][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4025.785521][T12167]      ipv6_find_idev+0x102/0x170
[ 4025.785521][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4025.785521][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4025.785521][T12167]      netlink_rcv_skb+0x130/0x360
[ 4025.785521][T12167]      netlink_unicast+0x449/0x710
[ 4025.785521][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4025.785521][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4025.785521][T12167]      ___sys_sendmsg+0xee/0x170
[ 4025.785521][T12167]      __sys_sendmsg+0xcd/0x170
[ 4025.785521][T12167]      do_syscall_64+0xc6/0x1e0
[ 4025.785521][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4025.785521][T12167] 
[ 4025.787300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4025.787300][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4025.787300][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4025.787300][T12167]      ipv6_find_idev+0x102/0x170
[ 4025.787300][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4025.787300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4025.787300][T12167]      netlink_rcv_skb+0x130/0x360
[ 4025.787300][T12167]      netlink_unicast+0x449/0x710
[ 4025.787300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4025.787300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4025.787300][T12167]      ___sys_sendmsg+0xee/0x170
[ 4025.787300][T12167]      __sys_sendmsg+0xcd/0x170
[ 4025.787300][T12167]      do_syscall_64+0xc6/0x1e0
[ 4025.787300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4025.787300][T12167] 
[ 4036.038818][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4036.039288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4036.039288][T12167]      netdev_get_by_index+0x5e/0x80
[ 4036.039288][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4036.039288][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4036.039288][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4036.039288][T12167]      ipv6_add_addr+0x411/0x2000
[ 4036.039288][T12167]      inet6_addr_add+0x30e/0xa40
[ 4036.039288][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4036.039288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4036.039288][T12167]      netlink_rcv_skb+0x130/0x360
[ 4036.039288][T12167]      netlink_unicast+0x449/0x710
[ 4036.039288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4036.039288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4036.039288][T12167]      ___sys_sendmsg+0xee/0x170
[ 4036.039288][T12167]      __sys_sendmsg+0xcd/0x170
[ 4036.039288][T12167]      do_syscall_64+0xc6/0x1e0
[ 4036.039288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4036.039288][T12167] 
[ 4036.041644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4036.041644][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4036.041644][T12167]      ipv6_find_idev+0x102/0x170
[ 4036.041644][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4036.041644][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4036.041644][T12167]      netlink_rcv_skb+0x130/0x360
[ 4036.041644][T12167]      netlink_unicast+0x449/0x710
[ 4036.041644][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4036.041644][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4036.041644][T12167]      ___sys_sendmsg+0xee/0x170
[ 4036.041644][T12167]      __sys_sendmsg+0xcd/0x170
[ 4036.041644][T12167]      do_syscall_64+0xc6/0x1e0
[ 4036.041644][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4036.041644][T12167] 
[ 4036.043417][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4036.043417][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4036.043417][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4036.043417][T12167]      ipv6_find_idev+0x102/0x170
[ 4036.043417][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4036.043417][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4036.043417][T12167]      netlink_rcv_skb+0x130/0x360
[ 4036.043417][T12167]      netlink_unicast+0x449/0x710
[ 4036.043417][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4036.043417][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4036.043417][T12167]      ___sys_sendmsg+0xee/0x170
[ 4036.043417][T12167]      __sys_sendmsg+0xcd/0x170
[ 4036.043417][T12167]      do_syscall_64+0xc6/0x1e0
[ 4036.043417][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4036.043417][T12167] 
[ 4046.294851][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4046.295332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4046.295332][T12167]      netdev_get_by_index+0x5e/0x80
[ 4046.295332][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4046.295332][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4046.295332][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4046.295332][T12167]      ipv6_add_addr+0x411/0x2000
[ 4046.295332][T12167]      inet6_addr_add+0x30e/0xa40
[ 4046.295332][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4046.295332][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4046.295332][T12167]      netlink_rcv_skb+0x130/0x360
[ 4046.295332][T12167]      netlink_unicast+0x449/0x710
[ 4046.295332][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4046.295332][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4046.295332][T12167]      ___sys_sendmsg+0xee/0x170
[ 4046.295332][T12167]      __sys_sendmsg+0xcd/0x170
[ 4046.295332][T12167]      do_syscall_64+0xc6/0x1e0
[ 4046.295332][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4046.295332][T12167] 
[ 4046.297629][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4046.297629][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4046.297629][T12167]      ipv6_find_idev+0x102/0x170
[ 4046.297629][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4046.297629][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4046.297629][T12167]      netlink_rcv_skb+0x130/0x360
[ 4046.297629][T12167]      netlink_unicast+0x449/0x710
[ 4046.297629][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4046.297629][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4046.297629][T12167]      ___sys_sendmsg+0xee/0x170
[ 4046.297629][T12167]      __sys_sendmsg+0xcd/0x170
[ 4046.297629][T12167]      do_syscall_64+0xc6/0x1e0
[ 4046.297629][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4046.297629][T12167] 
[ 4046.299387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4046.299387][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4046.299387][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4046.299387][T12167]      ipv6_find_idev+0x102/0x170
[ 4046.299387][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4046.299387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4046.299387][T12167]      netlink_rcv_skb+0x130/0x360
[ 4046.299387][T12167]      netlink_unicast+0x449/0x710
[ 4046.299387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4046.299387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4046.299387][T12167]      ___sys_sendmsg+0xee/0x170
[ 4046.299387][T12167]      __sys_sendmsg+0xcd/0x170
[ 4046.299387][T12167]      do_syscall_64+0xc6/0x1e0
[ 4046.299387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4046.299387][T12167] 
[ 4056.550761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4056.551292][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4056.551292][T12167]      netdev_get_by_index+0x5e/0x80
[ 4056.551292][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4056.551292][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4056.551292][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4056.551292][T12167]      ipv6_add_addr+0x411/0x2000
[ 4056.551292][T12167]      inet6_addr_add+0x30e/0xa40
[ 4056.551292][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4056.551292][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4056.551292][T12167]      netlink_rcv_skb+0x130/0x360
[ 4056.551292][T12167]      netlink_unicast+0x449/0x710
[ 4056.551292][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4056.551292][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4056.551292][T12167]      ___sys_sendmsg+0xee/0x170
[ 4056.551292][T12167]      __sys_sendmsg+0xcd/0x170
[ 4056.551292][T12167]      do_syscall_64+0xc6/0x1e0
[ 4056.551292][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4056.551292][T12167] 
[ 4056.553575][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4056.553575][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4056.553575][T12167]      ipv6_find_idev+0x102/0x170
[ 4056.553575][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4056.553575][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4056.553575][T12167]      netlink_rcv_skb+0x130/0x360
[ 4056.553575][T12167]      netlink_unicast+0x449/0x710
[ 4056.553575][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4056.553575][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4056.553575][T12167]      ___sys_sendmsg+0xee/0x170
[ 4056.553575][T12167]      __sys_sendmsg+0xcd/0x170
[ 4056.553575][T12167]      do_syscall_64+0xc6/0x1e0
[ 4056.553575][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4056.553575][T12167] 
[ 4056.555336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4056.555336][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4056.555336][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4056.555336][T12167]      ipv6_find_idev+0x102/0x170
[ 4056.555336][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4056.555336][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4056.555336][T12167]      netlink_rcv_skb+0x130/0x360
[ 4056.555336][T12167]      netlink_unicast+0x449/0x710
[ 4056.555336][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4056.555336][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4056.555336][T12167]      ___sys_sendmsg+0xee/0x170
[ 4056.555336][T12167]      __sys_sendmsg+0xcd/0x170
[ 4056.555336][T12167]      do_syscall_64+0xc6/0x1e0
[ 4056.555336][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4056.555336][T12167] 
[ 4066.718854][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4066.719399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4066.719399][T12167]      netdev_get_by_index+0x5e/0x80
[ 4066.719399][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4066.719399][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4066.719399][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4066.719399][T12167]      ipv6_add_addr+0x411/0x2000
[ 4066.719399][T12167]      inet6_addr_add+0x30e/0xa40
[ 4066.719399][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4066.719399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4066.719399][T12167]      netlink_rcv_skb+0x130/0x360
[ 4066.719399][T12167]      netlink_unicast+0x449/0x710
[ 4066.719399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4066.719399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4066.719399][T12167]      ___sys_sendmsg+0xee/0x170
[ 4066.719399][T12167]      __sys_sendmsg+0xcd/0x170
[ 4066.719399][T12167]      do_syscall_64+0xc6/0x1e0
[ 4066.719399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4066.719399][T12167] 
[ 4066.721736][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4066.721736][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4066.721736][T12167]      ipv6_find_idev+0x102/0x170
[ 4066.721736][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4066.721736][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4066.721736][T12167]      netlink_rcv_skb+0x130/0x360
[ 4066.721736][T12167]      netlink_unicast+0x449/0x710
[ 4066.721736][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4066.721736][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4066.721736][T12167]      ___sys_sendmsg+0xee/0x170
[ 4066.721736][T12167]      __sys_sendmsg+0xcd/0x170
[ 4066.721736][T12167]      do_syscall_64+0xc6/0x1e0
[ 4066.721736][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4066.721736][T12167] 
[ 4066.723517][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4066.723517][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4066.723517][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4066.723517][T12167]      ipv6_find_idev+0x102/0x170
[ 4066.723517][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4066.723517][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4066.723517][T12167]      netlink_rcv_skb+0x130/0x360
[ 4066.723517][T12167]      netlink_unicast+0x449/0x710
[ 4066.723517][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4066.723517][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4066.723517][T12167]      ___sys_sendmsg+0xee/0x170
[ 4066.723517][T12167]      __sys_sendmsg+0xcd/0x170
[ 4066.723517][T12167]      do_syscall_64+0xc6/0x1e0
[ 4066.723517][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4066.723517][T12167] 
[ 4076.966823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4076.967292][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4076.967292][T12167]      netdev_get_by_index+0x5e/0x80
[ 4076.967292][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4076.967292][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4076.967292][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4076.967292][T12167]      ipv6_add_addr+0x411/0x2000
[ 4076.967292][T12167]      inet6_addr_add+0x30e/0xa40
[ 4076.967292][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4076.967292][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4076.967292][T12167]      netlink_rcv_skb+0x130/0x360
[ 4076.967292][T12167]      netlink_unicast+0x449/0x710
[ 4076.967292][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4076.967292][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4076.967292][T12167]      ___sys_sendmsg+0xee/0x170
[ 4076.967292][T12167]      __sys_sendmsg+0xcd/0x170
[ 4076.967292][T12167]      do_syscall_64+0xc6/0x1e0
[ 4076.967292][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4076.967292][T12167] 
[ 4076.969585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4076.969585][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4076.969585][T12167]      ipv6_find_idev+0x102/0x170
[ 4076.969585][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4076.969585][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4076.969585][T12167]      netlink_rcv_skb+0x130/0x360
[ 4076.969585][T12167]      netlink_unicast+0x449/0x710
[ 4076.969585][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4076.969585][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4076.969585][T12167]      ___sys_sendmsg+0xee/0x170
[ 4076.969585][T12167]      __sys_sendmsg+0xcd/0x170
[ 4076.969585][T12167]      do_syscall_64+0xc6/0x1e0
[ 4076.969585][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4076.969585][T12167] 
[ 4076.971341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4076.971341][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4076.971341][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4076.971341][T12167]      ipv6_find_idev+0x102/0x170
[ 4076.971341][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4076.971341][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4076.971341][T12167]      netlink_rcv_skb+0x130/0x360
[ 4076.971341][T12167]      netlink_unicast+0x449/0x710
[ 4076.971341][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4076.971341][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4076.971341][T12167]      ___sys_sendmsg+0xee/0x170
[ 4076.971341][T12167]      __sys_sendmsg+0xcd/0x170
[ 4076.971341][T12167]      do_syscall_64+0xc6/0x1e0
[ 4076.971341][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4076.971341][T12167] 
[ 4087.214804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4087.215245][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4087.215245][T12167]      netdev_get_by_index+0x5e/0x80
[ 4087.215245][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4087.215245][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4087.215245][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4087.215245][T12167]      ipv6_add_addr+0x411/0x2000
[ 4087.215245][T12167]      inet6_addr_add+0x30e/0xa40
[ 4087.215245][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4087.215245][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4087.215245][T12167]      netlink_rcv_skb+0x130/0x360
[ 4087.215245][T12167]      netlink_unicast+0x449/0x710
[ 4087.215245][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4087.215245][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4087.215245][T12167]      ___sys_sendmsg+0xee/0x170
[ 4087.215245][T12167]      __sys_sendmsg+0xcd/0x170
[ 4087.215245][T12167]      do_syscall_64+0xc6/0x1e0
[ 4087.215245][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4087.215245][T12167] 
[ 4087.217581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4087.217581][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4087.217581][T12167]      ipv6_find_idev+0x102/0x170
[ 4087.217581][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4087.217581][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4087.217581][T12167]      netlink_rcv_skb+0x130/0x360
[ 4087.217581][T12167]      netlink_unicast+0x449/0x710
[ 4087.217581][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4087.217581][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4087.217581][T12167]      ___sys_sendmsg+0xee/0x170
[ 4087.217581][T12167]      __sys_sendmsg+0xcd/0x170
[ 4087.217581][T12167]      do_syscall_64+0xc6/0x1e0
[ 4087.217581][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4087.217581][T12167] 
[ 4087.219352][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4087.219352][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4087.219352][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4087.219352][T12167]      ipv6_find_idev+0x102/0x170
[ 4087.219352][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4087.219352][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4087.219352][T12167]      netlink_rcv_skb+0x130/0x360
[ 4087.219352][T12167]      netlink_unicast+0x449/0x710
[ 4087.219352][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4087.219352][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4087.219352][T12167]      ___sys_sendmsg+0xee/0x170
[ 4087.219352][T12167]      __sys_sendmsg+0xcd/0x170
[ 4087.219352][T12167]      do_syscall_64+0xc6/0x1e0
[ 4087.219352][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4087.219352][T12167] 
[ 4097.462747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4097.463256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4097.463256][T12167]      netdev_get_by_index+0x5e/0x80
[ 4097.463256][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4097.463256][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4097.463256][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4097.463256][T12167]      ipv6_add_addr+0x411/0x2000
[ 4097.463256][T12167]      inet6_addr_add+0x30e/0xa40
[ 4097.463256][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4097.463256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4097.463256][T12167]      netlink_rcv_skb+0x130/0x360
[ 4097.463256][T12167]      netlink_unicast+0x449/0x710
[ 4097.463256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4097.463256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4097.463256][T12167]      ___sys_sendmsg+0xee/0x170
[ 4097.463256][T12167]      __sys_sendmsg+0xcd/0x170
[ 4097.463256][T12167]      do_syscall_64+0xc6/0x1e0
[ 4097.463256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4097.463256][T12167] 
[ 4097.465583][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4097.465583][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4097.465583][T12167]      ipv6_find_idev+0x102/0x170
[ 4097.465583][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4097.465583][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4097.465583][T12167]      netlink_rcv_skb+0x130/0x360
[ 4097.465583][T12167]      netlink_unicast+0x449/0x710
[ 4097.465583][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4097.465583][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4097.465583][T12167]      ___sys_sendmsg+0xee/0x170
[ 4097.465583][T12167]      __sys_sendmsg+0xcd/0x170
[ 4097.465583][T12167]      do_syscall_64+0xc6/0x1e0
[ 4097.465583][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4097.465583][T12167] 
[ 4097.467364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4097.467364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4097.467364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4097.467364][T12167]      ipv6_find_idev+0x102/0x170
[ 4097.467364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4097.467364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4097.467364][T12167]      netlink_rcv_skb+0x130/0x360
[ 4097.467364][T12167]      netlink_unicast+0x449/0x710
[ 4097.467364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4097.467364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4097.467364][T12167]      ___sys_sendmsg+0xee/0x170
[ 4097.467364][T12167]      __sys_sendmsg+0xcd/0x170
[ 4097.467364][T12167]      do_syscall_64+0xc6/0x1e0
[ 4097.467364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4097.467364][T12167] 
[ 4107.710749][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4107.711246][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4107.711246][T12167]      netdev_get_by_index+0x5e/0x80
[ 4107.711246][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4107.711246][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4107.711246][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4107.711246][T12167]      ipv6_add_addr+0x411/0x2000
[ 4107.711246][T12167]      inet6_addr_add+0x30e/0xa40
[ 4107.711246][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4107.711246][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4107.711246][T12167]      netlink_rcv_skb+0x130/0x360
[ 4107.711246][T12167]      netlink_unicast+0x449/0x710
[ 4107.711246][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4107.711246][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4107.711246][T12167]      ___sys_sendmsg+0xee/0x170
[ 4107.711246][T12167]      __sys_sendmsg+0xcd/0x170
[ 4107.711246][T12167]      do_syscall_64+0xc6/0x1e0
[ 4107.711246][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4107.711246][T12167] 
[ 4107.713597][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4107.713597][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4107.713597][T12167]      ipv6_find_idev+0x102/0x170
[ 4107.713597][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4107.713597][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4107.713597][T12167]      netlink_rcv_skb+0x130/0x360
[ 4107.713597][T12167]      netlink_unicast+0x449/0x710
[ 4107.713597][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4107.713597][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4107.713597][T12167]      ___sys_sendmsg+0xee/0x170
[ 4107.713597][T12167]      __sys_sendmsg+0xcd/0x170
[ 4107.713597][T12167]      do_syscall_64+0xc6/0x1e0
[ 4107.713597][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4107.713597][T12167] 
[ 4107.715368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4107.715368][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4107.715368][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4107.715368][T12167]      ipv6_find_idev+0x102/0x170
[ 4107.715368][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4107.715368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4107.715368][T12167]      netlink_rcv_skb+0x130/0x360
[ 4107.715368][T12167]      netlink_unicast+0x449/0x710
[ 4107.715368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4107.715368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4107.715368][T12167]      ___sys_sendmsg+0xee/0x170
[ 4107.715368][T12167]      __sys_sendmsg+0xcd/0x170
[ 4107.715368][T12167]      do_syscall_64+0xc6/0x1e0
[ 4107.715368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4107.715368][T12167] 
[ 4117.958828][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4117.959358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4117.959358][T12167]      netdev_get_by_index+0x5e/0x80
[ 4117.959358][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4117.959358][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4117.959358][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4117.959358][T12167]      ipv6_add_addr+0x411/0x2000
[ 4117.959358][T12167]      inet6_addr_add+0x30e/0xa40
[ 4117.959358][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4117.959358][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4117.959358][T12167]      netlink_rcv_skb+0x130/0x360
[ 4117.959358][T12167]      netlink_unicast+0x449/0x710
[ 4117.959358][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4117.959358][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4117.959358][T12167]      ___sys_sendmsg+0xee/0x170
[ 4117.959358][T12167]      __sys_sendmsg+0xcd/0x170
[ 4117.959358][T12167]      do_syscall_64+0xc6/0x1e0
[ 4117.959358][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4117.959358][T12167] 
[ 4117.961646][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4117.961646][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4117.961646][T12167]      ipv6_find_idev+0x102/0x170
[ 4117.961646][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4117.961646][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4117.961646][T12167]      netlink_rcv_skb+0x130/0x360
[ 4117.961646][T12167]      netlink_unicast+0x449/0x710
[ 4117.961646][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4117.961646][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4117.961646][T12167]      ___sys_sendmsg+0xee/0x170
[ 4117.961646][T12167]      __sys_sendmsg+0xcd/0x170
[ 4117.961646][T12167]      do_syscall_64+0xc6/0x1e0
[ 4117.961646][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4117.961646][T12167] 
[ 4117.963399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4117.963399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4117.963399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4117.963399][T12167]      ipv6_find_idev+0x102/0x170
[ 4117.963399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4117.963399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4117.963399][T12167]      netlink_rcv_skb+0x130/0x360
[ 4117.963399][T12167]      netlink_unicast+0x449/0x710
[ 4117.963399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4117.963399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4117.963399][T12167]      ___sys_sendmsg+0xee/0x170
[ 4117.963399][T12167]      __sys_sendmsg+0xcd/0x170
[ 4117.963399][T12167]      do_syscall_64+0xc6/0x1e0
[ 4117.963399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4117.963399][T12167] 
[ 4128.286924][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4128.287450][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4128.287450][T12167]      netdev_get_by_index+0x5e/0x80
[ 4128.287450][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4128.287450][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4128.287450][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4128.287450][T12167]      ipv6_add_addr+0x411/0x2000
[ 4128.287450][T12167]      inet6_addr_add+0x30e/0xa40
[ 4128.287450][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4128.287450][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4128.287450][T12167]      netlink_rcv_skb+0x130/0x360
[ 4128.287450][T12167]      netlink_unicast+0x449/0x710
[ 4128.287450][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4128.287450][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4128.287450][T12167]      ___sys_sendmsg+0xee/0x170
[ 4128.287450][T12167]      __sys_sendmsg+0xcd/0x170
[ 4128.287450][T12167]      do_syscall_64+0xc6/0x1e0
[ 4128.287450][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4128.287450][T12167] 
[ 4128.289730][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4128.289730][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4128.289730][T12167]      ipv6_find_idev+0x102/0x170
[ 4128.289730][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4128.289730][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4128.289730][T12167]      netlink_rcv_skb+0x130/0x360
[ 4128.289730][T12167]      netlink_unicast+0x449/0x710
[ 4128.289730][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4128.289730][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4128.289730][T12167]      ___sys_sendmsg+0xee/0x170
[ 4128.289730][T12167]      __sys_sendmsg+0xcd/0x170
[ 4128.289730][T12167]      do_syscall_64+0xc6/0x1e0
[ 4128.289730][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4128.289730][T12167] 
[ 4128.291492][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4128.291492][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4128.291492][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4128.291492][T12167]      ipv6_find_idev+0x102/0x170
[ 4128.291492][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4128.291492][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4128.291492][T12167]      netlink_rcv_skb+0x130/0x360
[ 4128.291492][T12167]      netlink_unicast+0x449/0x710
[ 4128.291492][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4128.291492][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4128.291492][T12167]      ___sys_sendmsg+0xee/0x170
[ 4128.291492][T12167]      __sys_sendmsg+0xcd/0x170
[ 4128.291492][T12167]      do_syscall_64+0xc6/0x1e0
[ 4128.291492][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4128.291492][T12167] 
[ 4138.534795][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4138.535537][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4138.535537][T12167]      netdev_get_by_index+0x5e/0x80
[ 4138.535537][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4138.535537][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4138.535537][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4138.535537][T12167]      ipv6_add_addr+0x411/0x2000
[ 4138.535537][T12167]      inet6_addr_add+0x30e/0xa40
[ 4138.535537][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4138.535537][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4138.535537][T12167]      netlink_rcv_skb+0x130/0x360
[ 4138.535537][T12167]      netlink_unicast+0x449/0x710
[ 4138.535537][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4138.535537][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4138.535537][T12167]      ___sys_sendmsg+0xee/0x170
[ 4138.535537][T12167]      __sys_sendmsg+0xcd/0x170
[ 4138.535537][T12167]      do_syscall_64+0xc6/0x1e0
[ 4138.535537][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4138.535537][T12167] 
[ 4138.539136][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4138.539136][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4138.539136][T12167]      ipv6_find_idev+0x102/0x170
[ 4138.539136][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4138.539136][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4138.539136][T12167]      netlink_rcv_skb+0x130/0x360
[ 4138.539136][T12167]      netlink_unicast+0x449/0x710
[ 4138.539136][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4138.539136][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4138.539136][T12167]      ___sys_sendmsg+0xee/0x170
[ 4138.539136][T12167]      __sys_sendmsg+0xcd/0x170
[ 4138.539136][T12167]      do_syscall_64+0xc6/0x1e0
[ 4138.539136][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4138.539136][T12167] 
[ 4138.541928][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4138.541928][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4138.541928][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4138.541928][T12167]      ipv6_find_idev+0x102/0x170
[ 4138.541928][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4138.541928][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4138.541928][T12167]      netlink_rcv_skb+0x130/0x360
[ 4138.541928][T12167]      netlink_unicast+0x449/0x710
[ 4138.541928][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4138.541928][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4138.541928][T12167]      ___sys_sendmsg+0xee/0x170
[ 4138.541928][T12167]      __sys_sendmsg+0xcd/0x170
[ 4138.541928][T12167]      do_syscall_64+0xc6/0x1e0
[ 4138.541928][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4138.541928][T12167] 
[ 4148.782837][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4148.783279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4148.783279][T12167]      netdev_get_by_index+0x5e/0x80
[ 4148.783279][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4148.783279][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4148.783279][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4148.783279][T12167]      ipv6_add_addr+0x411/0x2000
[ 4148.783279][T12167]      inet6_addr_add+0x30e/0xa40
[ 4148.783279][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4148.783279][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4148.783279][T12167]      netlink_rcv_skb+0x130/0x360
[ 4148.783279][T12167]      netlink_unicast+0x449/0x710
[ 4148.783279][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4148.783279][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4148.783279][T12167]      ___sys_sendmsg+0xee/0x170
[ 4148.783279][T12167]      __sys_sendmsg+0xcd/0x170
[ 4148.783279][T12167]      do_syscall_64+0xc6/0x1e0
[ 4148.783279][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4148.783279][T12167] 
[ 4148.785592][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4148.785592][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4148.785592][T12167]      ipv6_find_idev+0x102/0x170
[ 4148.785592][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4148.785592][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4148.785592][T12167]      netlink_rcv_skb+0x130/0x360
[ 4148.785592][T12167]      netlink_unicast+0x449/0x710
[ 4148.785592][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4148.785592][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4148.785592][T12167]      ___sys_sendmsg+0xee/0x170
[ 4148.785592][T12167]      __sys_sendmsg+0xcd/0x170
[ 4148.785592][T12167]      do_syscall_64+0xc6/0x1e0
[ 4148.785592][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4148.785592][T12167] 
[ 4148.787353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4148.787353][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4148.787353][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4148.787353][T12167]      ipv6_find_idev+0x102/0x170
[ 4148.787353][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4148.787353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4148.787353][T12167]      netlink_rcv_skb+0x130/0x360
[ 4148.787353][T12167]      netlink_unicast+0x449/0x710
[ 4148.787353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4148.787353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4148.787353][T12167]      ___sys_sendmsg+0xee/0x170
[ 4148.787353][T12167]      __sys_sendmsg+0xcd/0x170
[ 4148.787353][T12167]      do_syscall_64+0xc6/0x1e0
[ 4148.787353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4148.787353][T12167] 
[ 4159.030960][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4159.031438][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4159.031438][T12167]      netdev_get_by_index+0x5e/0x80
[ 4159.031438][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4159.031438][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4159.031438][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4159.031438][T12167]      ipv6_add_addr+0x411/0x2000
[ 4159.031438][T12167]      inet6_addr_add+0x30e/0xa40
[ 4159.031438][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4159.031438][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4159.031438][T12167]      netlink_rcv_skb+0x130/0x360
[ 4159.031438][T12167]      netlink_unicast+0x449/0x710
[ 4159.031438][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4159.031438][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4159.031438][T12167]      ___sys_sendmsg+0xee/0x170
[ 4159.031438][T12167]      __sys_sendmsg+0xcd/0x170
[ 4159.031438][T12167]      do_syscall_64+0xc6/0x1e0
[ 4159.031438][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4159.031438][T12167] 
[ 4159.033739][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4159.033739][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4159.033739][T12167]      ipv6_find_idev+0x102/0x170
[ 4159.033739][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4159.033739][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4159.033739][T12167]      netlink_rcv_skb+0x130/0x360
[ 4159.033739][T12167]      netlink_unicast+0x449/0x710
[ 4159.033739][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4159.033739][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4159.033739][T12167]      ___sys_sendmsg+0xee/0x170
[ 4159.033739][T12167]      __sys_sendmsg+0xcd/0x170
[ 4159.033739][T12167]      do_syscall_64+0xc6/0x1e0
[ 4159.033739][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4159.033739][T12167] 
[ 4159.036431][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4159.036431][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4159.036431][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4159.036431][T12167]      ipv6_find_idev+0x102/0x170
[ 4159.036431][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4159.036431][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4159.036431][T12167]      netlink_rcv_skb+0x130/0x360
[ 4159.036431][T12167]      netlink_unicast+0x449/0x710
[ 4159.036431][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4159.036431][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4159.036431][T12167]      ___sys_sendmsg+0xee/0x170
[ 4159.036431][T12167]      __sys_sendmsg+0xcd/0x170
[ 4159.036431][T12167]      do_syscall_64+0xc6/0x1e0
[ 4159.036431][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4159.036431][T12167] 
[ 4169.166798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4169.167234][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4169.167234][T12167]      netdev_get_by_index+0x5e/0x80
[ 4169.167234][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4169.167234][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4169.167234][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4169.167234][T12167]      ipv6_add_addr+0x411/0x2000
[ 4169.167234][T12167]      inet6_addr_add+0x30e/0xa40
[ 4169.167234][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4169.167234][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4169.167234][T12167]      netlink_rcv_skb+0x130/0x360
[ 4169.167234][T12167]      netlink_unicast+0x449/0x710
[ 4169.167234][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4169.167234][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4169.167234][T12167]      ___sys_sendmsg+0xee/0x170
[ 4169.167234][T12167]      __sys_sendmsg+0xcd/0x170
[ 4169.167234][T12167]      do_syscall_64+0xc6/0x1e0
[ 4169.167234][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4169.167234][T12167] 
[ 4169.169514][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4169.169514][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4169.169514][T12167]      ipv6_find_idev+0x102/0x170
[ 4169.169514][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4169.169514][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4169.169514][T12167]      netlink_rcv_skb+0x130/0x360
[ 4169.169514][T12167]      netlink_unicast+0x449/0x710
[ 4169.169514][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4169.169514][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4169.169514][T12167]      ___sys_sendmsg+0xee/0x170
[ 4169.169514][T12167]      __sys_sendmsg+0xcd/0x170
[ 4169.169514][T12167]      do_syscall_64+0xc6/0x1e0
[ 4169.169514][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4169.169514][T12167] 
[ 4169.171251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4169.171251][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4169.171251][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4169.171251][T12167]      ipv6_find_idev+0x102/0x170
[ 4169.171251][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4169.171251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4169.171251][T12167]      netlink_rcv_skb+0x130/0x360
[ 4169.171251][T12167]      netlink_unicast+0x449/0x710
[ 4169.171251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4169.171251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4169.171251][T12167]      ___sys_sendmsg+0xee/0x170
[ 4169.171251][T12167]      __sys_sendmsg+0xcd/0x170
[ 4169.171251][T12167]      do_syscall_64+0xc6/0x1e0
[ 4169.171251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4169.171251][T12167] 
[ 4179.414862][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4179.415351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4179.415351][T12167]      netdev_get_by_index+0x5e/0x80
[ 4179.415351][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4179.415351][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4179.415351][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4179.415351][T12167]      ipv6_add_addr+0x411/0x2000
[ 4179.415351][T12167]      inet6_addr_add+0x30e/0xa40
[ 4179.415351][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4179.415351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4179.415351][T12167]      netlink_rcv_skb+0x130/0x360
[ 4179.415351][T12167]      netlink_unicast+0x449/0x710
[ 4179.415351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4179.415351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4179.415351][T12167]      ___sys_sendmsg+0xee/0x170
[ 4179.415351][T12167]      __sys_sendmsg+0xcd/0x170
[ 4179.415351][T12167]      do_syscall_64+0xc6/0x1e0
[ 4179.415351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4179.415351][T12167] 
[ 4179.417670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4179.417670][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4179.417670][T12167]      ipv6_find_idev+0x102/0x170
[ 4179.417670][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4179.417670][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4179.417670][T12167]      netlink_rcv_skb+0x130/0x360
[ 4179.417670][T12167]      netlink_unicast+0x449/0x710
[ 4179.417670][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4179.417670][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4179.417670][T12167]      ___sys_sendmsg+0xee/0x170
[ 4179.417670][T12167]      __sys_sendmsg+0xcd/0x170
[ 4179.417670][T12167]      do_syscall_64+0xc6/0x1e0
[ 4179.417670][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4179.417670][T12167] 
[ 4179.419429][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4179.419429][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4179.419429][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4179.419429][T12167]      ipv6_find_idev+0x102/0x170
[ 4179.419429][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4179.419429][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4179.419429][T12167]      netlink_rcv_skb+0x130/0x360
[ 4179.419429][T12167]      netlink_unicast+0x449/0x710
[ 4179.419429][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4179.419429][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4179.419429][T12167]      ___sys_sendmsg+0xee/0x170
[ 4179.419429][T12167]      __sys_sendmsg+0xcd/0x170
[ 4179.419429][T12167]      do_syscall_64+0xc6/0x1e0
[ 4179.419429][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4179.419429][T12167] 
[ 4189.654827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4189.655368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4189.655368][T12167]      netdev_get_by_index+0x5e/0x80
[ 4189.655368][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4189.655368][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4189.655368][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4189.655368][T12167]      ipv6_add_addr+0x411/0x2000
[ 4189.655368][T12167]      inet6_addr_add+0x30e/0xa40
[ 4189.655368][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4189.655368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4189.655368][T12167]      netlink_rcv_skb+0x130/0x360
[ 4189.655368][T12167]      netlink_unicast+0x449/0x710
[ 4189.655368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4189.655368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4189.655368][T12167]      ___sys_sendmsg+0xee/0x170
[ 4189.655368][T12167]      __sys_sendmsg+0xcd/0x170
[ 4189.655368][T12167]      do_syscall_64+0xc6/0x1e0
[ 4189.655368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4189.655368][T12167] 
[ 4189.657881][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4189.657881][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4189.657881][T12167]      ipv6_find_idev+0x102/0x170
[ 4189.657881][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4189.657881][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4189.657881][T12167]      netlink_rcv_skb+0x130/0x360
[ 4189.657881][T12167]      netlink_unicast+0x449/0x710
[ 4189.657881][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4189.657881][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4189.657881][T12167]      ___sys_sendmsg+0xee/0x170
[ 4189.657881][T12167]      __sys_sendmsg+0xcd/0x170
[ 4189.657881][T12167]      do_syscall_64+0xc6/0x1e0
[ 4189.657881][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4189.657881][T12167] 
[ 4189.659742][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4189.659742][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4189.659742][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4189.659742][T12167]      ipv6_find_idev+0x102/0x170
[ 4189.659742][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4189.659742][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4189.659742][T12167]      netlink_rcv_skb+0x130/0x360
[ 4189.659742][T12167]      netlink_unicast+0x449/0x710
[ 4189.659742][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4189.659742][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4189.659742][T12167]      ___sys_sendmsg+0xee/0x170
[ 4189.659742][T12167]      __sys_sendmsg+0xcd/0x170
[ 4189.659742][T12167]      do_syscall_64+0xc6/0x1e0
[ 4189.659742][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4189.659742][T12167] 
[ 4199.902827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4199.903264][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4199.903264][T12167]      netdev_get_by_index+0x5e/0x80
[ 4199.903264][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4199.903264][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4199.903264][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4199.903264][T12167]      ipv6_add_addr+0x411/0x2000
[ 4199.903264][T12167]      inet6_addr_add+0x30e/0xa40
[ 4199.903264][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4199.903264][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4199.903264][T12167]      netlink_rcv_skb+0x130/0x360
[ 4199.903264][T12167]      netlink_unicast+0x449/0x710
[ 4199.903264][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4199.903264][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4199.903264][T12167]      ___sys_sendmsg+0xee/0x170
[ 4199.903264][T12167]      __sys_sendmsg+0xcd/0x170
[ 4199.903264][T12167]      do_syscall_64+0xc6/0x1e0
[ 4199.903264][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4199.903264][T12167] 
[ 4199.905593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4199.905593][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4199.905593][T12167]      ipv6_find_idev+0x102/0x170
[ 4199.905593][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4199.905593][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4199.905593][T12167]      netlink_rcv_skb+0x130/0x360
[ 4199.905593][T12167]      netlink_unicast+0x449/0x710
[ 4199.905593][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4199.905593][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4199.905593][T12167]      ___sys_sendmsg+0xee/0x170
[ 4199.905593][T12167]      __sys_sendmsg+0xcd/0x170
[ 4199.905593][T12167]      do_syscall_64+0xc6/0x1e0
[ 4199.905593][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4199.905593][T12167] 
[ 4199.907341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4199.907341][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4199.907341][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4199.907341][T12167]      ipv6_find_idev+0x102/0x170
[ 4199.907341][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4199.907341][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4199.907341][T12167]      netlink_rcv_skb+0x130/0x360
[ 4199.907341][T12167]      netlink_unicast+0x449/0x710
[ 4199.907341][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4199.907341][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4199.907341][T12167]      ___sys_sendmsg+0xee/0x170
[ 4199.907341][T12167]      __sys_sendmsg+0xcd/0x170
[ 4199.907341][T12167]      do_syscall_64+0xc6/0x1e0
[ 4199.907341][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4199.907341][T12167] 
[ 4210.150835][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4210.151313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4210.151313][T12167]      netdev_get_by_index+0x5e/0x80
[ 4210.151313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4210.151313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4210.151313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4210.151313][T12167]      ipv6_add_addr+0x411/0x2000
[ 4210.151313][T12167]      inet6_addr_add+0x30e/0xa40
[ 4210.151313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4210.151313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4210.151313][T12167]      netlink_rcv_skb+0x130/0x360
[ 4210.151313][T12167]      netlink_unicast+0x449/0x710
[ 4210.151313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4210.151313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4210.151313][T12167]      ___sys_sendmsg+0xee/0x170
[ 4210.151313][T12167]      __sys_sendmsg+0xcd/0x170
[ 4210.151313][T12167]      do_syscall_64+0xc6/0x1e0
[ 4210.151313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4210.151313][T12167] 
[ 4210.153767][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4210.153767][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4210.153767][T12167]      ipv6_find_idev+0x102/0x170
[ 4210.153767][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4210.153767][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4210.153767][T12167]      netlink_rcv_skb+0x130/0x360
[ 4210.153767][T12167]      netlink_unicast+0x449/0x710
[ 4210.153767][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4210.153767][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4210.153767][T12167]      ___sys_sendmsg+0xee/0x170
[ 4210.153767][T12167]      __sys_sendmsg+0xcd/0x170
[ 4210.153767][T12167]      do_syscall_64+0xc6/0x1e0
[ 4210.153767][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4210.153767][T12167] 
[ 4210.155666][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4210.155666][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4210.155666][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4210.155666][T12167]      ipv6_find_idev+0x102/0x170
[ 4210.155666][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4210.155666][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4210.155666][T12167]      netlink_rcv_skb+0x130/0x360
[ 4210.155666][T12167]      netlink_unicast+0x449/0x710
[ 4210.155666][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4210.155666][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4210.155666][T12167]      ___sys_sendmsg+0xee/0x170
[ 4210.155666][T12167]      __sys_sendmsg+0xcd/0x170
[ 4210.155666][T12167]      do_syscall_64+0xc6/0x1e0
[ 4210.155666][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4210.155666][T12167] 
[ 4220.398814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4220.399381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4220.399381][T12167]      netdev_get_by_index+0x5e/0x80
[ 4220.399381][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4220.399381][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4220.399381][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4220.399381][T12167]      ipv6_add_addr+0x411/0x2000
[ 4220.399381][T12167]      inet6_addr_add+0x30e/0xa40
[ 4220.399381][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4220.399381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4220.399381][T12167]      netlink_rcv_skb+0x130/0x360
[ 4220.399381][T12167]      netlink_unicast+0x449/0x710
[ 4220.399381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4220.399381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4220.399381][T12167]      ___sys_sendmsg+0xee/0x170
[ 4220.399381][T12167]      __sys_sendmsg+0xcd/0x170
[ 4220.399381][T12167]      do_syscall_64+0xc6/0x1e0
[ 4220.399381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4220.399381][T12167] 
[ 4220.401636][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4220.401636][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4220.401636][T12167]      ipv6_find_idev+0x102/0x170
[ 4220.401636][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4220.401636][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4220.401636][T12167]      netlink_rcv_skb+0x130/0x360
[ 4220.401636][T12167]      netlink_unicast+0x449/0x710
[ 4220.401636][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4220.401636][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4220.401636][T12167]      ___sys_sendmsg+0xee/0x170
[ 4220.401636][T12167]      __sys_sendmsg+0xcd/0x170
[ 4220.401636][T12167]      do_syscall_64+0xc6/0x1e0
[ 4220.401636][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4220.401636][T12167] 
[ 4220.403366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4220.403366][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4220.403366][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4220.403366][T12167]      ipv6_find_idev+0x102/0x170
[ 4220.403366][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4220.403366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4220.403366][T12167]      netlink_rcv_skb+0x130/0x360
[ 4220.403366][T12167]      netlink_unicast+0x449/0x710
[ 4220.403366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4220.403366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4220.403366][T12167]      ___sys_sendmsg+0xee/0x170
[ 4220.403366][T12167]      __sys_sendmsg+0xcd/0x170
[ 4220.403366][T12167]      do_syscall_64+0xc6/0x1e0
[ 4220.403366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4220.403366][T12167] 
[ 4230.646785][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4230.647294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4230.647294][T12167]      netdev_get_by_index+0x5e/0x80
[ 4230.647294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4230.647294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4230.647294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4230.647294][T12167]      ipv6_add_addr+0x411/0x2000
[ 4230.647294][T12167]      inet6_addr_add+0x30e/0xa40
[ 4230.647294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4230.647294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4230.647294][T12167]      netlink_rcv_skb+0x130/0x360
[ 4230.647294][T12167]      netlink_unicast+0x449/0x710
[ 4230.647294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4230.647294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4230.647294][T12167]      ___sys_sendmsg+0xee/0x170
[ 4230.647294][T12167]      __sys_sendmsg+0xcd/0x170
[ 4230.647294][T12167]      do_syscall_64+0xc6/0x1e0
[ 4230.647294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4230.647294][T12167] 
[ 4230.649569][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4230.649569][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4230.649569][T12167]      ipv6_find_idev+0x102/0x170
[ 4230.649569][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4230.649569][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4230.649569][T12167]      netlink_rcv_skb+0x130/0x360
[ 4230.649569][T12167]      netlink_unicast+0x449/0x710
[ 4230.649569][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4230.649569][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4230.649569][T12167]      ___sys_sendmsg+0xee/0x170
[ 4230.649569][T12167]      __sys_sendmsg+0xcd/0x170
[ 4230.649569][T12167]      do_syscall_64+0xc6/0x1e0
[ 4230.649569][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4230.649569][T12167] 
[ 4230.651301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4230.651301][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4230.651301][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4230.651301][T12167]      ipv6_find_idev+0x102/0x170
[ 4230.651301][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4230.651301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4230.651301][T12167]      netlink_rcv_skb+0x130/0x360
[ 4230.651301][T12167]      netlink_unicast+0x449/0x710
[ 4230.651301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4230.651301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4230.651301][T12167]      ___sys_sendmsg+0xee/0x170
[ 4230.651301][T12167]      __sys_sendmsg+0xcd/0x170
[ 4230.651301][T12167]      do_syscall_64+0xc6/0x1e0
[ 4230.651301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4230.651301][T12167] 
[ 4240.758838][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4240.759334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4240.759334][T12167]      netdev_get_by_index+0x5e/0x80
[ 4240.759334][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4240.759334][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4240.759334][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4240.759334][T12167]      ipv6_add_addr+0x411/0x2000
[ 4240.759334][T12167]      inet6_addr_add+0x30e/0xa40
[ 4240.759334][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4240.759334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4240.759334][T12167]      netlink_rcv_skb+0x130/0x360
[ 4240.759334][T12167]      netlink_unicast+0x449/0x710
[ 4240.759334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4240.759334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4240.759334][T12167]      ___sys_sendmsg+0xee/0x170
[ 4240.759334][T12167]      __sys_sendmsg+0xcd/0x170
[ 4240.759334][T12167]      do_syscall_64+0xc6/0x1e0
[ 4240.759334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4240.759334][T12167] 
[ 4240.761605][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4240.761605][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4240.761605][T12167]      ipv6_find_idev+0x102/0x170
[ 4240.761605][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4240.761605][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4240.761605][T12167]      netlink_rcv_skb+0x130/0x360
[ 4240.761605][T12167]      netlink_unicast+0x449/0x710
[ 4240.761605][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4240.761605][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4240.761605][T12167]      ___sys_sendmsg+0xee/0x170
[ 4240.761605][T12167]      __sys_sendmsg+0xcd/0x170
[ 4240.761605][T12167]      do_syscall_64+0xc6/0x1e0
[ 4240.761605][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4240.761605][T12167] 
[ 4240.763342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4240.763342][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4240.763342][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4240.763342][T12167]      ipv6_find_idev+0x102/0x170
[ 4240.763342][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4240.763342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4240.763342][T12167]      netlink_rcv_skb+0x130/0x360
[ 4240.763342][T12167]      netlink_unicast+0x449/0x710
[ 4240.763342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4240.763342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4240.763342][T12167]      ___sys_sendmsg+0xee/0x170
[ 4240.763342][T12167]      __sys_sendmsg+0xcd/0x170
[ 4240.763342][T12167]      do_syscall_64+0xc6/0x1e0
[ 4240.763342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4240.763342][T12167] 
[ 4251.014806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4251.015237][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4251.015237][T12167]      netdev_get_by_index+0x5e/0x80
[ 4251.015237][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4251.015237][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4251.015237][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4251.015237][T12167]      ipv6_add_addr+0x411/0x2000
[ 4251.015237][T12167]      inet6_addr_add+0x30e/0xa40
[ 4251.015237][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4251.015237][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4251.015237][T12167]      netlink_rcv_skb+0x130/0x360
[ 4251.015237][T12167]      netlink_unicast+0x449/0x710
[ 4251.015237][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4251.015237][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4251.015237][T12167]      ___sys_sendmsg+0xee/0x170
[ 4251.015237][T12167]      __sys_sendmsg+0xcd/0x170
[ 4251.015237][T12167]      do_syscall_64+0xc6/0x1e0
[ 4251.015237][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4251.015237][T12167] 
[ 4251.017528][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4251.017528][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4251.017528][T12167]      ipv6_find_idev+0x102/0x170
[ 4251.017528][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4251.017528][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4251.017528][T12167]      netlink_rcv_skb+0x130/0x360
[ 4251.017528][T12167]      netlink_unicast+0x449/0x710
[ 4251.017528][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4251.017528][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4251.017528][T12167]      ___sys_sendmsg+0xee/0x170
[ 4251.017528][T12167]      __sys_sendmsg+0xcd/0x170
[ 4251.017528][T12167]      do_syscall_64+0xc6/0x1e0
[ 4251.017528][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4251.017528][T12167] 
[ 4251.019259][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4251.019259][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4251.019259][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4251.019259][T12167]      ipv6_find_idev+0x102/0x170
[ 4251.019259][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4251.019259][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4251.019259][T12167]      netlink_rcv_skb+0x130/0x360
[ 4251.019259][T12167]      netlink_unicast+0x449/0x710
[ 4251.019259][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4251.019259][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4251.019259][T12167]      ___sys_sendmsg+0xee/0x170
[ 4251.019259][T12167]      __sys_sendmsg+0xcd/0x170
[ 4251.019259][T12167]      do_syscall_64+0xc6/0x1e0
[ 4251.019259][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4251.019259][T12167] 
[ 4261.270747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4261.271234][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4261.271234][T12167]      netdev_get_by_index+0x5e/0x80
[ 4261.271234][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4261.271234][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4261.271234][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4261.271234][T12167]      ipv6_add_addr+0x411/0x2000
[ 4261.271234][T12167]      inet6_addr_add+0x30e/0xa40
[ 4261.271234][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4261.271234][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4261.271234][T12167]      netlink_rcv_skb+0x130/0x360
[ 4261.271234][T12167]      netlink_unicast+0x449/0x710
[ 4261.271234][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4261.271234][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4261.271234][T12167]      ___sys_sendmsg+0xee/0x170
[ 4261.271234][T12167]      __sys_sendmsg+0xcd/0x170
[ 4261.271234][T12167]      do_syscall_64+0xc6/0x1e0
[ 4261.271234][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4261.271234][T12167] 
[ 4261.273538][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4261.273538][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4261.273538][T12167]      ipv6_find_idev+0x102/0x170
[ 4261.273538][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4261.273538][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4261.273538][T12167]      netlink_rcv_skb+0x130/0x360
[ 4261.273538][T12167]      netlink_unicast+0x449/0x710
[ 4261.273538][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4261.273538][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4261.273538][T12167]      ___sys_sendmsg+0xee/0x170
[ 4261.273538][T12167]      __sys_sendmsg+0xcd/0x170
[ 4261.273538][T12167]      do_syscall_64+0xc6/0x1e0
[ 4261.273538][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4261.273538][T12167] 
[ 4261.275296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4261.275296][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4261.275296][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4261.275296][T12167]      ipv6_find_idev+0x102/0x170
[ 4261.275296][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4261.275296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4261.275296][T12167]      netlink_rcv_skb+0x130/0x360
[ 4261.275296][T12167]      netlink_unicast+0x449/0x710
[ 4261.275296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4261.275296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4261.275296][T12167]      ___sys_sendmsg+0xee/0x170
[ 4261.275296][T12167]      __sys_sendmsg+0xcd/0x170
[ 4261.275296][T12167]      do_syscall_64+0xc6/0x1e0
[ 4261.275296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4261.275296][T12167] 
[ 4271.518821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4271.519334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4271.519334][T12167]      netdev_get_by_index+0x5e/0x80
[ 4271.519334][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4271.519334][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4271.519334][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4271.519334][T12167]      ipv6_add_addr+0x411/0x2000
[ 4271.519334][T12167]      inet6_addr_add+0x30e/0xa40
[ 4271.519334][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4271.519334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4271.519334][T12167]      netlink_rcv_skb+0x130/0x360
[ 4271.519334][T12167]      netlink_unicast+0x449/0x710
[ 4271.519334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4271.519334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4271.519334][T12167]      ___sys_sendmsg+0xee/0x170
[ 4271.519334][T12167]      __sys_sendmsg+0xcd/0x170
[ 4271.519334][T12167]      do_syscall_64+0xc6/0x1e0
[ 4271.519334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4271.519334][T12167] 
[ 4271.521646][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4271.521646][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4271.521646][T12167]      ipv6_find_idev+0x102/0x170
[ 4271.521646][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4271.521646][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4271.521646][T12167]      netlink_rcv_skb+0x130/0x360
[ 4271.521646][T12167]      netlink_unicast+0x449/0x710
[ 4271.521646][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4271.521646][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4271.521646][T12167]      ___sys_sendmsg+0xee/0x170
[ 4271.521646][T12167]      __sys_sendmsg+0xcd/0x170
[ 4271.521646][T12167]      do_syscall_64+0xc6/0x1e0
[ 4271.521646][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4271.521646][T12167] 
[ 4271.523401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4271.523401][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4271.523401][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4271.523401][T12167]      ipv6_find_idev+0x102/0x170
[ 4271.523401][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4271.523401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4271.523401][T12167]      netlink_rcv_skb+0x130/0x360
[ 4271.523401][T12167]      netlink_unicast+0x449/0x710
[ 4271.523401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4271.523401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4271.523401][T12167]      ___sys_sendmsg+0xee/0x170
[ 4271.523401][T12167]      __sys_sendmsg+0xcd/0x170
[ 4271.523401][T12167]      do_syscall_64+0xc6/0x1e0
[ 4271.523401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4271.523401][T12167] 
[ 4281.766840][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4281.767389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4281.767389][T12167]      netdev_get_by_index+0x5e/0x80
[ 4281.767389][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4281.767389][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4281.767389][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4281.767389][T12167]      ipv6_add_addr+0x411/0x2000
[ 4281.767389][T12167]      inet6_addr_add+0x30e/0xa40
[ 4281.767389][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4281.767389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4281.767389][T12167]      netlink_rcv_skb+0x130/0x360
[ 4281.767389][T12167]      netlink_unicast+0x449/0x710
[ 4281.767389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4281.767389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4281.767389][T12167]      ___sys_sendmsg+0xee/0x170
[ 4281.767389][T12167]      __sys_sendmsg+0xcd/0x170
[ 4281.767389][T12167]      do_syscall_64+0xc6/0x1e0
[ 4281.767389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4281.767389][T12167] 
[ 4281.769678][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4281.769678][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4281.769678][T12167]      ipv6_find_idev+0x102/0x170
[ 4281.769678][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4281.769678][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4281.769678][T12167]      netlink_rcv_skb+0x130/0x360
[ 4281.769678][T12167]      netlink_unicast+0x449/0x710
[ 4281.769678][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4281.769678][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4281.769678][T12167]      ___sys_sendmsg+0xee/0x170
[ 4281.769678][T12167]      __sys_sendmsg+0xcd/0x170
[ 4281.769678][T12167]      do_syscall_64+0xc6/0x1e0
[ 4281.769678][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4281.769678][T12167] 
[ 4281.771431][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4281.771431][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4281.771431][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4281.771431][T12167]      ipv6_find_idev+0x102/0x170
[ 4281.771431][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4281.771431][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4281.771431][T12167]      netlink_rcv_skb+0x130/0x360
[ 4281.771431][T12167]      netlink_unicast+0x449/0x710
[ 4281.771431][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4281.771431][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4281.771431][T12167]      ___sys_sendmsg+0xee/0x170
[ 4281.771431][T12167]      __sys_sendmsg+0xcd/0x170
[ 4281.771431][T12167]      do_syscall_64+0xc6/0x1e0
[ 4281.771431][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4281.771431][T12167] 
[ 4292.014845][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4292.015287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4292.015287][T12167]      netdev_get_by_index+0x5e/0x80
[ 4292.015287][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4292.015287][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4292.015287][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4292.015287][T12167]      ipv6_add_addr+0x411/0x2000
[ 4292.015287][T12167]      inet6_addr_add+0x30e/0xa40
[ 4292.015287][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4292.015287][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4292.015287][T12167]      netlink_rcv_skb+0x130/0x360
[ 4292.015287][T12167]      netlink_unicast+0x449/0x710
[ 4292.015287][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4292.015287][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4292.015287][T12167]      ___sys_sendmsg+0xee/0x170
[ 4292.015287][T12167]      __sys_sendmsg+0xcd/0x170
[ 4292.015287][T12167]      do_syscall_64+0xc6/0x1e0
[ 4292.015287][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4292.015287][T12167] 
[ 4292.017549][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4292.017549][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4292.017549][T12167]      ipv6_find_idev+0x102/0x170
[ 4292.017549][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4292.017549][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4292.017549][T12167]      netlink_rcv_skb+0x130/0x360
[ 4292.017549][T12167]      netlink_unicast+0x449/0x710
[ 4292.017549][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4292.017549][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4292.017549][T12167]      ___sys_sendmsg+0xee/0x170
[ 4292.017549][T12167]      __sys_sendmsg+0xcd/0x170
[ 4292.017549][T12167]      do_syscall_64+0xc6/0x1e0
[ 4292.017549][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4292.017549][T12167] 
[ 4292.019291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4292.019291][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4292.019291][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4292.019291][T12167]      ipv6_find_idev+0x102/0x170
[ 4292.019291][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4292.019291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4292.019291][T12167]      netlink_rcv_skb+0x130/0x360
[ 4292.019291][T12167]      netlink_unicast+0x449/0x710
[ 4292.019291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4292.019291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4292.019291][T12167]      ___sys_sendmsg+0xee/0x170
[ 4292.019291][T12167]      __sys_sendmsg+0xcd/0x170
[ 4292.019291][T12167]      do_syscall_64+0xc6/0x1e0
[ 4292.019291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4292.019291][T12167] 
[ 4302.270769][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4302.271266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4302.271266][T12167]      netdev_get_by_index+0x5e/0x80
[ 4302.271266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4302.271266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4302.271266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4302.271266][T12167]      ipv6_add_addr+0x411/0x2000
[ 4302.271266][T12167]      inet6_addr_add+0x30e/0xa40
[ 4302.271266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4302.271266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4302.271266][T12167]      netlink_rcv_skb+0x130/0x360
[ 4302.271266][T12167]      netlink_unicast+0x449/0x710
[ 4302.271266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4302.271266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4302.271266][T12167]      ___sys_sendmsg+0xee/0x170
[ 4302.271266][T12167]      __sys_sendmsg+0xcd/0x170
[ 4302.271266][T12167]      do_syscall_64+0xc6/0x1e0
[ 4302.271266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4302.271266][T12167] 
[ 4302.273523][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4302.273523][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4302.273523][T12167]      ipv6_find_idev+0x102/0x170
[ 4302.273523][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4302.273523][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4302.273523][T12167]      netlink_rcv_skb+0x130/0x360
[ 4302.273523][T12167]      netlink_unicast+0x449/0x710
[ 4302.273523][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4302.273523][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4302.273523][T12167]      ___sys_sendmsg+0xee/0x170
[ 4302.273523][T12167]      __sys_sendmsg+0xcd/0x170
[ 4302.273523][T12167]      do_syscall_64+0xc6/0x1e0
[ 4302.273523][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4302.273523][T12167] 
[ 4302.275260][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4302.275260][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4302.275260][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4302.275260][T12167]      ipv6_find_idev+0x102/0x170
[ 4302.275260][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4302.275260][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4302.275260][T12167]      netlink_rcv_skb+0x130/0x360
[ 4302.275260][T12167]      netlink_unicast+0x449/0x710
[ 4302.275260][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4302.275260][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4302.275260][T12167]      ___sys_sendmsg+0xee/0x170
[ 4302.275260][T12167]      __sys_sendmsg+0xcd/0x170
[ 4302.275260][T12167]      do_syscall_64+0xc6/0x1e0
[ 4302.275260][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4302.275260][T12167] 
[ 4312.526831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4312.527333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4312.527333][T12167]      netdev_get_by_index+0x5e/0x80
[ 4312.527333][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4312.527333][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4312.527333][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4312.527333][T12167]      ipv6_add_addr+0x411/0x2000
[ 4312.527333][T12167]      inet6_addr_add+0x30e/0xa40
[ 4312.527333][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4312.527333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4312.527333][T12167]      netlink_rcv_skb+0x130/0x360
[ 4312.527333][T12167]      netlink_unicast+0x449/0x710
[ 4312.527333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4312.527333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4312.527333][T12167]      ___sys_sendmsg+0xee/0x170
[ 4312.527333][T12167]      __sys_sendmsg+0xcd/0x170
[ 4312.527333][T12167]      do_syscall_64+0xc6/0x1e0
[ 4312.527333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4312.527333][T12167] 
[ 4312.529598][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4312.529598][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4312.529598][T12167]      ipv6_find_idev+0x102/0x170
[ 4312.529598][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4312.529598][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4312.529598][T12167]      netlink_rcv_skb+0x130/0x360
[ 4312.529598][T12167]      netlink_unicast+0x449/0x710
[ 4312.529598][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4312.529598][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4312.529598][T12167]      ___sys_sendmsg+0xee/0x170
[ 4312.529598][T12167]      __sys_sendmsg+0xcd/0x170
[ 4312.529598][T12167]      do_syscall_64+0xc6/0x1e0
[ 4312.529598][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4312.529598][T12167] 
[ 4312.531331][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4312.531331][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4312.531331][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4312.531331][T12167]      ipv6_find_idev+0x102/0x170
[ 4312.531331][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4312.531331][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4312.531331][T12167]      netlink_rcv_skb+0x130/0x360
[ 4312.531331][T12167]      netlink_unicast+0x449/0x710
[ 4312.531331][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4312.531331][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4312.531331][T12167]      ___sys_sendmsg+0xee/0x170
[ 4312.531331][T12167]      __sys_sendmsg+0xcd/0x170
[ 4312.531331][T12167]      do_syscall_64+0xc6/0x1e0
[ 4312.531331][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4312.531331][T12167] 
[ 4322.782825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4322.783258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4322.783258][T12167]      netdev_get_by_index+0x5e/0x80
[ 4322.783258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4322.783258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4322.783258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4322.783258][T12167]      ipv6_add_addr+0x411/0x2000
[ 4322.783258][T12167]      inet6_addr_add+0x30e/0xa40
[ 4322.783258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4322.783258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4322.783258][T12167]      netlink_rcv_skb+0x130/0x360
[ 4322.783258][T12167]      netlink_unicast+0x449/0x710
[ 4322.783258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4322.783258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4322.783258][T12167]      ___sys_sendmsg+0xee/0x170
[ 4322.783258][T12167]      __sys_sendmsg+0xcd/0x170
[ 4322.783258][T12167]      do_syscall_64+0xc6/0x1e0
[ 4322.783258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4322.783258][T12167] 
[ 4322.785533][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4322.785533][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4322.785533][T12167]      ipv6_find_idev+0x102/0x170
[ 4322.785533][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4322.785533][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4322.785533][T12167]      netlink_rcv_skb+0x130/0x360
[ 4322.785533][T12167]      netlink_unicast+0x449/0x710
[ 4322.785533][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4322.785533][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4322.785533][T12167]      ___sys_sendmsg+0xee/0x170
[ 4322.785533][T12167]      __sys_sendmsg+0xcd/0x170
[ 4322.785533][T12167]      do_syscall_64+0xc6/0x1e0
[ 4322.785533][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4322.785533][T12167] 
[ 4322.787262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4322.787262][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4322.787262][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4322.787262][T12167]      ipv6_find_idev+0x102/0x170
[ 4322.787262][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4322.787262][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4322.787262][T12167]      netlink_rcv_skb+0x130/0x360
[ 4322.787262][T12167]      netlink_unicast+0x449/0x710
[ 4322.787262][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4322.787262][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4322.787262][T12167]      ___sys_sendmsg+0xee/0x170
[ 4322.787262][T12167]      __sys_sendmsg+0xcd/0x170
[ 4322.787262][T12167]      do_syscall_64+0xc6/0x1e0
[ 4322.787262][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4322.787262][T12167] 
[ 4333.038822][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4333.039249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4333.039249][T12167]      netdev_get_by_index+0x5e/0x80
[ 4333.039249][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4333.039249][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4333.039249][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4333.039249][T12167]      ipv6_add_addr+0x411/0x2000
[ 4333.039249][T12167]      inet6_addr_add+0x30e/0xa40
[ 4333.039249][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4333.039249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4333.039249][T12167]      netlink_rcv_skb+0x130/0x360
[ 4333.039249][T12167]      netlink_unicast+0x449/0x710
[ 4333.039249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4333.039249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4333.039249][T12167]      ___sys_sendmsg+0xee/0x170
[ 4333.039249][T12167]      __sys_sendmsg+0xcd/0x170
[ 4333.039249][T12167]      do_syscall_64+0xc6/0x1e0
[ 4333.039249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4333.039249][T12167] 
[ 4333.041611][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4333.041611][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4333.041611][T12167]      ipv6_find_idev+0x102/0x170
[ 4333.041611][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4333.041611][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4333.041611][T12167]      netlink_rcv_skb+0x130/0x360
[ 4333.041611][T12167]      netlink_unicast+0x449/0x710
[ 4333.041611][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4333.041611][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4333.041611][T12167]      ___sys_sendmsg+0xee/0x170
[ 4333.041611][T12167]      __sys_sendmsg+0xcd/0x170
[ 4333.041611][T12167]      do_syscall_64+0xc6/0x1e0
[ 4333.041611][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4333.041611][T12167] 
[ 4333.043364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4333.043364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4333.043364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4333.043364][T12167]      ipv6_find_idev+0x102/0x170
[ 4333.043364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4333.043364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4333.043364][T12167]      netlink_rcv_skb+0x130/0x360
[ 4333.043364][T12167]      netlink_unicast+0x449/0x710
[ 4333.043364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4333.043364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4333.043364][T12167]      ___sys_sendmsg+0xee/0x170
[ 4333.043364][T12167]      __sys_sendmsg+0xcd/0x170
[ 4333.043364][T12167]      do_syscall_64+0xc6/0x1e0
[ 4333.043364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4333.043364][T12167] 
[ 4343.294812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4343.295313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4343.295313][T12167]      netdev_get_by_index+0x5e/0x80
[ 4343.295313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4343.295313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4343.295313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4343.295313][T12167]      ipv6_add_addr+0x411/0x2000
[ 4343.295313][T12167]      inet6_addr_add+0x30e/0xa40
[ 4343.295313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4343.295313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4343.295313][T12167]      netlink_rcv_skb+0x130/0x360
[ 4343.295313][T12167]      netlink_unicast+0x449/0x710
[ 4343.295313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4343.295313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4343.295313][T12167]      ___sys_sendmsg+0xee/0x170
[ 4343.295313][T12167]      __sys_sendmsg+0xcd/0x170
[ 4343.295313][T12167]      do_syscall_64+0xc6/0x1e0
[ 4343.295313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4343.295313][T12167] 
[ 4343.297583][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4343.297583][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4343.297583][T12167]      ipv6_find_idev+0x102/0x170
[ 4343.297583][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4343.297583][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4343.297583][T12167]      netlink_rcv_skb+0x130/0x360
[ 4343.297583][T12167]      netlink_unicast+0x449/0x710
[ 4343.297583][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4343.297583][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4343.297583][T12167]      ___sys_sendmsg+0xee/0x170
[ 4343.297583][T12167]      __sys_sendmsg+0xcd/0x170
[ 4343.297583][T12167]      do_syscall_64+0xc6/0x1e0
[ 4343.297583][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4343.297583][T12167] 
[ 4343.299324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4343.299324][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4343.299324][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4343.299324][T12167]      ipv6_find_idev+0x102/0x170
[ 4343.299324][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4343.299324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4343.299324][T12167]      netlink_rcv_skb+0x130/0x360
[ 4343.299324][T12167]      netlink_unicast+0x449/0x710
[ 4343.299324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4343.299324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4343.299324][T12167]      ___sys_sendmsg+0xee/0x170
[ 4343.299324][T12167]      __sys_sendmsg+0xcd/0x170
[ 4343.299324][T12167]      do_syscall_64+0xc6/0x1e0
[ 4343.299324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4343.299324][T12167] 
[ 4353.550836][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4353.551324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4353.551324][T12167]      netdev_get_by_index+0x5e/0x80
[ 4353.551324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4353.551324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4353.551324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4353.551324][T12167]      ipv6_add_addr+0x411/0x2000
[ 4353.551324][T12167]      inet6_addr_add+0x30e/0xa40
[ 4353.551324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4353.551324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4353.551324][T12167]      netlink_rcv_skb+0x130/0x360
[ 4353.551324][T12167]      netlink_unicast+0x449/0x710
[ 4353.551324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4353.551324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4353.551324][T12167]      ___sys_sendmsg+0xee/0x170
[ 4353.551324][T12167]      __sys_sendmsg+0xcd/0x170
[ 4353.551324][T12167]      do_syscall_64+0xc6/0x1e0
[ 4353.551324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4353.551324][T12167] 
[ 4353.554291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4353.554291][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4353.554291][T12167]      ipv6_find_idev+0x102/0x170
[ 4353.554291][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4353.554291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4353.554291][T12167]      netlink_rcv_skb+0x130/0x360
[ 4353.554291][T12167]      netlink_unicast+0x449/0x710
[ 4353.554291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4353.554291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4353.554291][T12167]      ___sys_sendmsg+0xee/0x170
[ 4353.554291][T12167]      __sys_sendmsg+0xcd/0x170
[ 4353.554291][T12167]      do_syscall_64+0xc6/0x1e0
[ 4353.554291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4353.554291][T12167] 
[ 4353.556060][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4353.556060][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4353.556060][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4353.556060][T12167]      ipv6_find_idev+0x102/0x170
[ 4353.556060][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4353.556060][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4353.556060][T12167]      netlink_rcv_skb+0x130/0x360
[ 4353.556060][T12167]      netlink_unicast+0x449/0x710
[ 4353.556060][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4353.556060][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4353.556060][T12167]      ___sys_sendmsg+0xee/0x170
[ 4353.556060][T12167]      __sys_sendmsg+0xcd/0x170
[ 4353.556060][T12167]      do_syscall_64+0xc6/0x1e0
[ 4353.556060][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4353.556060][T12167] 
[ 4363.798775][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4363.799276][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4363.799276][T12167]      netdev_get_by_index+0x5e/0x80
[ 4363.799276][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4363.799276][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4363.799276][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4363.799276][T12167]      ipv6_add_addr+0x411/0x2000
[ 4363.799276][T12167]      inet6_addr_add+0x30e/0xa40
[ 4363.799276][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4363.799276][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4363.799276][T12167]      netlink_rcv_skb+0x130/0x360
[ 4363.799276][T12167]      netlink_unicast+0x449/0x710
[ 4363.799276][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4363.799276][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4363.799276][T12167]      ___sys_sendmsg+0xee/0x170
[ 4363.799276][T12167]      __sys_sendmsg+0xcd/0x170
[ 4363.799276][T12167]      do_syscall_64+0xc6/0x1e0
[ 4363.799276][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4363.799276][T12167] 
[ 4363.803970][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4363.803970][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4363.803970][T12167]      ipv6_find_idev+0x102/0x170
[ 4363.803970][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4363.803970][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4363.803970][T12167]      netlink_rcv_skb+0x130/0x360
[ 4363.803970][T12167]      netlink_unicast+0x449/0x710
[ 4363.803970][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4363.803970][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4363.803970][T12167]      ___sys_sendmsg+0xee/0x170
[ 4363.803970][T12167]      __sys_sendmsg+0xcd/0x170
[ 4363.803970][T12167]      do_syscall_64+0xc6/0x1e0
[ 4363.803970][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4363.803970][T12167] 
[ 4363.805714][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4363.805714][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4363.805714][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4363.805714][T12167]      ipv6_find_idev+0x102/0x170
[ 4363.805714][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4363.805714][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4363.805714][T12167]      netlink_rcv_skb+0x130/0x360
[ 4363.805714][T12167]      netlink_unicast+0x449/0x710
[ 4363.805714][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4363.805714][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4363.805714][T12167]      ___sys_sendmsg+0xee/0x170
[ 4363.805714][T12167]      __sys_sendmsg+0xcd/0x170
[ 4363.805714][T12167]      do_syscall_64+0xc6/0x1e0
[ 4363.805714][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4363.805714][T12167] 
[ 4374.054765][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4374.055302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4374.055302][T12167]      netdev_get_by_index+0x5e/0x80
[ 4374.055302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4374.055302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4374.055302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4374.055302][T12167]      ipv6_add_addr+0x411/0x2000
[ 4374.055302][T12167]      inet6_addr_add+0x30e/0xa40
[ 4374.055302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4374.055302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4374.055302][T12167]      netlink_rcv_skb+0x130/0x360
[ 4374.055302][T12167]      netlink_unicast+0x449/0x710
[ 4374.055302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4374.055302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4374.055302][T12167]      ___sys_sendmsg+0xee/0x170
[ 4374.055302][T12167]      __sys_sendmsg+0xcd/0x170
[ 4374.055302][T12167]      do_syscall_64+0xc6/0x1e0
[ 4374.055302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4374.055302][T12167] 
[ 4374.057558][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4374.057558][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4374.057558][T12167]      ipv6_find_idev+0x102/0x170
[ 4374.057558][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4374.057558][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4374.057558][T12167]      netlink_rcv_skb+0x130/0x360
[ 4374.057558][T12167]      netlink_unicast+0x449/0x710
[ 4374.057558][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4374.057558][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4374.057558][T12167]      ___sys_sendmsg+0xee/0x170
[ 4374.057558][T12167]      __sys_sendmsg+0xcd/0x170
[ 4374.057558][T12167]      do_syscall_64+0xc6/0x1e0
[ 4374.057558][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4374.057558][T12167] 
[ 4374.059292][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4374.059292][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4374.059292][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4374.059292][T12167]      ipv6_find_idev+0x102/0x170
[ 4374.059292][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4374.059292][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4374.059292][T12167]      netlink_rcv_skb+0x130/0x360
[ 4374.059292][T12167]      netlink_unicast+0x449/0x710
[ 4374.059292][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4374.059292][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4374.059292][T12167]      ___sys_sendmsg+0xee/0x170
[ 4374.059292][T12167]      __sys_sendmsg+0xcd/0x170
[ 4374.059292][T12167]      do_syscall_64+0xc6/0x1e0
[ 4374.059292][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4374.059292][T12167] 
[ 4384.310812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4384.311305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4384.311305][T12167]      netdev_get_by_index+0x5e/0x80
[ 4384.311305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4384.311305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4384.311305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4384.311305][T12167]      ipv6_add_addr+0x411/0x2000
[ 4384.311305][T12167]      inet6_addr_add+0x30e/0xa40
[ 4384.311305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4384.311305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4384.311305][T12167]      netlink_rcv_skb+0x130/0x360
[ 4384.311305][T12167]      netlink_unicast+0x449/0x710
[ 4384.311305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4384.311305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4384.311305][T12167]      ___sys_sendmsg+0xee/0x170
[ 4384.311305][T12167]      __sys_sendmsg+0xcd/0x170
[ 4384.311305][T12167]      do_syscall_64+0xc6/0x1e0
[ 4384.311305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4384.311305][T12167] 
[ 4384.313563][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4384.313563][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4384.313563][T12167]      ipv6_find_idev+0x102/0x170
[ 4384.313563][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4384.313563][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4384.313563][T12167]      netlink_rcv_skb+0x130/0x360
[ 4384.313563][T12167]      netlink_unicast+0x449/0x710
[ 4384.313563][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4384.313563][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4384.313563][T12167]      ___sys_sendmsg+0xee/0x170
[ 4384.313563][T12167]      __sys_sendmsg+0xcd/0x170
[ 4384.313563][T12167]      do_syscall_64+0xc6/0x1e0
[ 4384.313563][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4384.313563][T12167] 
[ 4384.315305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4384.315305][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4384.315305][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4384.315305][T12167]      ipv6_find_idev+0x102/0x170
[ 4384.315305][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4384.315305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4384.315305][T12167]      netlink_rcv_skb+0x130/0x360
[ 4384.315305][T12167]      netlink_unicast+0x449/0x710
[ 4384.315305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4384.315305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4384.315305][T12167]      ___sys_sendmsg+0xee/0x170
[ 4384.315305][T12167]      __sys_sendmsg+0xcd/0x170
[ 4384.315305][T12167]      do_syscall_64+0xc6/0x1e0
[ 4384.315305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4384.315305][T12167] 
[ 4394.566806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4394.567297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4394.567297][T12167]      netdev_get_by_index+0x5e/0x80
[ 4394.567297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4394.567297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4394.567297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4394.567297][T12167]      ipv6_add_addr+0x411/0x2000
[ 4394.567297][T12167]      inet6_addr_add+0x30e/0xa40
[ 4394.567297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4394.567297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4394.567297][T12167]      netlink_rcv_skb+0x130/0x360
[ 4394.567297][T12167]      netlink_unicast+0x449/0x710
[ 4394.567297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4394.567297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4394.567297][T12167]      ___sys_sendmsg+0xee/0x170
[ 4394.567297][T12167]      __sys_sendmsg+0xcd/0x170
[ 4394.567297][T12167]      do_syscall_64+0xc6/0x1e0
[ 4394.567297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4394.567297][T12167] 
[ 4394.569557][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4394.569557][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4394.569557][T12167]      ipv6_find_idev+0x102/0x170
[ 4394.569557][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4394.569557][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4394.569557][T12167]      netlink_rcv_skb+0x130/0x360
[ 4394.569557][T12167]      netlink_unicast+0x449/0x710
[ 4394.569557][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4394.569557][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4394.569557][T12167]      ___sys_sendmsg+0xee/0x170
[ 4394.569557][T12167]      __sys_sendmsg+0xcd/0x170
[ 4394.569557][T12167]      do_syscall_64+0xc6/0x1e0
[ 4394.569557][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4394.569557][T12167] 
[ 4394.571285][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4394.571285][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4394.571285][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4394.571285][T12167]      ipv6_find_idev+0x102/0x170
[ 4394.571285][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4394.571285][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4394.571285][T12167]      netlink_rcv_skb+0x130/0x360
[ 4394.571285][T12167]      netlink_unicast+0x449/0x710
[ 4394.571285][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4394.571285][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4394.571285][T12167]      ___sys_sendmsg+0xee/0x170
[ 4394.571285][T12167]      __sys_sendmsg+0xcd/0x170
[ 4394.571285][T12167]      do_syscall_64+0xc6/0x1e0
[ 4394.571285][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4394.571285][T12167] 
[ 4404.822817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4404.823317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4404.823317][T12167]      netdev_get_by_index+0x5e/0x80
[ 4404.823317][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4404.823317][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4404.823317][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4404.823317][T12167]      ipv6_add_addr+0x411/0x2000
[ 4404.823317][T12167]      inet6_addr_add+0x30e/0xa40
[ 4404.823317][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4404.823317][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4404.823317][T12167]      netlink_rcv_skb+0x130/0x360
[ 4404.823317][T12167]      netlink_unicast+0x449/0x710
[ 4404.823317][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4404.823317][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4404.823317][T12167]      ___sys_sendmsg+0xee/0x170
[ 4404.823317][T12167]      __sys_sendmsg+0xcd/0x170
[ 4404.823317][T12167]      do_syscall_64+0xc6/0x1e0
[ 4404.823317][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4404.823317][T12167] 
[ 4404.825581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4404.825581][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4404.825581][T12167]      ipv6_find_idev+0x102/0x170
[ 4404.825581][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4404.825581][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4404.825581][T12167]      netlink_rcv_skb+0x130/0x360
[ 4404.825581][T12167]      netlink_unicast+0x449/0x710
[ 4404.825581][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4404.825581][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4404.825581][T12167]      ___sys_sendmsg+0xee/0x170
[ 4404.825581][T12167]      __sys_sendmsg+0xcd/0x170
[ 4404.825581][T12167]      do_syscall_64+0xc6/0x1e0
[ 4404.825581][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4404.825581][T12167] 
[ 4404.827309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4404.827309][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4404.827309][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4404.827309][T12167]      ipv6_find_idev+0x102/0x170
[ 4404.827309][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4404.827309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4404.827309][T12167]      netlink_rcv_skb+0x130/0x360
[ 4404.827309][T12167]      netlink_unicast+0x449/0x710
[ 4404.827309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4404.827309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4404.827309][T12167]      ___sys_sendmsg+0xee/0x170
[ 4404.827309][T12167]      __sys_sendmsg+0xcd/0x170
[ 4404.827309][T12167]      do_syscall_64+0xc6/0x1e0
[ 4404.827309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4404.827309][T12167] 
[ 4415.078854][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4415.079347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4415.079347][T12167]      netdev_get_by_index+0x5e/0x80
[ 4415.079347][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4415.079347][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4415.079347][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4415.079347][T12167]      ipv6_add_addr+0x411/0x2000
[ 4415.079347][T12167]      inet6_addr_add+0x30e/0xa40
[ 4415.079347][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.079347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.079347][T12167]      netlink_rcv_skb+0x130/0x360
[ 4415.079347][T12167]      netlink_unicast+0x449/0x710
[ 4415.079347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4415.079347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.079347][T12167]      ___sys_sendmsg+0xee/0x170
[ 4415.079347][T12167]      __sys_sendmsg+0xcd/0x170
[ 4415.079347][T12167]      do_syscall_64+0xc6/0x1e0
[ 4415.079347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.079347][T12167] 
[ 4415.081613][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4415.081613][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4415.081613][T12167]      ipv6_find_idev+0x102/0x170
[ 4415.081613][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4415.081613][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.081613][T12167]      netlink_rcv_skb+0x130/0x360
[ 4415.081613][T12167]      netlink_unicast+0x449/0x710
[ 4415.081613][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4415.081613][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.081613][T12167]      ___sys_sendmsg+0xee/0x170
[ 4415.081613][T12167]      __sys_sendmsg+0xcd/0x170
[ 4415.081613][T12167]      do_syscall_64+0xc6/0x1e0
[ 4415.081613][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.081613][T12167] 
[ 4415.083343][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4415.083343][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4415.083343][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4415.083343][T12167]      ipv6_find_idev+0x102/0x170
[ 4415.083343][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4415.083343][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.083343][T12167]      netlink_rcv_skb+0x130/0x360
[ 4415.083343][T12167]      netlink_unicast+0x449/0x710
[ 4415.083343][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4415.083343][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.083343][T12167]      ___sys_sendmsg+0xee/0x170
[ 4415.083343][T12167]      __sys_sendmsg+0xcd/0x170
[ 4415.083343][T12167]      do_syscall_64+0xc6/0x1e0
[ 4415.083343][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.083343][T12167] 
[ 4425.334770][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4425.335260][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4425.335260][T12167]      netdev_get_by_index+0x5e/0x80
[ 4425.335260][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4425.335260][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4425.335260][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4425.335260][T12167]      ipv6_add_addr+0x411/0x2000
[ 4425.335260][T12167]      inet6_addr_add+0x30e/0xa40
[ 4425.335260][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4425.335260][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4425.335260][T12167]      netlink_rcv_skb+0x130/0x360
[ 4425.335260][T12167]      netlink_unicast+0x449/0x710
[ 4425.335260][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4425.335260][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4425.335260][T12167]      ___sys_sendmsg+0xee/0x170
[ 4425.335260][T12167]      __sys_sendmsg+0xcd/0x170
[ 4425.335260][T12167]      do_syscall_64+0xc6/0x1e0
[ 4425.335260][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4425.335260][T12167] 
[ 4425.337530][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4425.337530][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4425.337530][T12167]      ipv6_find_idev+0x102/0x170
[ 4425.337530][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4425.337530][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4425.337530][T12167]      netlink_rcv_skb+0x130/0x360
[ 4425.337530][T12167]      netlink_unicast+0x449/0x710
[ 4425.337530][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4425.337530][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4425.337530][T12167]      ___sys_sendmsg+0xee/0x170
[ 4425.337530][T12167]      __sys_sendmsg+0xcd/0x170
[ 4425.337530][T12167]      do_syscall_64+0xc6/0x1e0
[ 4425.337530][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4425.337530][T12167] 
[ 4425.339259][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4425.339259][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4425.339259][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4425.339259][T12167]      ipv6_find_idev+0x102/0x170
[ 4425.339259][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4425.339259][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4425.339259][T12167]      netlink_rcv_skb+0x130/0x360
[ 4425.339259][T12167]      netlink_unicast+0x449/0x710
[ 4425.339259][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4425.339259][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4425.339259][T12167]      ___sys_sendmsg+0xee/0x170
[ 4425.339259][T12167]      __sys_sendmsg+0xcd/0x170
[ 4425.339259][T12167]      do_syscall_64+0xc6/0x1e0
[ 4425.339259][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4425.339259][T12167] 
[ 4435.454761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4435.455261][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4435.455261][T12167]      netdev_get_by_index+0x5e/0x80
[ 4435.455261][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4435.455261][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4435.455261][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4435.455261][T12167]      ipv6_add_addr+0x411/0x2000
[ 4435.455261][T12167]      inet6_addr_add+0x30e/0xa40
[ 4435.455261][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4435.455261][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4435.455261][T12167]      netlink_rcv_skb+0x130/0x360
[ 4435.455261][T12167]      netlink_unicast+0x449/0x710
[ 4435.455261][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4435.455261][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4435.455261][T12167]      ___sys_sendmsg+0xee/0x170
[ 4435.455261][T12167]      __sys_sendmsg+0xcd/0x170
[ 4435.455261][T12167]      do_syscall_64+0xc6/0x1e0
[ 4435.455261][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4435.455261][T12167] 
[ 4435.457526][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4435.457526][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4435.457526][T12167]      ipv6_find_idev+0x102/0x170
[ 4435.457526][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4435.457526][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4435.457526][T12167]      netlink_rcv_skb+0x130/0x360
[ 4435.457526][T12167]      netlink_unicast+0x449/0x710
[ 4435.457526][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4435.457526][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4435.457526][T12167]      ___sys_sendmsg+0xee/0x170
[ 4435.457526][T12167]      __sys_sendmsg+0xcd/0x170
[ 4435.457526][T12167]      do_syscall_64+0xc6/0x1e0
[ 4435.457526][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4435.457526][T12167] 
[ 4435.459252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4435.459252][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4435.459252][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4435.459252][T12167]      ipv6_find_idev+0x102/0x170
[ 4435.459252][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4435.459252][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4435.459252][T12167]      netlink_rcv_skb+0x130/0x360
[ 4435.459252][T12167]      netlink_unicast+0x449/0x710
[ 4435.459252][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4435.459252][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4435.459252][T12167]      ___sys_sendmsg+0xee/0x170
[ 4435.459252][T12167]      __sys_sendmsg+0xcd/0x170
[ 4435.459252][T12167]      do_syscall_64+0xc6/0x1e0
[ 4435.459252][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4435.459252][T12167] 
[ 4445.702739][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4445.703232][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4445.703232][T12167]      netdev_get_by_index+0x5e/0x80
[ 4445.703232][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4445.703232][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4445.703232][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4445.703232][T12167]      ipv6_add_addr+0x411/0x2000
[ 4445.703232][T12167]      inet6_addr_add+0x30e/0xa40
[ 4445.703232][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4445.703232][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4445.703232][T12167]      netlink_rcv_skb+0x130/0x360
[ 4445.703232][T12167]      netlink_unicast+0x449/0x710
[ 4445.703232][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4445.703232][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4445.703232][T12167]      ___sys_sendmsg+0xee/0x170
[ 4445.703232][T12167]      __sys_sendmsg+0xcd/0x170
[ 4445.703232][T12167]      do_syscall_64+0xc6/0x1e0
[ 4445.703232][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4445.703232][T12167] 
[ 4445.705488][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4445.705488][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4445.705488][T12167]      ipv6_find_idev+0x102/0x170
[ 4445.705488][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4445.705488][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4445.705488][T12167]      netlink_rcv_skb+0x130/0x360
[ 4445.705488][T12167]      netlink_unicast+0x449/0x710
[ 4445.705488][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4445.705488][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4445.705488][T12167]      ___sys_sendmsg+0xee/0x170
[ 4445.705488][T12167]      __sys_sendmsg+0xcd/0x170
[ 4445.705488][T12167]      do_syscall_64+0xc6/0x1e0
[ 4445.705488][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4445.705488][T12167] 
[ 4445.707212][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4445.707212][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4445.707212][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4445.707212][T12167]      ipv6_find_idev+0x102/0x170
[ 4445.707212][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4445.707212][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4445.707212][T12167]      netlink_rcv_skb+0x130/0x360
[ 4445.707212][T12167]      netlink_unicast+0x449/0x710
[ 4445.707212][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4445.707212][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4445.707212][T12167]      ___sys_sendmsg+0xee/0x170
[ 4445.707212][T12167]      __sys_sendmsg+0xcd/0x170
[ 4445.707212][T12167]      do_syscall_64+0xc6/0x1e0
[ 4445.707212][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4445.707212][T12167] 
[ 4455.950825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4455.951335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4455.951335][T12167]      netdev_get_by_index+0x5e/0x80
[ 4455.951335][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4455.951335][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4455.951335][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4455.951335][T12167]      ipv6_add_addr+0x411/0x2000
[ 4455.951335][T12167]      inet6_addr_add+0x30e/0xa40
[ 4455.951335][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4455.951335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4455.951335][T12167]      netlink_rcv_skb+0x130/0x360
[ 4455.951335][T12167]      netlink_unicast+0x449/0x710
[ 4455.951335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4455.951335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4455.951335][T12167]      ___sys_sendmsg+0xee/0x170
[ 4455.951335][T12167]      __sys_sendmsg+0xcd/0x170
[ 4455.951335][T12167]      do_syscall_64+0xc6/0x1e0
[ 4455.951335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4455.951335][T12167] 
[ 4455.953589][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4455.953589][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4455.953589][T12167]      ipv6_find_idev+0x102/0x170
[ 4455.953589][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4455.953589][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4455.953589][T12167]      netlink_rcv_skb+0x130/0x360
[ 4455.953589][T12167]      netlink_unicast+0x449/0x710
[ 4455.953589][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4455.953589][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4455.953589][T12167]      ___sys_sendmsg+0xee/0x170
[ 4455.953589][T12167]      __sys_sendmsg+0xcd/0x170
[ 4455.953589][T12167]      do_syscall_64+0xc6/0x1e0
[ 4455.953589][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4455.953589][T12167] 
[ 4455.955837][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4455.955837][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4455.955837][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4455.955837][T12167]      ipv6_find_idev+0x102/0x170
[ 4455.955837][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4455.955837][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4455.955837][T12167]      netlink_rcv_skb+0x130/0x360
[ 4455.955837][T12167]      netlink_unicast+0x449/0x710
[ 4455.955837][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4455.955837][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4455.955837][T12167]      ___sys_sendmsg+0xee/0x170
[ 4455.955837][T12167]      __sys_sendmsg+0xcd/0x170
[ 4455.955837][T12167]      do_syscall_64+0xc6/0x1e0
[ 4455.955837][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4455.955837][T12167] 
[ 4466.198804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4466.199285][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4466.199285][T12167]      netdev_get_by_index+0x5e/0x80
[ 4466.199285][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4466.199285][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4466.199285][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4466.199285][T12167]      ipv6_add_addr+0x411/0x2000
[ 4466.199285][T12167]      inet6_addr_add+0x30e/0xa40
[ 4466.199285][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4466.199285][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4466.199285][T12167]      netlink_rcv_skb+0x130/0x360
[ 4466.199285][T12167]      netlink_unicast+0x449/0x710
[ 4466.199285][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4466.199285][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4466.199285][T12167]      ___sys_sendmsg+0xee/0x170
[ 4466.199285][T12167]      __sys_sendmsg+0xcd/0x170
[ 4466.199285][T12167]      do_syscall_64+0xc6/0x1e0
[ 4466.199285][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4466.199285][T12167] 
[ 4466.201546][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4466.201546][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4466.201546][T12167]      ipv6_find_idev+0x102/0x170
[ 4466.201546][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4466.201546][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4466.201546][T12167]      netlink_rcv_skb+0x130/0x360
[ 4466.201546][T12167]      netlink_unicast+0x449/0x710
[ 4466.201546][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4466.201546][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4466.201546][T12167]      ___sys_sendmsg+0xee/0x170
[ 4466.201546][T12167]      __sys_sendmsg+0xcd/0x170
[ 4466.201546][T12167]      do_syscall_64+0xc6/0x1e0
[ 4466.201546][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4466.201546][T12167] 
[ 4466.203273][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4466.203273][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4466.203273][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4466.203273][T12167]      ipv6_find_idev+0x102/0x170
[ 4466.203273][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4466.203273][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4466.203273][T12167]      netlink_rcv_skb+0x130/0x360
[ 4466.203273][T12167]      netlink_unicast+0x449/0x710
[ 4466.203273][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4466.203273][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4466.203273][T12167]      ___sys_sendmsg+0xee/0x170
[ 4466.203273][T12167]      __sys_sendmsg+0xcd/0x170
[ 4466.203273][T12167]      do_syscall_64+0xc6/0x1e0
[ 4466.203273][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4466.203273][T12167] 
[ 4476.406851][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4476.407352][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4476.407352][T12167]      netdev_get_by_index+0x5e/0x80
[ 4476.407352][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4476.407352][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4476.407352][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4476.407352][T12167]      ipv6_add_addr+0x411/0x2000
[ 4476.407352][T12167]      inet6_addr_add+0x30e/0xa40
[ 4476.407352][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4476.407352][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4476.407352][T12167]      netlink_rcv_skb+0x130/0x360
[ 4476.407352][T12167]      netlink_unicast+0x449/0x710
[ 4476.407352][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4476.407352][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4476.407352][T12167]      ___sys_sendmsg+0xee/0x170
[ 4476.407352][T12167]      __sys_sendmsg+0xcd/0x170
[ 4476.407352][T12167]      do_syscall_64+0xc6/0x1e0
[ 4476.407352][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4476.407352][T12167] 
[ 4476.409614][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4476.409614][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4476.409614][T12167]      ipv6_find_idev+0x102/0x170
[ 4476.409614][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4476.409614][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4476.409614][T12167]      netlink_rcv_skb+0x130/0x360
[ 4476.409614][T12167]      netlink_unicast+0x449/0x710
[ 4476.409614][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4476.409614][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4476.409614][T12167]      ___sys_sendmsg+0xee/0x170
[ 4476.409614][T12167]      __sys_sendmsg+0xcd/0x170
[ 4476.409614][T12167]      do_syscall_64+0xc6/0x1e0
[ 4476.409614][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4476.409614][T12167] 
[ 4476.411346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4476.411346][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4476.411346][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4476.411346][T12167]      ipv6_find_idev+0x102/0x170
[ 4476.411346][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4476.411346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4476.411346][T12167]      netlink_rcv_skb+0x130/0x360
[ 4476.411346][T12167]      netlink_unicast+0x449/0x710
[ 4476.411346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4476.411346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4476.411346][T12167]      ___sys_sendmsg+0xee/0x170
[ 4476.411346][T12167]      __sys_sendmsg+0xcd/0x170
[ 4476.411346][T12167]      do_syscall_64+0xc6/0x1e0
[ 4476.411346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4476.411346][T12167] 
[ 4486.550822][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4486.551326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4486.551326][T12167]      netdev_get_by_index+0x5e/0x80
[ 4486.551326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4486.551326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4486.551326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4486.551326][T12167]      ipv6_add_addr+0x411/0x2000
[ 4486.551326][T12167]      inet6_addr_add+0x30e/0xa40
[ 4486.551326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4486.551326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4486.551326][T12167]      netlink_rcv_skb+0x130/0x360
[ 4486.551326][T12167]      netlink_unicast+0x449/0x710
[ 4486.551326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4486.551326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4486.551326][T12167]      ___sys_sendmsg+0xee/0x170
[ 4486.551326][T12167]      __sys_sendmsg+0xcd/0x170
[ 4486.551326][T12167]      do_syscall_64+0xc6/0x1e0
[ 4486.551326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4486.551326][T12167] 
[ 4486.553581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4486.553581][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4486.553581][T12167]      ipv6_find_idev+0x102/0x170
[ 4486.553581][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4486.553581][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4486.553581][T12167]      netlink_rcv_skb+0x130/0x360
[ 4486.553581][T12167]      netlink_unicast+0x449/0x710
[ 4486.553581][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4486.553581][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4486.553581][T12167]      ___sys_sendmsg+0xee/0x170
[ 4486.553581][T12167]      __sys_sendmsg+0xcd/0x170
[ 4486.553581][T12167]      do_syscall_64+0xc6/0x1e0
[ 4486.553581][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4486.553581][T12167] 
[ 4486.555322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4486.555322][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4486.555322][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4486.555322][T12167]      ipv6_find_idev+0x102/0x170
[ 4486.555322][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4486.555322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4486.555322][T12167]      netlink_rcv_skb+0x130/0x360
[ 4486.555322][T12167]      netlink_unicast+0x449/0x710
[ 4486.555322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4486.555322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4486.555322][T12167]      ___sys_sendmsg+0xee/0x170
[ 4486.555322][T12167]      __sys_sendmsg+0xcd/0x170
[ 4486.555322][T12167]      do_syscall_64+0xc6/0x1e0
[ 4486.555322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4486.555322][T12167] 
[ 4496.574806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4496.575296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4496.575296][T12167]      netdev_get_by_index+0x5e/0x80
[ 4496.575296][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4496.575296][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4496.575296][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4496.575296][T12167]      ipv6_add_addr+0x411/0x2000
[ 4496.575296][T12167]      inet6_addr_add+0x30e/0xa40
[ 4496.575296][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4496.575296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4496.575296][T12167]      netlink_rcv_skb+0x130/0x360
[ 4496.575296][T12167]      netlink_unicast+0x449/0x710
[ 4496.575296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4496.575296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4496.575296][T12167]      ___sys_sendmsg+0xee/0x170
[ 4496.575296][T12167]      __sys_sendmsg+0xcd/0x170
[ 4496.575296][T12167]      do_syscall_64+0xc6/0x1e0
[ 4496.575296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4496.575296][T12167] 
[ 4496.577559][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4496.577559][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4496.577559][T12167]      ipv6_find_idev+0x102/0x170
[ 4496.577559][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4496.577559][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4496.577559][T12167]      netlink_rcv_skb+0x130/0x360
[ 4496.577559][T12167]      netlink_unicast+0x449/0x710
[ 4496.577559][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4496.577559][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4496.577559][T12167]      ___sys_sendmsg+0xee/0x170
[ 4496.577559][T12167]      __sys_sendmsg+0xcd/0x170
[ 4496.577559][T12167]      do_syscall_64+0xc6/0x1e0
[ 4496.577559][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4496.577559][T12167] 
[ 4496.579287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4496.579287][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4496.579287][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4496.579287][T12167]      ipv6_find_idev+0x102/0x170
[ 4496.579287][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4496.579287][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4496.579287][T12167]      netlink_rcv_skb+0x130/0x360
[ 4496.579287][T12167]      netlink_unicast+0x449/0x710
[ 4496.579287][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4496.579287][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4496.579287][T12167]      ___sys_sendmsg+0xee/0x170
[ 4496.579287][T12167]      __sys_sendmsg+0xcd/0x170
[ 4496.579287][T12167]      do_syscall_64+0xc6/0x1e0
[ 4496.579287][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4496.579287][T12167] 
[ 4506.822844][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4506.823353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4506.823353][T12167]      netdev_get_by_index+0x5e/0x80
[ 4506.823353][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4506.823353][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4506.823353][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4506.823353][T12167]      ipv6_add_addr+0x411/0x2000
[ 4506.823353][T12167]      inet6_addr_add+0x30e/0xa40
[ 4506.823353][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4506.823353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4506.823353][T12167]      netlink_rcv_skb+0x130/0x360
[ 4506.823353][T12167]      netlink_unicast+0x449/0x710
[ 4506.823353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4506.823353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4506.823353][T12167]      ___sys_sendmsg+0xee/0x170
[ 4506.823353][T12167]      __sys_sendmsg+0xcd/0x170
[ 4506.823353][T12167]      do_syscall_64+0xc6/0x1e0
[ 4506.823353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4506.823353][T12167] 
[ 4506.825629][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4506.825629][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4506.825629][T12167]      ipv6_find_idev+0x102/0x170
[ 4506.825629][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4506.825629][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4506.825629][T12167]      netlink_rcv_skb+0x130/0x360
[ 4506.825629][T12167]      netlink_unicast+0x449/0x710
[ 4506.825629][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4506.825629][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4506.825629][T12167]      ___sys_sendmsg+0xee/0x170
[ 4506.825629][T12167]      __sys_sendmsg+0xcd/0x170
[ 4506.825629][T12167]      do_syscall_64+0xc6/0x1e0
[ 4506.825629][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4506.825629][T12167] 
[ 4506.827363][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4506.827363][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4506.827363][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4506.827363][T12167]      ipv6_find_idev+0x102/0x170
[ 4506.827363][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4506.827363][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4506.827363][T12167]      netlink_rcv_skb+0x130/0x360
[ 4506.827363][T12167]      netlink_unicast+0x449/0x710
[ 4506.827363][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4506.827363][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4506.827363][T12167]      ___sys_sendmsg+0xee/0x170
[ 4506.827363][T12167]      __sys_sendmsg+0xcd/0x170
[ 4506.827363][T12167]      do_syscall_64+0xc6/0x1e0
[ 4506.827363][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4506.827363][T12167] 
[ 4517.334809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4517.335296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4517.335296][T12167]      netdev_get_by_index+0x5e/0x80
[ 4517.335296][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4517.335296][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4517.335296][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4517.335296][T12167]      ipv6_add_addr+0x411/0x2000
[ 4517.335296][T12167]      inet6_addr_add+0x30e/0xa40
[ 4517.335296][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4517.335296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4517.335296][T12167]      netlink_rcv_skb+0x130/0x360
[ 4517.335296][T12167]      netlink_unicast+0x449/0x710
[ 4517.335296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4517.335296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4517.335296][T12167]      ___sys_sendmsg+0xee/0x170
[ 4517.335296][T12167]      __sys_sendmsg+0xcd/0x170
[ 4517.335296][T12167]      do_syscall_64+0xc6/0x1e0
[ 4517.335296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4517.335296][T12167] 
[ 4517.337579][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4517.337579][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4517.337579][T12167]      ipv6_find_idev+0x102/0x170
[ 4517.337579][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4517.337579][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4517.337579][T12167]      netlink_rcv_skb+0x130/0x360
[ 4517.337579][T12167]      netlink_unicast+0x449/0x710
[ 4517.337579][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4517.337579][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4517.337579][T12167]      ___sys_sendmsg+0xee/0x170
[ 4517.337579][T12167]      __sys_sendmsg+0xcd/0x170
[ 4517.337579][T12167]      do_syscall_64+0xc6/0x1e0
[ 4517.337579][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4517.337579][T12167] 
[ 4517.339315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4517.339315][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4517.339315][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4517.339315][T12167]      ipv6_find_idev+0x102/0x170
[ 4517.339315][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4517.339315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4517.339315][T12167]      netlink_rcv_skb+0x130/0x360
[ 4517.339315][T12167]      netlink_unicast+0x449/0x710
[ 4517.339315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4517.339315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4517.339315][T12167]      ___sys_sendmsg+0xee/0x170
[ 4517.339315][T12167]      __sys_sendmsg+0xcd/0x170
[ 4517.339315][T12167]      do_syscall_64+0xc6/0x1e0
[ 4517.339315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4517.339315][T12167] 
[ 4527.590761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4527.591262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4527.591262][T12167]      netdev_get_by_index+0x5e/0x80
[ 4527.591262][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4527.591262][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4527.591262][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4527.591262][T12167]      ipv6_add_addr+0x411/0x2000
[ 4527.591262][T12167]      inet6_addr_add+0x30e/0xa40
[ 4527.591262][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4527.591262][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4527.591262][T12167]      netlink_rcv_skb+0x130/0x360
[ 4527.591262][T12167]      netlink_unicast+0x449/0x710
[ 4527.591262][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4527.591262][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4527.591262][T12167]      ___sys_sendmsg+0xee/0x170
[ 4527.591262][T12167]      __sys_sendmsg+0xcd/0x170
[ 4527.591262][T12167]      do_syscall_64+0xc6/0x1e0
[ 4527.591262][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4527.591262][T12167] 
[ 4527.593518][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4527.593518][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4527.593518][T12167]      ipv6_find_idev+0x102/0x170
[ 4527.593518][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4527.593518][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4527.593518][T12167]      netlink_rcv_skb+0x130/0x360
[ 4527.593518][T12167]      netlink_unicast+0x449/0x710
[ 4527.593518][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4527.593518][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4527.593518][T12167]      ___sys_sendmsg+0xee/0x170
[ 4527.593518][T12167]      __sys_sendmsg+0xcd/0x170
[ 4527.593518][T12167]      do_syscall_64+0xc6/0x1e0
[ 4527.593518][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4527.593518][T12167] 
[ 4527.595290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4527.595290][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4527.595290][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4527.595290][T12167]      ipv6_find_idev+0x102/0x170
[ 4527.595290][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4527.595290][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4527.595290][T12167]      netlink_rcv_skb+0x130/0x360
[ 4527.595290][T12167]      netlink_unicast+0x449/0x710
[ 4527.595290][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4527.595290][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4527.595290][T12167]      ___sys_sendmsg+0xee/0x170
[ 4527.595290][T12167]      __sys_sendmsg+0xcd/0x170
[ 4527.595290][T12167]      do_syscall_64+0xc6/0x1e0
[ 4527.595290][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4527.595290][T12167] 
[ 4537.846768][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4537.847345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4537.847345][T12167]      netdev_get_by_index+0x5e/0x80
[ 4537.847345][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4537.847345][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4537.847345][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4537.847345][T12167]      ipv6_add_addr+0x411/0x2000
[ 4537.847345][T12167]      inet6_addr_add+0x30e/0xa40
[ 4537.847345][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4537.847345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4537.847345][T12167]      netlink_rcv_skb+0x130/0x360
[ 4537.847345][T12167]      netlink_unicast+0x449/0x710
[ 4537.847345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4537.847345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4537.847345][T12167]      ___sys_sendmsg+0xee/0x170
[ 4537.847345][T12167]      __sys_sendmsg+0xcd/0x170
[ 4537.847345][T12167]      do_syscall_64+0xc6/0x1e0
[ 4537.847345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4537.847345][T12167] 
[ 4537.849956][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4537.849956][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4537.849956][T12167]      ipv6_find_idev+0x102/0x170
[ 4537.849956][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4537.849956][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4537.849956][T12167]      netlink_rcv_skb+0x130/0x360
[ 4537.849956][T12167]      netlink_unicast+0x449/0x710
[ 4537.849956][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4537.849956][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4537.849956][T12167]      ___sys_sendmsg+0xee/0x170
[ 4537.849956][T12167]      __sys_sendmsg+0xcd/0x170
[ 4537.849956][T12167]      do_syscall_64+0xc6/0x1e0
[ 4537.849956][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4537.849956][T12167] 
[ 4537.852059][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4537.852059][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4537.852059][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4537.852059][T12167]      ipv6_find_idev+0x102/0x170
[ 4537.852059][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4537.852059][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4537.852059][T12167]      netlink_rcv_skb+0x130/0x360
[ 4537.852059][T12167]      netlink_unicast+0x449/0x710
[ 4537.852059][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4537.852059][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4537.852059][T12167]      ___sys_sendmsg+0xee/0x170
[ 4537.852059][T12167]      __sys_sendmsg+0xcd/0x170
[ 4537.852059][T12167]      do_syscall_64+0xc6/0x1e0
[ 4537.852059][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4537.852059][T12167] 
[ 4548.102803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4548.103389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4548.103389][T12167]      netdev_get_by_index+0x5e/0x80
[ 4548.103389][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4548.103389][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4548.103389][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4548.103389][T12167]      ipv6_add_addr+0x411/0x2000
[ 4548.103389][T12167]      inet6_addr_add+0x30e/0xa40
[ 4548.103389][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4548.103389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4548.103389][T12167]      netlink_rcv_skb+0x130/0x360
[ 4548.103389][T12167]      netlink_unicast+0x449/0x710
[ 4548.103389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4548.103389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4548.103389][T12167]      ___sys_sendmsg+0xee/0x170
[ 4548.103389][T12167]      __sys_sendmsg+0xcd/0x170
[ 4548.103389][T12167]      do_syscall_64+0xc6/0x1e0
[ 4548.103389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4548.103389][T12167] 
[ 4548.105669][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4548.105669][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4548.105669][T12167]      ipv6_find_idev+0x102/0x170
[ 4548.105669][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4548.105669][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4548.105669][T12167]      netlink_rcv_skb+0x130/0x360
[ 4548.105669][T12167]      netlink_unicast+0x449/0x710
[ 4548.105669][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4548.105669][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4548.105669][T12167]      ___sys_sendmsg+0xee/0x170
[ 4548.105669][T12167]      __sys_sendmsg+0xcd/0x170
[ 4548.105669][T12167]      do_syscall_64+0xc6/0x1e0
[ 4548.105669][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4548.105669][T12167] 
[ 4548.107402][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4548.107402][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4548.107402][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4548.107402][T12167]      ipv6_find_idev+0x102/0x170
[ 4548.107402][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4548.107402][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4548.107402][T12167]      netlink_rcv_skb+0x130/0x360
[ 4548.107402][T12167]      netlink_unicast+0x449/0x710
[ 4548.107402][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4548.107402][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4548.107402][T12167]      ___sys_sendmsg+0xee/0x170
[ 4548.107402][T12167]      __sys_sendmsg+0xcd/0x170
[ 4548.107402][T12167]      do_syscall_64+0xc6/0x1e0
[ 4548.107402][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4548.107402][T12167] 
[ 4558.350837][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4558.351338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4558.351338][T12167]      netdev_get_by_index+0x5e/0x80
[ 4558.351338][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4558.351338][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4558.351338][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4558.351338][T12167]      ipv6_add_addr+0x411/0x2000
[ 4558.351338][T12167]      inet6_addr_add+0x30e/0xa40
[ 4558.351338][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4558.351338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4558.351338][T12167]      netlink_rcv_skb+0x130/0x360
[ 4558.351338][T12167]      netlink_unicast+0x449/0x710
[ 4558.351338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4558.351338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4558.351338][T12167]      ___sys_sendmsg+0xee/0x170
[ 4558.351338][T12167]      __sys_sendmsg+0xcd/0x170
[ 4558.351338][T12167]      do_syscall_64+0xc6/0x1e0
[ 4558.351338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4558.351338][T12167] 
[ 4558.353616][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4558.353616][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4558.353616][T12167]      ipv6_find_idev+0x102/0x170
[ 4558.353616][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4558.353616][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4558.353616][T12167]      netlink_rcv_skb+0x130/0x360
[ 4558.353616][T12167]      netlink_unicast+0x449/0x710
[ 4558.353616][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4558.353616][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4558.353616][T12167]      ___sys_sendmsg+0xee/0x170
[ 4558.353616][T12167]      __sys_sendmsg+0xcd/0x170
[ 4558.353616][T12167]      do_syscall_64+0xc6/0x1e0
[ 4558.353616][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4558.353616][T12167] 
[ 4558.355360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4558.355360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4558.355360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4558.355360][T12167]      ipv6_find_idev+0x102/0x170
[ 4558.355360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4558.355360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4558.355360][T12167]      netlink_rcv_skb+0x130/0x360
[ 4558.355360][T12167]      netlink_unicast+0x449/0x710
[ 4558.355360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4558.355360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4558.355360][T12167]      ___sys_sendmsg+0xee/0x170
[ 4558.355360][T12167]      __sys_sendmsg+0xcd/0x170
[ 4558.355360][T12167]      do_syscall_64+0xc6/0x1e0
[ 4558.355360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4558.355360][T12167] 
[ 4568.598756][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4568.599251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4568.599251][T12167]      netdev_get_by_index+0x5e/0x80
[ 4568.599251][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4568.599251][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4568.599251][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4568.599251][T12167]      ipv6_add_addr+0x411/0x2000
[ 4568.599251][T12167]      inet6_addr_add+0x30e/0xa40
[ 4568.599251][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4568.599251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4568.599251][T12167]      netlink_rcv_skb+0x130/0x360
[ 4568.599251][T12167]      netlink_unicast+0x449/0x710
[ 4568.599251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4568.599251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4568.599251][T12167]      ___sys_sendmsg+0xee/0x170
[ 4568.599251][T12167]      __sys_sendmsg+0xcd/0x170
[ 4568.599251][T12167]      do_syscall_64+0xc6/0x1e0
[ 4568.599251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4568.599251][T12167] 
[ 4568.601517][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4568.601517][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4568.601517][T12167]      ipv6_find_idev+0x102/0x170
[ 4568.601517][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4568.601517][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4568.601517][T12167]      netlink_rcv_skb+0x130/0x360
[ 4568.601517][T12167]      netlink_unicast+0x449/0x710
[ 4568.601517][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4568.601517][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4568.601517][T12167]      ___sys_sendmsg+0xee/0x170
[ 4568.601517][T12167]      __sys_sendmsg+0xcd/0x170
[ 4568.601517][T12167]      do_syscall_64+0xc6/0x1e0
[ 4568.601517][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4568.601517][T12167] 
[ 4568.603251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4568.603251][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4568.603251][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4568.603251][T12167]      ipv6_find_idev+0x102/0x170
[ 4568.603251][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4568.603251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4568.603251][T12167]      netlink_rcv_skb+0x130/0x360
[ 4568.603251][T12167]      netlink_unicast+0x449/0x710
[ 4568.603251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4568.603251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4568.603251][T12167]      ___sys_sendmsg+0xee/0x170
[ 4568.603251][T12167]      __sys_sendmsg+0xcd/0x170
[ 4568.603251][T12167]      do_syscall_64+0xc6/0x1e0
[ 4568.603251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4568.603251][T12167] 
[ 4578.846747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4578.847226][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4578.847226][T12167]      netdev_get_by_index+0x5e/0x80
[ 4578.847226][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4578.847226][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4578.847226][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4578.847226][T12167]      ipv6_add_addr+0x411/0x2000
[ 4578.847226][T12167]      inet6_addr_add+0x30e/0xa40
[ 4578.847226][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4578.847226][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4578.847226][T12167]      netlink_rcv_skb+0x130/0x360
[ 4578.847226][T12167]      netlink_unicast+0x449/0x710
[ 4578.847226][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4578.847226][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4578.847226][T12167]      ___sys_sendmsg+0xee/0x170
[ 4578.847226][T12167]      __sys_sendmsg+0xcd/0x170
[ 4578.847226][T12167]      do_syscall_64+0xc6/0x1e0
[ 4578.847226][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4578.847226][T12167] 
[ 4578.849486][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4578.849486][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4578.849486][T12167]      ipv6_find_idev+0x102/0x170
[ 4578.849486][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4578.849486][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4578.849486][T12167]      netlink_rcv_skb+0x130/0x360
[ 4578.849486][T12167]      netlink_unicast+0x449/0x710
[ 4578.849486][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4578.849486][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4578.849486][T12167]      ___sys_sendmsg+0xee/0x170
[ 4578.849486][T12167]      __sys_sendmsg+0xcd/0x170
[ 4578.849486][T12167]      do_syscall_64+0xc6/0x1e0
[ 4578.849486][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4578.849486][T12167] 
[ 4578.851252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4578.851252][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4578.851252][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4578.851252][T12167]      ipv6_find_idev+0x102/0x170
[ 4578.851252][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4578.851252][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4578.851252][T12167]      netlink_rcv_skb+0x130/0x360
[ 4578.851252][T12167]      netlink_unicast+0x449/0x710
[ 4578.851252][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4578.851252][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4578.851252][T12167]      ___sys_sendmsg+0xee/0x170
[ 4578.851252][T12167]      __sys_sendmsg+0xcd/0x170
[ 4578.851252][T12167]      do_syscall_64+0xc6/0x1e0
[ 4578.851252][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4578.851252][T12167] 
[ 4589.102815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4589.103299][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4589.103299][T12167]      netdev_get_by_index+0x5e/0x80
[ 4589.103299][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4589.103299][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4589.103299][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4589.103299][T12167]      ipv6_add_addr+0x411/0x2000
[ 4589.103299][T12167]      inet6_addr_add+0x30e/0xa40
[ 4589.103299][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4589.103299][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4589.103299][T12167]      netlink_rcv_skb+0x130/0x360
[ 4589.103299][T12167]      netlink_unicast+0x449/0x710
[ 4589.103299][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4589.103299][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4589.103299][T12167]      ___sys_sendmsg+0xee/0x170
[ 4589.103299][T12167]      __sys_sendmsg+0xcd/0x170
[ 4589.103299][T12167]      do_syscall_64+0xc6/0x1e0
[ 4589.103299][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4589.103299][T12167] 
[ 4589.105571][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4589.105571][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4589.105571][T12167]      ipv6_find_idev+0x102/0x170
[ 4589.105571][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4589.105571][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4589.105571][T12167]      netlink_rcv_skb+0x130/0x360
[ 4589.105571][T12167]      netlink_unicast+0x449/0x710
[ 4589.105571][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4589.105571][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4589.105571][T12167]      ___sys_sendmsg+0xee/0x170
[ 4589.105571][T12167]      __sys_sendmsg+0xcd/0x170
[ 4589.105571][T12167]      do_syscall_64+0xc6/0x1e0
[ 4589.105571][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4589.105571][T12167] 
[ 4589.107297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4589.107297][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4589.107297][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4589.107297][T12167]      ipv6_find_idev+0x102/0x170
[ 4589.107297][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4589.107297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4589.107297][T12167]      netlink_rcv_skb+0x130/0x360
[ 4589.107297][T12167]      netlink_unicast+0x449/0x710
[ 4589.107297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4589.107297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4589.107297][T12167]      ___sys_sendmsg+0xee/0x170
[ 4589.107297][T12167]      __sys_sendmsg+0xcd/0x170
[ 4589.107297][T12167]      do_syscall_64+0xc6/0x1e0
[ 4589.107297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4589.107297][T12167] 
[ 4599.350734][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4599.351219][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4599.351219][T12167]      netdev_get_by_index+0x5e/0x80
[ 4599.351219][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4599.351219][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4599.351219][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4599.351219][T12167]      ipv6_add_addr+0x411/0x2000
[ 4599.351219][T12167]      inet6_addr_add+0x30e/0xa40
[ 4599.351219][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4599.351219][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4599.351219][T12167]      netlink_rcv_skb+0x130/0x360
[ 4599.351219][T12167]      netlink_unicast+0x449/0x710
[ 4599.351219][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4599.351219][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4599.351219][T12167]      ___sys_sendmsg+0xee/0x170
[ 4599.351219][T12167]      __sys_sendmsg+0xcd/0x170
[ 4599.351219][T12167]      do_syscall_64+0xc6/0x1e0
[ 4599.351219][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4599.351219][T12167] 
[ 4599.353479][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4599.353479][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4599.353479][T12167]      ipv6_find_idev+0x102/0x170
[ 4599.353479][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4599.353479][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4599.353479][T12167]      netlink_rcv_skb+0x130/0x360
[ 4599.353479][T12167]      netlink_unicast+0x449/0x710
[ 4599.353479][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4599.353479][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4599.353479][T12167]      ___sys_sendmsg+0xee/0x170
[ 4599.353479][T12167]      __sys_sendmsg+0xcd/0x170
[ 4599.353479][T12167]      do_syscall_64+0xc6/0x1e0
[ 4599.353479][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4599.353479][T12167] 
[ 4599.355216][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4599.355216][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4599.355216][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4599.355216][T12167]      ipv6_find_idev+0x102/0x170
[ 4599.355216][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4599.355216][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4599.355216][T12167]      netlink_rcv_skb+0x130/0x360
[ 4599.355216][T12167]      netlink_unicast+0x449/0x710
[ 4599.355216][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4599.355216][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4599.355216][T12167]      ___sys_sendmsg+0xee/0x170
[ 4599.355216][T12167]      __sys_sendmsg+0xcd/0x170
[ 4599.355216][T12167]      do_syscall_64+0xc6/0x1e0
[ 4599.355216][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4599.355216][T12167] 
[ 4609.598726][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4609.599168][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4609.599168][T12167]      netdev_get_by_index+0x5e/0x80
[ 4609.599168][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4609.599168][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4609.599168][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4609.599168][T12167]      ipv6_add_addr+0x411/0x2000
[ 4609.599168][T12167]      inet6_addr_add+0x30e/0xa40
[ 4609.599168][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4609.599168][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4609.599168][T12167]      netlink_rcv_skb+0x130/0x360
[ 4609.599168][T12167]      netlink_unicast+0x449/0x710
[ 4609.599168][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4609.599168][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4609.599168][T12167]      ___sys_sendmsg+0xee/0x170
[ 4609.599168][T12167]      __sys_sendmsg+0xcd/0x170
[ 4609.599168][T12167]      do_syscall_64+0xc6/0x1e0
[ 4609.599168][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4609.599168][T12167] 
[ 4609.601412][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4609.601412][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4609.601412][T12167]      ipv6_find_idev+0x102/0x170
[ 4609.601412][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4609.601412][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4609.601412][T12167]      netlink_rcv_skb+0x130/0x360
[ 4609.601412][T12167]      netlink_unicast+0x449/0x710
[ 4609.601412][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4609.601412][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4609.601412][T12167]      ___sys_sendmsg+0xee/0x170
[ 4609.601412][T12167]      __sys_sendmsg+0xcd/0x170
[ 4609.601412][T12167]      do_syscall_64+0xc6/0x1e0
[ 4609.601412][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4609.601412][T12167] 
[ 4609.603141][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4609.603141][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4609.603141][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4609.603141][T12167]      ipv6_find_idev+0x102/0x170
[ 4609.603141][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4609.603141][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4609.603141][T12167]      netlink_rcv_skb+0x130/0x360
[ 4609.603141][T12167]      netlink_unicast+0x449/0x710
[ 4609.603141][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4609.603141][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4609.603141][T12167]      ___sys_sendmsg+0xee/0x170
[ 4609.603141][T12167]      __sys_sendmsg+0xcd/0x170
[ 4609.603141][T12167]      do_syscall_64+0xc6/0x1e0
[ 4609.603141][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4609.603141][T12167] 
[ 4619.654725][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4619.655218][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4619.655218][T12167]      netdev_get_by_index+0x5e/0x80
[ 4619.655218][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4619.655218][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4619.655218][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4619.655218][T12167]      ipv6_add_addr+0x411/0x2000
[ 4619.655218][T12167]      inet6_addr_add+0x30e/0xa40
[ 4619.655218][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4619.655218][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4619.655218][T12167]      netlink_rcv_skb+0x130/0x360
[ 4619.655218][T12167]      netlink_unicast+0x449/0x710
[ 4619.655218][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4619.655218][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4619.655218][T12167]      ___sys_sendmsg+0xee/0x170
[ 4619.655218][T12167]      __sys_sendmsg+0xcd/0x170
[ 4619.655218][T12167]      do_syscall_64+0xc6/0x1e0
[ 4619.655218][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4619.655218][T12167] 
[ 4619.657502][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4619.657502][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4619.657502][T12167]      ipv6_find_idev+0x102/0x170
[ 4619.657502][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4619.657502][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4619.657502][T12167]      netlink_rcv_skb+0x130/0x360
[ 4619.657502][T12167]      netlink_unicast+0x449/0x710
[ 4619.657502][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4619.657502][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4619.657502][T12167]      ___sys_sendmsg+0xee/0x170
[ 4619.657502][T12167]      __sys_sendmsg+0xcd/0x170
[ 4619.657502][T12167]      do_syscall_64+0xc6/0x1e0
[ 4619.657502][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4619.657502][T12167] 
[ 4619.659248][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4619.659248][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4619.659248][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4619.659248][T12167]      ipv6_find_idev+0x102/0x170
[ 4619.659248][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4619.659248][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4619.659248][T12167]      netlink_rcv_skb+0x130/0x360
[ 4619.659248][T12167]      netlink_unicast+0x449/0x710
[ 4619.659248][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4619.659248][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4619.659248][T12167]      ___sys_sendmsg+0xee/0x170
[ 4619.659248][T12167]      __sys_sendmsg+0xcd/0x170
[ 4619.659248][T12167]      do_syscall_64+0xc6/0x1e0
[ 4619.659248][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4619.659248][T12167] 
[ 4629.830840][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4629.831407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4629.831407][T12167]      netdev_get_by_index+0x5e/0x80
[ 4629.831407][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4629.831407][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4629.831407][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4629.831407][T12167]      ipv6_add_addr+0x411/0x2000
[ 4629.831407][T12167]      inet6_addr_add+0x30e/0xa40
[ 4629.831407][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4629.831407][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4629.831407][T12167]      netlink_rcv_skb+0x130/0x360
[ 4629.831407][T12167]      netlink_unicast+0x449/0x710
[ 4629.831407][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4629.831407][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4629.831407][T12167]      ___sys_sendmsg+0xee/0x170
[ 4629.831407][T12167]      __sys_sendmsg+0xcd/0x170
[ 4629.831407][T12167]      do_syscall_64+0xc6/0x1e0
[ 4629.831407][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4629.831407][T12167] 
[ 4629.833967][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4629.833967][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4629.833967][T12167]      ipv6_find_idev+0x102/0x170
[ 4629.833967][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4629.833967][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4629.833967][T12167]      netlink_rcv_skb+0x130/0x360
[ 4629.833967][T12167]      netlink_unicast+0x449/0x710
[ 4629.833967][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4629.833967][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4629.833967][T12167]      ___sys_sendmsg+0xee/0x170
[ 4629.833967][T12167]      __sys_sendmsg+0xcd/0x170
[ 4629.833967][T12167]      do_syscall_64+0xc6/0x1e0
[ 4629.833967][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4629.833967][T12167] 
[ 4629.835913][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4629.835913][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4629.835913][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4629.835913][T12167]      ipv6_find_idev+0x102/0x170
[ 4629.835913][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4629.835913][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4629.835913][T12167]      netlink_rcv_skb+0x130/0x360
[ 4629.835913][T12167]      netlink_unicast+0x449/0x710
[ 4629.835913][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4629.835913][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4629.835913][T12167]      ___sys_sendmsg+0xee/0x170
[ 4629.835913][T12167]      __sys_sendmsg+0xcd/0x170
[ 4629.835913][T12167]      do_syscall_64+0xc6/0x1e0
[ 4629.835913][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4629.835913][T12167] 
[ 4640.078833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4640.079398][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4640.079398][T12167]      netdev_get_by_index+0x5e/0x80
[ 4640.079398][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4640.079398][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4640.079398][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4640.079398][T12167]      ipv6_add_addr+0x411/0x2000
[ 4640.079398][T12167]      inet6_addr_add+0x30e/0xa40
[ 4640.079398][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4640.079398][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4640.079398][T12167]      netlink_rcv_skb+0x130/0x360
[ 4640.079398][T12167]      netlink_unicast+0x449/0x710
[ 4640.079398][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4640.079398][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4640.079398][T12167]      ___sys_sendmsg+0xee/0x170
[ 4640.079398][T12167]      __sys_sendmsg+0xcd/0x170
[ 4640.079398][T12167]      do_syscall_64+0xc6/0x1e0
[ 4640.079398][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4640.079398][T12167] 
[ 4640.081923][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4640.081923][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4640.081923][T12167]      ipv6_find_idev+0x102/0x170
[ 4640.081923][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4640.081923][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4640.081923][T12167]      netlink_rcv_skb+0x130/0x360
[ 4640.081923][T12167]      netlink_unicast+0x449/0x710
[ 4640.081923][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4640.081923][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4640.081923][T12167]      ___sys_sendmsg+0xee/0x170
[ 4640.081923][T12167]      __sys_sendmsg+0xcd/0x170
[ 4640.081923][T12167]      do_syscall_64+0xc6/0x1e0
[ 4640.081923][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4640.081923][T12167] 
[ 4640.083869][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4640.083869][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4640.083869][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4640.083869][T12167]      ipv6_find_idev+0x102/0x170
[ 4640.083869][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4640.083869][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4640.083869][T12167]      netlink_rcv_skb+0x130/0x360
[ 4640.083869][T12167]      netlink_unicast+0x449/0x710
[ 4640.083869][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4640.083869][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4640.083869][T12167]      ___sys_sendmsg+0xee/0x170
[ 4640.083869][T12167]      __sys_sendmsg+0xcd/0x170
[ 4640.083869][T12167]      do_syscall_64+0xc6/0x1e0
[ 4640.083869][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4640.083869][T12167] 
[ 4650.326845][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4650.327468][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4650.327468][T12167]      netdev_get_by_index+0x5e/0x80
[ 4650.327468][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4650.327468][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4650.327468][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4650.327468][T12167]      ipv6_add_addr+0x411/0x2000
[ 4650.327468][T12167]      inet6_addr_add+0x30e/0xa40
[ 4650.327468][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4650.327468][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4650.327468][T12167]      netlink_rcv_skb+0x130/0x360
[ 4650.327468][T12167]      netlink_unicast+0x449/0x710
[ 4650.327468][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4650.327468][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4650.327468][T12167]      ___sys_sendmsg+0xee/0x170
[ 4650.327468][T12167]      __sys_sendmsg+0xcd/0x170
[ 4650.327468][T12167]      do_syscall_64+0xc6/0x1e0
[ 4650.327468][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4650.327468][T12167] 
[ 4650.330006][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4650.330006][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4650.330006][T12167]      ipv6_find_idev+0x102/0x170
[ 4650.330006][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4650.330006][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4650.330006][T12167]      netlink_rcv_skb+0x130/0x360
[ 4650.330006][T12167]      netlink_unicast+0x449/0x710
[ 4650.330006][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4650.330006][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4650.330006][T12167]      ___sys_sendmsg+0xee/0x170
[ 4650.330006][T12167]      __sys_sendmsg+0xcd/0x170
[ 4650.330006][T12167]      do_syscall_64+0xc6/0x1e0
[ 4650.330006][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4650.330006][T12167] 
[ 4650.331940][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4650.331940][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4650.331940][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4650.331940][T12167]      ipv6_find_idev+0x102/0x170
[ 4650.331940][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4650.331940][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4650.331940][T12167]      netlink_rcv_skb+0x130/0x360
[ 4650.331940][T12167]      netlink_unicast+0x449/0x710
[ 4650.331940][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4650.331940][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4650.331940][T12167]      ___sys_sendmsg+0xee/0x170
[ 4650.331940][T12167]      __sys_sendmsg+0xcd/0x170
[ 4650.331940][T12167]      do_syscall_64+0xc6/0x1e0
[ 4650.331940][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4650.331940][T12167] 
[ 4660.574738][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4660.575298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4660.575298][T12167]      netdev_get_by_index+0x5e/0x80
[ 4660.575298][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4660.575298][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4660.575298][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4660.575298][T12167]      ipv6_add_addr+0x411/0x2000
[ 4660.575298][T12167]      inet6_addr_add+0x30e/0xa40
[ 4660.575298][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4660.575298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4660.575298][T12167]      netlink_rcv_skb+0x130/0x360
[ 4660.575298][T12167]      netlink_unicast+0x449/0x710
[ 4660.575298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4660.575298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4660.575298][T12167]      ___sys_sendmsg+0xee/0x170
[ 4660.575298][T12167]      __sys_sendmsg+0xcd/0x170
[ 4660.575298][T12167]      do_syscall_64+0xc6/0x1e0
[ 4660.575298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4660.575298][T12167] 
[ 4660.578762][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4660.578762][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4660.578762][T12167]      ipv6_find_idev+0x102/0x170
[ 4660.578762][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4660.578762][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4660.578762][T12167]      netlink_rcv_skb+0x130/0x360
[ 4660.578762][T12167]      netlink_unicast+0x449/0x710
[ 4660.578762][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4660.578762][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4660.578762][T12167]      ___sys_sendmsg+0xee/0x170
[ 4660.578762][T12167]      __sys_sendmsg+0xcd/0x170
[ 4660.578762][T12167]      do_syscall_64+0xc6/0x1e0
[ 4660.578762][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4660.578762][T12167] 
[ 4660.581378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4660.581378][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4660.581378][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4660.581378][T12167]      ipv6_find_idev+0x102/0x170
[ 4660.581378][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4660.581378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4660.581378][T12167]      netlink_rcv_skb+0x130/0x360
[ 4660.581378][T12167]      netlink_unicast+0x449/0x710
[ 4660.581378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4660.581378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4660.581378][T12167]      ___sys_sendmsg+0xee/0x170
[ 4660.581378][T12167]      __sys_sendmsg+0xcd/0x170
[ 4660.581378][T12167]      do_syscall_64+0xc6/0x1e0
[ 4660.581378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4660.581378][T12167] 
[ 4670.774724][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4670.775243][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4670.775243][T12167]      netdev_get_by_index+0x5e/0x80
[ 4670.775243][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4670.775243][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4670.775243][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4670.775243][T12167]      ipv6_add_addr+0x411/0x2000
[ 4670.775243][T12167]      inet6_addr_add+0x30e/0xa40
[ 4670.775243][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4670.775243][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4670.775243][T12167]      netlink_rcv_skb+0x130/0x360
[ 4670.775243][T12167]      netlink_unicast+0x449/0x710
[ 4670.775243][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4670.775243][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4670.775243][T12167]      ___sys_sendmsg+0xee/0x170
[ 4670.775243][T12167]      __sys_sendmsg+0xcd/0x170
[ 4670.775243][T12167]      do_syscall_64+0xc6/0x1e0
[ 4670.775243][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4670.775243][T12167] 
[ 4670.777531][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4670.777531][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4670.777531][T12167]      ipv6_find_idev+0x102/0x170
[ 4670.777531][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4670.777531][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4670.777531][T12167]      netlink_rcv_skb+0x130/0x360
[ 4670.777531][T12167]      netlink_unicast+0x449/0x710
[ 4670.777531][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4670.777531][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4670.777531][T12167]      ___sys_sendmsg+0xee/0x170
[ 4670.777531][T12167]      __sys_sendmsg+0xcd/0x170
[ 4670.777531][T12167]      do_syscall_64+0xc6/0x1e0
[ 4670.777531][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4670.777531][T12167] 
[ 4670.779271][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4670.779271][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4670.779271][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4670.779271][T12167]      ipv6_find_idev+0x102/0x170
[ 4670.779271][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4670.779271][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4670.779271][T12167]      netlink_rcv_skb+0x130/0x360
[ 4670.779271][T12167]      netlink_unicast+0x449/0x710
[ 4670.779271][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4670.779271][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4670.779271][T12167]      ___sys_sendmsg+0xee/0x170
[ 4670.779271][T12167]      __sys_sendmsg+0xcd/0x170
[ 4670.779271][T12167]      do_syscall_64+0xc6/0x1e0
[ 4670.779271][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4670.779271][T12167] 
[ 4681.022729][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4681.023160][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4681.023160][T12167]      netdev_get_by_index+0x5e/0x80
[ 4681.023160][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4681.023160][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4681.023160][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4681.023160][T12167]      ipv6_add_addr+0x411/0x2000
[ 4681.023160][T12167]      inet6_addr_add+0x30e/0xa40
[ 4681.023160][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4681.023160][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4681.023160][T12167]      netlink_rcv_skb+0x130/0x360
[ 4681.023160][T12167]      netlink_unicast+0x449/0x710
[ 4681.023160][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4681.023160][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4681.023160][T12167]      ___sys_sendmsg+0xee/0x170
[ 4681.023160][T12167]      __sys_sendmsg+0xcd/0x170
[ 4681.023160][T12167]      do_syscall_64+0xc6/0x1e0
[ 4681.023160][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4681.023160][T12167] 
[ 4681.025514][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4681.025514][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4681.025514][T12167]      ipv6_find_idev+0x102/0x170
[ 4681.025514][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4681.025514][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4681.025514][T12167]      netlink_rcv_skb+0x130/0x360
[ 4681.025514][T12167]      netlink_unicast+0x449/0x710
[ 4681.025514][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4681.025514][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4681.025514][T12167]      ___sys_sendmsg+0xee/0x170
[ 4681.025514][T12167]      __sys_sendmsg+0xcd/0x170
[ 4681.025514][T12167]      do_syscall_64+0xc6/0x1e0
[ 4681.025514][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4681.025514][T12167] 
[ 4681.027252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4681.027252][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4681.027252][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4681.027252][T12167]      ipv6_find_idev+0x102/0x170
[ 4681.027252][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4681.027252][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4681.027252][T12167]      netlink_rcv_skb+0x130/0x360
[ 4681.027252][T12167]      netlink_unicast+0x449/0x710
[ 4681.027252][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4681.027252][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4681.027252][T12167]      ___sys_sendmsg+0xee/0x170
[ 4681.027252][T12167]      __sys_sendmsg+0xcd/0x170
[ 4681.027252][T12167]      do_syscall_64+0xc6/0x1e0
[ 4681.027252][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4681.027252][T12167] 
[ 4691.270801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4691.271315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4691.271315][T12167]      netdev_get_by_index+0x5e/0x80
[ 4691.271315][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4691.271315][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4691.271315][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4691.271315][T12167]      ipv6_add_addr+0x411/0x2000
[ 4691.271315][T12167]      inet6_addr_add+0x30e/0xa40
[ 4691.271315][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4691.271315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4691.271315][T12167]      netlink_rcv_skb+0x130/0x360
[ 4691.271315][T12167]      netlink_unicast+0x449/0x710
[ 4691.271315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4691.271315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4691.271315][T12167]      ___sys_sendmsg+0xee/0x170
[ 4691.271315][T12167]      __sys_sendmsg+0xcd/0x170
[ 4691.271315][T12167]      do_syscall_64+0xc6/0x1e0
[ 4691.271315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4691.271315][T12167] 
[ 4691.273666][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4691.273666][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4691.273666][T12167]      ipv6_find_idev+0x102/0x170
[ 4691.273666][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4691.273666][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4691.273666][T12167]      netlink_rcv_skb+0x130/0x360
[ 4691.273666][T12167]      netlink_unicast+0x449/0x710
[ 4691.273666][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4691.273666][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4691.273666][T12167]      ___sys_sendmsg+0xee/0x170
[ 4691.273666][T12167]      __sys_sendmsg+0xcd/0x170
[ 4691.273666][T12167]      do_syscall_64+0xc6/0x1e0
[ 4691.273666][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4691.273666][T12167] 
[ 4691.275467][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4691.275467][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4691.275467][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4691.275467][T12167]      ipv6_find_idev+0x102/0x170
[ 4691.275467][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4691.275467][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4691.275467][T12167]      netlink_rcv_skb+0x130/0x360
[ 4691.275467][T12167]      netlink_unicast+0x449/0x710
[ 4691.275467][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4691.275467][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4691.275467][T12167]      ___sys_sendmsg+0xee/0x170
[ 4691.275467][T12167]      __sys_sendmsg+0xcd/0x170
[ 4691.275467][T12167]      do_syscall_64+0xc6/0x1e0
[ 4691.275467][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4691.275467][T12167] 
[ 4701.430753][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4701.431244][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4701.431244][T12167]      netdev_get_by_index+0x5e/0x80
[ 4701.431244][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4701.431244][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4701.431244][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4701.431244][T12167]      ipv6_add_addr+0x411/0x2000
[ 4701.431244][T12167]      inet6_addr_add+0x30e/0xa40
[ 4701.431244][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4701.431244][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4701.431244][T12167]      netlink_rcv_skb+0x130/0x360
[ 4701.431244][T12167]      netlink_unicast+0x449/0x710
[ 4701.431244][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4701.431244][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4701.431244][T12167]      ___sys_sendmsg+0xee/0x170
[ 4701.431244][T12167]      __sys_sendmsg+0xcd/0x170
[ 4701.431244][T12167]      do_syscall_64+0xc6/0x1e0
[ 4701.431244][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4701.431244][T12167] 
[ 4701.433525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4701.433525][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4701.433525][T12167]      ipv6_find_idev+0x102/0x170
[ 4701.433525][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4701.433525][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4701.433525][T12167]      netlink_rcv_skb+0x130/0x360
[ 4701.433525][T12167]      netlink_unicast+0x449/0x710
[ 4701.433525][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4701.433525][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4701.433525][T12167]      ___sys_sendmsg+0xee/0x170
[ 4701.433525][T12167]      __sys_sendmsg+0xcd/0x170
[ 4701.433525][T12167]      do_syscall_64+0xc6/0x1e0
[ 4701.433525][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4701.433525][T12167] 
[ 4701.435261][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4701.435261][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4701.435261][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4701.435261][T12167]      ipv6_find_idev+0x102/0x170
[ 4701.435261][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4701.435261][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4701.435261][T12167]      netlink_rcv_skb+0x130/0x360
[ 4701.435261][T12167]      netlink_unicast+0x449/0x710
[ 4701.435261][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4701.435261][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4701.435261][T12167]      ___sys_sendmsg+0xee/0x170
[ 4701.435261][T12167]      __sys_sendmsg+0xcd/0x170
[ 4701.435261][T12167]      do_syscall_64+0xc6/0x1e0
[ 4701.435261][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4701.435261][T12167] 
[ 4711.478755][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4711.479306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4711.479306][T12167]      netdev_get_by_index+0x5e/0x80
[ 4711.479306][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4711.479306][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4711.479306][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4711.479306][T12167]      ipv6_add_addr+0x411/0x2000
[ 4711.479306][T12167]      inet6_addr_add+0x30e/0xa40
[ 4711.479306][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4711.479306][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4711.479306][T12167]      netlink_rcv_skb+0x130/0x360
[ 4711.479306][T12167]      netlink_unicast+0x449/0x710
[ 4711.479306][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4711.479306][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4711.479306][T12167]      ___sys_sendmsg+0xee/0x170
[ 4711.479306][T12167]      __sys_sendmsg+0xcd/0x170
[ 4711.479306][T12167]      do_syscall_64+0xc6/0x1e0
[ 4711.479306][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4711.479306][T12167] 
[ 4711.481704][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4711.481704][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4711.481704][T12167]      ipv6_find_idev+0x102/0x170
[ 4711.481704][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4711.481704][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4711.481704][T12167]      netlink_rcv_skb+0x130/0x360
[ 4711.481704][T12167]      netlink_unicast+0x449/0x710
[ 4711.481704][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4711.481704][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4711.481704][T12167]      ___sys_sendmsg+0xee/0x170
[ 4711.481704][T12167]      __sys_sendmsg+0xcd/0x170
[ 4711.481704][T12167]      do_syscall_64+0xc6/0x1e0
[ 4711.481704][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4711.481704][T12167] 
[ 4711.483450][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4711.483450][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4711.483450][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4711.483450][T12167]      ipv6_find_idev+0x102/0x170
[ 4711.483450][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4711.483450][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4711.483450][T12167]      netlink_rcv_skb+0x130/0x360
[ 4711.483450][T12167]      netlink_unicast+0x449/0x710
[ 4711.483450][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4711.483450][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4711.483450][T12167]      ___sys_sendmsg+0xee/0x170
[ 4711.483450][T12167]      __sys_sendmsg+0xcd/0x170
[ 4711.483450][T12167]      do_syscall_64+0xc6/0x1e0
[ 4711.483450][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4711.483450][T12167] 
[ 4721.558831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4721.559342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4721.559342][T12167]      netdev_get_by_index+0x5e/0x80
[ 4721.559342][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4721.559342][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4721.559342][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4721.559342][T12167]      ipv6_add_addr+0x411/0x2000
[ 4721.559342][T12167]      inet6_addr_add+0x30e/0xa40
[ 4721.559342][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4721.559342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4721.559342][T12167]      netlink_rcv_skb+0x130/0x360
[ 4721.559342][T12167]      netlink_unicast+0x449/0x710
[ 4721.559342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4721.559342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4721.559342][T12167]      ___sys_sendmsg+0xee/0x170
[ 4721.559342][T12167]      __sys_sendmsg+0xcd/0x170
[ 4721.559342][T12167]      do_syscall_64+0xc6/0x1e0
[ 4721.559342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4721.559342][T12167] 
[ 4721.561614][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4721.561614][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4721.561614][T12167]      ipv6_find_idev+0x102/0x170
[ 4721.561614][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4721.561614][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4721.561614][T12167]      netlink_rcv_skb+0x130/0x360
[ 4721.561614][T12167]      netlink_unicast+0x449/0x710
[ 4721.561614][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4721.561614][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4721.561614][T12167]      ___sys_sendmsg+0xee/0x170
[ 4721.561614][T12167]      __sys_sendmsg+0xcd/0x170
[ 4721.561614][T12167]      do_syscall_64+0xc6/0x1e0
[ 4721.561614][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4721.561614][T12167] 
[ 4721.563364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4721.563364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4721.563364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4721.563364][T12167]      ipv6_find_idev+0x102/0x170
[ 4721.563364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4721.563364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4721.563364][T12167]      netlink_rcv_skb+0x130/0x360
[ 4721.563364][T12167]      netlink_unicast+0x449/0x710
[ 4721.563364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4721.563364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4721.563364][T12167]      ___sys_sendmsg+0xee/0x170
[ 4721.563364][T12167]      __sys_sendmsg+0xcd/0x170
[ 4721.563364][T12167]      do_syscall_64+0xc6/0x1e0
[ 4721.563364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4721.563364][T12167] 
[ 4731.734736][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4731.735190][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4731.735190][T12167]      netdev_get_by_index+0x5e/0x80
[ 4731.735190][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4731.735190][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4731.735190][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4731.735190][T12167]      ipv6_add_addr+0x411/0x2000
[ 4731.735190][T12167]      inet6_addr_add+0x30e/0xa40
[ 4731.735190][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4731.735190][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4731.735190][T12167]      netlink_rcv_skb+0x130/0x360
[ 4731.735190][T12167]      netlink_unicast+0x449/0x710
[ 4731.735190][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4731.735190][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4731.735190][T12167]      ___sys_sendmsg+0xee/0x170
[ 4731.735190][T12167]      __sys_sendmsg+0xcd/0x170
[ 4731.735190][T12167]      do_syscall_64+0xc6/0x1e0
[ 4731.735190][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4731.735190][T12167] 
[ 4731.737543][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4731.737543][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4731.737543][T12167]      ipv6_find_idev+0x102/0x170
[ 4731.737543][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4731.737543][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4731.737543][T12167]      netlink_rcv_skb+0x130/0x360
[ 4731.737543][T12167]      netlink_unicast+0x449/0x710
[ 4731.737543][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4731.737543][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4731.737543][T12167]      ___sys_sendmsg+0xee/0x170
[ 4731.737543][T12167]      __sys_sendmsg+0xcd/0x170
[ 4731.737543][T12167]      do_syscall_64+0xc6/0x1e0
[ 4731.737543][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4731.737543][T12167] 
[ 4731.739280][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4731.739280][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4731.739280][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4731.739280][T12167]      ipv6_find_idev+0x102/0x170
[ 4731.739280][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4731.739280][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4731.739280][T12167]      netlink_rcv_skb+0x130/0x360
[ 4731.739280][T12167]      netlink_unicast+0x449/0x710
[ 4731.739280][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4731.739280][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4731.739280][T12167]      ___sys_sendmsg+0xee/0x170
[ 4731.739280][T12167]      __sys_sendmsg+0xcd/0x170
[ 4731.739280][T12167]      do_syscall_64+0xc6/0x1e0
[ 4731.739280][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4731.739280][T12167] 
[ 4741.790740][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4741.791236][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4741.791236][T12167]      netdev_get_by_index+0x5e/0x80
[ 4741.791236][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4741.791236][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4741.791236][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4741.791236][T12167]      ipv6_add_addr+0x411/0x2000
[ 4741.791236][T12167]      inet6_addr_add+0x30e/0xa40
[ 4741.791236][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4741.791236][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4741.791236][T12167]      netlink_rcv_skb+0x130/0x360
[ 4741.791236][T12167]      netlink_unicast+0x449/0x710
[ 4741.791236][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4741.791236][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4741.791236][T12167]      ___sys_sendmsg+0xee/0x170
[ 4741.791236][T12167]      __sys_sendmsg+0xcd/0x170
[ 4741.791236][T12167]      do_syscall_64+0xc6/0x1e0
[ 4741.791236][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4741.791236][T12167] 
[ 4741.793515][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4741.793515][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4741.793515][T12167]      ipv6_find_idev+0x102/0x170
[ 4741.793515][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4741.793515][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4741.793515][T12167]      netlink_rcv_skb+0x130/0x360
[ 4741.793515][T12167]      netlink_unicast+0x449/0x710
[ 4741.793515][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4741.793515][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4741.793515][T12167]      ___sys_sendmsg+0xee/0x170
[ 4741.793515][T12167]      __sys_sendmsg+0xcd/0x170
[ 4741.793515][T12167]      do_syscall_64+0xc6/0x1e0
[ 4741.793515][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4741.793515][T12167] 
[ 4741.795251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4741.795251][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4741.795251][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4741.795251][T12167]      ipv6_find_idev+0x102/0x170
[ 4741.795251][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4741.795251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4741.795251][T12167]      netlink_rcv_skb+0x130/0x360
[ 4741.795251][T12167]      netlink_unicast+0x449/0x710
[ 4741.795251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4741.795251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4741.795251][T12167]      ___sys_sendmsg+0xee/0x170
[ 4741.795251][T12167]      __sys_sendmsg+0xcd/0x170
[ 4741.795251][T12167]      do_syscall_64+0xc6/0x1e0
[ 4741.795251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4741.795251][T12167] 
[ 4751.806752][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4751.807255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4751.807255][T12167]      netdev_get_by_index+0x5e/0x80
[ 4751.807255][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4751.807255][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4751.807255][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4751.807255][T12167]      ipv6_add_addr+0x411/0x2000
[ 4751.807255][T12167]      inet6_addr_add+0x30e/0xa40
[ 4751.807255][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4751.807255][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4751.807255][T12167]      netlink_rcv_skb+0x130/0x360
[ 4751.807255][T12167]      netlink_unicast+0x449/0x710
[ 4751.807255][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4751.807255][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4751.807255][T12167]      ___sys_sendmsg+0xee/0x170
[ 4751.807255][T12167]      __sys_sendmsg+0xcd/0x170
[ 4751.807255][T12167]      do_syscall_64+0xc6/0x1e0
[ 4751.807255][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4751.807255][T12167] 
[ 4751.809525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4751.809525][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4751.809525][T12167]      ipv6_find_idev+0x102/0x170
[ 4751.809525][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4751.809525][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4751.809525][T12167]      netlink_rcv_skb+0x130/0x360
[ 4751.809525][T12167]      netlink_unicast+0x449/0x710
[ 4751.809525][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4751.809525][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4751.809525][T12167]      ___sys_sendmsg+0xee/0x170
[ 4751.809525][T12167]      __sys_sendmsg+0xcd/0x170
[ 4751.809525][T12167]      do_syscall_64+0xc6/0x1e0
[ 4751.809525][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4751.809525][T12167] 
[ 4751.811265][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4751.811265][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4751.811265][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4751.811265][T12167]      ipv6_find_idev+0x102/0x170
[ 4751.811265][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4751.811265][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4751.811265][T12167]      netlink_rcv_skb+0x130/0x360
[ 4751.811265][T12167]      netlink_unicast+0x449/0x710
[ 4751.811265][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4751.811265][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4751.811265][T12167]      ___sys_sendmsg+0xee/0x170
[ 4751.811265][T12167]      __sys_sendmsg+0xcd/0x170
[ 4751.811265][T12167]      do_syscall_64+0xc6/0x1e0
[ 4751.811265][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4751.811265][T12167] 
[ 4761.918742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4761.919230][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4761.919230][T12167]      netdev_get_by_index+0x5e/0x80
[ 4761.919230][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4761.919230][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4761.919230][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4761.919230][T12167]      ipv6_add_addr+0x411/0x2000
[ 4761.919230][T12167]      inet6_addr_add+0x30e/0xa40
[ 4761.919230][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4761.919230][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4761.919230][T12167]      netlink_rcv_skb+0x130/0x360
[ 4761.919230][T12167]      netlink_unicast+0x449/0x710
[ 4761.919230][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4761.919230][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4761.919230][T12167]      ___sys_sendmsg+0xee/0x170
[ 4761.919230][T12167]      __sys_sendmsg+0xcd/0x170
[ 4761.919230][T12167]      do_syscall_64+0xc6/0x1e0
[ 4761.919230][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4761.919230][T12167] 
[ 4761.921502][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4761.921502][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4761.921502][T12167]      ipv6_find_idev+0x102/0x170
[ 4761.921502][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4761.921502][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4761.921502][T12167]      netlink_rcv_skb+0x130/0x360
[ 4761.921502][T12167]      netlink_unicast+0x449/0x710
[ 4761.921502][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4761.921502][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4761.921502][T12167]      ___sys_sendmsg+0xee/0x170
[ 4761.921502][T12167]      __sys_sendmsg+0xcd/0x170
[ 4761.921502][T12167]      do_syscall_64+0xc6/0x1e0
[ 4761.921502][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4761.921502][T12167] 
[ 4761.923241][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4761.923241][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4761.923241][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4761.923241][T12167]      ipv6_find_idev+0x102/0x170
[ 4761.923241][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4761.923241][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4761.923241][T12167]      netlink_rcv_skb+0x130/0x360
[ 4761.923241][T12167]      netlink_unicast+0x449/0x710
[ 4761.923241][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4761.923241][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4761.923241][T12167]      ___sys_sendmsg+0xee/0x170
[ 4761.923241][T12167]      __sys_sendmsg+0xcd/0x170
[ 4761.923241][T12167]      do_syscall_64+0xc6/0x1e0
[ 4761.923241][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4761.923241][T12167] 
[ 4772.030747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4772.031248][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4772.031248][T12167]      netdev_get_by_index+0x5e/0x80
[ 4772.031248][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4772.031248][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4772.031248][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4772.031248][T12167]      ipv6_add_addr+0x411/0x2000
[ 4772.031248][T12167]      inet6_addr_add+0x30e/0xa40
[ 4772.031248][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4772.031248][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4772.031248][T12167]      netlink_rcv_skb+0x130/0x360
[ 4772.031248][T12167]      netlink_unicast+0x449/0x710
[ 4772.031248][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4772.031248][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4772.031248][T12167]      ___sys_sendmsg+0xee/0x170
[ 4772.031248][T12167]      __sys_sendmsg+0xcd/0x170
[ 4772.031248][T12167]      do_syscall_64+0xc6/0x1e0
[ 4772.031248][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4772.031248][T12167] 
[ 4772.033525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4772.033525][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4772.033525][T12167]      ipv6_find_idev+0x102/0x170
[ 4772.033525][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4772.033525][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4772.033525][T12167]      netlink_rcv_skb+0x130/0x360
[ 4772.033525][T12167]      netlink_unicast+0x449/0x710
[ 4772.033525][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4772.033525][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4772.033525][T12167]      ___sys_sendmsg+0xee/0x170
[ 4772.033525][T12167]      __sys_sendmsg+0xcd/0x170
[ 4772.033525][T12167]      do_syscall_64+0xc6/0x1e0
[ 4772.033525][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4772.033525][T12167] 
[ 4772.035268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4772.035268][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4772.035268][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4772.035268][T12167]      ipv6_find_idev+0x102/0x170
[ 4772.035268][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4772.035268][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4772.035268][T12167]      netlink_rcv_skb+0x130/0x360
[ 4772.035268][T12167]      netlink_unicast+0x449/0x710
[ 4772.035268][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4772.035268][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4772.035268][T12167]      ___sys_sendmsg+0xee/0x170
[ 4772.035268][T12167]      __sys_sendmsg+0xcd/0x170
[ 4772.035268][T12167]      do_syscall_64+0xc6/0x1e0
[ 4772.035268][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4772.035268][T12167] 
[ 4782.286757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4782.287246][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4782.287246][T12167]      netdev_get_by_index+0x5e/0x80
[ 4782.287246][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4782.287246][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4782.287246][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4782.287246][T12167]      ipv6_add_addr+0x411/0x2000
[ 4782.287246][T12167]      inet6_addr_add+0x30e/0xa40
[ 4782.287246][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4782.287246][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4782.287246][T12167]      netlink_rcv_skb+0x130/0x360
[ 4782.287246][T12167]      netlink_unicast+0x449/0x710
[ 4782.287246][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4782.287246][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4782.287246][T12167]      ___sys_sendmsg+0xee/0x170
[ 4782.287246][T12167]      __sys_sendmsg+0xcd/0x170
[ 4782.287246][T12167]      do_syscall_64+0xc6/0x1e0
[ 4782.287246][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4782.287246][T12167] 
[ 4782.289508][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4782.289508][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4782.289508][T12167]      ipv6_find_idev+0x102/0x170
[ 4782.289508][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4782.289508][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4782.289508][T12167]      netlink_rcv_skb+0x130/0x360
[ 4782.289508][T12167]      netlink_unicast+0x449/0x710
[ 4782.289508][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4782.289508][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4782.289508][T12167]      ___sys_sendmsg+0xee/0x170
[ 4782.289508][T12167]      __sys_sendmsg+0xcd/0x170
[ 4782.289508][T12167]      do_syscall_64+0xc6/0x1e0
[ 4782.289508][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4782.289508][T12167] 
[ 4782.291248][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4782.291248][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4782.291248][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4782.291248][T12167]      ipv6_find_idev+0x102/0x170
[ 4782.291248][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4782.291248][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4782.291248][T12167]      netlink_rcv_skb+0x130/0x360
[ 4782.291248][T12167]      netlink_unicast+0x449/0x710
[ 4782.291248][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4782.291248][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4782.291248][T12167]      ___sys_sendmsg+0xee/0x170
[ 4782.291248][T12167]      __sys_sendmsg+0xcd/0x170
[ 4782.291248][T12167]      do_syscall_64+0xc6/0x1e0
[ 4782.291248][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4782.291248][T12167] 
[ 4792.542804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4792.543305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4792.543305][T12167]      netdev_get_by_index+0x5e/0x80
[ 4792.543305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4792.543305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4792.543305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4792.543305][T12167]      ipv6_add_addr+0x411/0x2000
[ 4792.543305][T12167]      inet6_addr_add+0x30e/0xa40
[ 4792.543305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4792.543305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4792.543305][T12167]      netlink_rcv_skb+0x130/0x360
[ 4792.543305][T12167]      netlink_unicast+0x449/0x710
[ 4792.543305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4792.543305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4792.543305][T12167]      ___sys_sendmsg+0xee/0x170
[ 4792.543305][T12167]      __sys_sendmsg+0xcd/0x170
[ 4792.543305][T12167]      do_syscall_64+0xc6/0x1e0
[ 4792.543305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4792.543305][T12167] 
[ 4792.545561][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4792.545561][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4792.545561][T12167]      ipv6_find_idev+0x102/0x170
[ 4792.545561][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4792.545561][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4792.545561][T12167]      netlink_rcv_skb+0x130/0x360
[ 4792.545561][T12167]      netlink_unicast+0x449/0x710
[ 4792.545561][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4792.545561][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4792.545561][T12167]      ___sys_sendmsg+0xee/0x170
[ 4792.545561][T12167]      __sys_sendmsg+0xcd/0x170
[ 4792.545561][T12167]      do_syscall_64+0xc6/0x1e0
[ 4792.545561][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4792.545561][T12167] 
[ 4792.547297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4792.547297][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4792.547297][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4792.547297][T12167]      ipv6_find_idev+0x102/0x170
[ 4792.547297][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4792.547297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4792.547297][T12167]      netlink_rcv_skb+0x130/0x360
[ 4792.547297][T12167]      netlink_unicast+0x449/0x710
[ 4792.547297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4792.547297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4792.547297][T12167]      ___sys_sendmsg+0xee/0x170
[ 4792.547297][T12167]      __sys_sendmsg+0xcd/0x170
[ 4792.547297][T12167]      do_syscall_64+0xc6/0x1e0
[ 4792.547297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4792.547297][T12167] 
[ 4802.798817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4802.799264][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4802.799264][T12167]      netdev_get_by_index+0x5e/0x80
[ 4802.799264][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4802.799264][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4802.799264][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4802.799264][T12167]      ipv6_add_addr+0x411/0x2000
[ 4802.799264][T12167]      inet6_addr_add+0x30e/0xa40
[ 4802.799264][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4802.799264][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4802.799264][T12167]      netlink_rcv_skb+0x130/0x360
[ 4802.799264][T12167]      netlink_unicast+0x449/0x710
[ 4802.799264][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4802.799264][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4802.799264][T12167]      ___sys_sendmsg+0xee/0x170
[ 4802.799264][T12167]      __sys_sendmsg+0xcd/0x170
[ 4802.799264][T12167]      do_syscall_64+0xc6/0x1e0
[ 4802.799264][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4802.799264][T12167] 
[ 4802.801517][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4802.801517][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4802.801517][T12167]      ipv6_find_idev+0x102/0x170
[ 4802.801517][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4802.801517][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4802.801517][T12167]      netlink_rcv_skb+0x130/0x360
[ 4802.801517][T12167]      netlink_unicast+0x449/0x710
[ 4802.801517][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4802.801517][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4802.801517][T12167]      ___sys_sendmsg+0xee/0x170
[ 4802.801517][T12167]      __sys_sendmsg+0xcd/0x170
[ 4802.801517][T12167]      do_syscall_64+0xc6/0x1e0
[ 4802.801517][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4802.801517][T12167] 
[ 4802.805385][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4802.805385][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4802.805385][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4802.805385][T12167]      ipv6_find_idev+0x102/0x170
[ 4802.805385][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4802.805385][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4802.805385][T12167]      netlink_rcv_skb+0x130/0x360
[ 4802.805385][T12167]      netlink_unicast+0x449/0x710
[ 4802.805385][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4802.805385][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4802.805385][T12167]      ___sys_sendmsg+0xee/0x170
[ 4802.805385][T12167]      __sys_sendmsg+0xcd/0x170
[ 4802.805385][T12167]      do_syscall_64+0xc6/0x1e0
[ 4802.805385][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4802.805385][T12167] 
[ 4813.054724][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4813.055229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4813.055229][T12167]      netdev_get_by_index+0x5e/0x80
[ 4813.055229][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4813.055229][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4813.055229][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4813.055229][T12167]      ipv6_add_addr+0x411/0x2000
[ 4813.055229][T12167]      inet6_addr_add+0x30e/0xa40
[ 4813.055229][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4813.055229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4813.055229][T12167]      netlink_rcv_skb+0x130/0x360
[ 4813.055229][T12167]      netlink_unicast+0x449/0x710
[ 4813.055229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4813.055229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4813.055229][T12167]      ___sys_sendmsg+0xee/0x170
[ 4813.055229][T12167]      __sys_sendmsg+0xcd/0x170
[ 4813.055229][T12167]      do_syscall_64+0xc6/0x1e0
[ 4813.055229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4813.055229][T12167] 
[ 4813.057479][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4813.057479][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4813.057479][T12167]      ipv6_find_idev+0x102/0x170
[ 4813.057479][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4813.057479][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4813.057479][T12167]      netlink_rcv_skb+0x130/0x360
[ 4813.057479][T12167]      netlink_unicast+0x449/0x710
[ 4813.057479][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4813.057479][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4813.057479][T12167]      ___sys_sendmsg+0xee/0x170
[ 4813.057479][T12167]      __sys_sendmsg+0xcd/0x170
[ 4813.057479][T12167]      do_syscall_64+0xc6/0x1e0
[ 4813.057479][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4813.057479][T12167] 
[ 4813.059204][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4813.059204][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4813.059204][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4813.059204][T12167]      ipv6_find_idev+0x102/0x170
[ 4813.059204][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4813.059204][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4813.059204][T12167]      netlink_rcv_skb+0x130/0x360
[ 4813.059204][T12167]      netlink_unicast+0x449/0x710
[ 4813.059204][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4813.059204][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4813.059204][T12167]      ___sys_sendmsg+0xee/0x170
[ 4813.059204][T12167]      __sys_sendmsg+0xcd/0x170
[ 4813.059204][T12167]      do_syscall_64+0xc6/0x1e0
[ 4813.059204][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4813.059204][T12167] 
[ 4823.310728][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4823.311220][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4823.311220][T12167]      netdev_get_by_index+0x5e/0x80
[ 4823.311220][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4823.311220][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4823.311220][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4823.311220][T12167]      ipv6_add_addr+0x411/0x2000
[ 4823.311220][T12167]      inet6_addr_add+0x30e/0xa40
[ 4823.311220][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4823.311220][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4823.311220][T12167]      netlink_rcv_skb+0x130/0x360
[ 4823.311220][T12167]      netlink_unicast+0x449/0x710
[ 4823.311220][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4823.311220][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4823.311220][T12167]      ___sys_sendmsg+0xee/0x170
[ 4823.311220][T12167]      __sys_sendmsg+0xcd/0x170
[ 4823.311220][T12167]      do_syscall_64+0xc6/0x1e0
[ 4823.311220][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4823.311220][T12167] 
[ 4823.314015][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4823.314015][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4823.314015][T12167]      ipv6_find_idev+0x102/0x170
[ 4823.314015][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4823.314015][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4823.314015][T12167]      netlink_rcv_skb+0x130/0x360
[ 4823.314015][T12167]      netlink_unicast+0x449/0x710
[ 4823.314015][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4823.314015][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4823.314015][T12167]      ___sys_sendmsg+0xee/0x170
[ 4823.314015][T12167]      __sys_sendmsg+0xcd/0x170
[ 4823.314015][T12167]      do_syscall_64+0xc6/0x1e0
[ 4823.314015][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4823.314015][T12167] 
[ 4823.315744][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4823.315744][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4823.315744][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4823.315744][T12167]      ipv6_find_idev+0x102/0x170
[ 4823.315744][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4823.315744][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4823.315744][T12167]      netlink_rcv_skb+0x130/0x360
[ 4823.315744][T12167]      netlink_unicast+0x449/0x710
[ 4823.315744][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4823.315744][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4823.315744][T12167]      ___sys_sendmsg+0xee/0x170
[ 4823.315744][T12167]      __sys_sendmsg+0xcd/0x170
[ 4823.315744][T12167]      do_syscall_64+0xc6/0x1e0
[ 4823.315744][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4823.315744][T12167] 
[ 4833.566738][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4833.567249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4833.567249][T12167]      netdev_get_by_index+0x5e/0x80
[ 4833.567249][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4833.567249][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4833.567249][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4833.567249][T12167]      ipv6_add_addr+0x411/0x2000
[ 4833.567249][T12167]      inet6_addr_add+0x30e/0xa40
[ 4833.567249][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4833.567249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4833.567249][T12167]      netlink_rcv_skb+0x130/0x360
[ 4833.567249][T12167]      netlink_unicast+0x449/0x710
[ 4833.567249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4833.567249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4833.567249][T12167]      ___sys_sendmsg+0xee/0x170
[ 4833.567249][T12167]      __sys_sendmsg+0xcd/0x170
[ 4833.567249][T12167]      do_syscall_64+0xc6/0x1e0
[ 4833.567249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4833.567249][T12167] 
[ 4833.569521][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4833.569521][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4833.569521][T12167]      ipv6_find_idev+0x102/0x170
[ 4833.569521][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4833.569521][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4833.569521][T12167]      netlink_rcv_skb+0x130/0x360
[ 4833.569521][T12167]      netlink_unicast+0x449/0x710
[ 4833.569521][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4833.569521][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4833.569521][T12167]      ___sys_sendmsg+0xee/0x170
[ 4833.569521][T12167]      __sys_sendmsg+0xcd/0x170
[ 4833.569521][T12167]      do_syscall_64+0xc6/0x1e0
[ 4833.569521][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4833.569521][T12167] 
[ 4833.571250][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4833.571250][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4833.571250][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4833.571250][T12167]      ipv6_find_idev+0x102/0x170
[ 4833.571250][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4833.571250][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4833.571250][T12167]      netlink_rcv_skb+0x130/0x360
[ 4833.571250][T12167]      netlink_unicast+0x449/0x710
[ 4833.571250][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4833.571250][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4833.571250][T12167]      ___sys_sendmsg+0xee/0x170
[ 4833.571250][T12167]      __sys_sendmsg+0xcd/0x170
[ 4833.571250][T12167]      do_syscall_64+0xc6/0x1e0
[ 4833.571250][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4833.571250][T12167] 
[ 4843.774894][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4843.775388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4843.775388][T12167]      netdev_get_by_index+0x5e/0x80
[ 4843.775388][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4843.775388][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4843.775388][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4843.775388][T12167]      ipv6_add_addr+0x411/0x2000
[ 4843.775388][T12167]      inet6_addr_add+0x30e/0xa40
[ 4843.775388][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4843.775388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4843.775388][T12167]      netlink_rcv_skb+0x130/0x360
[ 4843.775388][T12167]      netlink_unicast+0x449/0x710
[ 4843.775388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4843.775388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4843.775388][T12167]      ___sys_sendmsg+0xee/0x170
[ 4843.775388][T12167]      __sys_sendmsg+0xcd/0x170
[ 4843.775388][T12167]      do_syscall_64+0xc6/0x1e0
[ 4843.775388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4843.775388][T12167] 
[ 4843.777670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4843.777670][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4843.777670][T12167]      ipv6_find_idev+0x102/0x170
[ 4843.777670][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4843.777670][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4843.777670][T12167]      netlink_rcv_skb+0x130/0x360
[ 4843.777670][T12167]      netlink_unicast+0x449/0x710
[ 4843.777670][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4843.777670][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4843.777670][T12167]      ___sys_sendmsg+0xee/0x170
[ 4843.777670][T12167]      __sys_sendmsg+0xcd/0x170
[ 4843.777670][T12167]      do_syscall_64+0xc6/0x1e0
[ 4843.777670][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4843.777670][T12167] 
[ 4843.779426][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4843.779426][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4843.779426][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4843.779426][T12167]      ipv6_find_idev+0x102/0x170
[ 4843.779426][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4843.779426][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4843.779426][T12167]      netlink_rcv_skb+0x130/0x360
[ 4843.779426][T12167]      netlink_unicast+0x449/0x710
[ 4843.779426][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4843.779426][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4843.779426][T12167]      ___sys_sendmsg+0xee/0x170
[ 4843.779426][T12167]      __sys_sendmsg+0xcd/0x170
[ 4843.779426][T12167]      do_syscall_64+0xc6/0x1e0
[ 4843.779426][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4843.779426][T12167] 
[ 4853.950800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4853.951247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4853.951247][T12167]      netdev_get_by_index+0x5e/0x80
[ 4853.951247][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4853.951247][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4853.951247][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4853.951247][T12167]      ipv6_add_addr+0x411/0x2000
[ 4853.951247][T12167]      inet6_addr_add+0x30e/0xa40
[ 4853.951247][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4853.951247][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4853.951247][T12167]      netlink_rcv_skb+0x130/0x360
[ 4853.951247][T12167]      netlink_unicast+0x449/0x710
[ 4853.951247][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4853.951247][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4853.951247][T12167]      ___sys_sendmsg+0xee/0x170
[ 4853.951247][T12167]      __sys_sendmsg+0xcd/0x170
[ 4853.951247][T12167]      do_syscall_64+0xc6/0x1e0
[ 4853.951247][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4853.951247][T12167] 
[ 4853.953540][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4853.953540][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4853.953540][T12167]      ipv6_find_idev+0x102/0x170
[ 4853.953540][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4853.953540][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4853.953540][T12167]      netlink_rcv_skb+0x130/0x360
[ 4853.953540][T12167]      netlink_unicast+0x449/0x710
[ 4853.953540][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4853.953540][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4853.953540][T12167]      ___sys_sendmsg+0xee/0x170
[ 4853.953540][T12167]      __sys_sendmsg+0xcd/0x170
[ 4853.953540][T12167]      do_syscall_64+0xc6/0x1e0
[ 4853.953540][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4853.953540][T12167] 
[ 4853.955294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4853.955294][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4853.955294][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4853.955294][T12167]      ipv6_find_idev+0x102/0x170
[ 4853.955294][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4853.955294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4853.955294][T12167]      netlink_rcv_skb+0x130/0x360
[ 4853.955294][T12167]      netlink_unicast+0x449/0x710
[ 4853.955294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4853.955294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4853.955294][T12167]      ___sys_sendmsg+0xee/0x170
[ 4853.955294][T12167]      __sys_sendmsg+0xcd/0x170
[ 4853.955294][T12167]      do_syscall_64+0xc6/0x1e0
[ 4853.955294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4853.955294][T12167] 
[ 4864.198806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4864.199308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4864.199308][T12167]      netdev_get_by_index+0x5e/0x80
[ 4864.199308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4864.199308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4864.199308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4864.199308][T12167]      ipv6_add_addr+0x411/0x2000
[ 4864.199308][T12167]      inet6_addr_add+0x30e/0xa40
[ 4864.199308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4864.199308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4864.199308][T12167]      netlink_rcv_skb+0x130/0x360
[ 4864.199308][T12167]      netlink_unicast+0x449/0x710
[ 4864.199308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4864.199308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4864.199308][T12167]      ___sys_sendmsg+0xee/0x170
[ 4864.199308][T12167]      __sys_sendmsg+0xcd/0x170
[ 4864.199308][T12167]      do_syscall_64+0xc6/0x1e0
[ 4864.199308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4864.199308][T12167] 
[ 4864.201610][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4864.201610][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4864.201610][T12167]      ipv6_find_idev+0x102/0x170
[ 4864.201610][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4864.201610][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4864.201610][T12167]      netlink_rcv_skb+0x130/0x360
[ 4864.201610][T12167]      netlink_unicast+0x449/0x710
[ 4864.201610][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4864.201610][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4864.201610][T12167]      ___sys_sendmsg+0xee/0x170
[ 4864.201610][T12167]      __sys_sendmsg+0xcd/0x170
[ 4864.201610][T12167]      do_syscall_64+0xc6/0x1e0
[ 4864.201610][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4864.201610][T12167] 
[ 4864.203360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4864.203360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4864.203360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4864.203360][T12167]      ipv6_find_idev+0x102/0x170
[ 4864.203360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4864.203360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4864.203360][T12167]      netlink_rcv_skb+0x130/0x360
[ 4864.203360][T12167]      netlink_unicast+0x449/0x710
[ 4864.203360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4864.203360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4864.203360][T12167]      ___sys_sendmsg+0xee/0x170
[ 4864.203360][T12167]      __sys_sendmsg+0xcd/0x170
[ 4864.203360][T12167]      do_syscall_64+0xc6/0x1e0
[ 4864.203360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4864.203360][T12167] 
[ 4874.446888][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4874.447378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4874.447378][T12167]      netdev_get_by_index+0x5e/0x80
[ 4874.447378][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4874.447378][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4874.447378][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4874.447378][T12167]      ipv6_add_addr+0x411/0x2000
[ 4874.447378][T12167]      inet6_addr_add+0x30e/0xa40
[ 4874.447378][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4874.447378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4874.447378][T12167]      netlink_rcv_skb+0x130/0x360
[ 4874.447378][T12167]      netlink_unicast+0x449/0x710
[ 4874.447378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4874.447378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4874.447378][T12167]      ___sys_sendmsg+0xee/0x170
[ 4874.447378][T12167]      __sys_sendmsg+0xcd/0x170
[ 4874.447378][T12167]      do_syscall_64+0xc6/0x1e0
[ 4874.447378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4874.447378][T12167] 
[ 4874.449682][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4874.449682][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4874.449682][T12167]      ipv6_find_idev+0x102/0x170
[ 4874.449682][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4874.449682][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4874.449682][T12167]      netlink_rcv_skb+0x130/0x360
[ 4874.449682][T12167]      netlink_unicast+0x449/0x710
[ 4874.449682][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4874.449682][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4874.449682][T12167]      ___sys_sendmsg+0xee/0x170
[ 4874.449682][T12167]      __sys_sendmsg+0xcd/0x170
[ 4874.449682][T12167]      do_syscall_64+0xc6/0x1e0
[ 4874.449682][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4874.449682][T12167] 
[ 4874.451433][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4874.451433][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4874.451433][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4874.451433][T12167]      ipv6_find_idev+0x102/0x170
[ 4874.451433][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4874.451433][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4874.451433][T12167]      netlink_rcv_skb+0x130/0x360
[ 4874.451433][T12167]      netlink_unicast+0x449/0x710
[ 4874.451433][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4874.451433][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4874.451433][T12167]      ___sys_sendmsg+0xee/0x170
[ 4874.451433][T12167]      __sys_sendmsg+0xcd/0x170
[ 4874.451433][T12167]      do_syscall_64+0xc6/0x1e0
[ 4874.451433][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4874.451433][T12167] 
[ 4884.694755][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4884.695215][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4884.695215][T12167]      netdev_get_by_index+0x5e/0x80
[ 4884.695215][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4884.695215][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4884.695215][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4884.695215][T12167]      ipv6_add_addr+0x411/0x2000
[ 4884.695215][T12167]      inet6_addr_add+0x30e/0xa40
[ 4884.695215][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4884.695215][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4884.695215][T12167]      netlink_rcv_skb+0x130/0x360
[ 4884.695215][T12167]      netlink_unicast+0x449/0x710
[ 4884.695215][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4884.695215][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4884.695215][T12167]      ___sys_sendmsg+0xee/0x170
[ 4884.695215][T12167]      __sys_sendmsg+0xcd/0x170
[ 4884.695215][T12167]      do_syscall_64+0xc6/0x1e0
[ 4884.695215][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4884.695215][T12167] 
[ 4884.697489][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4884.697489][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4884.697489][T12167]      ipv6_find_idev+0x102/0x170
[ 4884.697489][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4884.697489][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4884.697489][T12167]      netlink_rcv_skb+0x130/0x360
[ 4884.697489][T12167]      netlink_unicast+0x449/0x710
[ 4884.697489][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4884.697489][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4884.697489][T12167]      ___sys_sendmsg+0xee/0x170
[ 4884.697489][T12167]      __sys_sendmsg+0xcd/0x170
[ 4884.697489][T12167]      do_syscall_64+0xc6/0x1e0
[ 4884.697489][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4884.697489][T12167] 
[ 4884.699236][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4884.699236][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4884.699236][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4884.699236][T12167]      ipv6_find_idev+0x102/0x170
[ 4884.699236][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4884.699236][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4884.699236][T12167]      netlink_rcv_skb+0x130/0x360
[ 4884.699236][T12167]      netlink_unicast+0x449/0x710
[ 4884.699236][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4884.699236][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4884.699236][T12167]      ___sys_sendmsg+0xee/0x170
[ 4884.699236][T12167]      __sys_sendmsg+0xcd/0x170
[ 4884.699236][T12167]      do_syscall_64+0xc6/0x1e0
[ 4884.699236][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4884.699236][T12167] 
[ 4894.942751][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4894.943230][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4894.943230][T12167]      netdev_get_by_index+0x5e/0x80
[ 4894.943230][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4894.943230][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4894.943230][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4894.943230][T12167]      ipv6_add_addr+0x411/0x2000
[ 4894.943230][T12167]      inet6_addr_add+0x30e/0xa40
[ 4894.943230][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4894.943230][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4894.943230][T12167]      netlink_rcv_skb+0x130/0x360
[ 4894.943230][T12167]      netlink_unicast+0x449/0x710
[ 4894.943230][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4894.943230][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4894.943230][T12167]      ___sys_sendmsg+0xee/0x170
[ 4894.943230][T12167]      __sys_sendmsg+0xcd/0x170
[ 4894.943230][T12167]      do_syscall_64+0xc6/0x1e0
[ 4894.943230][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4894.943230][T12167] 
[ 4894.945509][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4894.945509][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4894.945509][T12167]      ipv6_find_idev+0x102/0x170
[ 4894.945509][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4894.945509][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4894.945509][T12167]      netlink_rcv_skb+0x130/0x360
[ 4894.945509][T12167]      netlink_unicast+0x449/0x710
[ 4894.945509][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4894.945509][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4894.945509][T12167]      ___sys_sendmsg+0xee/0x170
[ 4894.945509][T12167]      __sys_sendmsg+0xcd/0x170
[ 4894.945509][T12167]      do_syscall_64+0xc6/0x1e0
[ 4894.945509][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4894.945509][T12167] 
[ 4894.947264][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4894.947264][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4894.947264][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4894.947264][T12167]      ipv6_find_idev+0x102/0x170
[ 4894.947264][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4894.947264][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4894.947264][T12167]      netlink_rcv_skb+0x130/0x360
[ 4894.947264][T12167]      netlink_unicast+0x449/0x710
[ 4894.947264][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4894.947264][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4894.947264][T12167]      ___sys_sendmsg+0xee/0x170
[ 4894.947264][T12167]      __sys_sendmsg+0xcd/0x170
[ 4894.947264][T12167]      do_syscall_64+0xc6/0x1e0
[ 4894.947264][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4894.947264][T12167] 
[ 4905.190752][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4905.191211][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4905.191211][T12167]      netdev_get_by_index+0x5e/0x80
[ 4905.191211][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4905.191211][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4905.191211][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4905.191211][T12167]      ipv6_add_addr+0x411/0x2000
[ 4905.191211][T12167]      inet6_addr_add+0x30e/0xa40
[ 4905.191211][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4905.191211][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4905.191211][T12167]      netlink_rcv_skb+0x130/0x360
[ 4905.191211][T12167]      netlink_unicast+0x449/0x710
[ 4905.191211][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4905.191211][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4905.191211][T12167]      ___sys_sendmsg+0xee/0x170
[ 4905.191211][T12167]      __sys_sendmsg+0xcd/0x170
[ 4905.191211][T12167]      do_syscall_64+0xc6/0x1e0
[ 4905.191211][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4905.191211][T12167] 
[ 4905.193492][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4905.193492][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4905.193492][T12167]      ipv6_find_idev+0x102/0x170
[ 4905.193492][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4905.193492][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4905.193492][T12167]      netlink_rcv_skb+0x130/0x360
[ 4905.193492][T12167]      netlink_unicast+0x449/0x710
[ 4905.193492][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4905.193492][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4905.193492][T12167]      ___sys_sendmsg+0xee/0x170
[ 4905.193492][T12167]      __sys_sendmsg+0xcd/0x170
[ 4905.193492][T12167]      do_syscall_64+0xc6/0x1e0
[ 4905.193492][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4905.193492][T12167] 
[ 4905.195249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4905.195249][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4905.195249][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4905.195249][T12167]      ipv6_find_idev+0x102/0x170
[ 4905.195249][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4905.195249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4905.195249][T12167]      netlink_rcv_skb+0x130/0x360
[ 4905.195249][T12167]      netlink_unicast+0x449/0x710
[ 4905.195249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4905.195249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4905.195249][T12167]      ___sys_sendmsg+0xee/0x170
[ 4905.195249][T12167]      __sys_sendmsg+0xcd/0x170
[ 4905.195249][T12167]      do_syscall_64+0xc6/0x1e0
[ 4905.195249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4905.195249][T12167] 
[ 4915.430813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4915.431305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4915.431305][T12167]      netdev_get_by_index+0x5e/0x80
[ 4915.431305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4915.431305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4915.431305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4915.431305][T12167]      ipv6_add_addr+0x411/0x2000
[ 4915.431305][T12167]      inet6_addr_add+0x30e/0xa40
[ 4915.431305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4915.431305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4915.431305][T12167]      netlink_rcv_skb+0x130/0x360
[ 4915.431305][T12167]      netlink_unicast+0x449/0x710
[ 4915.431305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4915.431305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4915.431305][T12167]      ___sys_sendmsg+0xee/0x170
[ 4915.431305][T12167]      __sys_sendmsg+0xcd/0x170
[ 4915.431305][T12167]      do_syscall_64+0xc6/0x1e0
[ 4915.431305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4915.431305][T12167] 
[ 4915.434134][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4915.434134][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4915.434134][T12167]      ipv6_find_idev+0x102/0x170
[ 4915.434134][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4915.434134][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4915.434134][T12167]      netlink_rcv_skb+0x130/0x360
[ 4915.434134][T12167]      netlink_unicast+0x449/0x710
[ 4915.434134][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4915.434134][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4915.434134][T12167]      ___sys_sendmsg+0xee/0x170
[ 4915.434134][T12167]      __sys_sendmsg+0xcd/0x170
[ 4915.434134][T12167]      do_syscall_64+0xc6/0x1e0
[ 4915.434134][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4915.434134][T12167] 
[ 4915.435882][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4915.435882][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4915.435882][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4915.435882][T12167]      ipv6_find_idev+0x102/0x170
[ 4915.435882][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4915.435882][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4915.435882][T12167]      netlink_rcv_skb+0x130/0x360
[ 4915.435882][T12167]      netlink_unicast+0x449/0x710
[ 4915.435882][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4915.435882][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4915.435882][T12167]      ___sys_sendmsg+0xee/0x170
[ 4915.435882][T12167]      __sys_sendmsg+0xcd/0x170
[ 4915.435882][T12167]      do_syscall_64+0xc6/0x1e0
[ 4915.435882][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4915.435882][T12167] 
[ 4925.678820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4925.679335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4925.679335][T12167]      netdev_get_by_index+0x5e/0x80
[ 4925.679335][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4925.679335][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4925.679335][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4925.679335][T12167]      ipv6_add_addr+0x411/0x2000
[ 4925.679335][T12167]      inet6_addr_add+0x30e/0xa40
[ 4925.679335][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4925.679335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4925.679335][T12167]      netlink_rcv_skb+0x130/0x360
[ 4925.679335][T12167]      netlink_unicast+0x449/0x710
[ 4925.679335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4925.679335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4925.679335][T12167]      ___sys_sendmsg+0xee/0x170
[ 4925.679335][T12167]      __sys_sendmsg+0xcd/0x170
[ 4925.679335][T12167]      do_syscall_64+0xc6/0x1e0
[ 4925.679335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4925.679335][T12167] 
[ 4925.681639][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4925.681639][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4925.681639][T12167]      ipv6_find_idev+0x102/0x170
[ 4925.681639][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4925.681639][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4925.681639][T12167]      netlink_rcv_skb+0x130/0x360
[ 4925.681639][T12167]      netlink_unicast+0x449/0x710
[ 4925.681639][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4925.681639][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4925.681639][T12167]      ___sys_sendmsg+0xee/0x170
[ 4925.681639][T12167]      __sys_sendmsg+0xcd/0x170
[ 4925.681639][T12167]      do_syscall_64+0xc6/0x1e0
[ 4925.681639][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4925.681639][T12167] 
[ 4925.683393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4925.683393][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4925.683393][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4925.683393][T12167]      ipv6_find_idev+0x102/0x170
[ 4925.683393][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4925.683393][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4925.683393][T12167]      netlink_rcv_skb+0x130/0x360
[ 4925.683393][T12167]      netlink_unicast+0x449/0x710
[ 4925.683393][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4925.683393][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4925.683393][T12167]      ___sys_sendmsg+0xee/0x170
[ 4925.683393][T12167]      __sys_sendmsg+0xcd/0x170
[ 4925.683393][T12167]      do_syscall_64+0xc6/0x1e0
[ 4925.683393][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4925.683393][T12167] 
[ 4935.702747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4935.703219][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4935.703219][T12167]      netdev_get_by_index+0x5e/0x80
[ 4935.703219][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4935.703219][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4935.703219][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4935.703219][T12167]      ipv6_add_addr+0x411/0x2000
[ 4935.703219][T12167]      inet6_addr_add+0x30e/0xa40
[ 4935.703219][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4935.703219][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4935.703219][T12167]      netlink_rcv_skb+0x130/0x360
[ 4935.703219][T12167]      netlink_unicast+0x449/0x710
[ 4935.703219][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4935.703219][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4935.703219][T12167]      ___sys_sendmsg+0xee/0x170
[ 4935.703219][T12167]      __sys_sendmsg+0xcd/0x170
[ 4935.703219][T12167]      do_syscall_64+0xc6/0x1e0
[ 4935.703219][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4935.703219][T12167] 
[ 4935.705565][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4935.705565][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4935.705565][T12167]      ipv6_find_idev+0x102/0x170
[ 4935.705565][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4935.705565][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4935.705565][T12167]      netlink_rcv_skb+0x130/0x360
[ 4935.705565][T12167]      netlink_unicast+0x449/0x710
[ 4935.705565][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4935.705565][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4935.705565][T12167]      ___sys_sendmsg+0xee/0x170
[ 4935.705565][T12167]      __sys_sendmsg+0xcd/0x170
[ 4935.705565][T12167]      do_syscall_64+0xc6/0x1e0
[ 4935.705565][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4935.705565][T12167] 
[ 4935.707324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4935.707324][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4935.707324][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4935.707324][T12167]      ipv6_find_idev+0x102/0x170
[ 4935.707324][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4935.707324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4935.707324][T12167]      netlink_rcv_skb+0x130/0x360
[ 4935.707324][T12167]      netlink_unicast+0x449/0x710
[ 4935.707324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4935.707324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4935.707324][T12167]      ___sys_sendmsg+0xee/0x170
[ 4935.707324][T12167]      __sys_sendmsg+0xcd/0x170
[ 4935.707324][T12167]      do_syscall_64+0xc6/0x1e0
[ 4935.707324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4935.707324][T12167] 
[ 4945.846773][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4945.847206][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4945.847206][T12167]      netdev_get_by_index+0x5e/0x80
[ 4945.847206][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4945.847206][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4945.847206][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4945.847206][T12167]      ipv6_add_addr+0x411/0x2000
[ 4945.847206][T12167]      inet6_addr_add+0x30e/0xa40
[ 4945.847206][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4945.847206][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4945.847206][T12167]      netlink_rcv_skb+0x130/0x360
[ 4945.847206][T12167]      netlink_unicast+0x449/0x710
[ 4945.847206][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4945.847206][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4945.847206][T12167]      ___sys_sendmsg+0xee/0x170
[ 4945.847206][T12167]      __sys_sendmsg+0xcd/0x170
[ 4945.847206][T12167]      do_syscall_64+0xc6/0x1e0
[ 4945.847206][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4945.847206][T12167] 
[ 4945.849549][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4945.849549][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4945.849549][T12167]      ipv6_find_idev+0x102/0x170
[ 4945.849549][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4945.849549][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4945.849549][T12167]      netlink_rcv_skb+0x130/0x360
[ 4945.849549][T12167]      netlink_unicast+0x449/0x710
[ 4945.849549][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4945.849549][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4945.849549][T12167]      ___sys_sendmsg+0xee/0x170
[ 4945.849549][T12167]      __sys_sendmsg+0xcd/0x170
[ 4945.849549][T12167]      do_syscall_64+0xc6/0x1e0
[ 4945.849549][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4945.849549][T12167] 
[ 4945.851378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4945.851378][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4945.851378][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4945.851378][T12167]      ipv6_find_idev+0x102/0x170
[ 4945.851378][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4945.851378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4945.851378][T12167]      netlink_rcv_skb+0x130/0x360
[ 4945.851378][T12167]      netlink_unicast+0x449/0x710
[ 4945.851378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4945.851378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4945.851378][T12167]      ___sys_sendmsg+0xee/0x170
[ 4945.851378][T12167]      __sys_sendmsg+0xcd/0x170
[ 4945.851378][T12167]      do_syscall_64+0xc6/0x1e0
[ 4945.851378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4945.851378][T12167] 
[ 4956.094820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4956.095530][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4956.095530][T12167]      netdev_get_by_index+0x5e/0x80
[ 4956.095530][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4956.095530][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4956.095530][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4956.095530][T12167]      ipv6_add_addr+0x411/0x2000
[ 4956.095530][T12167]      inet6_addr_add+0x30e/0xa40
[ 4956.095530][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4956.095530][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4956.095530][T12167]      netlink_rcv_skb+0x130/0x360
[ 4956.095530][T12167]      netlink_unicast+0x449/0x710
[ 4956.095530][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4956.095530][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4956.095530][T12167]      ___sys_sendmsg+0xee/0x170
[ 4956.095530][T12167]      __sys_sendmsg+0xcd/0x170
[ 4956.095530][T12167]      do_syscall_64+0xc6/0x1e0
[ 4956.095530][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4956.095530][T12167] 
[ 4956.099533][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4956.099533][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4956.099533][T12167]      ipv6_find_idev+0x102/0x170
[ 4956.099533][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4956.099533][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4956.099533][T12167]      netlink_rcv_skb+0x130/0x360
[ 4956.099533][T12167]      netlink_unicast+0x449/0x710
[ 4956.099533][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4956.099533][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4956.099533][T12167]      ___sys_sendmsg+0xee/0x170
[ 4956.099533][T12167]      __sys_sendmsg+0xcd/0x170
[ 4956.099533][T12167]      do_syscall_64+0xc6/0x1e0
[ 4956.099533][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4956.099533][T12167] 
[ 4956.103229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4956.103229][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4956.103229][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4956.103229][T12167]      ipv6_find_idev+0x102/0x170
[ 4956.103229][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4956.103229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4956.103229][T12167]      netlink_rcv_skb+0x130/0x360
[ 4956.103229][T12167]      netlink_unicast+0x449/0x710
[ 4956.103229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4956.103229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4956.103229][T12167]      ___sys_sendmsg+0xee/0x170
[ 4956.103229][T12167]      __sys_sendmsg+0xcd/0x170
[ 4956.103229][T12167]      do_syscall_64+0xc6/0x1e0
[ 4956.103229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4956.103229][T12167] 
[ 4966.342742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4966.343231][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4966.343231][T12167]      netdev_get_by_index+0x5e/0x80
[ 4966.343231][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4966.343231][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4966.343231][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4966.343231][T12167]      ipv6_add_addr+0x411/0x2000
[ 4966.343231][T12167]      inet6_addr_add+0x30e/0xa40
[ 4966.343231][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4966.343231][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4966.343231][T12167]      netlink_rcv_skb+0x130/0x360
[ 4966.343231][T12167]      netlink_unicast+0x449/0x710
[ 4966.343231][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4966.343231][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4966.343231][T12167]      ___sys_sendmsg+0xee/0x170
[ 4966.343231][T12167]      __sys_sendmsg+0xcd/0x170
[ 4966.343231][T12167]      do_syscall_64+0xc6/0x1e0
[ 4966.343231][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4966.343231][T12167] 
[ 4966.345593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4966.345593][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4966.345593][T12167]      ipv6_find_idev+0x102/0x170
[ 4966.345593][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4966.345593][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4966.345593][T12167]      netlink_rcv_skb+0x130/0x360
[ 4966.345593][T12167]      netlink_unicast+0x449/0x710
[ 4966.345593][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4966.345593][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4966.345593][T12167]      ___sys_sendmsg+0xee/0x170
[ 4966.345593][T12167]      __sys_sendmsg+0xcd/0x170
[ 4966.345593][T12167]      do_syscall_64+0xc6/0x1e0
[ 4966.345593][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4966.345593][T12167] 
[ 4966.348000][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4966.348000][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4966.348000][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4966.348000][T12167]      ipv6_find_idev+0x102/0x170
[ 4966.348000][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4966.348000][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4966.348000][T12167]      netlink_rcv_skb+0x130/0x360
[ 4966.348000][T12167]      netlink_unicast+0x449/0x710
[ 4966.348000][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4966.348000][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4966.348000][T12167]      ___sys_sendmsg+0xee/0x170
[ 4966.348000][T12167]      __sys_sendmsg+0xcd/0x170
[ 4966.348000][T12167]      do_syscall_64+0xc6/0x1e0
[ 4966.348000][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4966.348000][T12167] 
[ 4976.590830][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4976.591363][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4976.591363][T12167]      netdev_get_by_index+0x5e/0x80
[ 4976.591363][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4976.591363][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4976.591363][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4976.591363][T12167]      ipv6_add_addr+0x411/0x2000
[ 4976.591363][T12167]      inet6_addr_add+0x30e/0xa40
[ 4976.591363][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4976.591363][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4976.591363][T12167]      netlink_rcv_skb+0x130/0x360
[ 4976.591363][T12167]      netlink_unicast+0x449/0x710
[ 4976.591363][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4976.591363][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4976.591363][T12167]      ___sys_sendmsg+0xee/0x170
[ 4976.591363][T12167]      __sys_sendmsg+0xcd/0x170
[ 4976.591363][T12167]      do_syscall_64+0xc6/0x1e0
[ 4976.591363][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4976.591363][T12167] 
[ 4976.593643][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4976.593643][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4976.593643][T12167]      ipv6_find_idev+0x102/0x170
[ 4976.593643][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4976.593643][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4976.593643][T12167]      netlink_rcv_skb+0x130/0x360
[ 4976.593643][T12167]      netlink_unicast+0x449/0x710
[ 4976.593643][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4976.593643][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4976.593643][T12167]      ___sys_sendmsg+0xee/0x170
[ 4976.593643][T12167]      __sys_sendmsg+0xcd/0x170
[ 4976.593643][T12167]      do_syscall_64+0xc6/0x1e0
[ 4976.593643][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4976.593643][T12167] 
[ 4976.595401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4976.595401][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4976.595401][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4976.595401][T12167]      ipv6_find_idev+0x102/0x170
[ 4976.595401][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4976.595401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4976.595401][T12167]      netlink_rcv_skb+0x130/0x360
[ 4976.595401][T12167]      netlink_unicast+0x449/0x710
[ 4976.595401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4976.595401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4976.595401][T12167]      ___sys_sendmsg+0xee/0x170
[ 4976.595401][T12167]      __sys_sendmsg+0xcd/0x170
[ 4976.595401][T12167]      do_syscall_64+0xc6/0x1e0
[ 4976.595401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4976.595401][T12167] 
[ 4986.798804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4986.799313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4986.799313][T12167]      netdev_get_by_index+0x5e/0x80
[ 4986.799313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4986.799313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4986.799313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4986.799313][T12167]      ipv6_add_addr+0x411/0x2000
[ 4986.799313][T12167]      inet6_addr_add+0x30e/0xa40
[ 4986.799313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4986.799313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4986.799313][T12167]      netlink_rcv_skb+0x130/0x360
[ 4986.799313][T12167]      netlink_unicast+0x449/0x710
[ 4986.799313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4986.799313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4986.799313][T12167]      ___sys_sendmsg+0xee/0x170
[ 4986.799313][T12167]      __sys_sendmsg+0xcd/0x170
[ 4986.799313][T12167]      do_syscall_64+0xc6/0x1e0
[ 4986.799313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4986.799313][T12167] 
[ 4986.801592][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4986.801592][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4986.801592][T12167]      ipv6_find_idev+0x102/0x170
[ 4986.801592][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4986.801592][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4986.801592][T12167]      netlink_rcv_skb+0x130/0x360
[ 4986.801592][T12167]      netlink_unicast+0x449/0x710
[ 4986.801592][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4986.801592][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4986.801592][T12167]      ___sys_sendmsg+0xee/0x170
[ 4986.801592][T12167]      __sys_sendmsg+0xcd/0x170
[ 4986.801592][T12167]      do_syscall_64+0xc6/0x1e0
[ 4986.801592][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4986.801592][T12167] 
[ 4986.803357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4986.803357][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4986.803357][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4986.803357][T12167]      ipv6_find_idev+0x102/0x170
[ 4986.803357][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4986.803357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4986.803357][T12167]      netlink_rcv_skb+0x130/0x360
[ 4986.803357][T12167]      netlink_unicast+0x449/0x710
[ 4986.803357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4986.803357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4986.803357][T12167]      ___sys_sendmsg+0xee/0x170
[ 4986.803357][T12167]      __sys_sendmsg+0xcd/0x170
[ 4986.803357][T12167]      do_syscall_64+0xc6/0x1e0
[ 4986.803357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4986.803357][T12167] 
[ 4997.046800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 4997.047338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4997.047338][T12167]      netdev_get_by_index+0x5e/0x80
[ 4997.047338][T12167]      fib6_nh_init+0x3d8/0x1580
[ 4997.047338][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 4997.047338][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 4997.047338][T12167]      ipv6_add_addr+0x411/0x2000
[ 4997.047338][T12167]      inet6_addr_add+0x30e/0xa40
[ 4997.047338][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 4997.047338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4997.047338][T12167]      netlink_rcv_skb+0x130/0x360
[ 4997.047338][T12167]      netlink_unicast+0x449/0x710
[ 4997.047338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4997.047338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4997.047338][T12167]      ___sys_sendmsg+0xee/0x170
[ 4997.047338][T12167]      __sys_sendmsg+0xcd/0x170
[ 4997.047338][T12167]      do_syscall_64+0xc6/0x1e0
[ 4997.047338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4997.047338][T12167] 
[ 4997.049603][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4997.049603][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 4997.049603][T12167]      ipv6_find_idev+0x102/0x170
[ 4997.049603][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4997.049603][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4997.049603][T12167]      netlink_rcv_skb+0x130/0x360
[ 4997.049603][T12167]      netlink_unicast+0x449/0x710
[ 4997.049603][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4997.049603][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4997.049603][T12167]      ___sys_sendmsg+0xee/0x170
[ 4997.049603][T12167]      __sys_sendmsg+0xcd/0x170
[ 4997.049603][T12167]      do_syscall_64+0xc6/0x1e0
[ 4997.049603][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4997.049603][T12167] 
[ 4997.051345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 4997.051345][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 4997.051345][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 4997.051345][T12167]      ipv6_find_idev+0x102/0x170
[ 4997.051345][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4997.051345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4997.051345][T12167]      netlink_rcv_skb+0x130/0x360
[ 4997.051345][T12167]      netlink_unicast+0x449/0x710
[ 4997.051345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 4997.051345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 4997.051345][T12167]      ___sys_sendmsg+0xee/0x170
[ 4997.051345][T12167]      __sys_sendmsg+0xcd/0x170
[ 4997.051345][T12167]      do_syscall_64+0xc6/0x1e0
[ 4997.051345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4997.051345][T12167] 
[ 5007.094826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5007.095317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5007.095317][T12167]      netdev_get_by_index+0x5e/0x80
[ 5007.095317][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5007.095317][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5007.095317][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5007.095317][T12167]      ipv6_add_addr+0x411/0x2000
[ 5007.095317][T12167]      inet6_addr_add+0x30e/0xa40
[ 5007.095317][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5007.095317][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5007.095317][T12167]      netlink_rcv_skb+0x130/0x360
[ 5007.095317][T12167]      netlink_unicast+0x449/0x710
[ 5007.095317][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5007.095317][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5007.095317][T12167]      ___sys_sendmsg+0xee/0x170
[ 5007.095317][T12167]      __sys_sendmsg+0xcd/0x170
[ 5007.095317][T12167]      do_syscall_64+0xc6/0x1e0
[ 5007.095317][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5007.095317][T12167] 
[ 5007.097624][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5007.097624][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5007.097624][T12167]      ipv6_find_idev+0x102/0x170
[ 5007.097624][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5007.097624][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5007.097624][T12167]      netlink_rcv_skb+0x130/0x360
[ 5007.097624][T12167]      netlink_unicast+0x449/0x710
[ 5007.097624][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5007.097624][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5007.097624][T12167]      ___sys_sendmsg+0xee/0x170
[ 5007.097624][T12167]      __sys_sendmsg+0xcd/0x170
[ 5007.097624][T12167]      do_syscall_64+0xc6/0x1e0
[ 5007.097624][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5007.097624][T12167] 
[ 5007.099372][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5007.099372][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5007.099372][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5007.099372][T12167]      ipv6_find_idev+0x102/0x170
[ 5007.099372][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5007.099372][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5007.099372][T12167]      netlink_rcv_skb+0x130/0x360
[ 5007.099372][T12167]      netlink_unicast+0x449/0x710
[ 5007.099372][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5007.099372][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5007.099372][T12167]      ___sys_sendmsg+0xee/0x170
[ 5007.099372][T12167]      __sys_sendmsg+0xcd/0x170
[ 5007.099372][T12167]      do_syscall_64+0xc6/0x1e0
[ 5007.099372][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5007.099372][T12167] 
[ 5017.206799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5017.207324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5017.207324][T12167]      netdev_get_by_index+0x5e/0x80
[ 5017.207324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5017.207324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5017.207324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5017.207324][T12167]      ipv6_add_addr+0x411/0x2000
[ 5017.207324][T12167]      inet6_addr_add+0x30e/0xa40
[ 5017.207324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5017.207324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5017.207324][T12167]      netlink_rcv_skb+0x130/0x360
[ 5017.207324][T12167]      netlink_unicast+0x449/0x710
[ 5017.207324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5017.207324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5017.207324][T12167]      ___sys_sendmsg+0xee/0x170
[ 5017.207324][T12167]      __sys_sendmsg+0xcd/0x170
[ 5017.207324][T12167]      do_syscall_64+0xc6/0x1e0
[ 5017.207324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5017.207324][T12167] 
[ 5017.209614][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5017.209614][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5017.209614][T12167]      ipv6_find_idev+0x102/0x170
[ 5017.209614][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5017.209614][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5017.209614][T12167]      netlink_rcv_skb+0x130/0x360
[ 5017.209614][T12167]      netlink_unicast+0x449/0x710
[ 5017.209614][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5017.209614][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5017.209614][T12167]      ___sys_sendmsg+0xee/0x170
[ 5017.209614][T12167]      __sys_sendmsg+0xcd/0x170
[ 5017.209614][T12167]      do_syscall_64+0xc6/0x1e0
[ 5017.209614][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5017.209614][T12167] 
[ 5017.294389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5017.294389][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5017.294389][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5017.294389][T12167]      ipv6_find_idev+0x102/0x170
[ 5017.294389][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5017.294389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5017.294389][T12167]      netlink_rcv_skb+0x130/0x360
[ 5017.294389][T12167]      netlink_unicast+0x449/0x710
[ 5017.294389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5017.294389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5017.294389][T12167]      ___sys_sendmsg+0xee/0x170
[ 5017.294389][T12167]      __sys_sendmsg+0xcd/0x170
[ 5017.294389][T12167]      do_syscall_64+0xc6/0x1e0
[ 5017.294389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5017.294389][T12167] 
[ 5027.734835][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5027.735323][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5027.735323][T12167]      netdev_get_by_index+0x5e/0x80
[ 5027.735323][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5027.735323][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5027.735323][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5027.735323][T12167]      ipv6_add_addr+0x411/0x2000
[ 5027.735323][T12167]      inet6_addr_add+0x30e/0xa40
[ 5027.735323][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5027.735323][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5027.735323][T12167]      netlink_rcv_skb+0x130/0x360
[ 5027.735323][T12167]      netlink_unicast+0x449/0x710
[ 5027.735323][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5027.735323][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5027.735323][T12167]      ___sys_sendmsg+0xee/0x170
[ 5027.735323][T12167]      __sys_sendmsg+0xcd/0x170
[ 5027.735323][T12167]      do_syscall_64+0xc6/0x1e0
[ 5027.735323][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5027.735323][T12167] 
[ 5027.737631][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5027.737631][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5027.737631][T12167]      ipv6_find_idev+0x102/0x170
[ 5027.737631][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5027.737631][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5027.737631][T12167]      netlink_rcv_skb+0x130/0x360
[ 5027.737631][T12167]      netlink_unicast+0x449/0x710
[ 5027.737631][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5027.737631][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5027.737631][T12167]      ___sys_sendmsg+0xee/0x170
[ 5027.737631][T12167]      __sys_sendmsg+0xcd/0x170
[ 5027.737631][T12167]      do_syscall_64+0xc6/0x1e0
[ 5027.737631][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5027.737631][T12167] 
[ 5027.739381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5027.739381][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5027.739381][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5027.739381][T12167]      ipv6_find_idev+0x102/0x170
[ 5027.739381][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5027.739381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5027.739381][T12167]      netlink_rcv_skb+0x130/0x360
[ 5027.739381][T12167]      netlink_unicast+0x449/0x710
[ 5027.739381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5027.739381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5027.739381][T12167]      ___sys_sendmsg+0xee/0x170
[ 5027.739381][T12167]      __sys_sendmsg+0xcd/0x170
[ 5027.739381][T12167]      do_syscall_64+0xc6/0x1e0
[ 5027.739381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5027.739381][T12167] 
[ 5037.846809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5037.847294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5037.847294][T12167]      netdev_get_by_index+0x5e/0x80
[ 5037.847294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5037.847294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5037.847294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5037.847294][T12167]      ipv6_add_addr+0x411/0x2000
[ 5037.847294][T12167]      inet6_addr_add+0x30e/0xa40
[ 5037.847294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5037.847294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5037.847294][T12167]      netlink_rcv_skb+0x130/0x360
[ 5037.847294][T12167]      netlink_unicast+0x449/0x710
[ 5037.847294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5037.847294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5037.847294][T12167]      ___sys_sendmsg+0xee/0x170
[ 5037.847294][T12167]      __sys_sendmsg+0xcd/0x170
[ 5037.847294][T12167]      do_syscall_64+0xc6/0x1e0
[ 5037.847294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5037.847294][T12167] 
[ 5037.849596][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5037.849596][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5037.849596][T12167]      ipv6_find_idev+0x102/0x170
[ 5037.849596][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5037.849596][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5037.849596][T12167]      netlink_rcv_skb+0x130/0x360
[ 5037.849596][T12167]      netlink_unicast+0x449/0x710
[ 5037.849596][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5037.849596][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5037.849596][T12167]      ___sys_sendmsg+0xee/0x170
[ 5037.849596][T12167]      __sys_sendmsg+0xcd/0x170
[ 5037.849596][T12167]      do_syscall_64+0xc6/0x1e0
[ 5037.849596][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5037.849596][T12167] 
[ 5037.851345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5037.851345][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5037.851345][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5037.851345][T12167]      ipv6_find_idev+0x102/0x170
[ 5037.851345][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5037.851345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5037.851345][T12167]      netlink_rcv_skb+0x130/0x360
[ 5037.851345][T12167]      netlink_unicast+0x449/0x710
[ 5037.851345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5037.851345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5037.851345][T12167]      ___sys_sendmsg+0xee/0x170
[ 5037.851345][T12167]      __sys_sendmsg+0xcd/0x170
[ 5037.851345][T12167]      do_syscall_64+0xc6/0x1e0
[ 5037.851345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5037.851345][T12167] 
[ 5048.094859][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5048.095294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5048.095294][T12167]      netdev_get_by_index+0x5e/0x80
[ 5048.095294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5048.095294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5048.095294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5048.095294][T12167]      ipv6_add_addr+0x411/0x2000
[ 5048.095294][T12167]      inet6_addr_add+0x30e/0xa40
[ 5048.095294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5048.095294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5048.095294][T12167]      netlink_rcv_skb+0x130/0x360
[ 5048.095294][T12167]      netlink_unicast+0x449/0x710
[ 5048.095294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5048.095294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5048.095294][T12167]      ___sys_sendmsg+0xee/0x170
[ 5048.095294][T12167]      __sys_sendmsg+0xcd/0x170
[ 5048.095294][T12167]      do_syscall_64+0xc6/0x1e0
[ 5048.095294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5048.095294][T12167] 
[ 5048.097600][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5048.097600][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5048.097600][T12167]      ipv6_find_idev+0x102/0x170
[ 5048.097600][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5048.097600][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5048.097600][T12167]      netlink_rcv_skb+0x130/0x360
[ 5048.097600][T12167]      netlink_unicast+0x449/0x710
[ 5048.097600][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5048.097600][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5048.097600][T12167]      ___sys_sendmsg+0xee/0x170
[ 5048.097600][T12167]      __sys_sendmsg+0xcd/0x170
[ 5048.097600][T12167]      do_syscall_64+0xc6/0x1e0
[ 5048.097600][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5048.097600][T12167] 
[ 5048.099353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5048.099353][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5048.099353][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5048.099353][T12167]      ipv6_find_idev+0x102/0x170
[ 5048.099353][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5048.099353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5048.099353][T12167]      netlink_rcv_skb+0x130/0x360
[ 5048.099353][T12167]      netlink_unicast+0x449/0x710
[ 5048.099353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5048.099353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5048.099353][T12167]      ___sys_sendmsg+0xee/0x170
[ 5048.099353][T12167]      __sys_sendmsg+0xcd/0x170
[ 5048.099353][T12167]      do_syscall_64+0xc6/0x1e0
[ 5048.099353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5048.099353][T12167] 
[ 5058.198735][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5058.199267][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5058.199267][T12167]      netdev_get_by_index+0x5e/0x80
[ 5058.199267][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5058.199267][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5058.199267][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5058.199267][T12167]      ipv6_add_addr+0x411/0x2000
[ 5058.199267][T12167]      inet6_addr_add+0x30e/0xa40
[ 5058.199267][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5058.199267][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5058.199267][T12167]      netlink_rcv_skb+0x130/0x360
[ 5058.199267][T12167]      netlink_unicast+0x449/0x710
[ 5058.199267][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5058.199267][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5058.199267][T12167]      ___sys_sendmsg+0xee/0x170
[ 5058.199267][T12167]      __sys_sendmsg+0xcd/0x170
[ 5058.199267][T12167]      do_syscall_64+0xc6/0x1e0
[ 5058.199267][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5058.199267][T12167] 
[ 5058.202000][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5058.202000][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5058.202000][T12167]      ipv6_find_idev+0x102/0x170
[ 5058.202000][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5058.202000][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5058.202000][T12167]      netlink_rcv_skb+0x130/0x360
[ 5058.202000][T12167]      netlink_unicast+0x449/0x710
[ 5058.202000][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5058.202000][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5058.202000][T12167]      ___sys_sendmsg+0xee/0x170
[ 5058.202000][T12167]      __sys_sendmsg+0xcd/0x170
[ 5058.202000][T12167]      do_syscall_64+0xc6/0x1e0
[ 5058.202000][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5058.202000][T12167] 
[ 5058.204097][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5058.204097][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5058.204097][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5058.204097][T12167]      ipv6_find_idev+0x102/0x170
[ 5058.204097][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5058.204097][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5058.204097][T12167]      netlink_rcv_skb+0x130/0x360
[ 5058.204097][T12167]      netlink_unicast+0x449/0x710
[ 5058.204097][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5058.204097][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5058.204097][T12167]      ___sys_sendmsg+0xee/0x170
[ 5058.204097][T12167]      __sys_sendmsg+0xcd/0x170
[ 5058.204097][T12167]      do_syscall_64+0xc6/0x1e0
[ 5058.204097][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5058.204097][T12167] 
[ 5068.446727][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5068.447258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5068.447258][T12167]      netdev_get_by_index+0x5e/0x80
[ 5068.447258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5068.447258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5068.447258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5068.447258][T12167]      ipv6_add_addr+0x411/0x2000
[ 5068.447258][T12167]      inet6_addr_add+0x30e/0xa40
[ 5068.447258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5068.447258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5068.447258][T12167]      netlink_rcv_skb+0x130/0x360
[ 5068.447258][T12167]      netlink_unicast+0x449/0x710
[ 5068.447258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5068.447258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5068.447258][T12167]      ___sys_sendmsg+0xee/0x170
[ 5068.447258][T12167]      __sys_sendmsg+0xcd/0x170
[ 5068.447258][T12167]      do_syscall_64+0xc6/0x1e0
[ 5068.447258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5068.447258][T12167] 
[ 5068.450000][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5068.450000][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5068.450000][T12167]      ipv6_find_idev+0x102/0x170
[ 5068.450000][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5068.450000][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5068.450000][T12167]      netlink_rcv_skb+0x130/0x360
[ 5068.450000][T12167]      netlink_unicast+0x449/0x710
[ 5068.450000][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5068.450000][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5068.450000][T12167]      ___sys_sendmsg+0xee/0x170
[ 5068.450000][T12167]      __sys_sendmsg+0xcd/0x170
[ 5068.450000][T12167]      do_syscall_64+0xc6/0x1e0
[ 5068.450000][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5068.450000][T12167] 
[ 5068.452117][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5068.452117][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5068.452117][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5068.452117][T12167]      ipv6_find_idev+0x102/0x170
[ 5068.452117][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5068.452117][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5068.452117][T12167]      netlink_rcv_skb+0x130/0x360
[ 5068.452117][T12167]      netlink_unicast+0x449/0x710
[ 5068.452117][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5068.452117][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5068.452117][T12167]      ___sys_sendmsg+0xee/0x170
[ 5068.452117][T12167]      __sys_sendmsg+0xcd/0x170
[ 5068.452117][T12167]      do_syscall_64+0xc6/0x1e0
[ 5068.452117][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5068.452117][T12167] 
[ 5078.694881][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5078.695401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5078.695401][T12167]      netdev_get_by_index+0x5e/0x80
[ 5078.695401][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5078.695401][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5078.695401][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5078.695401][T12167]      ipv6_add_addr+0x411/0x2000
[ 5078.695401][T12167]      inet6_addr_add+0x30e/0xa40
[ 5078.695401][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5078.695401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5078.695401][T12167]      netlink_rcv_skb+0x130/0x360
[ 5078.695401][T12167]      netlink_unicast+0x449/0x710
[ 5078.695401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5078.695401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5078.695401][T12167]      ___sys_sendmsg+0xee/0x170
[ 5078.695401][T12167]      __sys_sendmsg+0xcd/0x170
[ 5078.695401][T12167]      do_syscall_64+0xc6/0x1e0
[ 5078.695401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5078.695401][T12167] 
[ 5078.697678][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5078.697678][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5078.697678][T12167]      ipv6_find_idev+0x102/0x170
[ 5078.697678][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5078.697678][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5078.697678][T12167]      netlink_rcv_skb+0x130/0x360
[ 5078.697678][T12167]      netlink_unicast+0x449/0x710
[ 5078.697678][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5078.697678][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5078.697678][T12167]      ___sys_sendmsg+0xee/0x170
[ 5078.697678][T12167]      __sys_sendmsg+0xcd/0x170
[ 5078.697678][T12167]      do_syscall_64+0xc6/0x1e0
[ 5078.697678][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5078.697678][T12167] 
[ 5078.699430][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5078.699430][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5078.699430][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5078.699430][T12167]      ipv6_find_idev+0x102/0x170
[ 5078.699430][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5078.699430][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5078.699430][T12167]      netlink_rcv_skb+0x130/0x360
[ 5078.699430][T12167]      netlink_unicast+0x449/0x710
[ 5078.699430][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5078.699430][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5078.699430][T12167]      ___sys_sendmsg+0xee/0x170
[ 5078.699430][T12167]      __sys_sendmsg+0xcd/0x170
[ 5078.699430][T12167]      do_syscall_64+0xc6/0x1e0
[ 5078.699430][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5078.699430][T12167] 
[ 5088.942745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5088.943232][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5088.943232][T12167]      netdev_get_by_index+0x5e/0x80
[ 5088.943232][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5088.943232][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5088.943232][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5088.943232][T12167]      ipv6_add_addr+0x411/0x2000
[ 5088.943232][T12167]      inet6_addr_add+0x30e/0xa40
[ 5088.943232][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5088.943232][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5088.943232][T12167]      netlink_rcv_skb+0x130/0x360
[ 5088.943232][T12167]      netlink_unicast+0x449/0x710
[ 5088.943232][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5088.943232][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5088.943232][T12167]      ___sys_sendmsg+0xee/0x170
[ 5088.943232][T12167]      __sys_sendmsg+0xcd/0x170
[ 5088.943232][T12167]      do_syscall_64+0xc6/0x1e0
[ 5088.943232][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5088.943232][T12167] 
[ 5088.946083][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5088.946083][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5088.946083][T12167]      ipv6_find_idev+0x102/0x170
[ 5088.946083][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5088.946083][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5088.946083][T12167]      netlink_rcv_skb+0x130/0x360
[ 5088.946083][T12167]      netlink_unicast+0x449/0x710
[ 5088.946083][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5088.946083][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5088.946083][T12167]      ___sys_sendmsg+0xee/0x170
[ 5088.946083][T12167]      __sys_sendmsg+0xcd/0x170
[ 5088.946083][T12167]      do_syscall_64+0xc6/0x1e0
[ 5088.946083][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5088.946083][T12167] 
[ 5088.947826][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5088.947826][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5088.947826][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5088.947826][T12167]      ipv6_find_idev+0x102/0x170
[ 5088.947826][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5088.947826][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5088.947826][T12167]      netlink_rcv_skb+0x130/0x360
[ 5088.947826][T12167]      netlink_unicast+0x449/0x710
[ 5088.947826][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5088.947826][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5088.947826][T12167]      ___sys_sendmsg+0xee/0x170
[ 5088.947826][T12167]      __sys_sendmsg+0xcd/0x170
[ 5088.947826][T12167]      do_syscall_64+0xc6/0x1e0
[ 5088.947826][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5088.947826][T12167] 
[ 5099.190831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5099.191335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5099.191335][T12167]      netdev_get_by_index+0x5e/0x80
[ 5099.191335][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5099.191335][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5099.191335][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5099.191335][T12167]      ipv6_add_addr+0x411/0x2000
[ 5099.191335][T12167]      inet6_addr_add+0x30e/0xa40
[ 5099.191335][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5099.191335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5099.191335][T12167]      netlink_rcv_skb+0x130/0x360
[ 5099.191335][T12167]      netlink_unicast+0x449/0x710
[ 5099.191335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5099.191335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5099.191335][T12167]      ___sys_sendmsg+0xee/0x170
[ 5099.191335][T12167]      __sys_sendmsg+0xcd/0x170
[ 5099.191335][T12167]      do_syscall_64+0xc6/0x1e0
[ 5099.191335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5099.191335][T12167] 
[ 5099.193639][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5099.193639][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5099.193639][T12167]      ipv6_find_idev+0x102/0x170
[ 5099.193639][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5099.193639][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5099.193639][T12167]      netlink_rcv_skb+0x130/0x360
[ 5099.193639][T12167]      netlink_unicast+0x449/0x710
[ 5099.193639][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5099.193639][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5099.193639][T12167]      ___sys_sendmsg+0xee/0x170
[ 5099.193639][T12167]      __sys_sendmsg+0xcd/0x170
[ 5099.193639][T12167]      do_syscall_64+0xc6/0x1e0
[ 5099.193639][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5099.193639][T12167] 
[ 5099.195374][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5099.195374][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5099.195374][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5099.195374][T12167]      ipv6_find_idev+0x102/0x170
[ 5099.195374][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5099.195374][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5099.195374][T12167]      netlink_rcv_skb+0x130/0x360
[ 5099.195374][T12167]      netlink_unicast+0x449/0x710
[ 5099.195374][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5099.195374][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5099.195374][T12167]      ___sys_sendmsg+0xee/0x170
[ 5099.195374][T12167]      __sys_sendmsg+0xcd/0x170
[ 5099.195374][T12167]      do_syscall_64+0xc6/0x1e0
[ 5099.195374][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5099.195374][T12167] 
[ 5109.438749][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5109.439183][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5109.439183][T12167]      netdev_get_by_index+0x5e/0x80
[ 5109.439183][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5109.439183][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5109.439183][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5109.439183][T12167]      ipv6_add_addr+0x411/0x2000
[ 5109.439183][T12167]      inet6_addr_add+0x30e/0xa40
[ 5109.439183][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5109.439183][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5109.439183][T12167]      netlink_rcv_skb+0x130/0x360
[ 5109.439183][T12167]      netlink_unicast+0x449/0x710
[ 5109.439183][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5109.439183][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5109.439183][T12167]      ___sys_sendmsg+0xee/0x170
[ 5109.439183][T12167]      __sys_sendmsg+0xcd/0x170
[ 5109.439183][T12167]      do_syscall_64+0xc6/0x1e0
[ 5109.439183][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5109.439183][T12167] 
[ 5109.441469][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5109.441469][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5109.441469][T12167]      ipv6_find_idev+0x102/0x170
[ 5109.441469][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5109.441469][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5109.441469][T12167]      netlink_rcv_skb+0x130/0x360
[ 5109.441469][T12167]      netlink_unicast+0x449/0x710
[ 5109.441469][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5109.441469][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5109.441469][T12167]      ___sys_sendmsg+0xee/0x170
[ 5109.441469][T12167]      __sys_sendmsg+0xcd/0x170
[ 5109.441469][T12167]      do_syscall_64+0xc6/0x1e0
[ 5109.441469][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5109.441469][T12167] 
[ 5109.443208][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5109.443208][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5109.443208][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5109.443208][T12167]      ipv6_find_idev+0x102/0x170
[ 5109.443208][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5109.443208][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5109.443208][T12167]      netlink_rcv_skb+0x130/0x360
[ 5109.443208][T12167]      netlink_unicast+0x449/0x710
[ 5109.443208][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5109.443208][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5109.443208][T12167]      ___sys_sendmsg+0xee/0x170
[ 5109.443208][T12167]      __sys_sendmsg+0xcd/0x170
[ 5109.443208][T12167]      do_syscall_64+0xc6/0x1e0
[ 5109.443208][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5109.443208][T12167] 
[ 5119.686806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5119.687304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5119.687304][T12167]      netdev_get_by_index+0x5e/0x80
[ 5119.687304][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5119.687304][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5119.687304][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5119.687304][T12167]      ipv6_add_addr+0x411/0x2000
[ 5119.687304][T12167]      inet6_addr_add+0x30e/0xa40
[ 5119.687304][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5119.687304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5119.687304][T12167]      netlink_rcv_skb+0x130/0x360
[ 5119.687304][T12167]      netlink_unicast+0x449/0x710
[ 5119.687304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5119.687304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5119.687304][T12167]      ___sys_sendmsg+0xee/0x170
[ 5119.687304][T12167]      __sys_sendmsg+0xcd/0x170
[ 5119.687304][T12167]      do_syscall_64+0xc6/0x1e0
[ 5119.687304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5119.687304][T12167] 
[ 5119.689608][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5119.689608][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5119.689608][T12167]      ipv6_find_idev+0x102/0x170
[ 5119.689608][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5119.689608][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5119.689608][T12167]      netlink_rcv_skb+0x130/0x360
[ 5119.689608][T12167]      netlink_unicast+0x449/0x710
[ 5119.689608][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5119.689608][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5119.689608][T12167]      ___sys_sendmsg+0xee/0x170
[ 5119.689608][T12167]      __sys_sendmsg+0xcd/0x170
[ 5119.689608][T12167]      do_syscall_64+0xc6/0x1e0
[ 5119.689608][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5119.689608][T12167] 
[ 5119.691361][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5119.691361][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5119.691361][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5119.691361][T12167]      ipv6_find_idev+0x102/0x170
[ 5119.691361][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5119.691361][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5119.691361][T12167]      netlink_rcv_skb+0x130/0x360
[ 5119.691361][T12167]      netlink_unicast+0x449/0x710
[ 5119.691361][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5119.691361][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5119.691361][T12167]      ___sys_sendmsg+0xee/0x170
[ 5119.691361][T12167]      __sys_sendmsg+0xcd/0x170
[ 5119.691361][T12167]      do_syscall_64+0xc6/0x1e0
[ 5119.691361][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5119.691361][T12167] 
[ 5129.934833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5129.935287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5129.935287][T12167]      netdev_get_by_index+0x5e/0x80
[ 5129.935287][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5129.935287][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5129.935287][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5129.935287][T12167]      ipv6_add_addr+0x411/0x2000
[ 5129.935287][T12167]      inet6_addr_add+0x30e/0xa40
[ 5129.935287][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5129.935287][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5129.935287][T12167]      netlink_rcv_skb+0x130/0x360
[ 5129.935287][T12167]      netlink_unicast+0x449/0x710
[ 5129.935287][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5129.935287][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5129.935287][T12167]      ___sys_sendmsg+0xee/0x170
[ 5129.935287][T12167]      __sys_sendmsg+0xcd/0x170
[ 5129.935287][T12167]      do_syscall_64+0xc6/0x1e0
[ 5129.935287][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5129.935287][T12167] 
[ 5129.937609][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5129.937609][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5129.937609][T12167]      ipv6_find_idev+0x102/0x170
[ 5129.937609][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5129.937609][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5129.937609][T12167]      netlink_rcv_skb+0x130/0x360
[ 5129.937609][T12167]      netlink_unicast+0x449/0x710
[ 5129.937609][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5129.937609][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5129.937609][T12167]      ___sys_sendmsg+0xee/0x170
[ 5129.937609][T12167]      __sys_sendmsg+0xcd/0x170
[ 5129.937609][T12167]      do_syscall_64+0xc6/0x1e0
[ 5129.937609][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5129.937609][T12167] 
[ 5129.939370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5129.939370][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5129.939370][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5129.939370][T12167]      ipv6_find_idev+0x102/0x170
[ 5129.939370][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5129.939370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5129.939370][T12167]      netlink_rcv_skb+0x130/0x360
[ 5129.939370][T12167]      netlink_unicast+0x449/0x710
[ 5129.939370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5129.939370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5129.939370][T12167]      ___sys_sendmsg+0xee/0x170
[ 5129.939370][T12167]      __sys_sendmsg+0xcd/0x170
[ 5129.939370][T12167]      do_syscall_64+0xc6/0x1e0
[ 5129.939370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5129.939370][T12167] 
[ 5140.118827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5140.119449][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5140.119449][T12167]      netdev_get_by_index+0x5e/0x80
[ 5140.119449][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5140.119449][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5140.119449][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5140.119449][T12167]      ipv6_add_addr+0x411/0x2000
[ 5140.119449][T12167]      inet6_addr_add+0x30e/0xa40
[ 5140.119449][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5140.119449][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5140.119449][T12167]      netlink_rcv_skb+0x130/0x360
[ 5140.119449][T12167]      netlink_unicast+0x449/0x710
[ 5140.119449][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5140.119449][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5140.119449][T12167]      ___sys_sendmsg+0xee/0x170
[ 5140.119449][T12167]      __sys_sendmsg+0xcd/0x170
[ 5140.119449][T12167]      do_syscall_64+0xc6/0x1e0
[ 5140.119449][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5140.119449][T12167] 
[ 5140.122024][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5140.122024][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5140.122024][T12167]      ipv6_find_idev+0x102/0x170
[ 5140.122024][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5140.122024][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5140.122024][T12167]      netlink_rcv_skb+0x130/0x360
[ 5140.122024][T12167]      netlink_unicast+0x449/0x710
[ 5140.122024][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5140.122024][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5140.122024][T12167]      ___sys_sendmsg+0xee/0x170
[ 5140.122024][T12167]      __sys_sendmsg+0xcd/0x170
[ 5140.122024][T12167]      do_syscall_64+0xc6/0x1e0
[ 5140.122024][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5140.122024][T12167] 
[ 5140.123996][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5140.123996][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5140.123996][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5140.123996][T12167]      ipv6_find_idev+0x102/0x170
[ 5140.123996][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5140.123996][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5140.123996][T12167]      netlink_rcv_skb+0x130/0x360
[ 5140.123996][T12167]      netlink_unicast+0x449/0x710
[ 5140.123996][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5140.123996][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5140.123996][T12167]      ___sys_sendmsg+0xee/0x170
[ 5140.123996][T12167]      __sys_sendmsg+0xcd/0x170
[ 5140.123996][T12167]      do_syscall_64+0xc6/0x1e0
[ 5140.123996][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5140.123996][T12167] 
[ 5150.286813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5150.287371][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5150.287371][T12167]      netdev_get_by_index+0x5e/0x80
[ 5150.287371][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5150.287371][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5150.287371][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5150.287371][T12167]      ipv6_add_addr+0x411/0x2000
[ 5150.287371][T12167]      inet6_addr_add+0x30e/0xa40
[ 5150.287371][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5150.287371][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5150.287371][T12167]      netlink_rcv_skb+0x130/0x360
[ 5150.287371][T12167]      netlink_unicast+0x449/0x710
[ 5150.287371][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5150.287371][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5150.287371][T12167]      ___sys_sendmsg+0xee/0x170
[ 5150.287371][T12167]      __sys_sendmsg+0xcd/0x170
[ 5150.287371][T12167]      do_syscall_64+0xc6/0x1e0
[ 5150.287371][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5150.287371][T12167] 
[ 5150.290143][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5150.290143][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5150.290143][T12167]      ipv6_find_idev+0x102/0x170
[ 5150.290143][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5150.290143][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5150.290143][T12167]      netlink_rcv_skb+0x130/0x360
[ 5150.290143][T12167]      netlink_unicast+0x449/0x710
[ 5150.290143][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5150.290143][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5150.290143][T12167]      ___sys_sendmsg+0xee/0x170
[ 5150.290143][T12167]      __sys_sendmsg+0xcd/0x170
[ 5150.290143][T12167]      do_syscall_64+0xc6/0x1e0
[ 5150.290143][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5150.290143][T12167] 
[ 5150.292275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5150.292275][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5150.292275][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5150.292275][T12167]      ipv6_find_idev+0x102/0x170
[ 5150.292275][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5150.292275][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5150.292275][T12167]      netlink_rcv_skb+0x130/0x360
[ 5150.292275][T12167]      netlink_unicast+0x449/0x710
[ 5150.292275][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5150.292275][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5150.292275][T12167]      ___sys_sendmsg+0xee/0x170
[ 5150.292275][T12167]      __sys_sendmsg+0xcd/0x170
[ 5150.292275][T12167]      do_syscall_64+0xc6/0x1e0
[ 5150.292275][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5150.292275][T12167] 
[ 5160.534907][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5160.535443][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5160.535443][T12167]      netdev_get_by_index+0x5e/0x80
[ 5160.535443][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5160.535443][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5160.535443][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5160.535443][T12167]      ipv6_add_addr+0x411/0x2000
[ 5160.535443][T12167]      inet6_addr_add+0x30e/0xa40
[ 5160.535443][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5160.535443][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5160.535443][T12167]      netlink_rcv_skb+0x130/0x360
[ 5160.535443][T12167]      netlink_unicast+0x449/0x710
[ 5160.535443][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5160.535443][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5160.535443][T12167]      ___sys_sendmsg+0xee/0x170
[ 5160.535443][T12167]      __sys_sendmsg+0xcd/0x170
[ 5160.535443][T12167]      do_syscall_64+0xc6/0x1e0
[ 5160.535443][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5160.535443][T12167] 
[ 5160.538211][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5160.538211][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5160.538211][T12167]      ipv6_find_idev+0x102/0x170
[ 5160.538211][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5160.538211][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5160.538211][T12167]      netlink_rcv_skb+0x130/0x360
[ 5160.538211][T12167]      netlink_unicast+0x449/0x710
[ 5160.538211][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5160.538211][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5160.538211][T12167]      ___sys_sendmsg+0xee/0x170
[ 5160.538211][T12167]      __sys_sendmsg+0xcd/0x170
[ 5160.538211][T12167]      do_syscall_64+0xc6/0x1e0
[ 5160.538211][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5160.538211][T12167] 
[ 5160.540311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5160.540311][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5160.540311][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5160.540311][T12167]      ipv6_find_idev+0x102/0x170
[ 5160.540311][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5160.540311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5160.540311][T12167]      netlink_rcv_skb+0x130/0x360
[ 5160.540311][T12167]      netlink_unicast+0x449/0x710
[ 5160.540311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5160.540311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5160.540311][T12167]      ___sys_sendmsg+0xee/0x170
[ 5160.540311][T12167]      __sys_sendmsg+0xcd/0x170
[ 5160.540311][T12167]      do_syscall_64+0xc6/0x1e0
[ 5160.540311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5160.540311][T12167] 
[ 5170.782829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5170.783339][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5170.783339][T12167]      netdev_get_by_index+0x5e/0x80
[ 5170.783339][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5170.783339][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5170.783339][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5170.783339][T12167]      ipv6_add_addr+0x411/0x2000
[ 5170.783339][T12167]      inet6_addr_add+0x30e/0xa40
[ 5170.783339][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5170.783339][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5170.783339][T12167]      netlink_rcv_skb+0x130/0x360
[ 5170.783339][T12167]      netlink_unicast+0x449/0x710
[ 5170.783339][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5170.783339][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5170.783339][T12167]      ___sys_sendmsg+0xee/0x170
[ 5170.783339][T12167]      __sys_sendmsg+0xcd/0x170
[ 5170.783339][T12167]      do_syscall_64+0xc6/0x1e0
[ 5170.783339][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5170.783339][T12167] 
[ 5170.785645][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5170.785645][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5170.785645][T12167]      ipv6_find_idev+0x102/0x170
[ 5170.785645][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5170.785645][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5170.785645][T12167]      netlink_rcv_skb+0x130/0x360
[ 5170.785645][T12167]      netlink_unicast+0x449/0x710
[ 5170.785645][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5170.785645][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5170.785645][T12167]      ___sys_sendmsg+0xee/0x170
[ 5170.785645][T12167]      __sys_sendmsg+0xcd/0x170
[ 5170.785645][T12167]      do_syscall_64+0xc6/0x1e0
[ 5170.785645][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5170.785645][T12167] 
[ 5170.787410][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5170.787410][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5170.787410][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5170.787410][T12167]      ipv6_find_idev+0x102/0x170
[ 5170.787410][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5170.787410][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5170.787410][T12167]      netlink_rcv_skb+0x130/0x360
[ 5170.787410][T12167]      netlink_unicast+0x449/0x710
[ 5170.787410][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5170.787410][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5170.787410][T12167]      ___sys_sendmsg+0xee/0x170
[ 5170.787410][T12167]      __sys_sendmsg+0xcd/0x170
[ 5170.787410][T12167]      do_syscall_64+0xc6/0x1e0
[ 5170.787410][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5170.787410][T12167] 
[ 5181.030798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5181.031314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5181.031314][T12167]      netdev_get_by_index+0x5e/0x80
[ 5181.031314][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5181.031314][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5181.031314][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5181.031314][T12167]      ipv6_add_addr+0x411/0x2000
[ 5181.031314][T12167]      inet6_addr_add+0x30e/0xa40
[ 5181.031314][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5181.031314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5181.031314][T12167]      netlink_rcv_skb+0x130/0x360
[ 5181.031314][T12167]      netlink_unicast+0x449/0x710
[ 5181.031314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5181.031314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5181.031314][T12167]      ___sys_sendmsg+0xee/0x170
[ 5181.031314][T12167]      __sys_sendmsg+0xcd/0x170
[ 5181.031314][T12167]      do_syscall_64+0xc6/0x1e0
[ 5181.031314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5181.031314][T12167] 
[ 5181.033621][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5181.033621][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5181.033621][T12167]      ipv6_find_idev+0x102/0x170
[ 5181.033621][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5181.033621][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5181.033621][T12167]      netlink_rcv_skb+0x130/0x360
[ 5181.033621][T12167]      netlink_unicast+0x449/0x710
[ 5181.033621][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5181.033621][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5181.033621][T12167]      ___sys_sendmsg+0xee/0x170
[ 5181.033621][T12167]      __sys_sendmsg+0xcd/0x170
[ 5181.033621][T12167]      do_syscall_64+0xc6/0x1e0
[ 5181.033621][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5181.033621][T12167] 
[ 5181.035383][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5181.035383][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5181.035383][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5181.035383][T12167]      ipv6_find_idev+0x102/0x170
[ 5181.035383][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5181.035383][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5181.035383][T12167]      netlink_rcv_skb+0x130/0x360
[ 5181.035383][T12167]      netlink_unicast+0x449/0x710
[ 5181.035383][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5181.035383][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5181.035383][T12167]      ___sys_sendmsg+0xee/0x170
[ 5181.035383][T12167]      __sys_sendmsg+0xcd/0x170
[ 5181.035383][T12167]      do_syscall_64+0xc6/0x1e0
[ 5181.035383][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5181.035383][T12167] 
[ 5191.278824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5191.279366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5191.279366][T12167]      netdev_get_by_index+0x5e/0x80
[ 5191.279366][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5191.279366][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5191.279366][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5191.279366][T12167]      ipv6_add_addr+0x411/0x2000
[ 5191.279366][T12167]      inet6_addr_add+0x30e/0xa40
[ 5191.279366][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5191.279366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5191.279366][T12167]      netlink_rcv_skb+0x130/0x360
[ 5191.279366][T12167]      netlink_unicast+0x449/0x710
[ 5191.279366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5191.279366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5191.279366][T12167]      ___sys_sendmsg+0xee/0x170
[ 5191.279366][T12167]      __sys_sendmsg+0xcd/0x170
[ 5191.279366][T12167]      do_syscall_64+0xc6/0x1e0
[ 5191.279366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5191.279366][T12167] 
[ 5191.281981][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5191.281981][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5191.281981][T12167]      ipv6_find_idev+0x102/0x170
[ 5191.281981][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5191.281981][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5191.281981][T12167]      netlink_rcv_skb+0x130/0x360
[ 5191.281981][T12167]      netlink_unicast+0x449/0x710
[ 5191.281981][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5191.281981][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5191.281981][T12167]      ___sys_sendmsg+0xee/0x170
[ 5191.281981][T12167]      __sys_sendmsg+0xcd/0x170
[ 5191.281981][T12167]      do_syscall_64+0xc6/0x1e0
[ 5191.281981][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5191.281981][T12167] 
[ 5191.283968][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5191.283968][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5191.283968][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5191.283968][T12167]      ipv6_find_idev+0x102/0x170
[ 5191.283968][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5191.283968][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5191.283968][T12167]      netlink_rcv_skb+0x130/0x360
[ 5191.283968][T12167]      netlink_unicast+0x449/0x710
[ 5191.283968][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5191.283968][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5191.283968][T12167]      ___sys_sendmsg+0xee/0x170
[ 5191.283968][T12167]      __sys_sendmsg+0xcd/0x170
[ 5191.283968][T12167]      do_syscall_64+0xc6/0x1e0
[ 5191.283968][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5191.283968][T12167] 
[ 5201.526814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5201.527318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5201.527318][T12167]      netdev_get_by_index+0x5e/0x80
[ 5201.527318][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5201.527318][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5201.527318][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5201.527318][T12167]      ipv6_add_addr+0x411/0x2000
[ 5201.527318][T12167]      inet6_addr_add+0x30e/0xa40
[ 5201.527318][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5201.527318][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5201.527318][T12167]      netlink_rcv_skb+0x130/0x360
[ 5201.527318][T12167]      netlink_unicast+0x449/0x710
[ 5201.527318][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5201.527318][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5201.527318][T12167]      ___sys_sendmsg+0xee/0x170
[ 5201.527318][T12167]      __sys_sendmsg+0xcd/0x170
[ 5201.527318][T12167]      do_syscall_64+0xc6/0x1e0
[ 5201.527318][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5201.527318][T12167] 
[ 5201.529921][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5201.529921][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5201.529921][T12167]      ipv6_find_idev+0x102/0x170
[ 5201.529921][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5201.529921][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5201.529921][T12167]      netlink_rcv_skb+0x130/0x360
[ 5201.529921][T12167]      netlink_unicast+0x449/0x710
[ 5201.529921][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5201.529921][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5201.529921][T12167]      ___sys_sendmsg+0xee/0x170
[ 5201.529921][T12167]      __sys_sendmsg+0xcd/0x170
[ 5201.529921][T12167]      do_syscall_64+0xc6/0x1e0
[ 5201.529921][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5201.529921][T12167] 
[ 5201.531910][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5201.531910][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5201.531910][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5201.531910][T12167]      ipv6_find_idev+0x102/0x170
[ 5201.531910][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5201.531910][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5201.531910][T12167]      netlink_rcv_skb+0x130/0x360
[ 5201.531910][T12167]      netlink_unicast+0x449/0x710
[ 5201.531910][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5201.531910][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5201.531910][T12167]      ___sys_sendmsg+0xee/0x170
[ 5201.531910][T12167]      __sys_sendmsg+0xcd/0x170
[ 5201.531910][T12167]      do_syscall_64+0xc6/0x1e0
[ 5201.531910][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5201.531910][T12167] 
[ 5211.702807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5211.703374][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5211.703374][T12167]      netdev_get_by_index+0x5e/0x80
[ 5211.703374][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5211.703374][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5211.703374][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5211.703374][T12167]      ipv6_add_addr+0x411/0x2000
[ 5211.703374][T12167]      inet6_addr_add+0x30e/0xa40
[ 5211.703374][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5211.703374][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5211.703374][T12167]      netlink_rcv_skb+0x130/0x360
[ 5211.703374][T12167]      netlink_unicast+0x449/0x710
[ 5211.703374][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5211.703374][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5211.703374][T12167]      ___sys_sendmsg+0xee/0x170
[ 5211.703374][T12167]      __sys_sendmsg+0xcd/0x170
[ 5211.703374][T12167]      do_syscall_64+0xc6/0x1e0
[ 5211.703374][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5211.703374][T12167] 
[ 5211.705978][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5211.705978][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5211.705978][T12167]      ipv6_find_idev+0x102/0x170
[ 5211.705978][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5211.705978][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5211.705978][T12167]      netlink_rcv_skb+0x130/0x360
[ 5211.705978][T12167]      netlink_unicast+0x449/0x710
[ 5211.705978][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5211.705978][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5211.705978][T12167]      ___sys_sendmsg+0xee/0x170
[ 5211.705978][T12167]      __sys_sendmsg+0xcd/0x170
[ 5211.705978][T12167]      do_syscall_64+0xc6/0x1e0
[ 5211.705978][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5211.705978][T12167] 
[ 5211.707966][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5211.707966][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5211.707966][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5211.707966][T12167]      ipv6_find_idev+0x102/0x170
[ 5211.707966][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5211.707966][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5211.707966][T12167]      netlink_rcv_skb+0x130/0x360
[ 5211.707966][T12167]      netlink_unicast+0x449/0x710
[ 5211.707966][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5211.707966][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5211.707966][T12167]      ___sys_sendmsg+0xee/0x170
[ 5211.707966][T12167]      __sys_sendmsg+0xcd/0x170
[ 5211.707966][T12167]      do_syscall_64+0xc6/0x1e0
[ 5211.707966][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5211.707966][T12167] 
[ 5221.950808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5221.951358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5221.951358][T12167]      netdev_get_by_index+0x5e/0x80
[ 5221.951358][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5221.951358][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5221.951358][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5221.951358][T12167]      ipv6_add_addr+0x411/0x2000
[ 5221.951358][T12167]      inet6_addr_add+0x30e/0xa40
[ 5221.951358][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5221.951358][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5221.951358][T12167]      netlink_rcv_skb+0x130/0x360
[ 5221.951358][T12167]      netlink_unicast+0x449/0x710
[ 5221.951358][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5221.951358][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5221.951358][T12167]      ___sys_sendmsg+0xee/0x170
[ 5221.951358][T12167]      __sys_sendmsg+0xcd/0x170
[ 5221.951358][T12167]      do_syscall_64+0xc6/0x1e0
[ 5221.951358][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5221.951358][T12167] 
[ 5221.953938][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5221.953938][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5221.953938][T12167]      ipv6_find_idev+0x102/0x170
[ 5221.953938][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5221.953938][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5221.953938][T12167]      netlink_rcv_skb+0x130/0x360
[ 5221.953938][T12167]      netlink_unicast+0x449/0x710
[ 5221.953938][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5221.953938][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5221.953938][T12167]      ___sys_sendmsg+0xee/0x170
[ 5221.953938][T12167]      __sys_sendmsg+0xcd/0x170
[ 5221.953938][T12167]      do_syscall_64+0xc6/0x1e0
[ 5221.953938][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5221.953938][T12167] 
[ 5221.955917][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5221.955917][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5221.955917][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5221.955917][T12167]      ipv6_find_idev+0x102/0x170
[ 5221.955917][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5221.955917][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5221.955917][T12167]      netlink_rcv_skb+0x130/0x360
[ 5221.955917][T12167]      netlink_unicast+0x449/0x710
[ 5221.955917][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5221.955917][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5221.955917][T12167]      ___sys_sendmsg+0xee/0x170
[ 5221.955917][T12167]      __sys_sendmsg+0xcd/0x170
[ 5221.955917][T12167]      do_syscall_64+0xc6/0x1e0
[ 5221.955917][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5221.955917][T12167] 
[ 5232.198808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5232.199342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5232.199342][T12167]      netdev_get_by_index+0x5e/0x80
[ 5232.199342][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5232.199342][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5232.199342][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5232.199342][T12167]      ipv6_add_addr+0x411/0x2000
[ 5232.199342][T12167]      inet6_addr_add+0x30e/0xa40
[ 5232.199342][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5232.199342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5232.199342][T12167]      netlink_rcv_skb+0x130/0x360
[ 5232.199342][T12167]      netlink_unicast+0x449/0x710
[ 5232.199342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5232.199342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5232.199342][T12167]      ___sys_sendmsg+0xee/0x170
[ 5232.199342][T12167]      __sys_sendmsg+0xcd/0x170
[ 5232.199342][T12167]      do_syscall_64+0xc6/0x1e0
[ 5232.199342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5232.199342][T12167] 
[ 5232.201981][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5232.201981][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5232.201981][T12167]      ipv6_find_idev+0x102/0x170
[ 5232.201981][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5232.201981][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5232.201981][T12167]      netlink_rcv_skb+0x130/0x360
[ 5232.201981][T12167]      netlink_unicast+0x449/0x710
[ 5232.201981][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5232.201981][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5232.201981][T12167]      ___sys_sendmsg+0xee/0x170
[ 5232.201981][T12167]      __sys_sendmsg+0xcd/0x170
[ 5232.201981][T12167]      do_syscall_64+0xc6/0x1e0
[ 5232.201981][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5232.201981][T12167] 
[ 5232.203970][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5232.203970][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5232.203970][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5232.203970][T12167]      ipv6_find_idev+0x102/0x170
[ 5232.203970][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5232.203970][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5232.203970][T12167]      netlink_rcv_skb+0x130/0x360
[ 5232.203970][T12167]      netlink_unicast+0x449/0x710
[ 5232.203970][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5232.203970][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5232.203970][T12167]      ___sys_sendmsg+0xee/0x170
[ 5232.203970][T12167]      __sys_sendmsg+0xcd/0x170
[ 5232.203970][T12167]      do_syscall_64+0xc6/0x1e0
[ 5232.203970][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5232.203970][T12167] 
[ 5242.446809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5242.447385][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5242.447385][T12167]      netdev_get_by_index+0x5e/0x80
[ 5242.447385][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5242.447385][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5242.447385][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5242.447385][T12167]      ipv6_add_addr+0x411/0x2000
[ 5242.447385][T12167]      inet6_addr_add+0x30e/0xa40
[ 5242.447385][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5242.447385][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5242.447385][T12167]      netlink_rcv_skb+0x130/0x360
[ 5242.447385][T12167]      netlink_unicast+0x449/0x710
[ 5242.447385][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5242.447385][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5242.447385][T12167]      ___sys_sendmsg+0xee/0x170
[ 5242.447385][T12167]      __sys_sendmsg+0xcd/0x170
[ 5242.447385][T12167]      do_syscall_64+0xc6/0x1e0
[ 5242.447385][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5242.447385][T12167] 
[ 5242.450168][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5242.450168][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5242.450168][T12167]      ipv6_find_idev+0x102/0x170
[ 5242.450168][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5242.450168][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5242.450168][T12167]      netlink_rcv_skb+0x130/0x360
[ 5242.450168][T12167]      netlink_unicast+0x449/0x710
[ 5242.450168][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5242.450168][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5242.450168][T12167]      ___sys_sendmsg+0xee/0x170
[ 5242.450168][T12167]      __sys_sendmsg+0xcd/0x170
[ 5242.450168][T12167]      do_syscall_64+0xc6/0x1e0
[ 5242.450168][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5242.450168][T12167] 
[ 5242.452318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5242.452318][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5242.452318][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5242.452318][T12167]      ipv6_find_idev+0x102/0x170
[ 5242.452318][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5242.452318][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5242.452318][T12167]      netlink_rcv_skb+0x130/0x360
[ 5242.452318][T12167]      netlink_unicast+0x449/0x710
[ 5242.452318][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5242.452318][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5242.452318][T12167]      ___sys_sendmsg+0xee/0x170
[ 5242.452318][T12167]      __sys_sendmsg+0xcd/0x170
[ 5242.452318][T12167]      do_syscall_64+0xc6/0x1e0
[ 5242.452318][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5242.452318][T12167] 
[ 5252.694829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5252.695363][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5252.695363][T12167]      netdev_get_by_index+0x5e/0x80
[ 5252.695363][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5252.695363][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5252.695363][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5252.695363][T12167]      ipv6_add_addr+0x411/0x2000
[ 5252.695363][T12167]      inet6_addr_add+0x30e/0xa40
[ 5252.695363][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5252.695363][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5252.695363][T12167]      netlink_rcv_skb+0x130/0x360
[ 5252.695363][T12167]      netlink_unicast+0x449/0x710
[ 5252.695363][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5252.695363][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5252.695363][T12167]      ___sys_sendmsg+0xee/0x170
[ 5252.695363][T12167]      __sys_sendmsg+0xcd/0x170
[ 5252.695363][T12167]      do_syscall_64+0xc6/0x1e0
[ 5252.695363][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5252.695363][T12167] 
[ 5252.697934][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5252.697934][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5252.697934][T12167]      ipv6_find_idev+0x102/0x170
[ 5252.697934][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5252.697934][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5252.697934][T12167]      netlink_rcv_skb+0x130/0x360
[ 5252.697934][T12167]      netlink_unicast+0x449/0x710
[ 5252.697934][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5252.697934][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5252.697934][T12167]      ___sys_sendmsg+0xee/0x170
[ 5252.697934][T12167]      __sys_sendmsg+0xcd/0x170
[ 5252.697934][T12167]      do_syscall_64+0xc6/0x1e0
[ 5252.697934][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5252.697934][T12167] 
[ 5252.699905][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5252.699905][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5252.699905][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5252.699905][T12167]      ipv6_find_idev+0x102/0x170
[ 5252.699905][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5252.699905][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5252.699905][T12167]      netlink_rcv_skb+0x130/0x360
[ 5252.699905][T12167]      netlink_unicast+0x449/0x710
[ 5252.699905][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5252.699905][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5252.699905][T12167]      ___sys_sendmsg+0xee/0x170
[ 5252.699905][T12167]      __sys_sendmsg+0xcd/0x170
[ 5252.699905][T12167]      do_syscall_64+0xc6/0x1e0
[ 5252.699905][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5252.699905][T12167] 
[ 5262.942832][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5262.943367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5262.943367][T12167]      netdev_get_by_index+0x5e/0x80
[ 5262.943367][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5262.943367][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5262.943367][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5262.943367][T12167]      ipv6_add_addr+0x411/0x2000
[ 5262.943367][T12167]      inet6_addr_add+0x30e/0xa40
[ 5262.943367][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5262.943367][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5262.943367][T12167]      netlink_rcv_skb+0x130/0x360
[ 5262.943367][T12167]      netlink_unicast+0x449/0x710
[ 5262.943367][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5262.943367][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5262.943367][T12167]      ___sys_sendmsg+0xee/0x170
[ 5262.943367][T12167]      __sys_sendmsg+0xcd/0x170
[ 5262.943367][T12167]      do_syscall_64+0xc6/0x1e0
[ 5262.943367][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5262.943367][T12167] 
[ 5262.945953][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5262.945953][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5262.945953][T12167]      ipv6_find_idev+0x102/0x170
[ 5262.945953][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5262.945953][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5262.945953][T12167]      netlink_rcv_skb+0x130/0x360
[ 5262.945953][T12167]      netlink_unicast+0x449/0x710
[ 5262.945953][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5262.945953][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5262.945953][T12167]      ___sys_sendmsg+0xee/0x170
[ 5262.945953][T12167]      __sys_sendmsg+0xcd/0x170
[ 5262.945953][T12167]      do_syscall_64+0xc6/0x1e0
[ 5262.945953][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5262.945953][T12167] 
[ 5262.947940][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5262.947940][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5262.947940][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5262.947940][T12167]      ipv6_find_idev+0x102/0x170
[ 5262.947940][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5262.947940][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5262.947940][T12167]      netlink_rcv_skb+0x130/0x360
[ 5262.947940][T12167]      netlink_unicast+0x449/0x710
[ 5262.947940][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5262.947940][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5262.947940][T12167]      ___sys_sendmsg+0xee/0x170
[ 5262.947940][T12167]      __sys_sendmsg+0xcd/0x170
[ 5262.947940][T12167]      do_syscall_64+0xc6/0x1e0
[ 5262.947940][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5262.947940][T12167] 
[ 5273.190805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5273.191313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5273.191313][T12167]      netdev_get_by_index+0x5e/0x80
[ 5273.191313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5273.191313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5273.191313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5273.191313][T12167]      ipv6_add_addr+0x411/0x2000
[ 5273.191313][T12167]      inet6_addr_add+0x30e/0xa40
[ 5273.191313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5273.191313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5273.191313][T12167]      netlink_rcv_skb+0x130/0x360
[ 5273.191313][T12167]      netlink_unicast+0x449/0x710
[ 5273.191313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5273.191313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5273.191313][T12167]      ___sys_sendmsg+0xee/0x170
[ 5273.191313][T12167]      __sys_sendmsg+0xcd/0x170
[ 5273.191313][T12167]      do_syscall_64+0xc6/0x1e0
[ 5273.191313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5273.191313][T12167] 
[ 5273.193927][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5273.193927][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5273.193927][T12167]      ipv6_find_idev+0x102/0x170
[ 5273.193927][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5273.193927][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5273.193927][T12167]      netlink_rcv_skb+0x130/0x360
[ 5273.193927][T12167]      netlink_unicast+0x449/0x710
[ 5273.193927][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5273.193927][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5273.193927][T12167]      ___sys_sendmsg+0xee/0x170
[ 5273.193927][T12167]      __sys_sendmsg+0xcd/0x170
[ 5273.193927][T12167]      do_syscall_64+0xc6/0x1e0
[ 5273.193927][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5273.193927][T12167] 
[ 5273.195986][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5273.195986][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5273.195986][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5273.195986][T12167]      ipv6_find_idev+0x102/0x170
[ 5273.195986][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5273.195986][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5273.195986][T12167]      netlink_rcv_skb+0x130/0x360
[ 5273.195986][T12167]      netlink_unicast+0x449/0x710
[ 5273.195986][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5273.195986][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5273.195986][T12167]      ___sys_sendmsg+0xee/0x170
[ 5273.195986][T12167]      __sys_sendmsg+0xcd/0x170
[ 5273.195986][T12167]      do_syscall_64+0xc6/0x1e0
[ 5273.195986][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5273.195986][T12167] 
[ 5283.438808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5283.439308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5283.439308][T12167]      netdev_get_by_index+0x5e/0x80
[ 5283.439308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5283.439308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5283.439308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5283.439308][T12167]      ipv6_add_addr+0x411/0x2000
[ 5283.439308][T12167]      inet6_addr_add+0x30e/0xa40
[ 5283.439308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5283.439308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5283.439308][T12167]      netlink_rcv_skb+0x130/0x360
[ 5283.439308][T12167]      netlink_unicast+0x449/0x710
[ 5283.439308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5283.439308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5283.439308][T12167]      ___sys_sendmsg+0xee/0x170
[ 5283.439308][T12167]      __sys_sendmsg+0xcd/0x170
[ 5283.439308][T12167]      do_syscall_64+0xc6/0x1e0
[ 5283.439308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5283.439308][T12167] 
[ 5283.441912][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5283.441912][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5283.441912][T12167]      ipv6_find_idev+0x102/0x170
[ 5283.441912][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5283.441912][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5283.441912][T12167]      netlink_rcv_skb+0x130/0x360
[ 5283.441912][T12167]      netlink_unicast+0x449/0x710
[ 5283.441912][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5283.441912][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5283.441912][T12167]      ___sys_sendmsg+0xee/0x170
[ 5283.441912][T12167]      __sys_sendmsg+0xcd/0x170
[ 5283.441912][T12167]      do_syscall_64+0xc6/0x1e0
[ 5283.441912][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5283.441912][T12167] 
[ 5283.443904][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5283.443904][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5283.443904][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5283.443904][T12167]      ipv6_find_idev+0x102/0x170
[ 5283.443904][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5283.443904][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5283.443904][T12167]      netlink_rcv_skb+0x130/0x360
[ 5283.443904][T12167]      netlink_unicast+0x449/0x710
[ 5283.443904][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5283.443904][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5283.443904][T12167]      ___sys_sendmsg+0xee/0x170
[ 5283.443904][T12167]      __sys_sendmsg+0xcd/0x170
[ 5283.443904][T12167]      do_syscall_64+0xc6/0x1e0
[ 5283.443904][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5283.443904][T12167] 
[ 5293.686815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5293.687347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5293.687347][T12167]      netdev_get_by_index+0x5e/0x80
[ 5293.687347][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5293.687347][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5293.687347][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5293.687347][T12167]      ipv6_add_addr+0x411/0x2000
[ 5293.687347][T12167]      inet6_addr_add+0x30e/0xa40
[ 5293.687347][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5293.687347][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5293.687347][T12167]      netlink_rcv_skb+0x130/0x360
[ 5293.687347][T12167]      netlink_unicast+0x449/0x710
[ 5293.687347][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5293.687347][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5293.687347][T12167]      ___sys_sendmsg+0xee/0x170
[ 5293.687347][T12167]      __sys_sendmsg+0xcd/0x170
[ 5293.687347][T12167]      do_syscall_64+0xc6/0x1e0
[ 5293.687347][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5293.687347][T12167] 
[ 5293.689689][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5293.689689][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5293.689689][T12167]      ipv6_find_idev+0x102/0x170
[ 5293.689689][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5293.689689][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5293.689689][T12167]      netlink_rcv_skb+0x130/0x360
[ 5293.689689][T12167]      netlink_unicast+0x449/0x710
[ 5293.689689][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5293.689689][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5293.689689][T12167]      ___sys_sendmsg+0xee/0x170
[ 5293.689689][T12167]      __sys_sendmsg+0xcd/0x170
[ 5293.689689][T12167]      do_syscall_64+0xc6/0x1e0
[ 5293.689689][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5293.689689][T12167] 
[ 5293.691651][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5293.691651][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5293.691651][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5293.691651][T12167]      ipv6_find_idev+0x102/0x170
[ 5293.691651][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5293.691651][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5293.691651][T12167]      netlink_rcv_skb+0x130/0x360
[ 5293.691651][T12167]      netlink_unicast+0x449/0x710
[ 5293.691651][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5293.691651][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5293.691651][T12167]      ___sys_sendmsg+0xee/0x170
[ 5293.691651][T12167]      __sys_sendmsg+0xcd/0x170
[ 5293.691651][T12167]      do_syscall_64+0xc6/0x1e0
[ 5293.691651][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5293.691651][T12167] 
[ 5303.934811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5303.935334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5303.935334][T12167]      netdev_get_by_index+0x5e/0x80
[ 5303.935334][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5303.935334][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5303.935334][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5303.935334][T12167]      ipv6_add_addr+0x411/0x2000
[ 5303.935334][T12167]      inet6_addr_add+0x30e/0xa40
[ 5303.935334][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5303.935334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5303.935334][T12167]      netlink_rcv_skb+0x130/0x360
[ 5303.935334][T12167]      netlink_unicast+0x449/0x710
[ 5303.935334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5303.935334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5303.935334][T12167]      ___sys_sendmsg+0xee/0x170
[ 5303.935334][T12167]      __sys_sendmsg+0xcd/0x170
[ 5303.935334][T12167]      do_syscall_64+0xc6/0x1e0
[ 5303.935334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5303.935334][T12167] 
[ 5303.937637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5303.937637][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5303.937637][T12167]      ipv6_find_idev+0x102/0x170
[ 5303.937637][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5303.937637][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5303.937637][T12167]      netlink_rcv_skb+0x130/0x360
[ 5303.937637][T12167]      netlink_unicast+0x449/0x710
[ 5303.937637][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5303.937637][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5303.937637][T12167]      ___sys_sendmsg+0xee/0x170
[ 5303.937637][T12167]      __sys_sendmsg+0xcd/0x170
[ 5303.937637][T12167]      do_syscall_64+0xc6/0x1e0
[ 5303.937637][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5303.937637][T12167] 
[ 5303.939399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5303.939399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5303.939399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5303.939399][T12167]      ipv6_find_idev+0x102/0x170
[ 5303.939399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5303.939399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5303.939399][T12167]      netlink_rcv_skb+0x130/0x360
[ 5303.939399][T12167]      netlink_unicast+0x449/0x710
[ 5303.939399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5303.939399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5303.939399][T12167]      ___sys_sendmsg+0xee/0x170
[ 5303.939399][T12167]      __sys_sendmsg+0xcd/0x170
[ 5303.939399][T12167]      do_syscall_64+0xc6/0x1e0
[ 5303.939399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5303.939399][T12167] 
[ 5314.182824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5314.183331][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5314.183331][T12167]      netdev_get_by_index+0x5e/0x80
[ 5314.183331][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5314.183331][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5314.183331][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5314.183331][T12167]      ipv6_add_addr+0x411/0x2000
[ 5314.183331][T12167]      inet6_addr_add+0x30e/0xa40
[ 5314.183331][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5314.183331][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5314.183331][T12167]      netlink_rcv_skb+0x130/0x360
[ 5314.183331][T12167]      netlink_unicast+0x449/0x710
[ 5314.183331][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5314.183331][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5314.183331][T12167]      ___sys_sendmsg+0xee/0x170
[ 5314.183331][T12167]      __sys_sendmsg+0xcd/0x170
[ 5314.183331][T12167]      do_syscall_64+0xc6/0x1e0
[ 5314.183331][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5314.183331][T12167] 
[ 5314.185656][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5314.185656][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5314.185656][T12167]      ipv6_find_idev+0x102/0x170
[ 5314.185656][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5314.185656][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5314.185656][T12167]      netlink_rcv_skb+0x130/0x360
[ 5314.185656][T12167]      netlink_unicast+0x449/0x710
[ 5314.185656][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5314.185656][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5314.185656][T12167]      ___sys_sendmsg+0xee/0x170
[ 5314.185656][T12167]      __sys_sendmsg+0xcd/0x170
[ 5314.185656][T12167]      do_syscall_64+0xc6/0x1e0
[ 5314.185656][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5314.185656][T12167] 
[ 5314.187400][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5314.187400][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5314.187400][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5314.187400][T12167]      ipv6_find_idev+0x102/0x170
[ 5314.187400][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5314.187400][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5314.187400][T12167]      netlink_rcv_skb+0x130/0x360
[ 5314.187400][T12167]      netlink_unicast+0x449/0x710
[ 5314.187400][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5314.187400][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5314.187400][T12167]      ___sys_sendmsg+0xee/0x170
[ 5314.187400][T12167]      __sys_sendmsg+0xcd/0x170
[ 5314.187400][T12167]      do_syscall_64+0xc6/0x1e0
[ 5314.187400][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5314.187400][T12167] 
[ 5324.422819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5324.423373][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5324.423373][T12167]      netdev_get_by_index+0x5e/0x80
[ 5324.423373][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5324.423373][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5324.423373][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5324.423373][T12167]      ipv6_add_addr+0x411/0x2000
[ 5324.423373][T12167]      inet6_addr_add+0x30e/0xa40
[ 5324.423373][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5324.423373][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5324.423373][T12167]      netlink_rcv_skb+0x130/0x360
[ 5324.423373][T12167]      netlink_unicast+0x449/0x710
[ 5324.423373][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5324.423373][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5324.423373][T12167]      ___sys_sendmsg+0xee/0x170
[ 5324.423373][T12167]      __sys_sendmsg+0xcd/0x170
[ 5324.423373][T12167]      do_syscall_64+0xc6/0x1e0
[ 5324.423373][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5324.423373][T12167] 
[ 5324.427709][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5324.427709][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5324.427709][T12167]      ipv6_find_idev+0x102/0x170
[ 5324.427709][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5324.427709][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5324.427709][T12167]      netlink_rcv_skb+0x130/0x360
[ 5324.427709][T12167]      netlink_unicast+0x449/0x710
[ 5324.427709][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5324.427709][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5324.427709][T12167]      ___sys_sendmsg+0xee/0x170
[ 5324.427709][T12167]      __sys_sendmsg+0xcd/0x170
[ 5324.427709][T12167]      do_syscall_64+0xc6/0x1e0
[ 5324.427709][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5324.427709][T12167] 
[ 5324.430485][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5324.430485][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5324.430485][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5324.430485][T12167]      ipv6_find_idev+0x102/0x170
[ 5324.430485][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5324.430485][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5324.430485][T12167]      netlink_rcv_skb+0x130/0x360
[ 5324.430485][T12167]      netlink_unicast+0x449/0x710
[ 5324.430485][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5324.430485][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5324.430485][T12167]      ___sys_sendmsg+0xee/0x170
[ 5324.430485][T12167]      __sys_sendmsg+0xcd/0x170
[ 5324.430485][T12167]      do_syscall_64+0xc6/0x1e0
[ 5324.430485][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5324.430485][T12167] 
[ 5334.670802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5334.671252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5334.671252][T12167]      netdev_get_by_index+0x5e/0x80
[ 5334.671252][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5334.671252][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5334.671252][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5334.671252][T12167]      ipv6_add_addr+0x411/0x2000
[ 5334.671252][T12167]      inet6_addr_add+0x30e/0xa40
[ 5334.671252][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5334.671252][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5334.671252][T12167]      netlink_rcv_skb+0x130/0x360
[ 5334.671252][T12167]      netlink_unicast+0x449/0x710
[ 5334.671252][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5334.671252][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5334.671252][T12167]      ___sys_sendmsg+0xee/0x170
[ 5334.671252][T12167]      __sys_sendmsg+0xcd/0x170
[ 5334.671252][T12167]      do_syscall_64+0xc6/0x1e0
[ 5334.671252][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5334.671252][T12167] 
[ 5334.673537][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5334.673537][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5334.673537][T12167]      ipv6_find_idev+0x102/0x170
[ 5334.673537][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5334.673537][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5334.673537][T12167]      netlink_rcv_skb+0x130/0x360
[ 5334.673537][T12167]      netlink_unicast+0x449/0x710
[ 5334.673537][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5334.673537][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5334.673537][T12167]      ___sys_sendmsg+0xee/0x170
[ 5334.673537][T12167]      __sys_sendmsg+0xcd/0x170
[ 5334.673537][T12167]      do_syscall_64+0xc6/0x1e0
[ 5334.673537][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5334.673537][T12167] 
[ 5334.675292][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5334.675292][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5334.675292][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5334.675292][T12167]      ipv6_find_idev+0x102/0x170
[ 5334.675292][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5334.675292][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5334.675292][T12167]      netlink_rcv_skb+0x130/0x360
[ 5334.675292][T12167]      netlink_unicast+0x449/0x710
[ 5334.675292][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5334.675292][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5334.675292][T12167]      ___sys_sendmsg+0xee/0x170
[ 5334.675292][T12167]      __sys_sendmsg+0xcd/0x170
[ 5334.675292][T12167]      do_syscall_64+0xc6/0x1e0
[ 5334.675292][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5334.675292][T12167] 
[ 5344.918879][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5344.919343][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5344.919343][T12167]      netdev_get_by_index+0x5e/0x80
[ 5344.919343][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5344.919343][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5344.919343][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5344.919343][T12167]      ipv6_add_addr+0x411/0x2000
[ 5344.919343][T12167]      inet6_addr_add+0x30e/0xa40
[ 5344.919343][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5344.919343][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5344.919343][T12167]      netlink_rcv_skb+0x130/0x360
[ 5344.919343][T12167]      netlink_unicast+0x449/0x710
[ 5344.919343][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5344.919343][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5344.919343][T12167]      ___sys_sendmsg+0xee/0x170
[ 5344.919343][T12167]      __sys_sendmsg+0xcd/0x170
[ 5344.919343][T12167]      do_syscall_64+0xc6/0x1e0
[ 5344.919343][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5344.919343][T12167] 
[ 5344.921773][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5344.921773][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5344.921773][T12167]      ipv6_find_idev+0x102/0x170
[ 5344.921773][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5344.921773][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5344.921773][T12167]      netlink_rcv_skb+0x130/0x360
[ 5344.921773][T12167]      netlink_unicast+0x449/0x710
[ 5344.921773][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5344.921773][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5344.921773][T12167]      ___sys_sendmsg+0xee/0x170
[ 5344.921773][T12167]      __sys_sendmsg+0xcd/0x170
[ 5344.921773][T12167]      do_syscall_64+0xc6/0x1e0
[ 5344.921773][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5344.921773][T12167] 
[ 5344.923536][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5344.923536][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5344.923536][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5344.923536][T12167]      ipv6_find_idev+0x102/0x170
[ 5344.923536][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5344.923536][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5344.923536][T12167]      netlink_rcv_skb+0x130/0x360
[ 5344.923536][T12167]      netlink_unicast+0x449/0x710
[ 5344.923536][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5344.923536][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5344.923536][T12167]      ___sys_sendmsg+0xee/0x170
[ 5344.923536][T12167]      __sys_sendmsg+0xcd/0x170
[ 5344.923536][T12167]      do_syscall_64+0xc6/0x1e0
[ 5344.923536][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5344.923536][T12167] 
[ 5355.166800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5355.167318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5355.167318][T12167]      netdev_get_by_index+0x5e/0x80
[ 5355.167318][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5355.167318][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5355.167318][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5355.167318][T12167]      ipv6_add_addr+0x411/0x2000
[ 5355.167318][T12167]      inet6_addr_add+0x30e/0xa40
[ 5355.167318][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5355.167318][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5355.167318][T12167]      netlink_rcv_skb+0x130/0x360
[ 5355.167318][T12167]      netlink_unicast+0x449/0x710
[ 5355.167318][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5355.167318][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5355.167318][T12167]      ___sys_sendmsg+0xee/0x170
[ 5355.167318][T12167]      __sys_sendmsg+0xcd/0x170
[ 5355.167318][T12167]      do_syscall_64+0xc6/0x1e0
[ 5355.167318][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5355.167318][T12167] 
[ 5355.169699][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5355.169699][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5355.169699][T12167]      ipv6_find_idev+0x102/0x170
[ 5355.169699][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5355.169699][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5355.169699][T12167]      netlink_rcv_skb+0x130/0x360
[ 5355.169699][T12167]      netlink_unicast+0x449/0x710
[ 5355.169699][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5355.169699][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5355.169699][T12167]      ___sys_sendmsg+0xee/0x170
[ 5355.169699][T12167]      __sys_sendmsg+0xcd/0x170
[ 5355.169699][T12167]      do_syscall_64+0xc6/0x1e0
[ 5355.169699][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5355.169699][T12167] 
[ 5355.171503][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5355.171503][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5355.171503][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5355.171503][T12167]      ipv6_find_idev+0x102/0x170
[ 5355.171503][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5355.171503][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5355.171503][T12167]      netlink_rcv_skb+0x130/0x360
[ 5355.171503][T12167]      netlink_unicast+0x449/0x710
[ 5355.171503][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5355.171503][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5355.171503][T12167]      ___sys_sendmsg+0xee/0x170
[ 5355.171503][T12167]      __sys_sendmsg+0xcd/0x170
[ 5355.171503][T12167]      do_syscall_64+0xc6/0x1e0
[ 5355.171503][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5355.171503][T12167] 
[ 5365.182805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5365.183247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5365.183247][T12167]      netdev_get_by_index+0x5e/0x80
[ 5365.183247][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5365.183247][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5365.183247][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5365.183247][T12167]      ipv6_add_addr+0x411/0x2000
[ 5365.183247][T12167]      inet6_addr_add+0x30e/0xa40
[ 5365.183247][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5365.183247][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5365.183247][T12167]      netlink_rcv_skb+0x130/0x360
[ 5365.183247][T12167]      netlink_unicast+0x449/0x710
[ 5365.183247][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5365.183247][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5365.183247][T12167]      ___sys_sendmsg+0xee/0x170
[ 5365.183247][T12167]      __sys_sendmsg+0xcd/0x170
[ 5365.183247][T12167]      do_syscall_64+0xc6/0x1e0
[ 5365.183247][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5365.183247][T12167] 
[ 5365.185582][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5365.185582][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5365.185582][T12167]      ipv6_find_idev+0x102/0x170
[ 5365.185582][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5365.185582][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5365.185582][T12167]      netlink_rcv_skb+0x130/0x360
[ 5365.185582][T12167]      netlink_unicast+0x449/0x710
[ 5365.185582][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5365.185582][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5365.185582][T12167]      ___sys_sendmsg+0xee/0x170
[ 5365.185582][T12167]      __sys_sendmsg+0xcd/0x170
[ 5365.185582][T12167]      do_syscall_64+0xc6/0x1e0
[ 5365.185582][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5365.185582][T12167] 
[ 5365.187346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5365.187346][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5365.187346][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5365.187346][T12167]      ipv6_find_idev+0x102/0x170
[ 5365.187346][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5365.187346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5365.187346][T12167]      netlink_rcv_skb+0x130/0x360
[ 5365.187346][T12167]      netlink_unicast+0x449/0x710
[ 5365.187346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5365.187346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5365.187346][T12167]      ___sys_sendmsg+0xee/0x170
[ 5365.187346][T12167]      __sys_sendmsg+0xcd/0x170
[ 5365.187346][T12167]      do_syscall_64+0xc6/0x1e0
[ 5365.187346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5365.187346][T12167] 
[ 5375.430745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5375.431171][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5375.431171][T12167]      netdev_get_by_index+0x5e/0x80
[ 5375.431171][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5375.431171][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5375.431171][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5375.431171][T12167]      ipv6_add_addr+0x411/0x2000
[ 5375.431171][T12167]      inet6_addr_add+0x30e/0xa40
[ 5375.431171][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5375.431171][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5375.431171][T12167]      netlink_rcv_skb+0x130/0x360
[ 5375.431171][T12167]      netlink_unicast+0x449/0x710
[ 5375.431171][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5375.431171][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5375.431171][T12167]      ___sys_sendmsg+0xee/0x170
[ 5375.431171][T12167]      __sys_sendmsg+0xcd/0x170
[ 5375.431171][T12167]      do_syscall_64+0xc6/0x1e0
[ 5375.431171][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5375.431171][T12167] 
[ 5375.433472][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5375.433472][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5375.433472][T12167]      ipv6_find_idev+0x102/0x170
[ 5375.433472][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5375.433472][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5375.433472][T12167]      netlink_rcv_skb+0x130/0x360
[ 5375.433472][T12167]      netlink_unicast+0x449/0x710
[ 5375.433472][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5375.433472][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5375.433472][T12167]      ___sys_sendmsg+0xee/0x170
[ 5375.433472][T12167]      __sys_sendmsg+0xcd/0x170
[ 5375.433472][T12167]      do_syscall_64+0xc6/0x1e0
[ 5375.433472][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5375.433472][T12167] 
[ 5375.435237][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5375.435237][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5375.435237][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5375.435237][T12167]      ipv6_find_idev+0x102/0x170
[ 5375.435237][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5375.435237][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5375.435237][T12167]      netlink_rcv_skb+0x130/0x360
[ 5375.435237][T12167]      netlink_unicast+0x449/0x710
[ 5375.435237][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5375.435237][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5375.435237][T12167]      ___sys_sendmsg+0xee/0x170
[ 5375.435237][T12167]      __sys_sendmsg+0xcd/0x170
[ 5375.435237][T12167]      do_syscall_64+0xc6/0x1e0
[ 5375.435237][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5375.435237][T12167] 
[ 5385.678805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5385.679241][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5385.679241][T12167]      netdev_get_by_index+0x5e/0x80
[ 5385.679241][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5385.679241][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5385.679241][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5385.679241][T12167]      ipv6_add_addr+0x411/0x2000
[ 5385.679241][T12167]      inet6_addr_add+0x30e/0xa40
[ 5385.679241][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5385.679241][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5385.679241][T12167]      netlink_rcv_skb+0x130/0x360
[ 5385.679241][T12167]      netlink_unicast+0x449/0x710
[ 5385.679241][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5385.679241][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5385.679241][T12167]      ___sys_sendmsg+0xee/0x170
[ 5385.679241][T12167]      __sys_sendmsg+0xcd/0x170
[ 5385.679241][T12167]      do_syscall_64+0xc6/0x1e0
[ 5385.679241][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5385.679241][T12167] 
[ 5385.681550][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5385.681550][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5385.681550][T12167]      ipv6_find_idev+0x102/0x170
[ 5385.681550][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5385.681550][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5385.681550][T12167]      netlink_rcv_skb+0x130/0x360
[ 5385.681550][T12167]      netlink_unicast+0x449/0x710
[ 5385.681550][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5385.681550][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5385.681550][T12167]      ___sys_sendmsg+0xee/0x170
[ 5385.681550][T12167]      __sys_sendmsg+0xcd/0x170
[ 5385.681550][T12167]      do_syscall_64+0xc6/0x1e0
[ 5385.681550][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5385.681550][T12167] 
[ 5385.683298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5385.683298][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5385.683298][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5385.683298][T12167]      ipv6_find_idev+0x102/0x170
[ 5385.683298][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5385.683298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5385.683298][T12167]      netlink_rcv_skb+0x130/0x360
[ 5385.683298][T12167]      netlink_unicast+0x449/0x710
[ 5385.683298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5385.683298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5385.683298][T12167]      ___sys_sendmsg+0xee/0x170
[ 5385.683298][T12167]      __sys_sendmsg+0xcd/0x170
[ 5385.683298][T12167]      do_syscall_64+0xc6/0x1e0
[ 5385.683298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5385.683298][T12167] 
[ 5395.926811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5395.927255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5395.927255][T12167]      netdev_get_by_index+0x5e/0x80
[ 5395.927255][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5395.927255][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5395.927255][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5395.927255][T12167]      ipv6_add_addr+0x411/0x2000
[ 5395.927255][T12167]      inet6_addr_add+0x30e/0xa40
[ 5395.927255][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5395.927255][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5395.927255][T12167]      netlink_rcv_skb+0x130/0x360
[ 5395.927255][T12167]      netlink_unicast+0x449/0x710
[ 5395.927255][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5395.927255][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5395.927255][T12167]      ___sys_sendmsg+0xee/0x170
[ 5395.927255][T12167]      __sys_sendmsg+0xcd/0x170
[ 5395.927255][T12167]      do_syscall_64+0xc6/0x1e0
[ 5395.927255][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5395.927255][T12167] 
[ 5395.929541][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5395.929541][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5395.929541][T12167]      ipv6_find_idev+0x102/0x170
[ 5395.929541][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5395.929541][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5395.929541][T12167]      netlink_rcv_skb+0x130/0x360
[ 5395.929541][T12167]      netlink_unicast+0x449/0x710
[ 5395.929541][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5395.929541][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5395.929541][T12167]      ___sys_sendmsg+0xee/0x170
[ 5395.929541][T12167]      __sys_sendmsg+0xcd/0x170
[ 5395.929541][T12167]      do_syscall_64+0xc6/0x1e0
[ 5395.929541][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5395.929541][T12167] 
[ 5395.931302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5395.931302][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5395.931302][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5395.931302][T12167]      ipv6_find_idev+0x102/0x170
[ 5395.931302][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5395.931302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5395.931302][T12167]      netlink_rcv_skb+0x130/0x360
[ 5395.931302][T12167]      netlink_unicast+0x449/0x710
[ 5395.931302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5395.931302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5395.931302][T12167]      ___sys_sendmsg+0xee/0x170
[ 5395.931302][T12167]      __sys_sendmsg+0xcd/0x170
[ 5395.931302][T12167]      do_syscall_64+0xc6/0x1e0
[ 5395.931302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5395.931302][T12167] 
[ 5406.174742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5406.175195][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5406.175195][T12167]      netdev_get_by_index+0x5e/0x80
[ 5406.175195][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5406.175195][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5406.175195][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5406.175195][T12167]      ipv6_add_addr+0x411/0x2000
[ 5406.175195][T12167]      inet6_addr_add+0x30e/0xa40
[ 5406.175195][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5406.175195][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5406.175195][T12167]      netlink_rcv_skb+0x130/0x360
[ 5406.175195][T12167]      netlink_unicast+0x449/0x710
[ 5406.175195][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5406.175195][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5406.175195][T12167]      ___sys_sendmsg+0xee/0x170
[ 5406.175195][T12167]      __sys_sendmsg+0xcd/0x170
[ 5406.175195][T12167]      do_syscall_64+0xc6/0x1e0
[ 5406.175195][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5406.175195][T12167] 
[ 5406.177463][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5406.177463][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5406.177463][T12167]      ipv6_find_idev+0x102/0x170
[ 5406.177463][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5406.177463][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5406.177463][T12167]      netlink_rcv_skb+0x130/0x360
[ 5406.177463][T12167]      netlink_unicast+0x449/0x710
[ 5406.177463][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5406.177463][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5406.177463][T12167]      ___sys_sendmsg+0xee/0x170
[ 5406.177463][T12167]      __sys_sendmsg+0xcd/0x170
[ 5406.177463][T12167]      do_syscall_64+0xc6/0x1e0
[ 5406.177463][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5406.177463][T12167] 
[ 5406.179219][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5406.179219][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5406.179219][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5406.179219][T12167]      ipv6_find_idev+0x102/0x170
[ 5406.179219][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5406.179219][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5406.179219][T12167]      netlink_rcv_skb+0x130/0x360
[ 5406.179219][T12167]      netlink_unicast+0x449/0x710
[ 5406.179219][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5406.179219][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5406.179219][T12167]      ___sys_sendmsg+0xee/0x170
[ 5406.179219][T12167]      __sys_sendmsg+0xcd/0x170
[ 5406.179219][T12167]      do_syscall_64+0xc6/0x1e0
[ 5406.179219][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5406.179219][T12167] 
[ 5416.238811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5416.239257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5416.239257][T12167]      netdev_get_by_index+0x5e/0x80
[ 5416.239257][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5416.239257][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5416.239257][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5416.239257][T12167]      ipv6_add_addr+0x411/0x2000
[ 5416.239257][T12167]      inet6_addr_add+0x30e/0xa40
[ 5416.239257][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5416.239257][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5416.239257][T12167]      netlink_rcv_skb+0x130/0x360
[ 5416.239257][T12167]      netlink_unicast+0x449/0x710
[ 5416.239257][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5416.239257][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5416.239257][T12167]      ___sys_sendmsg+0xee/0x170
[ 5416.239257][T12167]      __sys_sendmsg+0xcd/0x170
[ 5416.239257][T12167]      do_syscall_64+0xc6/0x1e0
[ 5416.239257][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5416.239257][T12167] 
[ 5416.241542][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5416.241542][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5416.241542][T12167]      ipv6_find_idev+0x102/0x170
[ 5416.241542][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5416.241542][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5416.241542][T12167]      netlink_rcv_skb+0x130/0x360
[ 5416.241542][T12167]      netlink_unicast+0x449/0x710
[ 5416.241542][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5416.241542][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5416.241542][T12167]      ___sys_sendmsg+0xee/0x170
[ 5416.241542][T12167]      __sys_sendmsg+0xcd/0x170
[ 5416.241542][T12167]      do_syscall_64+0xc6/0x1e0
[ 5416.241542][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5416.241542][T12167] 
[ 5416.243289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5416.243289][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5416.243289][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5416.243289][T12167]      ipv6_find_idev+0x102/0x170
[ 5416.243289][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5416.243289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5416.243289][T12167]      netlink_rcv_skb+0x130/0x360
[ 5416.243289][T12167]      netlink_unicast+0x449/0x710
[ 5416.243289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5416.243289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5416.243289][T12167]      ___sys_sendmsg+0xee/0x170
[ 5416.243289][T12167]      __sys_sendmsg+0xcd/0x170
[ 5416.243289][T12167]      do_syscall_64+0xc6/0x1e0
[ 5416.243289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5416.243289][T12167] 
[ 5426.494803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5426.495271][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5426.495271][T12167]      netdev_get_by_index+0x5e/0x80
[ 5426.495271][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5426.495271][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5426.495271][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5426.495271][T12167]      ipv6_add_addr+0x411/0x2000
[ 5426.495271][T12167]      inet6_addr_add+0x30e/0xa40
[ 5426.495271][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5426.495271][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5426.495271][T12167]      netlink_rcv_skb+0x130/0x360
[ 5426.495271][T12167]      netlink_unicast+0x449/0x710
[ 5426.495271][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5426.495271][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5426.495271][T12167]      ___sys_sendmsg+0xee/0x170
[ 5426.495271][T12167]      __sys_sendmsg+0xcd/0x170
[ 5426.495271][T12167]      do_syscall_64+0xc6/0x1e0
[ 5426.495271][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5426.495271][T12167] 
[ 5426.497545][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5426.497545][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5426.497545][T12167]      ipv6_find_idev+0x102/0x170
[ 5426.497545][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5426.497545][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5426.497545][T12167]      netlink_rcv_skb+0x130/0x360
[ 5426.497545][T12167]      netlink_unicast+0x449/0x710
[ 5426.497545][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5426.497545][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5426.497545][T12167]      ___sys_sendmsg+0xee/0x170
[ 5426.497545][T12167]      __sys_sendmsg+0xcd/0x170
[ 5426.497545][T12167]      do_syscall_64+0xc6/0x1e0
[ 5426.497545][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5426.497545][T12167] 
[ 5426.499290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5426.499290][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5426.499290][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5426.499290][T12167]      ipv6_find_idev+0x102/0x170
[ 5426.499290][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5426.499290][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5426.499290][T12167]      netlink_rcv_skb+0x130/0x360
[ 5426.499290][T12167]      netlink_unicast+0x449/0x710
[ 5426.499290][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5426.499290][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5426.499290][T12167]      ___sys_sendmsg+0xee/0x170
[ 5426.499290][T12167]      __sys_sendmsg+0xcd/0x170
[ 5426.499290][T12167]      do_syscall_64+0xc6/0x1e0
[ 5426.499290][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5426.499290][T12167] 
[ 5436.750821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5436.751249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5436.751249][T12167]      netdev_get_by_index+0x5e/0x80
[ 5436.751249][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5436.751249][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5436.751249][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5436.751249][T12167]      ipv6_add_addr+0x411/0x2000
[ 5436.751249][T12167]      inet6_addr_add+0x30e/0xa40
[ 5436.751249][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5436.751249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5436.751249][T12167]      netlink_rcv_skb+0x130/0x360
[ 5436.751249][T12167]      netlink_unicast+0x449/0x710
[ 5436.751249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5436.751249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5436.751249][T12167]      ___sys_sendmsg+0xee/0x170
[ 5436.751249][T12167]      __sys_sendmsg+0xcd/0x170
[ 5436.751249][T12167]      do_syscall_64+0xc6/0x1e0
[ 5436.751249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5436.751249][T12167] 
[ 5436.753551][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5436.753551][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5436.753551][T12167]      ipv6_find_idev+0x102/0x170
[ 5436.753551][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5436.753551][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5436.753551][T12167]      netlink_rcv_skb+0x130/0x360
[ 5436.753551][T12167]      netlink_unicast+0x449/0x710
[ 5436.753551][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5436.753551][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5436.753551][T12167]      ___sys_sendmsg+0xee/0x170
[ 5436.753551][T12167]      __sys_sendmsg+0xcd/0x170
[ 5436.753551][T12167]      do_syscall_64+0xc6/0x1e0
[ 5436.753551][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5436.753551][T12167] 
[ 5436.755303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5436.755303][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5436.755303][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5436.755303][T12167]      ipv6_find_idev+0x102/0x170
[ 5436.755303][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5436.755303][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5436.755303][T12167]      netlink_rcv_skb+0x130/0x360
[ 5436.755303][T12167]      netlink_unicast+0x449/0x710
[ 5436.755303][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5436.755303][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5436.755303][T12167]      ___sys_sendmsg+0xee/0x170
[ 5436.755303][T12167]      __sys_sendmsg+0xcd/0x170
[ 5436.755303][T12167]      do_syscall_64+0xc6/0x1e0
[ 5436.755303][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5436.755303][T12167] 
[ 5447.006798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5447.007222][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5447.007222][T12167]      netdev_get_by_index+0x5e/0x80
[ 5447.007222][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5447.007222][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5447.007222][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5447.007222][T12167]      ipv6_add_addr+0x411/0x2000
[ 5447.007222][T12167]      inet6_addr_add+0x30e/0xa40
[ 5447.007222][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5447.007222][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5447.007222][T12167]      netlink_rcv_skb+0x130/0x360
[ 5447.007222][T12167]      netlink_unicast+0x449/0x710
[ 5447.007222][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5447.007222][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5447.007222][T12167]      ___sys_sendmsg+0xee/0x170
[ 5447.007222][T12167]      __sys_sendmsg+0xcd/0x170
[ 5447.007222][T12167]      do_syscall_64+0xc6/0x1e0
[ 5447.007222][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5447.007222][T12167] 
[ 5447.010061][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5447.010061][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5447.010061][T12167]      ipv6_find_idev+0x102/0x170
[ 5447.010061][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5447.010061][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5447.010061][T12167]      netlink_rcv_skb+0x130/0x360
[ 5447.010061][T12167]      netlink_unicast+0x449/0x710
[ 5447.010061][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5447.010061][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5447.010061][T12167]      ___sys_sendmsg+0xee/0x170
[ 5447.010061][T12167]      __sys_sendmsg+0xcd/0x170
[ 5447.010061][T12167]      do_syscall_64+0xc6/0x1e0
[ 5447.010061][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5447.010061][T12167] 
[ 5447.011811][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5447.011811][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5447.011811][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5447.011811][T12167]      ipv6_find_idev+0x102/0x170
[ 5447.011811][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5447.011811][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5447.011811][T12167]      netlink_rcv_skb+0x130/0x360
[ 5447.011811][T12167]      netlink_unicast+0x449/0x710
[ 5447.011811][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5447.011811][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5447.011811][T12167]      ___sys_sendmsg+0xee/0x170
[ 5447.011811][T12167]      __sys_sendmsg+0xcd/0x170
[ 5447.011811][T12167]      do_syscall_64+0xc6/0x1e0
[ 5447.011811][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5447.011811][T12167] 
[ 5457.334902][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5457.335326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5457.335326][T12167]      netdev_get_by_index+0x5e/0x80
[ 5457.335326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5457.335326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5457.335326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5457.335326][T12167]      ipv6_add_addr+0x411/0x2000
[ 5457.335326][T12167]      inet6_addr_add+0x30e/0xa40
[ 5457.335326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5457.335326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5457.335326][T12167]      netlink_rcv_skb+0x130/0x360
[ 5457.335326][T12167]      netlink_unicast+0x449/0x710
[ 5457.335326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5457.335326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5457.335326][T12167]      ___sys_sendmsg+0xee/0x170
[ 5457.335326][T12167]      __sys_sendmsg+0xcd/0x170
[ 5457.335326][T12167]      do_syscall_64+0xc6/0x1e0
[ 5457.335326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5457.335326][T12167] 
[ 5457.337610][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5457.337610][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5457.337610][T12167]      ipv6_find_idev+0x102/0x170
[ 5457.337610][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5457.337610][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5457.337610][T12167]      netlink_rcv_skb+0x130/0x360
[ 5457.337610][T12167]      netlink_unicast+0x449/0x710
[ 5457.337610][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5457.337610][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5457.337610][T12167]      ___sys_sendmsg+0xee/0x170
[ 5457.337610][T12167]      __sys_sendmsg+0xcd/0x170
[ 5457.337610][T12167]      do_syscall_64+0xc6/0x1e0
[ 5457.337610][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5457.337610][T12167] 
[ 5457.339350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5457.339350][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5457.339350][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5457.339350][T12167]      ipv6_find_idev+0x102/0x170
[ 5457.339350][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5457.339350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5457.339350][T12167]      netlink_rcv_skb+0x130/0x360
[ 5457.339350][T12167]      netlink_unicast+0x449/0x710
[ 5457.339350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5457.339350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5457.339350][T12167]      ___sys_sendmsg+0xee/0x170
[ 5457.339350][T12167]      __sys_sendmsg+0xcd/0x170
[ 5457.339350][T12167]      do_syscall_64+0xc6/0x1e0
[ 5457.339350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5457.339350][T12167] 
[ 5467.502814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5467.503362][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5467.503362][T12167]      netdev_get_by_index+0x5e/0x80
[ 5467.503362][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5467.503362][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5467.503362][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5467.503362][T12167]      ipv6_add_addr+0x411/0x2000
[ 5467.503362][T12167]      inet6_addr_add+0x30e/0xa40
[ 5467.503362][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5467.503362][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5467.503362][T12167]      netlink_rcv_skb+0x130/0x360
[ 5467.503362][T12167]      netlink_unicast+0x449/0x710
[ 5467.503362][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5467.503362][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5467.503362][T12167]      ___sys_sendmsg+0xee/0x170
[ 5467.503362][T12167]      __sys_sendmsg+0xcd/0x170
[ 5467.503362][T12167]      do_syscall_64+0xc6/0x1e0
[ 5467.503362][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5467.503362][T12167] 
[ 5467.507071][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5467.507071][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5467.507071][T12167]      ipv6_find_idev+0x102/0x170
[ 5467.507071][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5467.507071][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5467.507071][T12167]      netlink_rcv_skb+0x130/0x360
[ 5467.507071][T12167]      netlink_unicast+0x449/0x710
[ 5467.507071][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5467.507071][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5467.507071][T12167]      ___sys_sendmsg+0xee/0x170
[ 5467.507071][T12167]      __sys_sendmsg+0xcd/0x170
[ 5467.507071][T12167]      do_syscall_64+0xc6/0x1e0
[ 5467.507071][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5467.507071][T12167] 
[ 5467.509957][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5467.509957][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5467.509957][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5467.509957][T12167]      ipv6_find_idev+0x102/0x170
[ 5467.509957][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5467.509957][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5467.509957][T12167]      netlink_rcv_skb+0x130/0x360
[ 5467.509957][T12167]      netlink_unicast+0x449/0x710
[ 5467.509957][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5467.509957][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5467.509957][T12167]      ___sys_sendmsg+0xee/0x170
[ 5467.509957][T12167]      __sys_sendmsg+0xcd/0x170
[ 5467.509957][T12167]      do_syscall_64+0xc6/0x1e0
[ 5467.509957][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5467.509957][T12167] 
[ 5477.614801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5477.615350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5477.615350][T12167]      netdev_get_by_index+0x5e/0x80
[ 5477.615350][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5477.615350][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5477.615350][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5477.615350][T12167]      ipv6_add_addr+0x411/0x2000
[ 5477.615350][T12167]      inet6_addr_add+0x30e/0xa40
[ 5477.615350][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5477.615350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5477.615350][T12167]      netlink_rcv_skb+0x130/0x360
[ 5477.615350][T12167]      netlink_unicast+0x449/0x710
[ 5477.615350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5477.615350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5477.615350][T12167]      ___sys_sendmsg+0xee/0x170
[ 5477.615350][T12167]      __sys_sendmsg+0xcd/0x170
[ 5477.615350][T12167]      do_syscall_64+0xc6/0x1e0
[ 5477.615350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5477.615350][T12167] 
[ 5477.619076][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5477.619076][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5477.619076][T12167]      ipv6_find_idev+0x102/0x170
[ 5477.619076][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5477.619076][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5477.619076][T12167]      netlink_rcv_skb+0x130/0x360
[ 5477.619076][T12167]      netlink_unicast+0x449/0x710
[ 5477.619076][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5477.619076][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5477.619076][T12167]      ___sys_sendmsg+0xee/0x170
[ 5477.619076][T12167]      __sys_sendmsg+0xcd/0x170
[ 5477.619076][T12167]      do_syscall_64+0xc6/0x1e0
[ 5477.619076][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5477.619076][T12167] 
[ 5477.621963][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5477.621963][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5477.621963][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5477.621963][T12167]      ipv6_find_idev+0x102/0x170
[ 5477.621963][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5477.621963][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5477.621963][T12167]      netlink_rcv_skb+0x130/0x360
[ 5477.621963][T12167]      netlink_unicast+0x449/0x710
[ 5477.621963][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5477.621963][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5477.621963][T12167]      ___sys_sendmsg+0xee/0x170
[ 5477.621963][T12167]      __sys_sendmsg+0xcd/0x170
[ 5477.621963][T12167]      do_syscall_64+0xc6/0x1e0
[ 5477.621963][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5477.621963][T12167] 
[ 5488.334873][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5488.335433][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5488.335433][T12167]      netdev_get_by_index+0x5e/0x80
[ 5488.335433][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5488.335433][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5488.335433][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5488.335433][T12167]      ipv6_add_addr+0x411/0x2000
[ 5488.335433][T12167]      inet6_addr_add+0x30e/0xa40
[ 5488.335433][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5488.335433][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5488.335433][T12167]      netlink_rcv_skb+0x130/0x360
[ 5488.335433][T12167]      netlink_unicast+0x449/0x710
[ 5488.335433][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5488.335433][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5488.335433][T12167]      ___sys_sendmsg+0xee/0x170
[ 5488.335433][T12167]      __sys_sendmsg+0xcd/0x170
[ 5488.335433][T12167]      do_syscall_64+0xc6/0x1e0
[ 5488.335433][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5488.335433][T12167] 
[ 5488.340465][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5488.340465][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5488.340465][T12167]      ipv6_find_idev+0x102/0x170
[ 5488.340465][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5488.340465][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5488.340465][T12167]      netlink_rcv_skb+0x130/0x360
[ 5488.340465][T12167]      netlink_unicast+0x449/0x710
[ 5488.340465][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5488.340465][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5488.340465][T12167]      ___sys_sendmsg+0xee/0x170
[ 5488.340465][T12167]      __sys_sendmsg+0xcd/0x170
[ 5488.340465][T12167]      do_syscall_64+0xc6/0x1e0
[ 5488.340465][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5488.340465][T12167] 
[ 5488.342221][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5488.342221][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5488.342221][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5488.342221][T12167]      ipv6_find_idev+0x102/0x170
[ 5488.342221][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5488.342221][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5488.342221][T12167]      netlink_rcv_skb+0x130/0x360
[ 5488.342221][T12167]      netlink_unicast+0x449/0x710
[ 5488.342221][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5488.342221][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5488.342221][T12167]      ___sys_sendmsg+0xee/0x170
[ 5488.342221][T12167]      __sys_sendmsg+0xcd/0x170
[ 5488.342221][T12167]      do_syscall_64+0xc6/0x1e0
[ 5488.342221][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5488.342221][T12167] 
[ 5498.582880][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5498.583392][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5498.583392][T12167]      netdev_get_by_index+0x5e/0x80
[ 5498.583392][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5498.583392][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5498.583392][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5498.583392][T12167]      ipv6_add_addr+0x411/0x2000
[ 5498.583392][T12167]      inet6_addr_add+0x30e/0xa40
[ 5498.583392][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5498.583392][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5498.583392][T12167]      netlink_rcv_skb+0x130/0x360
[ 5498.583392][T12167]      netlink_unicast+0x449/0x710
[ 5498.583392][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5498.583392][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5498.583392][T12167]      ___sys_sendmsg+0xee/0x170
[ 5498.583392][T12167]      __sys_sendmsg+0xcd/0x170
[ 5498.583392][T12167]      do_syscall_64+0xc6/0x1e0
[ 5498.583392][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5498.583392][T12167] 
[ 5498.585693][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5498.585693][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5498.585693][T12167]      ipv6_find_idev+0x102/0x170
[ 5498.585693][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5498.585693][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5498.585693][T12167]      netlink_rcv_skb+0x130/0x360
[ 5498.585693][T12167]      netlink_unicast+0x449/0x710
[ 5498.585693][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5498.585693][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5498.585693][T12167]      ___sys_sendmsg+0xee/0x170
[ 5498.585693][T12167]      __sys_sendmsg+0xcd/0x170
[ 5498.585693][T12167]      do_syscall_64+0xc6/0x1e0
[ 5498.585693][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5498.585693][T12167] 
[ 5498.587446][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5498.587446][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5498.587446][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5498.587446][T12167]      ipv6_find_idev+0x102/0x170
[ 5498.587446][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5498.587446][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5498.587446][T12167]      netlink_rcv_skb+0x130/0x360
[ 5498.587446][T12167]      netlink_unicast+0x449/0x710
[ 5498.587446][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5498.587446][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5498.587446][T12167]      ___sys_sendmsg+0xee/0x170
[ 5498.587446][T12167]      __sys_sendmsg+0xcd/0x170
[ 5498.587446][T12167]      do_syscall_64+0xc6/0x1e0
[ 5498.587446][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5498.587446][T12167] 
[ 5508.686742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5508.687198][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5508.687198][T12167]      netdev_get_by_index+0x5e/0x80
[ 5508.687198][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5508.687198][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5508.687198][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5508.687198][T12167]      ipv6_add_addr+0x411/0x2000
[ 5508.687198][T12167]      inet6_addr_add+0x30e/0xa40
[ 5508.687198][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5508.687198][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5508.687198][T12167]      netlink_rcv_skb+0x130/0x360
[ 5508.687198][T12167]      netlink_unicast+0x449/0x710
[ 5508.687198][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5508.687198][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5508.687198][T12167]      ___sys_sendmsg+0xee/0x170
[ 5508.687198][T12167]      __sys_sendmsg+0xcd/0x170
[ 5508.687198][T12167]      do_syscall_64+0xc6/0x1e0
[ 5508.687198][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5508.687198][T12167] 
[ 5508.689466][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5508.689466][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5508.689466][T12167]      ipv6_find_idev+0x102/0x170
[ 5508.689466][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5508.689466][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5508.689466][T12167]      netlink_rcv_skb+0x130/0x360
[ 5508.689466][T12167]      netlink_unicast+0x449/0x710
[ 5508.689466][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5508.689466][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5508.689466][T12167]      ___sys_sendmsg+0xee/0x170
[ 5508.689466][T12167]      __sys_sendmsg+0xcd/0x170
[ 5508.689466][T12167]      do_syscall_64+0xc6/0x1e0
[ 5508.689466][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5508.689466][T12167] 
[ 5508.691227][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5508.691227][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5508.691227][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5508.691227][T12167]      ipv6_find_idev+0x102/0x170
[ 5508.691227][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5508.691227][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5508.691227][T12167]      netlink_rcv_skb+0x130/0x360
[ 5508.691227][T12167]      netlink_unicast+0x449/0x710
[ 5508.691227][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5508.691227][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5508.691227][T12167]      ___sys_sendmsg+0xee/0x170
[ 5508.691227][T12167]      __sys_sendmsg+0xcd/0x170
[ 5508.691227][T12167]      do_syscall_64+0xc6/0x1e0
[ 5508.691227][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5508.691227][T12167] 
[ 5518.934814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5518.935238][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5518.935238][T12167]      netdev_get_by_index+0x5e/0x80
[ 5518.935238][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5518.935238][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5518.935238][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5518.935238][T12167]      ipv6_add_addr+0x411/0x2000
[ 5518.935238][T12167]      inet6_addr_add+0x30e/0xa40
[ 5518.935238][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5518.935238][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5518.935238][T12167]      netlink_rcv_skb+0x130/0x360
[ 5518.935238][T12167]      netlink_unicast+0x449/0x710
[ 5518.935238][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5518.935238][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5518.935238][T12167]      ___sys_sendmsg+0xee/0x170
[ 5518.935238][T12167]      __sys_sendmsg+0xcd/0x170
[ 5518.935238][T12167]      do_syscall_64+0xc6/0x1e0
[ 5518.935238][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5518.935238][T12167] 
[ 5518.937542][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5518.937542][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5518.937542][T12167]      ipv6_find_idev+0x102/0x170
[ 5518.937542][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5518.937542][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5518.937542][T12167]      netlink_rcv_skb+0x130/0x360
[ 5518.937542][T12167]      netlink_unicast+0x449/0x710
[ 5518.937542][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5518.937542][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5518.937542][T12167]      ___sys_sendmsg+0xee/0x170
[ 5518.937542][T12167]      __sys_sendmsg+0xcd/0x170
[ 5518.937542][T12167]      do_syscall_64+0xc6/0x1e0
[ 5518.937542][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5518.937542][T12167] 
[ 5518.939301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5518.939301][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5518.939301][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5518.939301][T12167]      ipv6_find_idev+0x102/0x170
[ 5518.939301][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5518.939301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5518.939301][T12167]      netlink_rcv_skb+0x130/0x360
[ 5518.939301][T12167]      netlink_unicast+0x449/0x710
[ 5518.939301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5518.939301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5518.939301][T12167]      ___sys_sendmsg+0xee/0x170
[ 5518.939301][T12167]      __sys_sendmsg+0xcd/0x170
[ 5518.939301][T12167]      do_syscall_64+0xc6/0x1e0
[ 5518.939301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5518.939301][T12167] 
[ 5529.182742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5529.183177][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5529.183177][T12167]      netdev_get_by_index+0x5e/0x80
[ 5529.183177][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5529.183177][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5529.183177][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5529.183177][T12167]      ipv6_add_addr+0x411/0x2000
[ 5529.183177][T12167]      inet6_addr_add+0x30e/0xa40
[ 5529.183177][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5529.183177][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5529.183177][T12167]      netlink_rcv_skb+0x130/0x360
[ 5529.183177][T12167]      netlink_unicast+0x449/0x710
[ 5529.183177][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5529.183177][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5529.183177][T12167]      ___sys_sendmsg+0xee/0x170
[ 5529.183177][T12167]      __sys_sendmsg+0xcd/0x170
[ 5529.183177][T12167]      do_syscall_64+0xc6/0x1e0
[ 5529.183177][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5529.183177][T12167] 
[ 5529.185468][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5529.185468][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5529.185468][T12167]      ipv6_find_idev+0x102/0x170
[ 5529.185468][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5529.185468][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5529.185468][T12167]      netlink_rcv_skb+0x130/0x360
[ 5529.185468][T12167]      netlink_unicast+0x449/0x710
[ 5529.185468][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5529.185468][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5529.185468][T12167]      ___sys_sendmsg+0xee/0x170
[ 5529.185468][T12167]      __sys_sendmsg+0xcd/0x170
[ 5529.185468][T12167]      do_syscall_64+0xc6/0x1e0
[ 5529.185468][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5529.185468][T12167] 
[ 5529.187229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5529.187229][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5529.187229][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5529.187229][T12167]      ipv6_find_idev+0x102/0x170
[ 5529.187229][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5529.187229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5529.187229][T12167]      netlink_rcv_skb+0x130/0x360
[ 5529.187229][T12167]      netlink_unicast+0x449/0x710
[ 5529.187229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5529.187229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5529.187229][T12167]      ___sys_sendmsg+0xee/0x170
[ 5529.187229][T12167]      __sys_sendmsg+0xcd/0x170
[ 5529.187229][T12167]      do_syscall_64+0xc6/0x1e0
[ 5529.187229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5529.187229][T12167] 
[ 5539.430807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5539.431245][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5539.431245][T12167]      netdev_get_by_index+0x5e/0x80
[ 5539.431245][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5539.431245][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5539.431245][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5539.431245][T12167]      ipv6_add_addr+0x411/0x2000
[ 5539.431245][T12167]      inet6_addr_add+0x30e/0xa40
[ 5539.431245][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5539.431245][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5539.431245][T12167]      netlink_rcv_skb+0x130/0x360
[ 5539.431245][T12167]      netlink_unicast+0x449/0x710
[ 5539.431245][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5539.431245][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5539.431245][T12167]      ___sys_sendmsg+0xee/0x170
[ 5539.431245][T12167]      __sys_sendmsg+0xcd/0x170
[ 5539.431245][T12167]      do_syscall_64+0xc6/0x1e0
[ 5539.431245][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5539.431245][T12167] 
[ 5539.433541][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5539.433541][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5539.433541][T12167]      ipv6_find_idev+0x102/0x170
[ 5539.433541][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5539.433541][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5539.433541][T12167]      netlink_rcv_skb+0x130/0x360
[ 5539.433541][T12167]      netlink_unicast+0x449/0x710
[ 5539.433541][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5539.433541][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5539.433541][T12167]      ___sys_sendmsg+0xee/0x170
[ 5539.433541][T12167]      __sys_sendmsg+0xcd/0x170
[ 5539.433541][T12167]      do_syscall_64+0xc6/0x1e0
[ 5539.433541][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5539.433541][T12167] 
[ 5539.435399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5539.435399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5539.435399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5539.435399][T12167]      ipv6_find_idev+0x102/0x170
[ 5539.435399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5539.435399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5539.435399][T12167]      netlink_rcv_skb+0x130/0x360
[ 5539.435399][T12167]      netlink_unicast+0x449/0x710
[ 5539.435399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5539.435399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5539.435399][T12167]      ___sys_sendmsg+0xee/0x170
[ 5539.435399][T12167]      __sys_sendmsg+0xcd/0x170
[ 5539.435399][T12167]      do_syscall_64+0xc6/0x1e0
[ 5539.435399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5539.435399][T12167] 
[ 5549.678807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5549.679344][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5549.679344][T12167]      netdev_get_by_index+0x5e/0x80
[ 5549.679344][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5549.679344][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5549.679344][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5549.679344][T12167]      ipv6_add_addr+0x411/0x2000
[ 5549.679344][T12167]      inet6_addr_add+0x30e/0xa40
[ 5549.679344][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5549.679344][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5549.679344][T12167]      netlink_rcv_skb+0x130/0x360
[ 5549.679344][T12167]      netlink_unicast+0x449/0x710
[ 5549.679344][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5549.679344][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5549.679344][T12167]      ___sys_sendmsg+0xee/0x170
[ 5549.679344][T12167]      __sys_sendmsg+0xcd/0x170
[ 5549.679344][T12167]      do_syscall_64+0xc6/0x1e0
[ 5549.679344][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5549.679344][T12167] 
[ 5549.681624][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5549.681624][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5549.681624][T12167]      ipv6_find_idev+0x102/0x170
[ 5549.681624][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5549.681624][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5549.681624][T12167]      netlink_rcv_skb+0x130/0x360
[ 5549.681624][T12167]      netlink_unicast+0x449/0x710
[ 5549.681624][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5549.681624][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5549.681624][T12167]      ___sys_sendmsg+0xee/0x170
[ 5549.681624][T12167]      __sys_sendmsg+0xcd/0x170
[ 5549.681624][T12167]      do_syscall_64+0xc6/0x1e0
[ 5549.681624][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5549.681624][T12167] 
[ 5549.683364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5549.683364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5549.683364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5549.683364][T12167]      ipv6_find_idev+0x102/0x170
[ 5549.683364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5549.683364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5549.683364][T12167]      netlink_rcv_skb+0x130/0x360
[ 5549.683364][T12167]      netlink_unicast+0x449/0x710
[ 5549.683364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5549.683364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5549.683364][T12167]      ___sys_sendmsg+0xee/0x170
[ 5549.683364][T12167]      __sys_sendmsg+0xcd/0x170
[ 5549.683364][T12167]      do_syscall_64+0xc6/0x1e0
[ 5549.683364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5549.683364][T12167] 
[ 5559.926816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5559.927387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5559.927387][T12167]      netdev_get_by_index+0x5e/0x80
[ 5559.927387][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5559.927387][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5559.927387][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5559.927387][T12167]      ipv6_add_addr+0x411/0x2000
[ 5559.927387][T12167]      inet6_addr_add+0x30e/0xa40
[ 5559.927387][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5559.927387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5559.927387][T12167]      netlink_rcv_skb+0x130/0x360
[ 5559.927387][T12167]      netlink_unicast+0x449/0x710
[ 5559.927387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5559.927387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5559.927387][T12167]      ___sys_sendmsg+0xee/0x170
[ 5559.927387][T12167]      __sys_sendmsg+0xcd/0x170
[ 5559.927387][T12167]      do_syscall_64+0xc6/0x1e0
[ 5559.927387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5559.927387][T12167] 
[ 5559.931135][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5559.931135][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5559.931135][T12167]      ipv6_find_idev+0x102/0x170
[ 5559.931135][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5559.931135][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5559.931135][T12167]      netlink_rcv_skb+0x130/0x360
[ 5559.931135][T12167]      netlink_unicast+0x449/0x710
[ 5559.931135][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5559.931135][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5559.931135][T12167]      ___sys_sendmsg+0xee/0x170
[ 5559.931135][T12167]      __sys_sendmsg+0xcd/0x170
[ 5559.931135][T12167]      do_syscall_64+0xc6/0x1e0
[ 5559.931135][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5559.931135][T12167] 
[ 5559.934004][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5559.934004][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5559.934004][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5559.934004][T12167]      ipv6_find_idev+0x102/0x170
[ 5559.934004][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5559.934004][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5559.934004][T12167]      netlink_rcv_skb+0x130/0x360
[ 5559.934004][T12167]      netlink_unicast+0x449/0x710
[ 5559.934004][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5559.934004][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5559.934004][T12167]      ___sys_sendmsg+0xee/0x170
[ 5559.934004][T12167]      __sys_sendmsg+0xcd/0x170
[ 5559.934004][T12167]      do_syscall_64+0xc6/0x1e0
[ 5559.934004][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5559.934004][T12167] 
[ 5570.174815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5570.175327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5570.175327][T12167]      netdev_get_by_index+0x5e/0x80
[ 5570.175327][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5570.175327][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5570.175327][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5570.175327][T12167]      ipv6_add_addr+0x411/0x2000
[ 5570.175327][T12167]      inet6_addr_add+0x30e/0xa40
[ 5570.175327][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5570.175327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5570.175327][T12167]      netlink_rcv_skb+0x130/0x360
[ 5570.175327][T12167]      netlink_unicast+0x449/0x710
[ 5570.175327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5570.175327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5570.175327][T12167]      ___sys_sendmsg+0xee/0x170
[ 5570.175327][T12167]      __sys_sendmsg+0xcd/0x170
[ 5570.175327][T12167]      do_syscall_64+0xc6/0x1e0
[ 5570.175327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5570.175327][T12167] 
[ 5570.177603][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5570.177603][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5570.177603][T12167]      ipv6_find_idev+0x102/0x170
[ 5570.177603][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5570.177603][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5570.177603][T12167]      netlink_rcv_skb+0x130/0x360
[ 5570.177603][T12167]      netlink_unicast+0x449/0x710
[ 5570.177603][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5570.177603][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5570.177603][T12167]      ___sys_sendmsg+0xee/0x170
[ 5570.177603][T12167]      __sys_sendmsg+0xcd/0x170
[ 5570.177603][T12167]      do_syscall_64+0xc6/0x1e0
[ 5570.177603][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5570.177603][T12167] 
[ 5570.179369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5570.179369][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5570.179369][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5570.179369][T12167]      ipv6_find_idev+0x102/0x170
[ 5570.179369][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5570.179369][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5570.179369][T12167]      netlink_rcv_skb+0x130/0x360
[ 5570.179369][T12167]      netlink_unicast+0x449/0x710
[ 5570.179369][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5570.179369][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5570.179369][T12167]      ___sys_sendmsg+0xee/0x170
[ 5570.179369][T12167]      __sys_sendmsg+0xcd/0x170
[ 5570.179369][T12167]      do_syscall_64+0xc6/0x1e0
[ 5570.179369][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5570.179369][T12167] 
[ 5580.422801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5580.423308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5580.423308][T12167]      netdev_get_by_index+0x5e/0x80
[ 5580.423308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5580.423308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5580.423308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5580.423308][T12167]      ipv6_add_addr+0x411/0x2000
[ 5580.423308][T12167]      inet6_addr_add+0x30e/0xa40
[ 5580.423308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5580.423308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5580.423308][T12167]      netlink_rcv_skb+0x130/0x360
[ 5580.423308][T12167]      netlink_unicast+0x449/0x710
[ 5580.423308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5580.423308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5580.423308][T12167]      ___sys_sendmsg+0xee/0x170
[ 5580.423308][T12167]      __sys_sendmsg+0xcd/0x170
[ 5580.423308][T12167]      do_syscall_64+0xc6/0x1e0
[ 5580.423308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5580.423308][T12167] 
[ 5580.425584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5580.425584][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5580.425584][T12167]      ipv6_find_idev+0x102/0x170
[ 5580.425584][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5580.425584][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5580.425584][T12167]      netlink_rcv_skb+0x130/0x360
[ 5580.425584][T12167]      netlink_unicast+0x449/0x710
[ 5580.425584][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5580.425584][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5580.425584][T12167]      ___sys_sendmsg+0xee/0x170
[ 5580.425584][T12167]      __sys_sendmsg+0xcd/0x170
[ 5580.425584][T12167]      do_syscall_64+0xc6/0x1e0
[ 5580.425584][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5580.425584][T12167] 
[ 5580.427334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5580.427334][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5580.427334][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5580.427334][T12167]      ipv6_find_idev+0x102/0x170
[ 5580.427334][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5580.427334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5580.427334][T12167]      netlink_rcv_skb+0x130/0x360
[ 5580.427334][T12167]      netlink_unicast+0x449/0x710
[ 5580.427334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5580.427334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5580.427334][T12167]      ___sys_sendmsg+0xee/0x170
[ 5580.427334][T12167]      __sys_sendmsg+0xcd/0x170
[ 5580.427334][T12167]      do_syscall_64+0xc6/0x1e0
[ 5580.427334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5580.427334][T12167] 
[ 5590.670814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5590.671350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5590.671350][T12167]      netdev_get_by_index+0x5e/0x80
[ 5590.671350][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5590.671350][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5590.671350][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5590.671350][T12167]      ipv6_add_addr+0x411/0x2000
[ 5590.671350][T12167]      inet6_addr_add+0x30e/0xa40
[ 5590.671350][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5590.671350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5590.671350][T12167]      netlink_rcv_skb+0x130/0x360
[ 5590.671350][T12167]      netlink_unicast+0x449/0x710
[ 5590.671350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5590.671350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5590.671350][T12167]      ___sys_sendmsg+0xee/0x170
[ 5590.671350][T12167]      __sys_sendmsg+0xcd/0x170
[ 5590.671350][T12167]      do_syscall_64+0xc6/0x1e0
[ 5590.671350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5590.671350][T12167] 
[ 5590.673637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5590.673637][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5590.673637][T12167]      ipv6_find_idev+0x102/0x170
[ 5590.673637][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5590.673637][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5590.673637][T12167]      netlink_rcv_skb+0x130/0x360
[ 5590.673637][T12167]      netlink_unicast+0x449/0x710
[ 5590.673637][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5590.673637][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5590.673637][T12167]      ___sys_sendmsg+0xee/0x170
[ 5590.673637][T12167]      __sys_sendmsg+0xcd/0x170
[ 5590.673637][T12167]      do_syscall_64+0xc6/0x1e0
[ 5590.673637][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5590.673637][T12167] 
[ 5590.675383][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5590.675383][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5590.675383][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5590.675383][T12167]      ipv6_find_idev+0x102/0x170
[ 5590.675383][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5590.675383][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5590.675383][T12167]      netlink_rcv_skb+0x130/0x360
[ 5590.675383][T12167]      netlink_unicast+0x449/0x710
[ 5590.675383][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5590.675383][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5590.675383][T12167]      ___sys_sendmsg+0xee/0x170
[ 5590.675383][T12167]      __sys_sendmsg+0xcd/0x170
[ 5590.675383][T12167]      do_syscall_64+0xc6/0x1e0
[ 5590.675383][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5590.675383][T12167] 
[ 5600.918811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5600.919327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5600.919327][T12167]      netdev_get_by_index+0x5e/0x80
[ 5600.919327][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5600.919327][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5600.919327][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5600.919327][T12167]      ipv6_add_addr+0x411/0x2000
[ 5600.919327][T12167]      inet6_addr_add+0x30e/0xa40
[ 5600.919327][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5600.919327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5600.919327][T12167]      netlink_rcv_skb+0x130/0x360
[ 5600.919327][T12167]      netlink_unicast+0x449/0x710
[ 5600.919327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5600.919327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5600.919327][T12167]      ___sys_sendmsg+0xee/0x170
[ 5600.919327][T12167]      __sys_sendmsg+0xcd/0x170
[ 5600.919327][T12167]      do_syscall_64+0xc6/0x1e0
[ 5600.919327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5600.919327][T12167] 
[ 5600.921623][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5600.921623][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5600.921623][T12167]      ipv6_find_idev+0x102/0x170
[ 5600.921623][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5600.921623][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5600.921623][T12167]      netlink_rcv_skb+0x130/0x360
[ 5600.921623][T12167]      netlink_unicast+0x449/0x710
[ 5600.921623][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5600.921623][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5600.921623][T12167]      ___sys_sendmsg+0xee/0x170
[ 5600.921623][T12167]      __sys_sendmsg+0xcd/0x170
[ 5600.921623][T12167]      do_syscall_64+0xc6/0x1e0
[ 5600.921623][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5600.921623][T12167] 
[ 5600.923368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5600.923368][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5600.923368][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5600.923368][T12167]      ipv6_find_idev+0x102/0x170
[ 5600.923368][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5600.923368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5600.923368][T12167]      netlink_rcv_skb+0x130/0x360
[ 5600.923368][T12167]      netlink_unicast+0x449/0x710
[ 5600.923368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5600.923368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5600.923368][T12167]      ___sys_sendmsg+0xee/0x170
[ 5600.923368][T12167]      __sys_sendmsg+0xcd/0x170
[ 5600.923368][T12167]      do_syscall_64+0xc6/0x1e0
[ 5600.923368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5600.923368][T12167] 
[ 5611.166803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5611.167283][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5611.167283][T12167]      netdev_get_by_index+0x5e/0x80
[ 5611.167283][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5611.167283][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5611.167283][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5611.167283][T12167]      ipv6_add_addr+0x411/0x2000
[ 5611.167283][T12167]      inet6_addr_add+0x30e/0xa40
[ 5611.167283][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5611.167283][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5611.167283][T12167]      netlink_rcv_skb+0x130/0x360
[ 5611.167283][T12167]      netlink_unicast+0x449/0x710
[ 5611.167283][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5611.167283][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5611.167283][T12167]      ___sys_sendmsg+0xee/0x170
[ 5611.167283][T12167]      __sys_sendmsg+0xcd/0x170
[ 5611.167283][T12167]      do_syscall_64+0xc6/0x1e0
[ 5611.167283][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5611.167283][T12167] 
[ 5611.169590][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5611.169590][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5611.169590][T12167]      ipv6_find_idev+0x102/0x170
[ 5611.169590][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5611.169590][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5611.169590][T12167]      netlink_rcv_skb+0x130/0x360
[ 5611.169590][T12167]      netlink_unicast+0x449/0x710
[ 5611.169590][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5611.169590][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5611.169590][T12167]      ___sys_sendmsg+0xee/0x170
[ 5611.169590][T12167]      __sys_sendmsg+0xcd/0x170
[ 5611.169590][T12167]      do_syscall_64+0xc6/0x1e0
[ 5611.169590][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5611.169590][T12167] 
[ 5611.171339][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5611.171339][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5611.171339][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5611.171339][T12167]      ipv6_find_idev+0x102/0x170
[ 5611.171339][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5611.171339][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5611.171339][T12167]      netlink_rcv_skb+0x130/0x360
[ 5611.171339][T12167]      netlink_unicast+0x449/0x710
[ 5611.171339][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5611.171339][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5611.171339][T12167]      ___sys_sendmsg+0xee/0x170
[ 5611.171339][T12167]      __sys_sendmsg+0xcd/0x170
[ 5611.171339][T12167]      do_syscall_64+0xc6/0x1e0
[ 5611.171339][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5611.171339][T12167] 
[ 5621.414801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5621.415281][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5621.415281][T12167]      netdev_get_by_index+0x5e/0x80
[ 5621.415281][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5621.415281][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5621.415281][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5621.415281][T12167]      ipv6_add_addr+0x411/0x2000
[ 5621.415281][T12167]      inet6_addr_add+0x30e/0xa40
[ 5621.415281][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5621.415281][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5621.415281][T12167]      netlink_rcv_skb+0x130/0x360
[ 5621.415281][T12167]      netlink_unicast+0x449/0x710
[ 5621.415281][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5621.415281][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5621.415281][T12167]      ___sys_sendmsg+0xee/0x170
[ 5621.415281][T12167]      __sys_sendmsg+0xcd/0x170
[ 5621.415281][T12167]      do_syscall_64+0xc6/0x1e0
[ 5621.415281][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5621.415281][T12167] 
[ 5621.417594][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5621.417594][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5621.417594][T12167]      ipv6_find_idev+0x102/0x170
[ 5621.417594][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5621.417594][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5621.417594][T12167]      netlink_rcv_skb+0x130/0x360
[ 5621.417594][T12167]      netlink_unicast+0x449/0x710
[ 5621.417594][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5621.417594][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5621.417594][T12167]      ___sys_sendmsg+0xee/0x170
[ 5621.417594][T12167]      __sys_sendmsg+0xcd/0x170
[ 5621.417594][T12167]      do_syscall_64+0xc6/0x1e0
[ 5621.417594][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5621.417594][T12167] 
[ 5621.419360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5621.419360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5621.419360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5621.419360][T12167]      ipv6_find_idev+0x102/0x170
[ 5621.419360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5621.419360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5621.419360][T12167]      netlink_rcv_skb+0x130/0x360
[ 5621.419360][T12167]      netlink_unicast+0x449/0x710
[ 5621.419360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5621.419360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5621.419360][T12167]      ___sys_sendmsg+0xee/0x170
[ 5621.419360][T12167]      __sys_sendmsg+0xcd/0x170
[ 5621.419360][T12167]      do_syscall_64+0xc6/0x1e0
[ 5621.419360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5621.419360][T12167] 
[ 5631.662817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5631.663370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5631.663370][T12167]      netdev_get_by_index+0x5e/0x80
[ 5631.663370][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5631.663370][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5631.663370][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5631.663370][T12167]      ipv6_add_addr+0x411/0x2000
[ 5631.663370][T12167]      inet6_addr_add+0x30e/0xa40
[ 5631.663370][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5631.663370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5631.663370][T12167]      netlink_rcv_skb+0x130/0x360
[ 5631.663370][T12167]      netlink_unicast+0x449/0x710
[ 5631.663370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5631.663370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5631.663370][T12167]      ___sys_sendmsg+0xee/0x170
[ 5631.663370][T12167]      __sys_sendmsg+0xcd/0x170
[ 5631.663370][T12167]      do_syscall_64+0xc6/0x1e0
[ 5631.663370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5631.663370][T12167] 
[ 5631.665654][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5631.665654][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5631.665654][T12167]      ipv6_find_idev+0x102/0x170
[ 5631.665654][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5631.665654][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5631.665654][T12167]      netlink_rcv_skb+0x130/0x360
[ 5631.665654][T12167]      netlink_unicast+0x449/0x710
[ 5631.665654][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5631.665654][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5631.665654][T12167]      ___sys_sendmsg+0xee/0x170
[ 5631.665654][T12167]      __sys_sendmsg+0xcd/0x170
[ 5631.665654][T12167]      do_syscall_64+0xc6/0x1e0
[ 5631.665654][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5631.665654][T12167] 
[ 5631.667406][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5631.667406][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5631.667406][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5631.667406][T12167]      ipv6_find_idev+0x102/0x170
[ 5631.667406][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5631.667406][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5631.667406][T12167]      netlink_rcv_skb+0x130/0x360
[ 5631.667406][T12167]      netlink_unicast+0x449/0x710
[ 5631.667406][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5631.667406][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5631.667406][T12167]      ___sys_sendmsg+0xee/0x170
[ 5631.667406][T12167]      __sys_sendmsg+0xcd/0x170
[ 5631.667406][T12167]      do_syscall_64+0xc6/0x1e0
[ 5631.667406][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5631.667406][T12167] 
[ 5641.910815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5641.911303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5641.911303][T12167]      netdev_get_by_index+0x5e/0x80
[ 5641.911303][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5641.911303][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5641.911303][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5641.911303][T12167]      ipv6_add_addr+0x411/0x2000
[ 5641.911303][T12167]      inet6_addr_add+0x30e/0xa40
[ 5641.911303][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5641.911303][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5641.911303][T12167]      netlink_rcv_skb+0x130/0x360
[ 5641.911303][T12167]      netlink_unicast+0x449/0x710
[ 5641.911303][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5641.911303][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5641.911303][T12167]      ___sys_sendmsg+0xee/0x170
[ 5641.911303][T12167]      __sys_sendmsg+0xcd/0x170
[ 5641.911303][T12167]      do_syscall_64+0xc6/0x1e0
[ 5641.911303][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5641.911303][T12167] 
[ 5641.913608][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5641.913608][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5641.913608][T12167]      ipv6_find_idev+0x102/0x170
[ 5641.913608][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5641.913608][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5641.913608][T12167]      netlink_rcv_skb+0x130/0x360
[ 5641.913608][T12167]      netlink_unicast+0x449/0x710
[ 5641.913608][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5641.913608][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5641.913608][T12167]      ___sys_sendmsg+0xee/0x170
[ 5641.913608][T12167]      __sys_sendmsg+0xcd/0x170
[ 5641.913608][T12167]      do_syscall_64+0xc6/0x1e0
[ 5641.913608][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5641.913608][T12167] 
[ 5641.915357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5641.915357][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5641.915357][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5641.915357][T12167]      ipv6_find_idev+0x102/0x170
[ 5641.915357][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5641.915357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5641.915357][T12167]      netlink_rcv_skb+0x130/0x360
[ 5641.915357][T12167]      netlink_unicast+0x449/0x710
[ 5641.915357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5641.915357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5641.915357][T12167]      ___sys_sendmsg+0xee/0x170
[ 5641.915357][T12167]      __sys_sendmsg+0xcd/0x170
[ 5641.915357][T12167]      do_syscall_64+0xc6/0x1e0
[ 5641.915357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5641.915357][T12167] 
[ 5652.158813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5652.159353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5652.159353][T12167]      netdev_get_by_index+0x5e/0x80
[ 5652.159353][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5652.159353][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5652.159353][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5652.159353][T12167]      ipv6_add_addr+0x411/0x2000
[ 5652.159353][T12167]      inet6_addr_add+0x30e/0xa40
[ 5652.159353][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5652.159353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5652.159353][T12167]      netlink_rcv_skb+0x130/0x360
[ 5652.159353][T12167]      netlink_unicast+0x449/0x710
[ 5652.159353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5652.159353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5652.159353][T12167]      ___sys_sendmsg+0xee/0x170
[ 5652.159353][T12167]      __sys_sendmsg+0xcd/0x170
[ 5652.159353][T12167]      do_syscall_64+0xc6/0x1e0
[ 5652.159353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5652.159353][T12167] 
[ 5652.161635][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5652.161635][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5652.161635][T12167]      ipv6_find_idev+0x102/0x170
[ 5652.161635][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5652.161635][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5652.161635][T12167]      netlink_rcv_skb+0x130/0x360
[ 5652.161635][T12167]      netlink_unicast+0x449/0x710
[ 5652.161635][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5652.161635][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5652.161635][T12167]      ___sys_sendmsg+0xee/0x170
[ 5652.161635][T12167]      __sys_sendmsg+0xcd/0x170
[ 5652.161635][T12167]      do_syscall_64+0xc6/0x1e0
[ 5652.161635][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5652.161635][T12167] 
[ 5652.163384][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5652.163384][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5652.163384][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5652.163384][T12167]      ipv6_find_idev+0x102/0x170
[ 5652.163384][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5652.163384][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5652.163384][T12167]      netlink_rcv_skb+0x130/0x360
[ 5652.163384][T12167]      netlink_unicast+0x449/0x710
[ 5652.163384][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5652.163384][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5652.163384][T12167]      ___sys_sendmsg+0xee/0x170
[ 5652.163384][T12167]      __sys_sendmsg+0xcd/0x170
[ 5652.163384][T12167]      do_syscall_64+0xc6/0x1e0
[ 5652.163384][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5652.163384][T12167] 
[ 5662.406816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5662.407324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5662.407324][T12167]      netdev_get_by_index+0x5e/0x80
[ 5662.407324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5662.407324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5662.407324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5662.407324][T12167]      ipv6_add_addr+0x411/0x2000
[ 5662.407324][T12167]      inet6_addr_add+0x30e/0xa40
[ 5662.407324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5662.407324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5662.407324][T12167]      netlink_rcv_skb+0x130/0x360
[ 5662.407324][T12167]      netlink_unicast+0x449/0x710
[ 5662.407324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5662.407324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5662.407324][T12167]      ___sys_sendmsg+0xee/0x170
[ 5662.407324][T12167]      __sys_sendmsg+0xcd/0x170
[ 5662.407324][T12167]      do_syscall_64+0xc6/0x1e0
[ 5662.407324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5662.407324][T12167] 
[ 5662.409618][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5662.409618][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5662.409618][T12167]      ipv6_find_idev+0x102/0x170
[ 5662.409618][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5662.409618][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5662.409618][T12167]      netlink_rcv_skb+0x130/0x360
[ 5662.409618][T12167]      netlink_unicast+0x449/0x710
[ 5662.409618][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5662.409618][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5662.409618][T12167]      ___sys_sendmsg+0xee/0x170
[ 5662.409618][T12167]      __sys_sendmsg+0xcd/0x170
[ 5662.409618][T12167]      do_syscall_64+0xc6/0x1e0
[ 5662.409618][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5662.409618][T12167] 
[ 5662.411366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5662.411366][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5662.411366][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5662.411366][T12167]      ipv6_find_idev+0x102/0x170
[ 5662.411366][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5662.411366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5662.411366][T12167]      netlink_rcv_skb+0x130/0x360
[ 5662.411366][T12167]      netlink_unicast+0x449/0x710
[ 5662.411366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5662.411366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5662.411366][T12167]      ___sys_sendmsg+0xee/0x170
[ 5662.411366][T12167]      __sys_sendmsg+0xcd/0x170
[ 5662.411366][T12167]      do_syscall_64+0xc6/0x1e0
[ 5662.411366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5662.411366][T12167] 
[ 5672.654816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5672.655334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5672.655334][T12167]      netdev_get_by_index+0x5e/0x80
[ 5672.655334][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5672.655334][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5672.655334][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5672.655334][T12167]      ipv6_add_addr+0x411/0x2000
[ 5672.655334][T12167]      inet6_addr_add+0x30e/0xa40
[ 5672.655334][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5672.655334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5672.655334][T12167]      netlink_rcv_skb+0x130/0x360
[ 5672.655334][T12167]      netlink_unicast+0x449/0x710
[ 5672.655334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5672.655334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5672.655334][T12167]      ___sys_sendmsg+0xee/0x170
[ 5672.655334][T12167]      __sys_sendmsg+0xcd/0x170
[ 5672.655334][T12167]      do_syscall_64+0xc6/0x1e0
[ 5672.655334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5672.655334][T12167] 
[ 5672.657617][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5672.657617][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5672.657617][T12167]      ipv6_find_idev+0x102/0x170
[ 5672.657617][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5672.657617][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5672.657617][T12167]      netlink_rcv_skb+0x130/0x360
[ 5672.657617][T12167]      netlink_unicast+0x449/0x710
[ 5672.657617][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5672.657617][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5672.657617][T12167]      ___sys_sendmsg+0xee/0x170
[ 5672.657617][T12167]      __sys_sendmsg+0xcd/0x170
[ 5672.657617][T12167]      do_syscall_64+0xc6/0x1e0
[ 5672.657617][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5672.657617][T12167] 
[ 5672.659386][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5672.659386][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5672.659386][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5672.659386][T12167]      ipv6_find_idev+0x102/0x170
[ 5672.659386][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5672.659386][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5672.659386][T12167]      netlink_rcv_skb+0x130/0x360
[ 5672.659386][T12167]      netlink_unicast+0x449/0x710
[ 5672.659386][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5672.659386][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5672.659386][T12167]      ___sys_sendmsg+0xee/0x170
[ 5672.659386][T12167]      __sys_sendmsg+0xcd/0x170
[ 5672.659386][T12167]      do_syscall_64+0xc6/0x1e0
[ 5672.659386][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5672.659386][T12167] 
[ 5682.846811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5682.847301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5682.847301][T12167]      netdev_get_by_index+0x5e/0x80
[ 5682.847301][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5682.847301][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5682.847301][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5682.847301][T12167]      ipv6_add_addr+0x411/0x2000
[ 5682.847301][T12167]      inet6_addr_add+0x30e/0xa40
[ 5682.847301][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5682.847301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5682.847301][T12167]      netlink_rcv_skb+0x130/0x360
[ 5682.847301][T12167]      netlink_unicast+0x449/0x710
[ 5682.847301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5682.847301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5682.847301][T12167]      ___sys_sendmsg+0xee/0x170
[ 5682.847301][T12167]      __sys_sendmsg+0xcd/0x170
[ 5682.847301][T12167]      do_syscall_64+0xc6/0x1e0
[ 5682.847301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5682.847301][T12167] 
[ 5682.849609][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5682.849609][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5682.849609][T12167]      ipv6_find_idev+0x102/0x170
[ 5682.849609][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5682.849609][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5682.849609][T12167]      netlink_rcv_skb+0x130/0x360
[ 5682.849609][T12167]      netlink_unicast+0x449/0x710
[ 5682.849609][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5682.849609][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5682.849609][T12167]      ___sys_sendmsg+0xee/0x170
[ 5682.849609][T12167]      __sys_sendmsg+0xcd/0x170
[ 5682.849609][T12167]      do_syscall_64+0xc6/0x1e0
[ 5682.849609][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5682.849609][T12167] 
[ 5682.851356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5682.851356][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5682.851356][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5682.851356][T12167]      ipv6_find_idev+0x102/0x170
[ 5682.851356][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5682.851356][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5682.851356][T12167]      netlink_rcv_skb+0x130/0x360
[ 5682.851356][T12167]      netlink_unicast+0x449/0x710
[ 5682.851356][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5682.851356][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5682.851356][T12167]      ___sys_sendmsg+0xee/0x170
[ 5682.851356][T12167]      __sys_sendmsg+0xcd/0x170
[ 5682.851356][T12167]      do_syscall_64+0xc6/0x1e0
[ 5682.851356][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5682.851356][T12167] 
[ 5693.102739][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5693.103225][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5693.103225][T12167]      netdev_get_by_index+0x5e/0x80
[ 5693.103225][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5693.103225][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5693.103225][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5693.103225][T12167]      ipv6_add_addr+0x411/0x2000
[ 5693.103225][T12167]      inet6_addr_add+0x30e/0xa40
[ 5693.103225][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5693.103225][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5693.103225][T12167]      netlink_rcv_skb+0x130/0x360
[ 5693.103225][T12167]      netlink_unicast+0x449/0x710
[ 5693.103225][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5693.103225][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5693.103225][T12167]      ___sys_sendmsg+0xee/0x170
[ 5693.103225][T12167]      __sys_sendmsg+0xcd/0x170
[ 5693.103225][T12167]      do_syscall_64+0xc6/0x1e0
[ 5693.103225][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5693.103225][T12167] 
[ 5693.105528][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5693.105528][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5693.105528][T12167]      ipv6_find_idev+0x102/0x170
[ 5693.105528][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5693.105528][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5693.105528][T12167]      netlink_rcv_skb+0x130/0x360
[ 5693.105528][T12167]      netlink_unicast+0x449/0x710
[ 5693.105528][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5693.105528][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5693.105528][T12167]      ___sys_sendmsg+0xee/0x170
[ 5693.105528][T12167]      __sys_sendmsg+0xcd/0x170
[ 5693.105528][T12167]      do_syscall_64+0xc6/0x1e0
[ 5693.105528][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5693.105528][T12167] 
[ 5693.107288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5693.107288][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5693.107288][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5693.107288][T12167]      ipv6_find_idev+0x102/0x170
[ 5693.107288][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5693.107288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5693.107288][T12167]      netlink_rcv_skb+0x130/0x360
[ 5693.107288][T12167]      netlink_unicast+0x449/0x710
[ 5693.107288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5693.107288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5693.107288][T12167]      ___sys_sendmsg+0xee/0x170
[ 5693.107288][T12167]      __sys_sendmsg+0xcd/0x170
[ 5693.107288][T12167]      do_syscall_64+0xc6/0x1e0
[ 5693.107288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5693.107288][T12167] 
[ 5703.350895][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5703.351410][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5703.351410][T12167]      netdev_get_by_index+0x5e/0x80
[ 5703.351410][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5703.351410][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5703.351410][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5703.351410][T12167]      ipv6_add_addr+0x411/0x2000
[ 5703.351410][T12167]      inet6_addr_add+0x30e/0xa40
[ 5703.351410][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5703.351410][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5703.351410][T12167]      netlink_rcv_skb+0x130/0x360
[ 5703.351410][T12167]      netlink_unicast+0x449/0x710
[ 5703.351410][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5703.351410][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5703.351410][T12167]      ___sys_sendmsg+0xee/0x170
[ 5703.351410][T12167]      __sys_sendmsg+0xcd/0x170
[ 5703.351410][T12167]      do_syscall_64+0xc6/0x1e0
[ 5703.351410][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5703.351410][T12167] 
[ 5703.353768][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5703.353768][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5703.353768][T12167]      ipv6_find_idev+0x102/0x170
[ 5703.353768][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5703.353768][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5703.353768][T12167]      netlink_rcv_skb+0x130/0x360
[ 5703.353768][T12167]      netlink_unicast+0x449/0x710
[ 5703.353768][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5703.353768][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5703.353768][T12167]      ___sys_sendmsg+0xee/0x170
[ 5703.353768][T12167]      __sys_sendmsg+0xcd/0x170
[ 5703.353768][T12167]      do_syscall_64+0xc6/0x1e0
[ 5703.353768][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5703.353768][T12167] 
[ 5703.355535][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5703.355535][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5703.355535][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5703.355535][T12167]      ipv6_find_idev+0x102/0x170
[ 5703.355535][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5703.355535][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5703.355535][T12167]      netlink_rcv_skb+0x130/0x360
[ 5703.355535][T12167]      netlink_unicast+0x449/0x710
[ 5703.355535][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5703.355535][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5703.355535][T12167]      ___sys_sendmsg+0xee/0x170
[ 5703.355535][T12167]      __sys_sendmsg+0xcd/0x170
[ 5703.355535][T12167]      do_syscall_64+0xc6/0x1e0
[ 5703.355535][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5703.355535][T12167] 
[ 5713.598747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5713.599215][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5713.599215][T12167]      netdev_get_by_index+0x5e/0x80
[ 5713.599215][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5713.599215][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5713.599215][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5713.599215][T12167]      ipv6_add_addr+0x411/0x2000
[ 5713.599215][T12167]      inet6_addr_add+0x30e/0xa40
[ 5713.599215][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5713.599215][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5713.599215][T12167]      netlink_rcv_skb+0x130/0x360
[ 5713.599215][T12167]      netlink_unicast+0x449/0x710
[ 5713.599215][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5713.599215][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5713.599215][T12167]      ___sys_sendmsg+0xee/0x170
[ 5713.599215][T12167]      __sys_sendmsg+0xcd/0x170
[ 5713.599215][T12167]      do_syscall_64+0xc6/0x1e0
[ 5713.599215][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5713.599215][T12167] 
[ 5713.601521][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5713.601521][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5713.601521][T12167]      ipv6_find_idev+0x102/0x170
[ 5713.601521][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5713.601521][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5713.601521][T12167]      netlink_rcv_skb+0x130/0x360
[ 5713.601521][T12167]      netlink_unicast+0x449/0x710
[ 5713.601521][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5713.601521][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5713.601521][T12167]      ___sys_sendmsg+0xee/0x170
[ 5713.601521][T12167]      __sys_sendmsg+0xcd/0x170
[ 5713.601521][T12167]      do_syscall_64+0xc6/0x1e0
[ 5713.601521][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5713.601521][T12167] 
[ 5713.603282][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5713.603282][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5713.603282][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5713.603282][T12167]      ipv6_find_idev+0x102/0x170
[ 5713.603282][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5713.603282][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5713.603282][T12167]      netlink_rcv_skb+0x130/0x360
[ 5713.603282][T12167]      netlink_unicast+0x449/0x710
[ 5713.603282][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5713.603282][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5713.603282][T12167]      ___sys_sendmsg+0xee/0x170
[ 5713.603282][T12167]      __sys_sendmsg+0xcd/0x170
[ 5713.603282][T12167]      do_syscall_64+0xc6/0x1e0
[ 5713.603282][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5713.603282][T12167] 
[ 5723.606797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5723.607260][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5723.607260][T12167]      netdev_get_by_index+0x5e/0x80
[ 5723.607260][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5723.607260][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5723.607260][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5723.607260][T12167]      ipv6_add_addr+0x411/0x2000
[ 5723.607260][T12167]      inet6_addr_add+0x30e/0xa40
[ 5723.607260][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5723.607260][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5723.607260][T12167]      netlink_rcv_skb+0x130/0x360
[ 5723.607260][T12167]      netlink_unicast+0x449/0x710
[ 5723.607260][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5723.607260][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5723.607260][T12167]      ___sys_sendmsg+0xee/0x170
[ 5723.607260][T12167]      __sys_sendmsg+0xcd/0x170
[ 5723.607260][T12167]      do_syscall_64+0xc6/0x1e0
[ 5723.607260][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5723.607260][T12167] 
[ 5723.609576][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5723.609576][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5723.609576][T12167]      ipv6_find_idev+0x102/0x170
[ 5723.609576][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5723.609576][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5723.609576][T12167]      netlink_rcv_skb+0x130/0x360
[ 5723.609576][T12167]      netlink_unicast+0x449/0x710
[ 5723.609576][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5723.609576][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5723.609576][T12167]      ___sys_sendmsg+0xee/0x170
[ 5723.609576][T12167]      __sys_sendmsg+0xcd/0x170
[ 5723.609576][T12167]      do_syscall_64+0xc6/0x1e0
[ 5723.609576][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5723.609576][T12167] 
[ 5723.611354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5723.611354][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5723.611354][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5723.611354][T12167]      ipv6_find_idev+0x102/0x170
[ 5723.611354][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5723.611354][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5723.611354][T12167]      netlink_rcv_skb+0x130/0x360
[ 5723.611354][T12167]      netlink_unicast+0x449/0x710
[ 5723.611354][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5723.611354][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5723.611354][T12167]      ___sys_sendmsg+0xee/0x170
[ 5723.611354][T12167]      __sys_sendmsg+0xcd/0x170
[ 5723.611354][T12167]      do_syscall_64+0xc6/0x1e0
[ 5723.611354][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5723.611354][T12167] 
[ 5733.654814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5733.655267][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5733.655267][T12167]      netdev_get_by_index+0x5e/0x80
[ 5733.655267][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5733.655267][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5733.655267][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5733.655267][T12167]      ipv6_add_addr+0x411/0x2000
[ 5733.655267][T12167]      inet6_addr_add+0x30e/0xa40
[ 5733.655267][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5733.655267][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5733.655267][T12167]      netlink_rcv_skb+0x130/0x360
[ 5733.655267][T12167]      netlink_unicast+0x449/0x710
[ 5733.655267][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5733.655267][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5733.655267][T12167]      ___sys_sendmsg+0xee/0x170
[ 5733.655267][T12167]      __sys_sendmsg+0xcd/0x170
[ 5733.655267][T12167]      do_syscall_64+0xc6/0x1e0
[ 5733.655267][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5733.655267][T12167] 
[ 5733.657729][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5733.657729][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5733.657729][T12167]      ipv6_find_idev+0x102/0x170
[ 5733.657729][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5733.657729][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5733.657729][T12167]      netlink_rcv_skb+0x130/0x360
[ 5733.657729][T12167]      netlink_unicast+0x449/0x710
[ 5733.657729][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5733.657729][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5733.657729][T12167]      ___sys_sendmsg+0xee/0x170
[ 5733.657729][T12167]      __sys_sendmsg+0xcd/0x170
[ 5733.657729][T12167]      do_syscall_64+0xc6/0x1e0
[ 5733.657729][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5733.657729][T12167] 
[ 5733.659517][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5733.659517][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5733.659517][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5733.659517][T12167]      ipv6_find_idev+0x102/0x170
[ 5733.659517][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5733.659517][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5733.659517][T12167]      netlink_rcv_skb+0x130/0x360
[ 5733.659517][T12167]      netlink_unicast+0x449/0x710
[ 5733.659517][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5733.659517][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5733.659517][T12167]      ___sys_sendmsg+0xee/0x170
[ 5733.659517][T12167]      __sys_sendmsg+0xcd/0x170
[ 5733.659517][T12167]      do_syscall_64+0xc6/0x1e0
[ 5733.659517][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5733.659517][T12167] 
[ 5743.710809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5743.711250][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5743.711250][T12167]      netdev_get_by_index+0x5e/0x80
[ 5743.711250][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5743.711250][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5743.711250][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5743.711250][T12167]      ipv6_add_addr+0x411/0x2000
[ 5743.711250][T12167]      inet6_addr_add+0x30e/0xa40
[ 5743.711250][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5743.711250][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5743.711250][T12167]      netlink_rcv_skb+0x130/0x360
[ 5743.711250][T12167]      netlink_unicast+0x449/0x710
[ 5743.711250][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5743.711250][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5743.711250][T12167]      ___sys_sendmsg+0xee/0x170
[ 5743.711250][T12167]      __sys_sendmsg+0xcd/0x170
[ 5743.711250][T12167]      do_syscall_64+0xc6/0x1e0
[ 5743.711250][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5743.711250][T12167] 
[ 5743.714877][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5743.714877][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5743.714877][T12167]      ipv6_find_idev+0x102/0x170
[ 5743.714877][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5743.714877][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5743.714877][T12167]      netlink_rcv_skb+0x130/0x360
[ 5743.714877][T12167]      netlink_unicast+0x449/0x710
[ 5743.714877][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5743.714877][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5743.714877][T12167]      ___sys_sendmsg+0xee/0x170
[ 5743.714877][T12167]      __sys_sendmsg+0xcd/0x170
[ 5743.714877][T12167]      do_syscall_64+0xc6/0x1e0
[ 5743.714877][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5743.714877][T12167] 
[ 5743.716623][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5743.716623][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5743.716623][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5743.716623][T12167]      ipv6_find_idev+0x102/0x170
[ 5743.716623][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5743.716623][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5743.716623][T12167]      netlink_rcv_skb+0x130/0x360
[ 5743.716623][T12167]      netlink_unicast+0x449/0x710
[ 5743.716623][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5743.716623][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5743.716623][T12167]      ___sys_sendmsg+0xee/0x170
[ 5743.716623][T12167]      __sys_sendmsg+0xcd/0x170
[ 5743.716623][T12167]      do_syscall_64+0xc6/0x1e0
[ 5743.716623][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5743.716623][T12167] 
[ 5753.958807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5753.959255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5753.959255][T12167]      netdev_get_by_index+0x5e/0x80
[ 5753.959255][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5753.959255][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5753.959255][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5753.959255][T12167]      ipv6_add_addr+0x411/0x2000
[ 5753.959255][T12167]      inet6_addr_add+0x30e/0xa40
[ 5753.959255][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5753.959255][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5753.959255][T12167]      netlink_rcv_skb+0x130/0x360
[ 5753.959255][T12167]      netlink_unicast+0x449/0x710
[ 5753.959255][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5753.959255][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5753.959255][T12167]      ___sys_sendmsg+0xee/0x170
[ 5753.959255][T12167]      __sys_sendmsg+0xcd/0x170
[ 5753.959255][T12167]      do_syscall_64+0xc6/0x1e0
[ 5753.959255][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5753.959255][T12167] 
[ 5753.961636][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5753.961636][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5753.961636][T12167]      ipv6_find_idev+0x102/0x170
[ 5753.961636][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5753.961636][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5753.961636][T12167]      netlink_rcv_skb+0x130/0x360
[ 5753.961636][T12167]      netlink_unicast+0x449/0x710
[ 5753.961636][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5753.961636][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5753.961636][T12167]      ___sys_sendmsg+0xee/0x170
[ 5753.961636][T12167]      __sys_sendmsg+0xcd/0x170
[ 5753.961636][T12167]      do_syscall_64+0xc6/0x1e0
[ 5753.961636][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5753.961636][T12167] 
[ 5753.963389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5753.963389][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5753.963389][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5753.963389][T12167]      ipv6_find_idev+0x102/0x170
[ 5753.963389][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5753.963389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5753.963389][T12167]      netlink_rcv_skb+0x130/0x360
[ 5753.963389][T12167]      netlink_unicast+0x449/0x710
[ 5753.963389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5753.963389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5753.963389][T12167]      ___sys_sendmsg+0xee/0x170
[ 5753.963389][T12167]      __sys_sendmsg+0xcd/0x170
[ 5753.963389][T12167]      do_syscall_64+0xc6/0x1e0
[ 5753.963389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5753.963389][T12167] 
[ 5764.206813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5764.207330][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5764.207330][T12167]      netdev_get_by_index+0x5e/0x80
[ 5764.207330][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5764.207330][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5764.207330][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5764.207330][T12167]      ipv6_add_addr+0x411/0x2000
[ 5764.207330][T12167]      inet6_addr_add+0x30e/0xa40
[ 5764.207330][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5764.207330][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5764.207330][T12167]      netlink_rcv_skb+0x130/0x360
[ 5764.207330][T12167]      netlink_unicast+0x449/0x710
[ 5764.207330][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5764.207330][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5764.207330][T12167]      ___sys_sendmsg+0xee/0x170
[ 5764.207330][T12167]      __sys_sendmsg+0xcd/0x170
[ 5764.207330][T12167]      do_syscall_64+0xc6/0x1e0
[ 5764.207330][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5764.207330][T12167] 
[ 5764.209883][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5764.209883][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5764.209883][T12167]      ipv6_find_idev+0x102/0x170
[ 5764.209883][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5764.209883][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5764.209883][T12167]      netlink_rcv_skb+0x130/0x360
[ 5764.209883][T12167]      netlink_unicast+0x449/0x710
[ 5764.209883][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5764.209883][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5764.209883][T12167]      ___sys_sendmsg+0xee/0x170
[ 5764.209883][T12167]      __sys_sendmsg+0xcd/0x170
[ 5764.209883][T12167]      do_syscall_64+0xc6/0x1e0
[ 5764.209883][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5764.209883][T12167] 
[ 5764.211837][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5764.211837][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5764.211837][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5764.211837][T12167]      ipv6_find_idev+0x102/0x170
[ 5764.211837][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5764.211837][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5764.211837][T12167]      netlink_rcv_skb+0x130/0x360
[ 5764.211837][T12167]      netlink_unicast+0x449/0x710
[ 5764.211837][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5764.211837][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5764.211837][T12167]      ___sys_sendmsg+0xee/0x170
[ 5764.211837][T12167]      __sys_sendmsg+0xcd/0x170
[ 5764.211837][T12167]      do_syscall_64+0xc6/0x1e0
[ 5764.211837][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5764.211837][T12167] 
[ 5774.454807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5774.455328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5774.455328][T12167]      netdev_get_by_index+0x5e/0x80
[ 5774.455328][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5774.455328][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5774.455328][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5774.455328][T12167]      ipv6_add_addr+0x411/0x2000
[ 5774.455328][T12167]      inet6_addr_add+0x30e/0xa40
[ 5774.455328][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5774.455328][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5774.455328][T12167]      netlink_rcv_skb+0x130/0x360
[ 5774.455328][T12167]      netlink_unicast+0x449/0x710
[ 5774.455328][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5774.455328][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5774.455328][T12167]      ___sys_sendmsg+0xee/0x170
[ 5774.455328][T12167]      __sys_sendmsg+0xcd/0x170
[ 5774.455328][T12167]      do_syscall_64+0xc6/0x1e0
[ 5774.455328][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5774.455328][T12167] 
[ 5774.457629][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5774.457629][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5774.457629][T12167]      ipv6_find_idev+0x102/0x170
[ 5774.457629][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5774.457629][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5774.457629][T12167]      netlink_rcv_skb+0x130/0x360
[ 5774.457629][T12167]      netlink_unicast+0x449/0x710
[ 5774.457629][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5774.457629][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5774.457629][T12167]      ___sys_sendmsg+0xee/0x170
[ 5774.457629][T12167]      __sys_sendmsg+0xcd/0x170
[ 5774.457629][T12167]      do_syscall_64+0xc6/0x1e0
[ 5774.457629][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5774.457629][T12167] 
[ 5774.459392][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5774.459392][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5774.459392][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5774.459392][T12167]      ipv6_find_idev+0x102/0x170
[ 5774.459392][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5774.459392][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5774.459392][T12167]      netlink_rcv_skb+0x130/0x360
[ 5774.459392][T12167]      netlink_unicast+0x449/0x710
[ 5774.459392][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5774.459392][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5774.459392][T12167]      ___sys_sendmsg+0xee/0x170
[ 5774.459392][T12167]      __sys_sendmsg+0xcd/0x170
[ 5774.459392][T12167]      do_syscall_64+0xc6/0x1e0
[ 5774.459392][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5774.459392][T12167] 
[ 5784.702847][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5784.703326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5784.703326][T12167]      netdev_get_by_index+0x5e/0x80
[ 5784.703326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5784.703326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5784.703326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5784.703326][T12167]      ipv6_add_addr+0x411/0x2000
[ 5784.703326][T12167]      inet6_addr_add+0x30e/0xa40
[ 5784.703326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5784.703326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5784.703326][T12167]      netlink_rcv_skb+0x130/0x360
[ 5784.703326][T12167]      netlink_unicast+0x449/0x710
[ 5784.703326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5784.703326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5784.703326][T12167]      ___sys_sendmsg+0xee/0x170
[ 5784.703326][T12167]      __sys_sendmsg+0xcd/0x170
[ 5784.703326][T12167]      do_syscall_64+0xc6/0x1e0
[ 5784.703326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5784.703326][T12167] 
[ 5784.705923][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5784.705923][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5784.705923][T12167]      ipv6_find_idev+0x102/0x170
[ 5784.705923][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5784.705923][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5784.705923][T12167]      netlink_rcv_skb+0x130/0x360
[ 5784.705923][T12167]      netlink_unicast+0x449/0x710
[ 5784.705923][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5784.705923][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5784.705923][T12167]      ___sys_sendmsg+0xee/0x170
[ 5784.705923][T12167]      __sys_sendmsg+0xcd/0x170
[ 5784.705923][T12167]      do_syscall_64+0xc6/0x1e0
[ 5784.705923][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5784.705923][T12167] 
[ 5784.707894][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5784.707894][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5784.707894][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5784.707894][T12167]      ipv6_find_idev+0x102/0x170
[ 5784.707894][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5784.707894][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5784.707894][T12167]      netlink_rcv_skb+0x130/0x360
[ 5784.707894][T12167]      netlink_unicast+0x449/0x710
[ 5784.707894][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5784.707894][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5784.707894][T12167]      ___sys_sendmsg+0xee/0x170
[ 5784.707894][T12167]      __sys_sendmsg+0xcd/0x170
[ 5784.707894][T12167]      do_syscall_64+0xc6/0x1e0
[ 5784.707894][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5784.707894][T12167] 
[ 5794.846760][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5794.847354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5794.847354][T12167]      netdev_get_by_index+0x5e/0x80
[ 5794.847354][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5794.847354][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5794.847354][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5794.847354][T12167]      ipv6_add_addr+0x411/0x2000
[ 5794.847354][T12167]      inet6_addr_add+0x30e/0xa40
[ 5794.847354][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5794.847354][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5794.847354][T12167]      netlink_rcv_skb+0x130/0x360
[ 5794.847354][T12167]      netlink_unicast+0x449/0x710
[ 5794.847354][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5794.847354][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5794.847354][T12167]      ___sys_sendmsg+0xee/0x170
[ 5794.847354][T12167]      __sys_sendmsg+0xcd/0x170
[ 5794.847354][T12167]      do_syscall_64+0xc6/0x1e0
[ 5794.847354][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5794.847354][T12167] 
[ 5794.849940][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5794.849940][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5794.849940][T12167]      ipv6_find_idev+0x102/0x170
[ 5794.849940][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5794.849940][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5794.849940][T12167]      netlink_rcv_skb+0x130/0x360
[ 5794.849940][T12167]      netlink_unicast+0x449/0x710
[ 5794.849940][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5794.849940][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5794.849940][T12167]      ___sys_sendmsg+0xee/0x170
[ 5794.849940][T12167]      __sys_sendmsg+0xcd/0x170
[ 5794.849940][T12167]      do_syscall_64+0xc6/0x1e0
[ 5794.849940][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5794.849940][T12167] 
[ 5794.851911][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5794.851911][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5794.851911][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5794.851911][T12167]      ipv6_find_idev+0x102/0x170
[ 5794.851911][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5794.851911][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5794.851911][T12167]      netlink_rcv_skb+0x130/0x360
[ 5794.851911][T12167]      netlink_unicast+0x449/0x710
[ 5794.851911][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5794.851911][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5794.851911][T12167]      ___sys_sendmsg+0xee/0x170
[ 5794.851911][T12167]      __sys_sendmsg+0xcd/0x170
[ 5794.851911][T12167]      do_syscall_64+0xc6/0x1e0
[ 5794.851911][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5794.851911][T12167] 
[ 5805.094756][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5805.095291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5805.095291][T12167]      netdev_get_by_index+0x5e/0x80
[ 5805.095291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5805.095291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5805.095291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5805.095291][T12167]      ipv6_add_addr+0x411/0x2000
[ 5805.095291][T12167]      inet6_addr_add+0x30e/0xa40
[ 5805.095291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5805.095291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5805.095291][T12167]      netlink_rcv_skb+0x130/0x360
[ 5805.095291][T12167]      netlink_unicast+0x449/0x710
[ 5805.095291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5805.095291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5805.095291][T12167]      ___sys_sendmsg+0xee/0x170
[ 5805.095291][T12167]      __sys_sendmsg+0xcd/0x170
[ 5805.095291][T12167]      do_syscall_64+0xc6/0x1e0
[ 5805.095291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5805.095291][T12167] 
[ 5805.097865][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5805.097865][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5805.097865][T12167]      ipv6_find_idev+0x102/0x170
[ 5805.097865][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5805.097865][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5805.097865][T12167]      netlink_rcv_skb+0x130/0x360
[ 5805.097865][T12167]      netlink_unicast+0x449/0x710
[ 5805.097865][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5805.097865][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5805.097865][T12167]      ___sys_sendmsg+0xee/0x170
[ 5805.097865][T12167]      __sys_sendmsg+0xcd/0x170
[ 5805.097865][T12167]      do_syscall_64+0xc6/0x1e0
[ 5805.097865][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5805.097865][T12167] 
[ 5805.099831][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5805.099831][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5805.099831][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5805.099831][T12167]      ipv6_find_idev+0x102/0x170
[ 5805.099831][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5805.099831][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5805.099831][T12167]      netlink_rcv_skb+0x130/0x360
[ 5805.099831][T12167]      netlink_unicast+0x449/0x710
[ 5805.099831][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5805.099831][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5805.099831][T12167]      ___sys_sendmsg+0xee/0x170
[ 5805.099831][T12167]      __sys_sendmsg+0xcd/0x170
[ 5805.099831][T12167]      do_syscall_64+0xc6/0x1e0
[ 5805.099831][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5805.099831][T12167] 
[ 5815.342820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5815.343351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5815.343351][T12167]      netdev_get_by_index+0x5e/0x80
[ 5815.343351][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5815.343351][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5815.343351][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5815.343351][T12167]      ipv6_add_addr+0x411/0x2000
[ 5815.343351][T12167]      inet6_addr_add+0x30e/0xa40
[ 5815.343351][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5815.343351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5815.343351][T12167]      netlink_rcv_skb+0x130/0x360
[ 5815.343351][T12167]      netlink_unicast+0x449/0x710
[ 5815.343351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5815.343351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5815.343351][T12167]      ___sys_sendmsg+0xee/0x170
[ 5815.343351][T12167]      __sys_sendmsg+0xcd/0x170
[ 5815.343351][T12167]      do_syscall_64+0xc6/0x1e0
[ 5815.343351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5815.343351][T12167] 
[ 5815.345687][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5815.345687][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5815.345687][T12167]      ipv6_find_idev+0x102/0x170
[ 5815.345687][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5815.345687][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5815.345687][T12167]      netlink_rcv_skb+0x130/0x360
[ 5815.345687][T12167]      netlink_unicast+0x449/0x710
[ 5815.345687][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5815.345687][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5815.345687][T12167]      ___sys_sendmsg+0xee/0x170
[ 5815.345687][T12167]      __sys_sendmsg+0xcd/0x170
[ 5815.345687][T12167]      do_syscall_64+0xc6/0x1e0
[ 5815.345687][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5815.345687][T12167] 
[ 5815.347451][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5815.347451][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5815.347451][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5815.347451][T12167]      ipv6_find_idev+0x102/0x170
[ 5815.347451][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5815.347451][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5815.347451][T12167]      netlink_rcv_skb+0x130/0x360
[ 5815.347451][T12167]      netlink_unicast+0x449/0x710
[ 5815.347451][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5815.347451][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5815.347451][T12167]      ___sys_sendmsg+0xee/0x170
[ 5815.347451][T12167]      __sys_sendmsg+0xcd/0x170
[ 5815.347451][T12167]      do_syscall_64+0xc6/0x1e0
[ 5815.347451][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5815.347451][T12167] 
[ 5825.590882][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5825.591405][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5825.591405][T12167]      netdev_get_by_index+0x5e/0x80
[ 5825.591405][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5825.591405][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5825.591405][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5825.591405][T12167]      ipv6_add_addr+0x411/0x2000
[ 5825.591405][T12167]      inet6_addr_add+0x30e/0xa40
[ 5825.591405][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5825.591405][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5825.591405][T12167]      netlink_rcv_skb+0x130/0x360
[ 5825.591405][T12167]      netlink_unicast+0x449/0x710
[ 5825.591405][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5825.591405][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5825.591405][T12167]      ___sys_sendmsg+0xee/0x170
[ 5825.591405][T12167]      __sys_sendmsg+0xcd/0x170
[ 5825.591405][T12167]      do_syscall_64+0xc6/0x1e0
[ 5825.591405][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5825.591405][T12167] 
[ 5825.593709][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5825.593709][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5825.593709][T12167]      ipv6_find_idev+0x102/0x170
[ 5825.593709][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5825.593709][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5825.593709][T12167]      netlink_rcv_skb+0x130/0x360
[ 5825.593709][T12167]      netlink_unicast+0x449/0x710
[ 5825.593709][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5825.593709][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5825.593709][T12167]      ___sys_sendmsg+0xee/0x170
[ 5825.593709][T12167]      __sys_sendmsg+0xcd/0x170
[ 5825.593709][T12167]      do_syscall_64+0xc6/0x1e0
[ 5825.593709][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5825.593709][T12167] 
[ 5825.595477][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5825.595477][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5825.595477][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5825.595477][T12167]      ipv6_find_idev+0x102/0x170
[ 5825.595477][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5825.595477][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5825.595477][T12167]      netlink_rcv_skb+0x130/0x360
[ 5825.595477][T12167]      netlink_unicast+0x449/0x710
[ 5825.595477][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5825.595477][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5825.595477][T12167]      ___sys_sendmsg+0xee/0x170
[ 5825.595477][T12167]      __sys_sendmsg+0xcd/0x170
[ 5825.595477][T12167]      do_syscall_64+0xc6/0x1e0
[ 5825.595477][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5825.595477][T12167] 
[ 5835.838749][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5835.839291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5835.839291][T12167]      netdev_get_by_index+0x5e/0x80
[ 5835.839291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5835.839291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5835.839291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5835.839291][T12167]      ipv6_add_addr+0x411/0x2000
[ 5835.839291][T12167]      inet6_addr_add+0x30e/0xa40
[ 5835.839291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5835.839291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5835.839291][T12167]      netlink_rcv_skb+0x130/0x360
[ 5835.839291][T12167]      netlink_unicast+0x449/0x710
[ 5835.839291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5835.839291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5835.839291][T12167]      ___sys_sendmsg+0xee/0x170
[ 5835.839291][T12167]      __sys_sendmsg+0xcd/0x170
[ 5835.839291][T12167]      do_syscall_64+0xc6/0x1e0
[ 5835.839291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5835.839291][T12167] 
[ 5835.841595][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5835.841595][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5835.841595][T12167]      ipv6_find_idev+0x102/0x170
[ 5835.841595][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5835.841595][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5835.841595][T12167]      netlink_rcv_skb+0x130/0x360
[ 5835.841595][T12167]      netlink_unicast+0x449/0x710
[ 5835.841595][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5835.841595][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5835.841595][T12167]      ___sys_sendmsg+0xee/0x170
[ 5835.841595][T12167]      __sys_sendmsg+0xcd/0x170
[ 5835.841595][T12167]      do_syscall_64+0xc6/0x1e0
[ 5835.841595][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5835.841595][T12167] 
[ 5835.843364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5835.843364][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5835.843364][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5835.843364][T12167]      ipv6_find_idev+0x102/0x170
[ 5835.843364][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5835.843364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5835.843364][T12167]      netlink_rcv_skb+0x130/0x360
[ 5835.843364][T12167]      netlink_unicast+0x449/0x710
[ 5835.843364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5835.843364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5835.843364][T12167]      ___sys_sendmsg+0xee/0x170
[ 5835.843364][T12167]      __sys_sendmsg+0xcd/0x170
[ 5835.843364][T12167]      do_syscall_64+0xc6/0x1e0
[ 5835.843364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5835.843364][T12167] 
[ 5846.086738][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5846.087284][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5846.087284][T12167]      netdev_get_by_index+0x5e/0x80
[ 5846.087284][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5846.087284][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5846.087284][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5846.087284][T12167]      ipv6_add_addr+0x411/0x2000
[ 5846.087284][T12167]      inet6_addr_add+0x30e/0xa40
[ 5846.087284][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5846.087284][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5846.087284][T12167]      netlink_rcv_skb+0x130/0x360
[ 5846.087284][T12167]      netlink_unicast+0x449/0x710
[ 5846.087284][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5846.087284][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5846.087284][T12167]      ___sys_sendmsg+0xee/0x170
[ 5846.087284][T12167]      __sys_sendmsg+0xcd/0x170
[ 5846.087284][T12167]      do_syscall_64+0xc6/0x1e0
[ 5846.087284][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5846.087284][T12167] 
[ 5846.089612][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5846.089612][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5846.089612][T12167]      ipv6_find_idev+0x102/0x170
[ 5846.089612][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5846.089612][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5846.089612][T12167]      netlink_rcv_skb+0x130/0x360
[ 5846.089612][T12167]      netlink_unicast+0x449/0x710
[ 5846.089612][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5846.089612][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5846.089612][T12167]      ___sys_sendmsg+0xee/0x170
[ 5846.089612][T12167]      __sys_sendmsg+0xcd/0x170
[ 5846.089612][T12167]      do_syscall_64+0xc6/0x1e0
[ 5846.089612][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5846.089612][T12167] 
[ 5846.091397][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5846.091397][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5846.091397][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5846.091397][T12167]      ipv6_find_idev+0x102/0x170
[ 5846.091397][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5846.091397][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5846.091397][T12167]      netlink_rcv_skb+0x130/0x360
[ 5846.091397][T12167]      netlink_unicast+0x449/0x710
[ 5846.091397][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5846.091397][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5846.091397][T12167]      ___sys_sendmsg+0xee/0x170
[ 5846.091397][T12167]      __sys_sendmsg+0xcd/0x170
[ 5846.091397][T12167]      do_syscall_64+0xc6/0x1e0
[ 5846.091397][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5846.091397][T12167] 
[ 5856.334745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5856.335248][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5856.335248][T12167]      netdev_get_by_index+0x5e/0x80
[ 5856.335248][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5856.335248][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5856.335248][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5856.335248][T12167]      ipv6_add_addr+0x411/0x2000
[ 5856.335248][T12167]      inet6_addr_add+0x30e/0xa40
[ 5856.335248][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5856.335248][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5856.335248][T12167]      netlink_rcv_skb+0x130/0x360
[ 5856.335248][T12167]      netlink_unicast+0x449/0x710
[ 5856.335248][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5856.335248][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5856.335248][T12167]      ___sys_sendmsg+0xee/0x170
[ 5856.335248][T12167]      __sys_sendmsg+0xcd/0x170
[ 5856.335248][T12167]      do_syscall_64+0xc6/0x1e0
[ 5856.335248][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5856.335248][T12167] 
[ 5856.337580][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5856.337580][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5856.337580][T12167]      ipv6_find_idev+0x102/0x170
[ 5856.337580][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5856.337580][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5856.337580][T12167]      netlink_rcv_skb+0x130/0x360
[ 5856.337580][T12167]      netlink_unicast+0x449/0x710
[ 5856.337580][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5856.337580][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5856.337580][T12167]      ___sys_sendmsg+0xee/0x170
[ 5856.337580][T12167]      __sys_sendmsg+0xcd/0x170
[ 5856.337580][T12167]      do_syscall_64+0xc6/0x1e0
[ 5856.337580][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5856.337580][T12167] 
[ 5856.339370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5856.339370][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5856.339370][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5856.339370][T12167]      ipv6_find_idev+0x102/0x170
[ 5856.339370][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5856.339370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5856.339370][T12167]      netlink_rcv_skb+0x130/0x360
[ 5856.339370][T12167]      netlink_unicast+0x449/0x710
[ 5856.339370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5856.339370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5856.339370][T12167]      ___sys_sendmsg+0xee/0x170
[ 5856.339370][T12167]      __sys_sendmsg+0xcd/0x170
[ 5856.339370][T12167]      do_syscall_64+0xc6/0x1e0
[ 5856.339370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5856.339370][T12167] 
[ 5866.582818][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5866.583265][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5866.583265][T12167]      netdev_get_by_index+0x5e/0x80
[ 5866.583265][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5866.583265][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5866.583265][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5866.583265][T12167]      ipv6_add_addr+0x411/0x2000
[ 5866.583265][T12167]      inet6_addr_add+0x30e/0xa40
[ 5866.583265][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5866.583265][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5866.583265][T12167]      netlink_rcv_skb+0x130/0x360
[ 5866.583265][T12167]      netlink_unicast+0x449/0x710
[ 5866.583265][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5866.583265][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5866.583265][T12167]      ___sys_sendmsg+0xee/0x170
[ 5866.583265][T12167]      __sys_sendmsg+0xcd/0x170
[ 5866.583265][T12167]      do_syscall_64+0xc6/0x1e0
[ 5866.583265][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5866.583265][T12167] 
[ 5866.585596][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5866.585596][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5866.585596][T12167]      ipv6_find_idev+0x102/0x170
[ 5866.585596][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5866.585596][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5866.585596][T12167]      netlink_rcv_skb+0x130/0x360
[ 5866.585596][T12167]      netlink_unicast+0x449/0x710
[ 5866.585596][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5866.585596][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5866.585596][T12167]      ___sys_sendmsg+0xee/0x170
[ 5866.585596][T12167]      __sys_sendmsg+0xcd/0x170
[ 5866.585596][T12167]      do_syscall_64+0xc6/0x1e0
[ 5866.585596][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5866.585596][T12167] 
[ 5866.587361][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5866.587361][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5866.587361][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5866.587361][T12167]      ipv6_find_idev+0x102/0x170
[ 5866.587361][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5866.587361][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5866.587361][T12167]      netlink_rcv_skb+0x130/0x360
[ 5866.587361][T12167]      netlink_unicast+0x449/0x710
[ 5866.587361][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5866.587361][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5866.587361][T12167]      ___sys_sendmsg+0xee/0x170
[ 5866.587361][T12167]      __sys_sendmsg+0xcd/0x170
[ 5866.587361][T12167]      do_syscall_64+0xc6/0x1e0
[ 5866.587361][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5866.587361][T12167] 
[ 5876.830805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5876.831268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5876.831268][T12167]      netdev_get_by_index+0x5e/0x80
[ 5876.831268][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5876.831268][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5876.831268][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5876.831268][T12167]      ipv6_add_addr+0x411/0x2000
[ 5876.831268][T12167]      inet6_addr_add+0x30e/0xa40
[ 5876.831268][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5876.831268][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5876.831268][T12167]      netlink_rcv_skb+0x130/0x360
[ 5876.831268][T12167]      netlink_unicast+0x449/0x710
[ 5876.831268][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5876.831268][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5876.831268][T12167]      ___sys_sendmsg+0xee/0x170
[ 5876.831268][T12167]      __sys_sendmsg+0xcd/0x170
[ 5876.831268][T12167]      do_syscall_64+0xc6/0x1e0
[ 5876.831268][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5876.831268][T12167] 
[ 5876.833585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5876.833585][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5876.833585][T12167]      ipv6_find_idev+0x102/0x170
[ 5876.833585][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5876.833585][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5876.833585][T12167]      netlink_rcv_skb+0x130/0x360
[ 5876.833585][T12167]      netlink_unicast+0x449/0x710
[ 5876.833585][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5876.833585][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5876.833585][T12167]      ___sys_sendmsg+0xee/0x170
[ 5876.833585][T12167]      __sys_sendmsg+0xcd/0x170
[ 5876.833585][T12167]      do_syscall_64+0xc6/0x1e0
[ 5876.833585][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5876.833585][T12167] 
[ 5876.835350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5876.835350][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5876.835350][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5876.835350][T12167]      ipv6_find_idev+0x102/0x170
[ 5876.835350][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5876.835350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5876.835350][T12167]      netlink_rcv_skb+0x130/0x360
[ 5876.835350][T12167]      netlink_unicast+0x449/0x710
[ 5876.835350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5876.835350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5876.835350][T12167]      ___sys_sendmsg+0xee/0x170
[ 5876.835350][T12167]      __sys_sendmsg+0xcd/0x170
[ 5876.835350][T12167]      do_syscall_64+0xc6/0x1e0
[ 5876.835350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5876.835350][T12167] 
[ 5887.078767][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5887.079293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5887.079293][T12167]      netdev_get_by_index+0x5e/0x80
[ 5887.079293][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5887.079293][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5887.079293][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5887.079293][T12167]      ipv6_add_addr+0x411/0x2000
[ 5887.079293][T12167]      inet6_addr_add+0x30e/0xa40
[ 5887.079293][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5887.079293][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5887.079293][T12167]      netlink_rcv_skb+0x130/0x360
[ 5887.079293][T12167]      netlink_unicast+0x449/0x710
[ 5887.079293][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5887.079293][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5887.079293][T12167]      ___sys_sendmsg+0xee/0x170
[ 5887.079293][T12167]      __sys_sendmsg+0xcd/0x170
[ 5887.079293][T12167]      do_syscall_64+0xc6/0x1e0
[ 5887.079293][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5887.079293][T12167] 
[ 5887.081614][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5887.081614][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5887.081614][T12167]      ipv6_find_idev+0x102/0x170
[ 5887.081614][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5887.081614][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5887.081614][T12167]      netlink_rcv_skb+0x130/0x360
[ 5887.081614][T12167]      netlink_unicast+0x449/0x710
[ 5887.081614][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5887.081614][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5887.081614][T12167]      ___sys_sendmsg+0xee/0x170
[ 5887.081614][T12167]      __sys_sendmsg+0xcd/0x170
[ 5887.081614][T12167]      do_syscall_64+0xc6/0x1e0
[ 5887.081614][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5887.081614][T12167] 
[ 5887.083375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5887.083375][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5887.083375][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5887.083375][T12167]      ipv6_find_idev+0x102/0x170
[ 5887.083375][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5887.083375][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5887.083375][T12167]      netlink_rcv_skb+0x130/0x360
[ 5887.083375][T12167]      netlink_unicast+0x449/0x710
[ 5887.083375][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5887.083375][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5887.083375][T12167]      ___sys_sendmsg+0xee/0x170
[ 5887.083375][T12167]      __sys_sendmsg+0xcd/0x170
[ 5887.083375][T12167]      do_syscall_64+0xc6/0x1e0
[ 5887.083375][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5887.083375][T12167] 
[ 5897.326754][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5897.327258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5897.327258][T12167]      netdev_get_by_index+0x5e/0x80
[ 5897.327258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5897.327258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5897.327258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5897.327258][T12167]      ipv6_add_addr+0x411/0x2000
[ 5897.327258][T12167]      inet6_addr_add+0x30e/0xa40
[ 5897.327258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5897.327258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5897.327258][T12167]      netlink_rcv_skb+0x130/0x360
[ 5897.327258][T12167]      netlink_unicast+0x449/0x710
[ 5897.327258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5897.327258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5897.327258][T12167]      ___sys_sendmsg+0xee/0x170
[ 5897.327258][T12167]      __sys_sendmsg+0xcd/0x170
[ 5897.327258][T12167]      do_syscall_64+0xc6/0x1e0
[ 5897.327258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5897.327258][T12167] 
[ 5897.329597][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5897.329597][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5897.329597][T12167]      ipv6_find_idev+0x102/0x170
[ 5897.329597][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5897.329597][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5897.329597][T12167]      netlink_rcv_skb+0x130/0x360
[ 5897.329597][T12167]      netlink_unicast+0x449/0x710
[ 5897.329597][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5897.329597][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5897.329597][T12167]      ___sys_sendmsg+0xee/0x170
[ 5897.329597][T12167]      __sys_sendmsg+0xcd/0x170
[ 5897.329597][T12167]      do_syscall_64+0xc6/0x1e0
[ 5897.329597][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5897.329597][T12167] 
[ 5897.331373][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5897.331373][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5897.331373][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5897.331373][T12167]      ipv6_find_idev+0x102/0x170
[ 5897.331373][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5897.331373][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5897.331373][T12167]      netlink_rcv_skb+0x130/0x360
[ 5897.331373][T12167]      netlink_unicast+0x449/0x710
[ 5897.331373][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5897.331373][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5897.331373][T12167]      ___sys_sendmsg+0xee/0x170
[ 5897.331373][T12167]      __sys_sendmsg+0xcd/0x170
[ 5897.331373][T12167]      do_syscall_64+0xc6/0x1e0
[ 5897.331373][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5897.331373][T12167] 
[ 5907.574751][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5907.575293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5907.575293][T12167]      netdev_get_by_index+0x5e/0x80
[ 5907.575293][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5907.575293][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5907.575293][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5907.575293][T12167]      ipv6_add_addr+0x411/0x2000
[ 5907.575293][T12167]      inet6_addr_add+0x30e/0xa40
[ 5907.575293][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5907.575293][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5907.575293][T12167]      netlink_rcv_skb+0x130/0x360
[ 5907.575293][T12167]      netlink_unicast+0x449/0x710
[ 5907.575293][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5907.575293][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5907.575293][T12167]      ___sys_sendmsg+0xee/0x170
[ 5907.575293][T12167]      __sys_sendmsg+0xcd/0x170
[ 5907.575293][T12167]      do_syscall_64+0xc6/0x1e0
[ 5907.575293][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5907.575293][T12167] 
[ 5907.577616][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5907.577616][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5907.577616][T12167]      ipv6_find_idev+0x102/0x170
[ 5907.577616][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5907.577616][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5907.577616][T12167]      netlink_rcv_skb+0x130/0x360
[ 5907.577616][T12167]      netlink_unicast+0x449/0x710
[ 5907.577616][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5907.577616][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5907.577616][T12167]      ___sys_sendmsg+0xee/0x170
[ 5907.577616][T12167]      __sys_sendmsg+0xcd/0x170
[ 5907.577616][T12167]      do_syscall_64+0xc6/0x1e0
[ 5907.577616][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5907.577616][T12167] 
[ 5907.579395][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5907.579395][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5907.579395][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5907.579395][T12167]      ipv6_find_idev+0x102/0x170
[ 5907.579395][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5907.579395][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5907.579395][T12167]      netlink_rcv_skb+0x130/0x360
[ 5907.579395][T12167]      netlink_unicast+0x449/0x710
[ 5907.579395][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5907.579395][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5907.579395][T12167]      ___sys_sendmsg+0xee/0x170
[ 5907.579395][T12167]      __sys_sendmsg+0xcd/0x170
[ 5907.579395][T12167]      do_syscall_64+0xc6/0x1e0
[ 5907.579395][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5907.579395][T12167] 
[ 5917.822814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5917.823294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5917.823294][T12167]      netdev_get_by_index+0x5e/0x80
[ 5917.823294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5917.823294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5917.823294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5917.823294][T12167]      ipv6_add_addr+0x411/0x2000
[ 5917.823294][T12167]      inet6_addr_add+0x30e/0xa40
[ 5917.823294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5917.823294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5917.823294][T12167]      netlink_rcv_skb+0x130/0x360
[ 5917.823294][T12167]      netlink_unicast+0x449/0x710
[ 5917.823294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5917.823294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5917.823294][T12167]      ___sys_sendmsg+0xee/0x170
[ 5917.823294][T12167]      __sys_sendmsg+0xcd/0x170
[ 5917.823294][T12167]      do_syscall_64+0xc6/0x1e0
[ 5917.823294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5917.823294][T12167] 
[ 5917.825596][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5917.825596][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5917.825596][T12167]      ipv6_find_idev+0x102/0x170
[ 5917.825596][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5917.825596][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5917.825596][T12167]      netlink_rcv_skb+0x130/0x360
[ 5917.825596][T12167]      netlink_unicast+0x449/0x710
[ 5917.825596][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5917.825596][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5917.825596][T12167]      ___sys_sendmsg+0xee/0x170
[ 5917.825596][T12167]      __sys_sendmsg+0xcd/0x170
[ 5917.825596][T12167]      do_syscall_64+0xc6/0x1e0
[ 5917.825596][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5917.825596][T12167] 
[ 5917.827366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5917.827366][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5917.827366][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5917.827366][T12167]      ipv6_find_idev+0x102/0x170
[ 5917.827366][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5917.827366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5917.827366][T12167]      netlink_rcv_skb+0x130/0x360
[ 5917.827366][T12167]      netlink_unicast+0x449/0x710
[ 5917.827366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5917.827366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5917.827366][T12167]      ___sys_sendmsg+0xee/0x170
[ 5917.827366][T12167]      __sys_sendmsg+0xcd/0x170
[ 5917.827366][T12167]      do_syscall_64+0xc6/0x1e0
[ 5917.827366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5917.827366][T12167] 
[ 5928.070832][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5928.071308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5928.071308][T12167]      netdev_get_by_index+0x5e/0x80
[ 5928.071308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5928.071308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5928.071308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5928.071308][T12167]      ipv6_add_addr+0x411/0x2000
[ 5928.071308][T12167]      inet6_addr_add+0x30e/0xa40
[ 5928.071308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5928.071308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5928.071308][T12167]      netlink_rcv_skb+0x130/0x360
[ 5928.071308][T12167]      netlink_unicast+0x449/0x710
[ 5928.071308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5928.071308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5928.071308][T12167]      ___sys_sendmsg+0xee/0x170
[ 5928.071308][T12167]      __sys_sendmsg+0xcd/0x170
[ 5928.071308][T12167]      do_syscall_64+0xc6/0x1e0
[ 5928.071308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5928.071308][T12167] 
[ 5928.073610][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5928.073610][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5928.073610][T12167]      ipv6_find_idev+0x102/0x170
[ 5928.073610][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5928.073610][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5928.073610][T12167]      netlink_rcv_skb+0x130/0x360
[ 5928.073610][T12167]      netlink_unicast+0x449/0x710
[ 5928.073610][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5928.073610][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5928.073610][T12167]      ___sys_sendmsg+0xee/0x170
[ 5928.073610][T12167]      __sys_sendmsg+0xcd/0x170
[ 5928.073610][T12167]      do_syscall_64+0xc6/0x1e0
[ 5928.073610][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5928.073610][T12167] 
[ 5928.075378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5928.075378][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5928.075378][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5928.075378][T12167]      ipv6_find_idev+0x102/0x170
[ 5928.075378][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5928.075378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5928.075378][T12167]      netlink_rcv_skb+0x130/0x360
[ 5928.075378][T12167]      netlink_unicast+0x449/0x710
[ 5928.075378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5928.075378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5928.075378][T12167]      ___sys_sendmsg+0xee/0x170
[ 5928.075378][T12167]      __sys_sendmsg+0xcd/0x170
[ 5928.075378][T12167]      do_syscall_64+0xc6/0x1e0
[ 5928.075378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5928.075378][T12167] 
[ 5938.318819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5938.319274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5938.319274][T12167]      netdev_get_by_index+0x5e/0x80
[ 5938.319274][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5938.319274][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5938.319274][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5938.319274][T12167]      ipv6_add_addr+0x411/0x2000
[ 5938.319274][T12167]      inet6_addr_add+0x30e/0xa40
[ 5938.319274][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5938.319274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5938.319274][T12167]      netlink_rcv_skb+0x130/0x360
[ 5938.319274][T12167]      netlink_unicast+0x449/0x710
[ 5938.319274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5938.319274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5938.319274][T12167]      ___sys_sendmsg+0xee/0x170
[ 5938.319274][T12167]      __sys_sendmsg+0xcd/0x170
[ 5938.319274][T12167]      do_syscall_64+0xc6/0x1e0
[ 5938.319274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5938.319274][T12167] 
[ 5938.321590][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5938.321590][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5938.321590][T12167]      ipv6_find_idev+0x102/0x170
[ 5938.321590][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5938.321590][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5938.321590][T12167]      netlink_rcv_skb+0x130/0x360
[ 5938.321590][T12167]      netlink_unicast+0x449/0x710
[ 5938.321590][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5938.321590][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5938.321590][T12167]      ___sys_sendmsg+0xee/0x170
[ 5938.321590][T12167]      __sys_sendmsg+0xcd/0x170
[ 5938.321590][T12167]      do_syscall_64+0xc6/0x1e0
[ 5938.321590][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5938.321590][T12167] 
[ 5938.323359][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5938.323359][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5938.323359][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5938.323359][T12167]      ipv6_find_idev+0x102/0x170
[ 5938.323359][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5938.323359][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5938.323359][T12167]      netlink_rcv_skb+0x130/0x360
[ 5938.323359][T12167]      netlink_unicast+0x449/0x710
[ 5938.323359][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5938.323359][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5938.323359][T12167]      ___sys_sendmsg+0xee/0x170
[ 5938.323359][T12167]      __sys_sendmsg+0xcd/0x170
[ 5938.323359][T12167]      do_syscall_64+0xc6/0x1e0
[ 5938.323359][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5938.323359][T12167] 
[ 5948.566812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5948.567253][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5948.567253][T12167]      netdev_get_by_index+0x5e/0x80
[ 5948.567253][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5948.567253][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5948.567253][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5948.567253][T12167]      ipv6_add_addr+0x411/0x2000
[ 5948.567253][T12167]      inet6_addr_add+0x30e/0xa40
[ 5948.567253][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5948.567253][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5948.567253][T12167]      netlink_rcv_skb+0x130/0x360
[ 5948.567253][T12167]      netlink_unicast+0x449/0x710
[ 5948.567253][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5948.567253][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5948.567253][T12167]      ___sys_sendmsg+0xee/0x170
[ 5948.567253][T12167]      __sys_sendmsg+0xcd/0x170
[ 5948.567253][T12167]      do_syscall_64+0xc6/0x1e0
[ 5948.567253][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5948.567253][T12167] 
[ 5948.569593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5948.569593][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5948.569593][T12167]      ipv6_find_idev+0x102/0x170
[ 5948.569593][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5948.569593][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5948.569593][T12167]      netlink_rcv_skb+0x130/0x360
[ 5948.569593][T12167]      netlink_unicast+0x449/0x710
[ 5948.569593][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5948.569593][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5948.569593][T12167]      ___sys_sendmsg+0xee/0x170
[ 5948.569593][T12167]      __sys_sendmsg+0xcd/0x170
[ 5948.569593][T12167]      do_syscall_64+0xc6/0x1e0
[ 5948.569593][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5948.569593][T12167] 
[ 5948.571360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5948.571360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5948.571360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5948.571360][T12167]      ipv6_find_idev+0x102/0x170
[ 5948.571360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5948.571360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5948.571360][T12167]      netlink_rcv_skb+0x130/0x360
[ 5948.571360][T12167]      netlink_unicast+0x449/0x710
[ 5948.571360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5948.571360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5948.571360][T12167]      ___sys_sendmsg+0xee/0x170
[ 5948.571360][T12167]      __sys_sendmsg+0xcd/0x170
[ 5948.571360][T12167]      do_syscall_64+0xc6/0x1e0
[ 5948.571360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5948.571360][T12167] 
[ 5958.814808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5958.815268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5958.815268][T12167]      netdev_get_by_index+0x5e/0x80
[ 5958.815268][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5958.815268][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5958.815268][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5958.815268][T12167]      ipv6_add_addr+0x411/0x2000
[ 5958.815268][T12167]      inet6_addr_add+0x30e/0xa40
[ 5958.815268][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5958.815268][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5958.815268][T12167]      netlink_rcv_skb+0x130/0x360
[ 5958.815268][T12167]      netlink_unicast+0x449/0x710
[ 5958.815268][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5958.815268][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5958.815268][T12167]      ___sys_sendmsg+0xee/0x170
[ 5958.815268][T12167]      __sys_sendmsg+0xcd/0x170
[ 5958.815268][T12167]      do_syscall_64+0xc6/0x1e0
[ 5958.815268][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5958.815268][T12167] 
[ 5958.817861][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5958.817861][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5958.817861][T12167]      ipv6_find_idev+0x102/0x170
[ 5958.817861][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5958.817861][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5958.817861][T12167]      netlink_rcv_skb+0x130/0x360
[ 5958.817861][T12167]      netlink_unicast+0x449/0x710
[ 5958.817861][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5958.817861][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5958.817861][T12167]      ___sys_sendmsg+0xee/0x170
[ 5958.817861][T12167]      __sys_sendmsg+0xcd/0x170
[ 5958.817861][T12167]      do_syscall_64+0xc6/0x1e0
[ 5958.817861][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5958.817861][T12167] 
[ 5958.819637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5958.819637][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5958.819637][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5958.819637][T12167]      ipv6_find_idev+0x102/0x170
[ 5958.819637][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5958.819637][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5958.819637][T12167]      netlink_rcv_skb+0x130/0x360
[ 5958.819637][T12167]      netlink_unicast+0x449/0x710
[ 5958.819637][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5958.819637][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5958.819637][T12167]      ___sys_sendmsg+0xee/0x170
[ 5958.819637][T12167]      __sys_sendmsg+0xcd/0x170
[ 5958.819637][T12167]      do_syscall_64+0xc6/0x1e0
[ 5958.819637][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5958.819637][T12167] 
[ 5969.062833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5969.063264][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5969.063264][T12167]      netdev_get_by_index+0x5e/0x80
[ 5969.063264][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5969.063264][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5969.063264][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5969.063264][T12167]      ipv6_add_addr+0x411/0x2000
[ 5969.063264][T12167]      inet6_addr_add+0x30e/0xa40
[ 5969.063264][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5969.063264][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5969.063264][T12167]      netlink_rcv_skb+0x130/0x360
[ 5969.063264][T12167]      netlink_unicast+0x449/0x710
[ 5969.063264][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5969.063264][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5969.063264][T12167]      ___sys_sendmsg+0xee/0x170
[ 5969.063264][T12167]      __sys_sendmsg+0xcd/0x170
[ 5969.063264][T12167]      do_syscall_64+0xc6/0x1e0
[ 5969.063264][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5969.063264][T12167] 
[ 5969.065582][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5969.065582][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5969.065582][T12167]      ipv6_find_idev+0x102/0x170
[ 5969.065582][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5969.065582][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5969.065582][T12167]      netlink_rcv_skb+0x130/0x360
[ 5969.065582][T12167]      netlink_unicast+0x449/0x710
[ 5969.065582][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5969.065582][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5969.065582][T12167]      ___sys_sendmsg+0xee/0x170
[ 5969.065582][T12167]      __sys_sendmsg+0xcd/0x170
[ 5969.065582][T12167]      do_syscall_64+0xc6/0x1e0
[ 5969.065582][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5969.065582][T12167] 
[ 5969.067335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5969.067335][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5969.067335][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5969.067335][T12167]      ipv6_find_idev+0x102/0x170
[ 5969.067335][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5969.067335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5969.067335][T12167]      netlink_rcv_skb+0x130/0x360
[ 5969.067335][T12167]      netlink_unicast+0x449/0x710
[ 5969.067335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5969.067335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5969.067335][T12167]      ___sys_sendmsg+0xee/0x170
[ 5969.067335][T12167]      __sys_sendmsg+0xcd/0x170
[ 5969.067335][T12167]      do_syscall_64+0xc6/0x1e0
[ 5969.067335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5969.067335][T12167] 
[ 5979.310809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5979.311232][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5979.311232][T12167]      netdev_get_by_index+0x5e/0x80
[ 5979.311232][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5979.311232][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5979.311232][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5979.311232][T12167]      ipv6_add_addr+0x411/0x2000
[ 5979.311232][T12167]      inet6_addr_add+0x30e/0xa40
[ 5979.311232][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5979.311232][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5979.311232][T12167]      netlink_rcv_skb+0x130/0x360
[ 5979.311232][T12167]      netlink_unicast+0x449/0x710
[ 5979.311232][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5979.311232][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5979.311232][T12167]      ___sys_sendmsg+0xee/0x170
[ 5979.311232][T12167]      __sys_sendmsg+0xcd/0x170
[ 5979.311232][T12167]      do_syscall_64+0xc6/0x1e0
[ 5979.311232][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5979.311232][T12167] 
[ 5979.313540][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5979.313540][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5979.313540][T12167]      ipv6_find_idev+0x102/0x170
[ 5979.313540][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5979.313540][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5979.313540][T12167]      netlink_rcv_skb+0x130/0x360
[ 5979.313540][T12167]      netlink_unicast+0x449/0x710
[ 5979.313540][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5979.313540][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5979.313540][T12167]      ___sys_sendmsg+0xee/0x170
[ 5979.313540][T12167]      __sys_sendmsg+0xcd/0x170
[ 5979.313540][T12167]      do_syscall_64+0xc6/0x1e0
[ 5979.313540][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5979.313540][T12167] 
[ 5979.315301][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5979.315301][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5979.315301][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5979.315301][T12167]      ipv6_find_idev+0x102/0x170
[ 5979.315301][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5979.315301][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5979.315301][T12167]      netlink_rcv_skb+0x130/0x360
[ 5979.315301][T12167]      netlink_unicast+0x449/0x710
[ 5979.315301][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5979.315301][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5979.315301][T12167]      ___sys_sendmsg+0xee/0x170
[ 5979.315301][T12167]      __sys_sendmsg+0xcd/0x170
[ 5979.315301][T12167]      do_syscall_64+0xc6/0x1e0
[ 5979.315301][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5979.315301][T12167] 
[ 5989.558807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5989.559247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5989.559247][T12167]      netdev_get_by_index+0x5e/0x80
[ 5989.559247][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5989.559247][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5989.559247][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5989.559247][T12167]      ipv6_add_addr+0x411/0x2000
[ 5989.559247][T12167]      inet6_addr_add+0x30e/0xa40
[ 5989.559247][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5989.559247][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5989.559247][T12167]      netlink_rcv_skb+0x130/0x360
[ 5989.559247][T12167]      netlink_unicast+0x449/0x710
[ 5989.559247][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5989.559247][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5989.559247][T12167]      ___sys_sendmsg+0xee/0x170
[ 5989.559247][T12167]      __sys_sendmsg+0xcd/0x170
[ 5989.559247][T12167]      do_syscall_64+0xc6/0x1e0
[ 5989.559247][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5989.559247][T12167] 
[ 5989.561585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5989.561585][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5989.561585][T12167]      ipv6_find_idev+0x102/0x170
[ 5989.561585][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5989.561585][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5989.561585][T12167]      netlink_rcv_skb+0x130/0x360
[ 5989.561585][T12167]      netlink_unicast+0x449/0x710
[ 5989.561585][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5989.561585][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5989.561585][T12167]      ___sys_sendmsg+0xee/0x170
[ 5989.561585][T12167]      __sys_sendmsg+0xcd/0x170
[ 5989.561585][T12167]      do_syscall_64+0xc6/0x1e0
[ 5989.561585][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5989.561585][T12167] 
[ 5989.563350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5989.563350][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5989.563350][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5989.563350][T12167]      ipv6_find_idev+0x102/0x170
[ 5989.563350][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5989.563350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5989.563350][T12167]      netlink_rcv_skb+0x130/0x360
[ 5989.563350][T12167]      netlink_unicast+0x449/0x710
[ 5989.563350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5989.563350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5989.563350][T12167]      ___sys_sendmsg+0xee/0x170
[ 5989.563350][T12167]      __sys_sendmsg+0xcd/0x170
[ 5989.563350][T12167]      do_syscall_64+0xc6/0x1e0
[ 5989.563350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5989.563350][T12167] 
[ 5999.758751][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 5999.759647][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5999.759647][T12167]      netdev_get_by_index+0x5e/0x80
[ 5999.759647][T12167]      fib6_nh_init+0x3d8/0x1580
[ 5999.759647][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 5999.759647][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 5999.759647][T12167]      ipv6_add_addr+0x411/0x2000
[ 5999.759647][T12167]      inet6_addr_add+0x30e/0xa40
[ 5999.759647][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 5999.759647][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5999.759647][T12167]      netlink_rcv_skb+0x130/0x360
[ 5999.759647][T12167]      netlink_unicast+0x449/0x710
[ 5999.759647][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5999.759647][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5999.759647][T12167]      ___sys_sendmsg+0xee/0x170
[ 5999.759647][T12167]      __sys_sendmsg+0xcd/0x170
[ 5999.759647][T12167]      do_syscall_64+0xc6/0x1e0
[ 5999.759647][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5999.759647][T12167] 
[ 5999.761950][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5999.761950][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 5999.761950][T12167]      ipv6_find_idev+0x102/0x170
[ 5999.761950][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5999.761950][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5999.761950][T12167]      netlink_rcv_skb+0x130/0x360
[ 5999.761950][T12167]      netlink_unicast+0x449/0x710
[ 5999.761950][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5999.761950][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5999.761950][T12167]      ___sys_sendmsg+0xee/0x170
[ 5999.761950][T12167]      __sys_sendmsg+0xcd/0x170
[ 5999.761950][T12167]      do_syscall_64+0xc6/0x1e0
[ 5999.761950][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5999.761950][T12167] 
[ 5999.763699][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 5999.763699][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 5999.763699][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 5999.763699][T12167]      ipv6_find_idev+0x102/0x170
[ 5999.763699][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5999.763699][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5999.763699][T12167]      netlink_rcv_skb+0x130/0x360
[ 5999.763699][T12167]      netlink_unicast+0x449/0x710
[ 5999.763699][T12167]      netlink_sendmsg+0x723/0xbe0
[ 5999.763699][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 5999.763699][T12167]      ___sys_sendmsg+0xee/0x170
[ 5999.763699][T12167]      __sys_sendmsg+0xcd/0x170
[ 5999.763699][T12167]      do_syscall_64+0xc6/0x1e0
[ 5999.763699][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5999.763699][T12167] 
[ 6010.006731][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6010.007248][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6010.007248][T12167]      netdev_get_by_index+0x5e/0x80
[ 6010.007248][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6010.007248][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6010.007248][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6010.007248][T12167]      ipv6_add_addr+0x411/0x2000
[ 6010.007248][T12167]      inet6_addr_add+0x30e/0xa40
[ 6010.007248][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6010.007248][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6010.007248][T12167]      netlink_rcv_skb+0x130/0x360
[ 6010.007248][T12167]      netlink_unicast+0x449/0x710
[ 6010.007248][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6010.007248][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6010.007248][T12167]      ___sys_sendmsg+0xee/0x170
[ 6010.007248][T12167]      __sys_sendmsg+0xcd/0x170
[ 6010.007248][T12167]      do_syscall_64+0xc6/0x1e0
[ 6010.007248][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6010.007248][T12167] 
[ 6010.009532][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6010.009532][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6010.009532][T12167]      ipv6_find_idev+0x102/0x170
[ 6010.009532][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6010.009532][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6010.009532][T12167]      netlink_rcv_skb+0x130/0x360
[ 6010.009532][T12167]      netlink_unicast+0x449/0x710
[ 6010.009532][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6010.009532][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6010.009532][T12167]      ___sys_sendmsg+0xee/0x170
[ 6010.009532][T12167]      __sys_sendmsg+0xcd/0x170
[ 6010.009532][T12167]      do_syscall_64+0xc6/0x1e0
[ 6010.009532][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6010.009532][T12167] 
[ 6010.011281][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6010.011281][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6010.011281][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6010.011281][T12167]      ipv6_find_idev+0x102/0x170
[ 6010.011281][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6010.011281][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6010.011281][T12167]      netlink_rcv_skb+0x130/0x360
[ 6010.011281][T12167]      netlink_unicast+0x449/0x710
[ 6010.011281][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6010.011281][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6010.011281][T12167]      ___sys_sendmsg+0xee/0x170
[ 6010.011281][T12167]      __sys_sendmsg+0xcd/0x170
[ 6010.011281][T12167]      do_syscall_64+0xc6/0x1e0
[ 6010.011281][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6010.011281][T12167] 
[ 6020.254735][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6020.255252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6020.255252][T12167]      netdev_get_by_index+0x5e/0x80
[ 6020.255252][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6020.255252][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6020.255252][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6020.255252][T12167]      ipv6_add_addr+0x411/0x2000
[ 6020.255252][T12167]      inet6_addr_add+0x30e/0xa40
[ 6020.255252][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6020.255252][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6020.255252][T12167]      netlink_rcv_skb+0x130/0x360
[ 6020.255252][T12167]      netlink_unicast+0x449/0x710
[ 6020.255252][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6020.255252][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6020.255252][T12167]      ___sys_sendmsg+0xee/0x170
[ 6020.255252][T12167]      __sys_sendmsg+0xcd/0x170
[ 6020.255252][T12167]      do_syscall_64+0xc6/0x1e0
[ 6020.255252][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6020.255252][T12167] 
[ 6020.257549][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6020.257549][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6020.257549][T12167]      ipv6_find_idev+0x102/0x170
[ 6020.257549][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6020.257549][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6020.257549][T12167]      netlink_rcv_skb+0x130/0x360
[ 6020.257549][T12167]      netlink_unicast+0x449/0x710
[ 6020.257549][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6020.257549][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6020.257549][T12167]      ___sys_sendmsg+0xee/0x170
[ 6020.257549][T12167]      __sys_sendmsg+0xcd/0x170
[ 6020.257549][T12167]      do_syscall_64+0xc6/0x1e0
[ 6020.257549][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6020.257549][T12167] 
[ 6020.259304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6020.259304][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6020.259304][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6020.259304][T12167]      ipv6_find_idev+0x102/0x170
[ 6020.259304][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6020.259304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6020.259304][T12167]      netlink_rcv_skb+0x130/0x360
[ 6020.259304][T12167]      netlink_unicast+0x449/0x710
[ 6020.259304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6020.259304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6020.259304][T12167]      ___sys_sendmsg+0xee/0x170
[ 6020.259304][T12167]      __sys_sendmsg+0xcd/0x170
[ 6020.259304][T12167]      do_syscall_64+0xc6/0x1e0
[ 6020.259304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6020.259304][T12167] 
[ 6030.502803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6030.503245][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6030.503245][T12167]      netdev_get_by_index+0x5e/0x80
[ 6030.503245][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6030.503245][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6030.503245][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6030.503245][T12167]      ipv6_add_addr+0x411/0x2000
[ 6030.503245][T12167]      inet6_addr_add+0x30e/0xa40
[ 6030.503245][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6030.503245][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6030.503245][T12167]      netlink_rcv_skb+0x130/0x360
[ 6030.503245][T12167]      netlink_unicast+0x449/0x710
[ 6030.503245][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6030.503245][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6030.503245][T12167]      ___sys_sendmsg+0xee/0x170
[ 6030.503245][T12167]      __sys_sendmsg+0xcd/0x170
[ 6030.503245][T12167]      do_syscall_64+0xc6/0x1e0
[ 6030.503245][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6030.503245][T12167] 
[ 6030.505543][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6030.505543][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6030.505543][T12167]      ipv6_find_idev+0x102/0x170
[ 6030.505543][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6030.505543][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6030.505543][T12167]      netlink_rcv_skb+0x130/0x360
[ 6030.505543][T12167]      netlink_unicast+0x449/0x710
[ 6030.505543][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6030.505543][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6030.505543][T12167]      ___sys_sendmsg+0xee/0x170
[ 6030.505543][T12167]      __sys_sendmsg+0xcd/0x170
[ 6030.505543][T12167]      do_syscall_64+0xc6/0x1e0
[ 6030.505543][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6030.505543][T12167] 
[ 6030.507311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6030.507311][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6030.507311][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6030.507311][T12167]      ipv6_find_idev+0x102/0x170
[ 6030.507311][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6030.507311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6030.507311][T12167]      netlink_rcv_skb+0x130/0x360
[ 6030.507311][T12167]      netlink_unicast+0x449/0x710
[ 6030.507311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6030.507311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6030.507311][T12167]      ___sys_sendmsg+0xee/0x170
[ 6030.507311][T12167]      __sys_sendmsg+0xcd/0x170
[ 6030.507311][T12167]      do_syscall_64+0xc6/0x1e0
[ 6030.507311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6030.507311][T12167] 
[ 6040.750815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6040.751271][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6040.751271][T12167]      netdev_get_by_index+0x5e/0x80
[ 6040.751271][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6040.751271][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6040.751271][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6040.751271][T12167]      ipv6_add_addr+0x411/0x2000
[ 6040.751271][T12167]      inet6_addr_add+0x30e/0xa40
[ 6040.751271][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6040.751271][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6040.751271][T12167]      netlink_rcv_skb+0x130/0x360
[ 6040.751271][T12167]      netlink_unicast+0x449/0x710
[ 6040.751271][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6040.751271][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6040.751271][T12167]      ___sys_sendmsg+0xee/0x170
[ 6040.751271][T12167]      __sys_sendmsg+0xcd/0x170
[ 6040.751271][T12167]      do_syscall_64+0xc6/0x1e0
[ 6040.751271][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6040.751271][T12167] 
[ 6040.753568][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6040.753568][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6040.753568][T12167]      ipv6_find_idev+0x102/0x170
[ 6040.753568][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6040.753568][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6040.753568][T12167]      netlink_rcv_skb+0x130/0x360
[ 6040.753568][T12167]      netlink_unicast+0x449/0x710
[ 6040.753568][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6040.753568][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6040.753568][T12167]      ___sys_sendmsg+0xee/0x170
[ 6040.753568][T12167]      __sys_sendmsg+0xcd/0x170
[ 6040.753568][T12167]      do_syscall_64+0xc6/0x1e0
[ 6040.753568][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6040.753568][T12167] 
[ 6040.755320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6040.755320][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6040.755320][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6040.755320][T12167]      ipv6_find_idev+0x102/0x170
[ 6040.755320][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6040.755320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6040.755320][T12167]      netlink_rcv_skb+0x130/0x360
[ 6040.755320][T12167]      netlink_unicast+0x449/0x710
[ 6040.755320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6040.755320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6040.755320][T12167]      ___sys_sendmsg+0xee/0x170
[ 6040.755320][T12167]      __sys_sendmsg+0xcd/0x170
[ 6040.755320][T12167]      do_syscall_64+0xc6/0x1e0
[ 6040.755320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6040.755320][T12167] 
[ 6050.998756][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6050.999266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6050.999266][T12167]      netdev_get_by_index+0x5e/0x80
[ 6050.999266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6050.999266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6050.999266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6050.999266][T12167]      ipv6_add_addr+0x411/0x2000
[ 6050.999266][T12167]      inet6_addr_add+0x30e/0xa40
[ 6050.999266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6050.999266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6050.999266][T12167]      netlink_rcv_skb+0x130/0x360
[ 6050.999266][T12167]      netlink_unicast+0x449/0x710
[ 6050.999266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6050.999266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6050.999266][T12167]      ___sys_sendmsg+0xee/0x170
[ 6050.999266][T12167]      __sys_sendmsg+0xcd/0x170
[ 6050.999266][T12167]      do_syscall_64+0xc6/0x1e0
[ 6050.999266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6050.999266][T12167] 
[ 6051.001559][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6051.001559][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6051.001559][T12167]      ipv6_find_idev+0x102/0x170
[ 6051.001559][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6051.001559][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6051.001559][T12167]      netlink_rcv_skb+0x130/0x360
[ 6051.001559][T12167]      netlink_unicast+0x449/0x710
[ 6051.001559][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6051.001559][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6051.001559][T12167]      ___sys_sendmsg+0xee/0x170
[ 6051.001559][T12167]      __sys_sendmsg+0xcd/0x170
[ 6051.001559][T12167]      do_syscall_64+0xc6/0x1e0
[ 6051.001559][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6051.001559][T12167] 
[ 6051.003312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6051.003312][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6051.003312][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6051.003312][T12167]      ipv6_find_idev+0x102/0x170
[ 6051.003312][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6051.003312][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6051.003312][T12167]      netlink_rcv_skb+0x130/0x360
[ 6051.003312][T12167]      netlink_unicast+0x449/0x710
[ 6051.003312][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6051.003312][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6051.003312][T12167]      ___sys_sendmsg+0xee/0x170
[ 6051.003312][T12167]      __sys_sendmsg+0xcd/0x170
[ 6051.003312][T12167]      do_syscall_64+0xc6/0x1e0
[ 6051.003312][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6051.003312][T12167] 
[ 6061.246735][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6061.247255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6061.247255][T12167]      netdev_get_by_index+0x5e/0x80
[ 6061.247255][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6061.247255][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6061.247255][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6061.247255][T12167]      ipv6_add_addr+0x411/0x2000
[ 6061.247255][T12167]      inet6_addr_add+0x30e/0xa40
[ 6061.247255][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6061.247255][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6061.247255][T12167]      netlink_rcv_skb+0x130/0x360
[ 6061.247255][T12167]      netlink_unicast+0x449/0x710
[ 6061.247255][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6061.247255][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6061.247255][T12167]      ___sys_sendmsg+0xee/0x170
[ 6061.247255][T12167]      __sys_sendmsg+0xcd/0x170
[ 6061.247255][T12167]      do_syscall_64+0xc6/0x1e0
[ 6061.247255][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6061.247255][T12167] 
[ 6061.249546][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6061.249546][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6061.249546][T12167]      ipv6_find_idev+0x102/0x170
[ 6061.249546][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6061.249546][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6061.249546][T12167]      netlink_rcv_skb+0x130/0x360
[ 6061.249546][T12167]      netlink_unicast+0x449/0x710
[ 6061.249546][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6061.249546][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6061.249546][T12167]      ___sys_sendmsg+0xee/0x170
[ 6061.249546][T12167]      __sys_sendmsg+0xcd/0x170
[ 6061.249546][T12167]      do_syscall_64+0xc6/0x1e0
[ 6061.249546][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6061.249546][T12167] 
[ 6061.251309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6061.251309][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6061.251309][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6061.251309][T12167]      ipv6_find_idev+0x102/0x170
[ 6061.251309][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6061.251309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6061.251309][T12167]      netlink_rcv_skb+0x130/0x360
[ 6061.251309][T12167]      netlink_unicast+0x449/0x710
[ 6061.251309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6061.251309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6061.251309][T12167]      ___sys_sendmsg+0xee/0x170
[ 6061.251309][T12167]      __sys_sendmsg+0xcd/0x170
[ 6061.251309][T12167]      do_syscall_64+0xc6/0x1e0
[ 6061.251309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6061.251309][T12167] 
[ 6071.494823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6071.495260][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6071.495260][T12167]      netdev_get_by_index+0x5e/0x80
[ 6071.495260][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6071.495260][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6071.495260][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6071.495260][T12167]      ipv6_add_addr+0x411/0x2000
[ 6071.495260][T12167]      inet6_addr_add+0x30e/0xa40
[ 6071.495260][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6071.495260][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6071.495260][T12167]      netlink_rcv_skb+0x130/0x360
[ 6071.495260][T12167]      netlink_unicast+0x449/0x710
[ 6071.495260][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6071.495260][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6071.495260][T12167]      ___sys_sendmsg+0xee/0x170
[ 6071.495260][T12167]      __sys_sendmsg+0xcd/0x170
[ 6071.495260][T12167]      do_syscall_64+0xc6/0x1e0
[ 6071.495260][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6071.495260][T12167] 
[ 6071.497560][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6071.497560][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6071.497560][T12167]      ipv6_find_idev+0x102/0x170
[ 6071.497560][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6071.497560][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6071.497560][T12167]      netlink_rcv_skb+0x130/0x360
[ 6071.497560][T12167]      netlink_unicast+0x449/0x710
[ 6071.497560][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6071.497560][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6071.497560][T12167]      ___sys_sendmsg+0xee/0x170
[ 6071.497560][T12167]      __sys_sendmsg+0xcd/0x170
[ 6071.497560][T12167]      do_syscall_64+0xc6/0x1e0
[ 6071.497560][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6071.497560][T12167] 
[ 6071.499304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6071.499304][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6071.499304][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6071.499304][T12167]      ipv6_find_idev+0x102/0x170
[ 6071.499304][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6071.499304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6071.499304][T12167]      netlink_rcv_skb+0x130/0x360
[ 6071.499304][T12167]      netlink_unicast+0x449/0x710
[ 6071.499304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6071.499304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6071.499304][T12167]      ___sys_sendmsg+0xee/0x170
[ 6071.499304][T12167]      __sys_sendmsg+0xcd/0x170
[ 6071.499304][T12167]      do_syscall_64+0xc6/0x1e0
[ 6071.499304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6071.499304][T12167] 
[ 6081.742808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6081.743257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6081.743257][T12167]      netdev_get_by_index+0x5e/0x80
[ 6081.743257][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6081.743257][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6081.743257][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6081.743257][T12167]      ipv6_add_addr+0x411/0x2000
[ 6081.743257][T12167]      inet6_addr_add+0x30e/0xa40
[ 6081.743257][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6081.743257][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6081.743257][T12167]      netlink_rcv_skb+0x130/0x360
[ 6081.743257][T12167]      netlink_unicast+0x449/0x710
[ 6081.743257][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6081.743257][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6081.743257][T12167]      ___sys_sendmsg+0xee/0x170
[ 6081.743257][T12167]      __sys_sendmsg+0xcd/0x170
[ 6081.743257][T12167]      do_syscall_64+0xc6/0x1e0
[ 6081.743257][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6081.743257][T12167] 
[ 6081.745546][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6081.745546][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6081.745546][T12167]      ipv6_find_idev+0x102/0x170
[ 6081.745546][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6081.745546][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6081.745546][T12167]      netlink_rcv_skb+0x130/0x360
[ 6081.745546][T12167]      netlink_unicast+0x449/0x710
[ 6081.745546][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6081.745546][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6081.745546][T12167]      ___sys_sendmsg+0xee/0x170
[ 6081.745546][T12167]      __sys_sendmsg+0xcd/0x170
[ 6081.745546][T12167]      do_syscall_64+0xc6/0x1e0
[ 6081.745546][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6081.745546][T12167] 
[ 6081.747307][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6081.747307][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6081.747307][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6081.747307][T12167]      ipv6_find_idev+0x102/0x170
[ 6081.747307][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6081.747307][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6081.747307][T12167]      netlink_rcv_skb+0x130/0x360
[ 6081.747307][T12167]      netlink_unicast+0x449/0x710
[ 6081.747307][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6081.747307][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6081.747307][T12167]      ___sys_sendmsg+0xee/0x170
[ 6081.747307][T12167]      __sys_sendmsg+0xcd/0x170
[ 6081.747307][T12167]      do_syscall_64+0xc6/0x1e0
[ 6081.747307][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6081.747307][T12167] 
[ 6091.990825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6091.991306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6091.991306][T12167]      netdev_get_by_index+0x5e/0x80
[ 6091.991306][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6091.991306][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6091.991306][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6091.991306][T12167]      ipv6_add_addr+0x411/0x2000
[ 6091.991306][T12167]      inet6_addr_add+0x30e/0xa40
[ 6091.991306][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6091.991306][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6091.991306][T12167]      netlink_rcv_skb+0x130/0x360
[ 6091.991306][T12167]      netlink_unicast+0x449/0x710
[ 6091.991306][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6091.991306][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6091.991306][T12167]      ___sys_sendmsg+0xee/0x170
[ 6091.991306][T12167]      __sys_sendmsg+0xcd/0x170
[ 6091.991306][T12167]      do_syscall_64+0xc6/0x1e0
[ 6091.991306][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6091.991306][T12167] 
[ 6091.994112][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6091.994112][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6091.994112][T12167]      ipv6_find_idev+0x102/0x170
[ 6091.994112][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6091.994112][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6091.994112][T12167]      netlink_rcv_skb+0x130/0x360
[ 6091.994112][T12167]      netlink_unicast+0x449/0x710
[ 6091.994112][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6091.994112][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6091.994112][T12167]      ___sys_sendmsg+0xee/0x170
[ 6091.994112][T12167]      __sys_sendmsg+0xcd/0x170
[ 6091.994112][T12167]      do_syscall_64+0xc6/0x1e0
[ 6091.994112][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6091.994112][T12167] 
[ 6091.995865][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6091.995865][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6091.995865][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6091.995865][T12167]      ipv6_find_idev+0x102/0x170
[ 6091.995865][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6091.995865][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6091.995865][T12167]      netlink_rcv_skb+0x130/0x360
[ 6091.995865][T12167]      netlink_unicast+0x449/0x710
[ 6091.995865][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6091.995865][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6091.995865][T12167]      ___sys_sendmsg+0xee/0x170
[ 6091.995865][T12167]      __sys_sendmsg+0xcd/0x170
[ 6091.995865][T12167]      do_syscall_64+0xc6/0x1e0
[ 6091.995865][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6091.995865][T12167] 
[ 6102.238807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6102.239309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6102.239309][T12167]      netdev_get_by_index+0x5e/0x80
[ 6102.239309][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6102.239309][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6102.239309][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6102.239309][T12167]      ipv6_add_addr+0x411/0x2000
[ 6102.239309][T12167]      inet6_addr_add+0x30e/0xa40
[ 6102.239309][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6102.239309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6102.239309][T12167]      netlink_rcv_skb+0x130/0x360
[ 6102.239309][T12167]      netlink_unicast+0x449/0x710
[ 6102.239309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6102.239309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6102.239309][T12167]      ___sys_sendmsg+0xee/0x170
[ 6102.239309][T12167]      __sys_sendmsg+0xcd/0x170
[ 6102.239309][T12167]      do_syscall_64+0xc6/0x1e0
[ 6102.239309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6102.239309][T12167] 
[ 6102.241575][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6102.241575][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6102.241575][T12167]      ipv6_find_idev+0x102/0x170
[ 6102.241575][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6102.241575][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6102.241575][T12167]      netlink_rcv_skb+0x130/0x360
[ 6102.241575][T12167]      netlink_unicast+0x449/0x710
[ 6102.241575][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6102.241575][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6102.241575][T12167]      ___sys_sendmsg+0xee/0x170
[ 6102.241575][T12167]      __sys_sendmsg+0xcd/0x170
[ 6102.241575][T12167]      do_syscall_64+0xc6/0x1e0
[ 6102.241575][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6102.241575][T12167] 
[ 6102.243315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6102.243315][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6102.243315][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6102.243315][T12167]      ipv6_find_idev+0x102/0x170
[ 6102.243315][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6102.243315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6102.243315][T12167]      netlink_rcv_skb+0x130/0x360
[ 6102.243315][T12167]      netlink_unicast+0x449/0x710
[ 6102.243315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6102.243315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6102.243315][T12167]      ___sys_sendmsg+0xee/0x170
[ 6102.243315][T12167]      __sys_sendmsg+0xcd/0x170
[ 6102.243315][T12167]      do_syscall_64+0xc6/0x1e0
[ 6102.243315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6102.243315][T12167] 
[ 6112.486807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6112.487290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6112.487290][T12167]      netdev_get_by_index+0x5e/0x80
[ 6112.487290][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6112.487290][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6112.487290][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6112.487290][T12167]      ipv6_add_addr+0x411/0x2000
[ 6112.487290][T12167]      inet6_addr_add+0x30e/0xa40
[ 6112.487290][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6112.487290][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6112.487290][T12167]      netlink_rcv_skb+0x130/0x360
[ 6112.487290][T12167]      netlink_unicast+0x449/0x710
[ 6112.487290][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6112.487290][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6112.487290][T12167]      ___sys_sendmsg+0xee/0x170
[ 6112.487290][T12167]      __sys_sendmsg+0xcd/0x170
[ 6112.487290][T12167]      do_syscall_64+0xc6/0x1e0
[ 6112.487290][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6112.487290][T12167] 
[ 6112.489609][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6112.489609][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6112.489609][T12167]      ipv6_find_idev+0x102/0x170
[ 6112.489609][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6112.489609][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6112.489609][T12167]      netlink_rcv_skb+0x130/0x360
[ 6112.489609][T12167]      netlink_unicast+0x449/0x710
[ 6112.489609][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6112.489609][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6112.489609][T12167]      ___sys_sendmsg+0xee/0x170
[ 6112.489609][T12167]      __sys_sendmsg+0xcd/0x170
[ 6112.489609][T12167]      do_syscall_64+0xc6/0x1e0
[ 6112.489609][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6112.489609][T12167] 
[ 6112.491353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6112.491353][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6112.491353][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6112.491353][T12167]      ipv6_find_idev+0x102/0x170
[ 6112.491353][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6112.491353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6112.491353][T12167]      netlink_rcv_skb+0x130/0x360
[ 6112.491353][T12167]      netlink_unicast+0x449/0x710
[ 6112.491353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6112.491353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6112.491353][T12167]      ___sys_sendmsg+0xee/0x170
[ 6112.491353][T12167]      __sys_sendmsg+0xcd/0x170
[ 6112.491353][T12167]      do_syscall_64+0xc6/0x1e0
[ 6112.491353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6112.491353][T12167] 
[ 6122.558877][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6122.559382][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6122.559382][T12167]      netdev_get_by_index+0x5e/0x80
[ 6122.559382][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6122.559382][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6122.559382][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6122.559382][T12167]      ipv6_add_addr+0x411/0x2000
[ 6122.559382][T12167]      inet6_addr_add+0x30e/0xa40
[ 6122.559382][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6122.559382][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6122.559382][T12167]      netlink_rcv_skb+0x130/0x360
[ 6122.559382][T12167]      netlink_unicast+0x449/0x710
[ 6122.559382][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6122.559382][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6122.559382][T12167]      ___sys_sendmsg+0xee/0x170
[ 6122.559382][T12167]      __sys_sendmsg+0xcd/0x170
[ 6122.559382][T12167]      do_syscall_64+0xc6/0x1e0
[ 6122.559382][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6122.559382][T12167] 
[ 6122.561682][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6122.561682][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6122.561682][T12167]      ipv6_find_idev+0x102/0x170
[ 6122.561682][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6122.561682][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6122.561682][T12167]      netlink_rcv_skb+0x130/0x360
[ 6122.561682][T12167]      netlink_unicast+0x449/0x710
[ 6122.561682][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6122.561682][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6122.561682][T12167]      ___sys_sendmsg+0xee/0x170
[ 6122.561682][T12167]      __sys_sendmsg+0xcd/0x170
[ 6122.561682][T12167]      do_syscall_64+0xc6/0x1e0
[ 6122.561682][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6122.561682][T12167] 
[ 6122.563429][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6122.563429][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6122.563429][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6122.563429][T12167]      ipv6_find_idev+0x102/0x170
[ 6122.563429][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6122.563429][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6122.563429][T12167]      netlink_rcv_skb+0x130/0x360
[ 6122.563429][T12167]      netlink_unicast+0x449/0x710
[ 6122.563429][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6122.563429][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6122.563429][T12167]      ___sys_sendmsg+0xee/0x170
[ 6122.563429][T12167]      __sys_sendmsg+0xcd/0x170
[ 6122.563429][T12167]      do_syscall_64+0xc6/0x1e0
[ 6122.563429][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6122.563429][T12167] 
[ 6132.726808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6132.727249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6132.727249][T12167]      netdev_get_by_index+0x5e/0x80
[ 6132.727249][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6132.727249][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6132.727249][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6132.727249][T12167]      ipv6_add_addr+0x411/0x2000
[ 6132.727249][T12167]      inet6_addr_add+0x30e/0xa40
[ 6132.727249][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6132.727249][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6132.727249][T12167]      netlink_rcv_skb+0x130/0x360
[ 6132.727249][T12167]      netlink_unicast+0x449/0x710
[ 6132.727249][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6132.727249][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6132.727249][T12167]      ___sys_sendmsg+0xee/0x170
[ 6132.727249][T12167]      __sys_sendmsg+0xcd/0x170
[ 6132.727249][T12167]      do_syscall_64+0xc6/0x1e0
[ 6132.727249][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6132.727249][T12167] 
[ 6132.729547][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6132.729547][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6132.729547][T12167]      ipv6_find_idev+0x102/0x170
[ 6132.729547][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6132.729547][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6132.729547][T12167]      netlink_rcv_skb+0x130/0x360
[ 6132.729547][T12167]      netlink_unicast+0x449/0x710
[ 6132.729547][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6132.729547][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6132.729547][T12167]      ___sys_sendmsg+0xee/0x170
[ 6132.729547][T12167]      __sys_sendmsg+0xcd/0x170
[ 6132.729547][T12167]      do_syscall_64+0xc6/0x1e0
[ 6132.729547][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6132.729547][T12167] 
[ 6132.731304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6132.731304][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6132.731304][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6132.731304][T12167]      ipv6_find_idev+0x102/0x170
[ 6132.731304][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6132.731304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6132.731304][T12167]      netlink_rcv_skb+0x130/0x360
[ 6132.731304][T12167]      netlink_unicast+0x449/0x710
[ 6132.731304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6132.731304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6132.731304][T12167]      ___sys_sendmsg+0xee/0x170
[ 6132.731304][T12167]      __sys_sendmsg+0xcd/0x170
[ 6132.731304][T12167]      do_syscall_64+0xc6/0x1e0
[ 6132.731304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6132.731304][T12167] 
[ 6142.974817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6142.975328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6142.975328][T12167]      netdev_get_by_index+0x5e/0x80
[ 6142.975328][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6142.975328][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6142.975328][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6142.975328][T12167]      ipv6_add_addr+0x411/0x2000
[ 6142.975328][T12167]      inet6_addr_add+0x30e/0xa40
[ 6142.975328][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6142.975328][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6142.975328][T12167]      netlink_rcv_skb+0x130/0x360
[ 6142.975328][T12167]      netlink_unicast+0x449/0x710
[ 6142.975328][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6142.975328][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6142.975328][T12167]      ___sys_sendmsg+0xee/0x170
[ 6142.975328][T12167]      __sys_sendmsg+0xcd/0x170
[ 6142.975328][T12167]      do_syscall_64+0xc6/0x1e0
[ 6142.975328][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6142.975328][T12167] 
[ 6142.977632][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6142.977632][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6142.977632][T12167]      ipv6_find_idev+0x102/0x170
[ 6142.977632][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6142.977632][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6142.977632][T12167]      netlink_rcv_skb+0x130/0x360
[ 6142.977632][T12167]      netlink_unicast+0x449/0x710
[ 6142.977632][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6142.977632][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6142.977632][T12167]      ___sys_sendmsg+0xee/0x170
[ 6142.977632][T12167]      __sys_sendmsg+0xcd/0x170
[ 6142.977632][T12167]      do_syscall_64+0xc6/0x1e0
[ 6142.977632][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6142.977632][T12167] 
[ 6142.979378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6142.979378][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6142.979378][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6142.979378][T12167]      ipv6_find_idev+0x102/0x170
[ 6142.979378][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6142.979378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6142.979378][T12167]      netlink_rcv_skb+0x130/0x360
[ 6142.979378][T12167]      netlink_unicast+0x449/0x710
[ 6142.979378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6142.979378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6142.979378][T12167]      ___sys_sendmsg+0xee/0x170
[ 6142.979378][T12167]      __sys_sendmsg+0xcd/0x170
[ 6142.979378][T12167]      do_syscall_64+0xc6/0x1e0
[ 6142.979378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6142.979378][T12167] 
[ 6153.222815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6153.223333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6153.223333][T12167]      netdev_get_by_index+0x5e/0x80
[ 6153.223333][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6153.223333][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6153.223333][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6153.223333][T12167]      ipv6_add_addr+0x411/0x2000
[ 6153.223333][T12167]      inet6_addr_add+0x30e/0xa40
[ 6153.223333][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6153.223333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6153.223333][T12167]      netlink_rcv_skb+0x130/0x360
[ 6153.223333][T12167]      netlink_unicast+0x449/0x710
[ 6153.223333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6153.223333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6153.223333][T12167]      ___sys_sendmsg+0xee/0x170
[ 6153.223333][T12167]      __sys_sendmsg+0xcd/0x170
[ 6153.223333][T12167]      do_syscall_64+0xc6/0x1e0
[ 6153.223333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6153.223333][T12167] 
[ 6153.225637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6153.225637][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6153.225637][T12167]      ipv6_find_idev+0x102/0x170
[ 6153.225637][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6153.225637][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6153.225637][T12167]      netlink_rcv_skb+0x130/0x360
[ 6153.225637][T12167]      netlink_unicast+0x449/0x710
[ 6153.225637][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6153.225637][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6153.225637][T12167]      ___sys_sendmsg+0xee/0x170
[ 6153.225637][T12167]      __sys_sendmsg+0xcd/0x170
[ 6153.225637][T12167]      do_syscall_64+0xc6/0x1e0
[ 6153.225637][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6153.225637][T12167] 
[ 6153.227400][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6153.227400][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6153.227400][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6153.227400][T12167]      ipv6_find_idev+0x102/0x170
[ 6153.227400][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6153.227400][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6153.227400][T12167]      netlink_rcv_skb+0x130/0x360
[ 6153.227400][T12167]      netlink_unicast+0x449/0x710
[ 6153.227400][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6153.227400][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6153.227400][T12167]      ___sys_sendmsg+0xee/0x170
[ 6153.227400][T12167]      __sys_sendmsg+0xcd/0x170
[ 6153.227400][T12167]      do_syscall_64+0xc6/0x1e0
[ 6153.227400][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6153.227400][T12167] 
[ 6163.470817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6163.471326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6163.471326][T12167]      netdev_get_by_index+0x5e/0x80
[ 6163.471326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6163.471326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6163.471326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6163.471326][T12167]      ipv6_add_addr+0x411/0x2000
[ 6163.471326][T12167]      inet6_addr_add+0x30e/0xa40
[ 6163.471326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6163.471326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6163.471326][T12167]      netlink_rcv_skb+0x130/0x360
[ 6163.471326][T12167]      netlink_unicast+0x449/0x710
[ 6163.471326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6163.471326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6163.471326][T12167]      ___sys_sendmsg+0xee/0x170
[ 6163.471326][T12167]      __sys_sendmsg+0xcd/0x170
[ 6163.471326][T12167]      do_syscall_64+0xc6/0x1e0
[ 6163.471326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6163.471326][T12167] 
[ 6163.473611][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6163.473611][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6163.473611][T12167]      ipv6_find_idev+0x102/0x170
[ 6163.473611][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6163.473611][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6163.473611][T12167]      netlink_rcv_skb+0x130/0x360
[ 6163.473611][T12167]      netlink_unicast+0x449/0x710
[ 6163.473611][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6163.473611][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6163.473611][T12167]      ___sys_sendmsg+0xee/0x170
[ 6163.473611][T12167]      __sys_sendmsg+0xcd/0x170
[ 6163.473611][T12167]      do_syscall_64+0xc6/0x1e0
[ 6163.473611][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6163.473611][T12167] 
[ 6163.475360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6163.475360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6163.475360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6163.475360][T12167]      ipv6_find_idev+0x102/0x170
[ 6163.475360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6163.475360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6163.475360][T12167]      netlink_rcv_skb+0x130/0x360
[ 6163.475360][T12167]      netlink_unicast+0x449/0x710
[ 6163.475360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6163.475360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6163.475360][T12167]      ___sys_sendmsg+0xee/0x170
[ 6163.475360][T12167]      __sys_sendmsg+0xcd/0x170
[ 6163.475360][T12167]      do_syscall_64+0xc6/0x1e0
[ 6163.475360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6163.475360][T12167] 
[ 6173.718801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6173.719308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6173.719308][T12167]      netdev_get_by_index+0x5e/0x80
[ 6173.719308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6173.719308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6173.719308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6173.719308][T12167]      ipv6_add_addr+0x411/0x2000
[ 6173.719308][T12167]      inet6_addr_add+0x30e/0xa40
[ 6173.719308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6173.719308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6173.719308][T12167]      netlink_rcv_skb+0x130/0x360
[ 6173.719308][T12167]      netlink_unicast+0x449/0x710
[ 6173.719308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6173.719308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6173.719308][T12167]      ___sys_sendmsg+0xee/0x170
[ 6173.719308][T12167]      __sys_sendmsg+0xcd/0x170
[ 6173.719308][T12167]      do_syscall_64+0xc6/0x1e0
[ 6173.719308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6173.719308][T12167] 
[ 6173.721585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6173.721585][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6173.721585][T12167]      ipv6_find_idev+0x102/0x170
[ 6173.721585][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6173.721585][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6173.721585][T12167]      netlink_rcv_skb+0x130/0x360
[ 6173.721585][T12167]      netlink_unicast+0x449/0x710
[ 6173.721585][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6173.721585][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6173.721585][T12167]      ___sys_sendmsg+0xee/0x170
[ 6173.721585][T12167]      __sys_sendmsg+0xcd/0x170
[ 6173.721585][T12167]      do_syscall_64+0xc6/0x1e0
[ 6173.721585][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6173.721585][T12167] 
[ 6173.723344][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6173.723344][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6173.723344][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6173.723344][T12167]      ipv6_find_idev+0x102/0x170
[ 6173.723344][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6173.723344][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6173.723344][T12167]      netlink_rcv_skb+0x130/0x360
[ 6173.723344][T12167]      netlink_unicast+0x449/0x710
[ 6173.723344][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6173.723344][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6173.723344][T12167]      ___sys_sendmsg+0xee/0x170
[ 6173.723344][T12167]      __sys_sendmsg+0xcd/0x170
[ 6173.723344][T12167]      do_syscall_64+0xc6/0x1e0
[ 6173.723344][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6173.723344][T12167] 
[ 6183.942804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6183.943389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6183.943389][T12167]      netdev_get_by_index+0x5e/0x80
[ 6183.943389][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6183.943389][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6183.943389][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6183.943389][T12167]      ipv6_add_addr+0x411/0x2000
[ 6183.943389][T12167]      inet6_addr_add+0x30e/0xa40
[ 6183.943389][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6183.943389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6183.943389][T12167]      netlink_rcv_skb+0x130/0x360
[ 6183.943389][T12167]      netlink_unicast+0x449/0x710
[ 6183.943389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6183.943389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6183.943389][T12167]      ___sys_sendmsg+0xee/0x170
[ 6183.943389][T12167]      __sys_sendmsg+0xcd/0x170
[ 6183.943389][T12167]      do_syscall_64+0xc6/0x1e0
[ 6183.943389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6183.943389][T12167] 
[ 6183.947096][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6183.947096][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6183.947096][T12167]      ipv6_find_idev+0x102/0x170
[ 6183.947096][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6183.947096][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6183.947096][T12167]      netlink_rcv_skb+0x130/0x360
[ 6183.947096][T12167]      netlink_unicast+0x449/0x710
[ 6183.947096][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6183.947096][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6183.947096][T12167]      ___sys_sendmsg+0xee/0x170
[ 6183.947096][T12167]      __sys_sendmsg+0xcd/0x170
[ 6183.947096][T12167]      do_syscall_64+0xc6/0x1e0
[ 6183.947096][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6183.947096][T12167] 
[ 6183.949941][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6183.949941][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6183.949941][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6183.949941][T12167]      ipv6_find_idev+0x102/0x170
[ 6183.949941][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6183.949941][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6183.949941][T12167]      netlink_rcv_skb+0x130/0x360
[ 6183.949941][T12167]      netlink_unicast+0x449/0x710
[ 6183.949941][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6183.949941][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6183.949941][T12167]      ___sys_sendmsg+0xee/0x170
[ 6183.949941][T12167]      __sys_sendmsg+0xcd/0x170
[ 6183.949941][T12167]      do_syscall_64+0xc6/0x1e0
[ 6183.949941][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6183.949941][T12167] 
[ 6193.966745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6193.967235][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6193.967235][T12167]      netdev_get_by_index+0x5e/0x80
[ 6193.967235][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6193.967235][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6193.967235][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6193.967235][T12167]      ipv6_add_addr+0x411/0x2000
[ 6193.967235][T12167]      inet6_addr_add+0x30e/0xa40
[ 6193.967235][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6193.967235][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6193.967235][T12167]      netlink_rcv_skb+0x130/0x360
[ 6193.967235][T12167]      netlink_unicast+0x449/0x710
[ 6193.967235][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6193.967235][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6193.967235][T12167]      ___sys_sendmsg+0xee/0x170
[ 6193.967235][T12167]      __sys_sendmsg+0xcd/0x170
[ 6193.967235][T12167]      do_syscall_64+0xc6/0x1e0
[ 6193.967235][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6193.967235][T12167] 
[ 6193.969524][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6193.969524][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6193.969524][T12167]      ipv6_find_idev+0x102/0x170
[ 6193.969524][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6193.969524][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6193.969524][T12167]      netlink_rcv_skb+0x130/0x360
[ 6193.969524][T12167]      netlink_unicast+0x449/0x710
[ 6193.969524][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6193.969524][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6193.969524][T12167]      ___sys_sendmsg+0xee/0x170
[ 6193.969524][T12167]      __sys_sendmsg+0xcd/0x170
[ 6193.969524][T12167]      do_syscall_64+0xc6/0x1e0
[ 6193.969524][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6193.969524][T12167] 
[ 6193.971255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6193.971255][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6193.971255][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6193.971255][T12167]      ipv6_find_idev+0x102/0x170
[ 6193.971255][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6193.971255][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6193.971255][T12167]      netlink_rcv_skb+0x130/0x360
[ 6193.971255][T12167]      netlink_unicast+0x449/0x710
[ 6193.971255][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6193.971255][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6193.971255][T12167]      ___sys_sendmsg+0xee/0x170
[ 6193.971255][T12167]      __sys_sendmsg+0xcd/0x170
[ 6193.971255][T12167]      do_syscall_64+0xc6/0x1e0
[ 6193.971255][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6193.971255][T12167] 
[ 6204.222806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6204.223311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6204.223311][T12167]      netdev_get_by_index+0x5e/0x80
[ 6204.223311][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6204.223311][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6204.223311][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6204.223311][T12167]      ipv6_add_addr+0x411/0x2000
[ 6204.223311][T12167]      inet6_addr_add+0x30e/0xa40
[ 6204.223311][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6204.223311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6204.223311][T12167]      netlink_rcv_skb+0x130/0x360
[ 6204.223311][T12167]      netlink_unicast+0x449/0x710
[ 6204.223311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6204.223311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6204.223311][T12167]      ___sys_sendmsg+0xee/0x170
[ 6204.223311][T12167]      __sys_sendmsg+0xcd/0x170
[ 6204.223311][T12167]      do_syscall_64+0xc6/0x1e0
[ 6204.223311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6204.223311][T12167] 
[ 6204.225582][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6204.225582][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6204.225582][T12167]      ipv6_find_idev+0x102/0x170
[ 6204.225582][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6204.225582][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6204.225582][T12167]      netlink_rcv_skb+0x130/0x360
[ 6204.225582][T12167]      netlink_unicast+0x449/0x710
[ 6204.225582][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6204.225582][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6204.225582][T12167]      ___sys_sendmsg+0xee/0x170
[ 6204.225582][T12167]      __sys_sendmsg+0xcd/0x170
[ 6204.225582][T12167]      do_syscall_64+0xc6/0x1e0
[ 6204.225582][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6204.225582][T12167] 
[ 6204.227328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6204.227328][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6204.227328][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6204.227328][T12167]      ipv6_find_idev+0x102/0x170
[ 6204.227328][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6204.227328][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6204.227328][T12167]      netlink_rcv_skb+0x130/0x360
[ 6204.227328][T12167]      netlink_unicast+0x449/0x710
[ 6204.227328][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6204.227328][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6204.227328][T12167]      ___sys_sendmsg+0xee/0x170
[ 6204.227328][T12167]      __sys_sendmsg+0xcd/0x170
[ 6204.227328][T12167]      do_syscall_64+0xc6/0x1e0
[ 6204.227328][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6204.227328][T12167] 
[ 6214.478816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6214.479312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6214.479312][T12167]      netdev_get_by_index+0x5e/0x80
[ 6214.479312][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6214.479312][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6214.479312][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6214.479312][T12167]      ipv6_add_addr+0x411/0x2000
[ 6214.479312][T12167]      inet6_addr_add+0x30e/0xa40
[ 6214.479312][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6214.479312][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6214.479312][T12167]      netlink_rcv_skb+0x130/0x360
[ 6214.479312][T12167]      netlink_unicast+0x449/0x710
[ 6214.479312][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6214.479312][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6214.479312][T12167]      ___sys_sendmsg+0xee/0x170
[ 6214.479312][T12167]      __sys_sendmsg+0xcd/0x170
[ 6214.479312][T12167]      do_syscall_64+0xc6/0x1e0
[ 6214.479312][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6214.479312][T12167] 
[ 6214.481591][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6214.481591][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6214.481591][T12167]      ipv6_find_idev+0x102/0x170
[ 6214.481591][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6214.481591][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6214.481591][T12167]      netlink_rcv_skb+0x130/0x360
[ 6214.481591][T12167]      netlink_unicast+0x449/0x710
[ 6214.481591][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6214.481591][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6214.481591][T12167]      ___sys_sendmsg+0xee/0x170
[ 6214.481591][T12167]      __sys_sendmsg+0xcd/0x170
[ 6214.481591][T12167]      do_syscall_64+0xc6/0x1e0
[ 6214.481591][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6214.481591][T12167] 
[ 6214.483330][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6214.483330][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6214.483330][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6214.483330][T12167]      ipv6_find_idev+0x102/0x170
[ 6214.483330][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6214.483330][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6214.483330][T12167]      netlink_rcv_skb+0x130/0x360
[ 6214.483330][T12167]      netlink_unicast+0x449/0x710
[ 6214.483330][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6214.483330][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6214.483330][T12167]      ___sys_sendmsg+0xee/0x170
[ 6214.483330][T12167]      __sys_sendmsg+0xcd/0x170
[ 6214.483330][T12167]      do_syscall_64+0xc6/0x1e0
[ 6214.483330][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6214.483330][T12167] 
[ 6224.734811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6224.735379][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6224.735379][T12167]      netdev_get_by_index+0x5e/0x80
[ 6224.735379][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6224.735379][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6224.735379][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6224.735379][T12167]      ipv6_add_addr+0x411/0x2000
[ 6224.735379][T12167]      inet6_addr_add+0x30e/0xa40
[ 6224.735379][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6224.735379][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6224.735379][T12167]      netlink_rcv_skb+0x130/0x360
[ 6224.735379][T12167]      netlink_unicast+0x449/0x710
[ 6224.735379][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6224.735379][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6224.735379][T12167]      ___sys_sendmsg+0xee/0x170
[ 6224.735379][T12167]      __sys_sendmsg+0xcd/0x170
[ 6224.735379][T12167]      do_syscall_64+0xc6/0x1e0
[ 6224.735379][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6224.735379][T12167] 
[ 6224.739113][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6224.739113][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6224.739113][T12167]      ipv6_find_idev+0x102/0x170
[ 6224.739113][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6224.739113][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6224.739113][T12167]      netlink_rcv_skb+0x130/0x360
[ 6224.739113][T12167]      netlink_unicast+0x449/0x710
[ 6224.739113][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6224.739113][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6224.739113][T12167]      ___sys_sendmsg+0xee/0x170
[ 6224.739113][T12167]      __sys_sendmsg+0xcd/0x170
[ 6224.739113][T12167]      do_syscall_64+0xc6/0x1e0
[ 6224.739113][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6224.739113][T12167] 
[ 6224.741962][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6224.741962][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6224.741962][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6224.741962][T12167]      ipv6_find_idev+0x102/0x170
[ 6224.741962][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6224.741962][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6224.741962][T12167]      netlink_rcv_skb+0x130/0x360
[ 6224.741962][T12167]      netlink_unicast+0x449/0x710
[ 6224.741962][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6224.741962][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6224.741962][T12167]      ___sys_sendmsg+0xee/0x170
[ 6224.741962][T12167]      __sys_sendmsg+0xcd/0x170
[ 6224.741962][T12167]      do_syscall_64+0xc6/0x1e0
[ 6224.741962][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6224.741962][T12167] 
[ 6234.990797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6234.991279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6234.991279][T12167]      netdev_get_by_index+0x5e/0x80
[ 6234.991279][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6234.991279][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6234.991279][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6234.991279][T12167]      ipv6_add_addr+0x411/0x2000
[ 6234.991279][T12167]      inet6_addr_add+0x30e/0xa40
[ 6234.991279][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6234.991279][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6234.991279][T12167]      netlink_rcv_skb+0x130/0x360
[ 6234.991279][T12167]      netlink_unicast+0x449/0x710
[ 6234.991279][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6234.991279][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6234.991279][T12167]      ___sys_sendmsg+0xee/0x170
[ 6234.991279][T12167]      __sys_sendmsg+0xcd/0x170
[ 6234.991279][T12167]      do_syscall_64+0xc6/0x1e0
[ 6234.991279][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6234.991279][T12167] 
[ 6234.993578][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6234.993578][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6234.993578][T12167]      ipv6_find_idev+0x102/0x170
[ 6234.993578][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6234.993578][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6234.993578][T12167]      netlink_rcv_skb+0x130/0x360
[ 6234.993578][T12167]      netlink_unicast+0x449/0x710
[ 6234.993578][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6234.993578][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6234.993578][T12167]      ___sys_sendmsg+0xee/0x170
[ 6234.993578][T12167]      __sys_sendmsg+0xcd/0x170
[ 6234.993578][T12167]      do_syscall_64+0xc6/0x1e0
[ 6234.993578][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6234.993578][T12167] 
[ 6234.995318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6234.995318][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6234.995318][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6234.995318][T12167]      ipv6_find_idev+0x102/0x170
[ 6234.995318][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6234.995318][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6234.995318][T12167]      netlink_rcv_skb+0x130/0x360
[ 6234.995318][T12167]      netlink_unicast+0x449/0x710
[ 6234.995318][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6234.995318][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6234.995318][T12167]      ___sys_sendmsg+0xee/0x170
[ 6234.995318][T12167]      __sys_sendmsg+0xcd/0x170
[ 6234.995318][T12167]      do_syscall_64+0xc6/0x1e0
[ 6234.995318][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6234.995318][T12167] 
[ 6245.246814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6245.247287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6245.247287][T12167]      netdev_get_by_index+0x5e/0x80
[ 6245.247287][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6245.247287][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6245.247287][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6245.247287][T12167]      ipv6_add_addr+0x411/0x2000
[ 6245.247287][T12167]      inet6_addr_add+0x30e/0xa40
[ 6245.247287][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.247287][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.247287][T12167]      netlink_rcv_skb+0x130/0x360
[ 6245.247287][T12167]      netlink_unicast+0x449/0x710
[ 6245.247287][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6245.247287][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.247287][T12167]      ___sys_sendmsg+0xee/0x170
[ 6245.247287][T12167]      __sys_sendmsg+0xcd/0x170
[ 6245.247287][T12167]      do_syscall_64+0xc6/0x1e0
[ 6245.247287][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.247287][T12167] 
[ 6245.249558][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6245.249558][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6245.249558][T12167]      ipv6_find_idev+0x102/0x170
[ 6245.249558][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.249558][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.249558][T12167]      netlink_rcv_skb+0x130/0x360
[ 6245.249558][T12167]      netlink_unicast+0x449/0x710
[ 6245.249558][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6245.249558][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.249558][T12167]      ___sys_sendmsg+0xee/0x170
[ 6245.249558][T12167]      __sys_sendmsg+0xcd/0x170
[ 6245.249558][T12167]      do_syscall_64+0xc6/0x1e0
[ 6245.249558][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.249558][T12167] 
[ 6245.251298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6245.251298][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6245.251298][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6245.251298][T12167]      ipv6_find_idev+0x102/0x170
[ 6245.251298][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.251298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.251298][T12167]      netlink_rcv_skb+0x130/0x360
[ 6245.251298][T12167]      netlink_unicast+0x449/0x710
[ 6245.251298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6245.251298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.251298][T12167]      ___sys_sendmsg+0xee/0x170
[ 6245.251298][T12167]      __sys_sendmsg+0xcd/0x170
[ 6245.251298][T12167]      do_syscall_64+0xc6/0x1e0
[ 6245.251298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.251298][T12167] 
[ 6255.502807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6255.503257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6255.503257][T12167]      netdev_get_by_index+0x5e/0x80
[ 6255.503257][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6255.503257][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6255.503257][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6255.503257][T12167]      ipv6_add_addr+0x411/0x2000
[ 6255.503257][T12167]      inet6_addr_add+0x30e/0xa40
[ 6255.503257][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6255.503257][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6255.503257][T12167]      netlink_rcv_skb+0x130/0x360
[ 6255.503257][T12167]      netlink_unicast+0x449/0x710
[ 6255.503257][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6255.503257][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6255.503257][T12167]      ___sys_sendmsg+0xee/0x170
[ 6255.503257][T12167]      __sys_sendmsg+0xcd/0x170
[ 6255.503257][T12167]      do_syscall_64+0xc6/0x1e0
[ 6255.503257][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6255.503257][T12167] 
[ 6255.505545][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6255.505545][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6255.505545][T12167]      ipv6_find_idev+0x102/0x170
[ 6255.505545][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6255.505545][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6255.505545][T12167]      netlink_rcv_skb+0x130/0x360
[ 6255.505545][T12167]      netlink_unicast+0x449/0x710
[ 6255.505545][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6255.505545][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6255.505545][T12167]      ___sys_sendmsg+0xee/0x170
[ 6255.505545][T12167]      __sys_sendmsg+0xcd/0x170
[ 6255.505545][T12167]      do_syscall_64+0xc6/0x1e0
[ 6255.505545][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6255.505545][T12167] 
[ 6255.508194][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6255.508194][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6255.508194][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6255.508194][T12167]      ipv6_find_idev+0x102/0x170
[ 6255.508194][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6255.508194][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6255.508194][T12167]      netlink_rcv_skb+0x130/0x360
[ 6255.508194][T12167]      netlink_unicast+0x449/0x710
[ 6255.508194][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6255.508194][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6255.508194][T12167]      ___sys_sendmsg+0xee/0x170
[ 6255.508194][T12167]      __sys_sendmsg+0xcd/0x170
[ 6255.508194][T12167]      do_syscall_64+0xc6/0x1e0
[ 6255.508194][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6255.508194][T12167] 
[ 6265.758804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6265.759231][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6265.759231][T12167]      netdev_get_by_index+0x5e/0x80
[ 6265.759231][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6265.759231][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6265.759231][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6265.759231][T12167]      ipv6_add_addr+0x411/0x2000
[ 6265.759231][T12167]      inet6_addr_add+0x30e/0xa40
[ 6265.759231][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6265.759231][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6265.759231][T12167]      netlink_rcv_skb+0x130/0x360
[ 6265.759231][T12167]      netlink_unicast+0x449/0x710
[ 6265.759231][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6265.759231][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6265.759231][T12167]      ___sys_sendmsg+0xee/0x170
[ 6265.759231][T12167]      __sys_sendmsg+0xcd/0x170
[ 6265.759231][T12167]      do_syscall_64+0xc6/0x1e0
[ 6265.759231][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6265.759231][T12167] 
[ 6265.761515][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6265.761515][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6265.761515][T12167]      ipv6_find_idev+0x102/0x170
[ 6265.761515][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6265.761515][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6265.761515][T12167]      netlink_rcv_skb+0x130/0x360
[ 6265.761515][T12167]      netlink_unicast+0x449/0x710
[ 6265.761515][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6265.761515][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6265.761515][T12167]      ___sys_sendmsg+0xee/0x170
[ 6265.761515][T12167]      __sys_sendmsg+0xcd/0x170
[ 6265.761515][T12167]      do_syscall_64+0xc6/0x1e0
[ 6265.761515][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6265.761515][T12167] 
[ 6265.763256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6265.763256][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6265.763256][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6265.763256][T12167]      ipv6_find_idev+0x102/0x170
[ 6265.763256][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6265.763256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6265.763256][T12167]      netlink_rcv_skb+0x130/0x360
[ 6265.763256][T12167]      netlink_unicast+0x449/0x710
[ 6265.763256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6265.763256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6265.763256][T12167]      ___sys_sendmsg+0xee/0x170
[ 6265.763256][T12167]      __sys_sendmsg+0xcd/0x170
[ 6265.763256][T12167]      do_syscall_64+0xc6/0x1e0
[ 6265.763256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6265.763256][T12167] 
[ 6275.846745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6275.847311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6275.847311][T12167]      netdev_get_by_index+0x5e/0x80
[ 6275.847311][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6275.847311][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6275.847311][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6275.847311][T12167]      ipv6_add_addr+0x411/0x2000
[ 6275.847311][T12167]      inet6_addr_add+0x30e/0xa40
[ 6275.847311][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6275.847311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6275.847311][T12167]      netlink_rcv_skb+0x130/0x360
[ 6275.847311][T12167]      netlink_unicast+0x449/0x710
[ 6275.847311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6275.847311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6275.847311][T12167]      ___sys_sendmsg+0xee/0x170
[ 6275.847311][T12167]      __sys_sendmsg+0xcd/0x170
[ 6275.847311][T12167]      do_syscall_64+0xc6/0x1e0
[ 6275.847311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6275.847311][T12167] 
[ 6275.851011][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6275.851011][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6275.851011][T12167]      ipv6_find_idev+0x102/0x170
[ 6275.851011][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6275.851011][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6275.851011][T12167]      netlink_rcv_skb+0x130/0x360
[ 6275.851011][T12167]      netlink_unicast+0x449/0x710
[ 6275.851011][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6275.851011][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6275.851011][T12167]      ___sys_sendmsg+0xee/0x170
[ 6275.851011][T12167]      __sys_sendmsg+0xcd/0x170
[ 6275.851011][T12167]      do_syscall_64+0xc6/0x1e0
[ 6275.851011][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6275.851011][T12167] 
[ 6275.853892][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6275.853892][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6275.853892][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6275.853892][T12167]      ipv6_find_idev+0x102/0x170
[ 6275.853892][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6275.853892][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6275.853892][T12167]      netlink_rcv_skb+0x130/0x360
[ 6275.853892][T12167]      netlink_unicast+0x449/0x710
[ 6275.853892][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6275.853892][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6275.853892][T12167]      ___sys_sendmsg+0xee/0x170
[ 6275.853892][T12167]      __sys_sendmsg+0xcd/0x170
[ 6275.853892][T12167]      do_syscall_64+0xc6/0x1e0
[ 6275.853892][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6275.853892][T12167] 
[ 6286.006805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6286.007337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6286.007337][T12167]      netdev_get_by_index+0x5e/0x80
[ 6286.007337][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6286.007337][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6286.007337][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6286.007337][T12167]      ipv6_add_addr+0x411/0x2000
[ 6286.007337][T12167]      inet6_addr_add+0x30e/0xa40
[ 6286.007337][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.007337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.007337][T12167]      netlink_rcv_skb+0x130/0x360
[ 6286.007337][T12167]      netlink_unicast+0x449/0x710
[ 6286.007337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6286.007337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.007337][T12167]      ___sys_sendmsg+0xee/0x170
[ 6286.007337][T12167]      __sys_sendmsg+0xcd/0x170
[ 6286.007337][T12167]      do_syscall_64+0xc6/0x1e0
[ 6286.007337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.007337][T12167] 
[ 6286.011117][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6286.011117][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6286.011117][T12167]      ipv6_find_idev+0x102/0x170
[ 6286.011117][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.011117][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.011117][T12167]      netlink_rcv_skb+0x130/0x360
[ 6286.011117][T12167]      netlink_unicast+0x449/0x710
[ 6286.011117][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6286.011117][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.011117][T12167]      ___sys_sendmsg+0xee/0x170
[ 6286.011117][T12167]      __sys_sendmsg+0xcd/0x170
[ 6286.011117][T12167]      do_syscall_64+0xc6/0x1e0
[ 6286.011117][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.011117][T12167] 
[ 6286.013972][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6286.013972][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6286.013972][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6286.013972][T12167]      ipv6_find_idev+0x102/0x170
[ 6286.013972][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.013972][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.013972][T12167]      netlink_rcv_skb+0x130/0x360
[ 6286.013972][T12167]      netlink_unicast+0x449/0x710
[ 6286.013972][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6286.013972][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.013972][T12167]      ___sys_sendmsg+0xee/0x170
[ 6286.013972][T12167]      __sys_sendmsg+0xcd/0x170
[ 6286.013972][T12167]      do_syscall_64+0xc6/0x1e0
[ 6286.013972][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.013972][T12167] 
[ 6296.254802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6296.255330][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6296.255330][T12167]      netdev_get_by_index+0x5e/0x80
[ 6296.255330][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6296.255330][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6296.255330][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6296.255330][T12167]      ipv6_add_addr+0x411/0x2000
[ 6296.255330][T12167]      inet6_addr_add+0x30e/0xa40
[ 6296.255330][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.255330][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.255330][T12167]      netlink_rcv_skb+0x130/0x360
[ 6296.255330][T12167]      netlink_unicast+0x449/0x710
[ 6296.255330][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6296.255330][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.255330][T12167]      ___sys_sendmsg+0xee/0x170
[ 6296.255330][T12167]      __sys_sendmsg+0xcd/0x170
[ 6296.255330][T12167]      do_syscall_64+0xc6/0x1e0
[ 6296.255330][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.255330][T12167] 
[ 6296.259046][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6296.259046][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6296.259046][T12167]      ipv6_find_idev+0x102/0x170
[ 6296.259046][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.259046][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.259046][T12167]      netlink_rcv_skb+0x130/0x360
[ 6296.259046][T12167]      netlink_unicast+0x449/0x710
[ 6296.259046][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6296.259046][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.259046][T12167]      ___sys_sendmsg+0xee/0x170
[ 6296.259046][T12167]      __sys_sendmsg+0xcd/0x170
[ 6296.259046][T12167]      do_syscall_64+0xc6/0x1e0
[ 6296.259046][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.259046][T12167] 
[ 6296.261905][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6296.261905][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6296.261905][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6296.261905][T12167]      ipv6_find_idev+0x102/0x170
[ 6296.261905][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.261905][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.261905][T12167]      netlink_rcv_skb+0x130/0x360
[ 6296.261905][T12167]      netlink_unicast+0x449/0x710
[ 6296.261905][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6296.261905][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.261905][T12167]      ___sys_sendmsg+0xee/0x170
[ 6296.261905][T12167]      __sys_sendmsg+0xcd/0x170
[ 6296.261905][T12167]      do_syscall_64+0xc6/0x1e0
[ 6296.261905][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.261905][T12167] 
[ 6306.286807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6306.287327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6306.287327][T12167]      netdev_get_by_index+0x5e/0x80
[ 6306.287327][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6306.287327][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6306.287327][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6306.287327][T12167]      ipv6_add_addr+0x411/0x2000
[ 6306.287327][T12167]      inet6_addr_add+0x30e/0xa40
[ 6306.287327][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6306.287327][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6306.287327][T12167]      netlink_rcv_skb+0x130/0x360
[ 6306.287327][T12167]      netlink_unicast+0x449/0x710
[ 6306.287327][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6306.287327][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6306.287327][T12167]      ___sys_sendmsg+0xee/0x170
[ 6306.287327][T12167]      __sys_sendmsg+0xcd/0x170
[ 6306.287327][T12167]      do_syscall_64+0xc6/0x1e0
[ 6306.287327][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6306.287327][T12167] 
[ 6306.291047][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6306.291047][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6306.291047][T12167]      ipv6_find_idev+0x102/0x170
[ 6306.291047][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6306.291047][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6306.291047][T12167]      netlink_rcv_skb+0x130/0x360
[ 6306.291047][T12167]      netlink_unicast+0x449/0x710
[ 6306.291047][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6306.291047][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6306.291047][T12167]      ___sys_sendmsg+0xee/0x170
[ 6306.291047][T12167]      __sys_sendmsg+0xcd/0x170
[ 6306.291047][T12167]      do_syscall_64+0xc6/0x1e0
[ 6306.291047][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6306.291047][T12167] 
[ 6306.293906][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6306.293906][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6306.293906][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6306.293906][T12167]      ipv6_find_idev+0x102/0x170
[ 6306.293906][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6306.293906][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6306.293906][T12167]      netlink_rcv_skb+0x130/0x360
[ 6306.293906][T12167]      netlink_unicast+0x449/0x710
[ 6306.293906][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6306.293906][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6306.293906][T12167]      ___sys_sendmsg+0xee/0x170
[ 6306.293906][T12167]      __sys_sendmsg+0xcd/0x170
[ 6306.293906][T12167]      do_syscall_64+0xc6/0x1e0
[ 6306.293906][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6306.293906][T12167] 
[ 6316.302888][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6316.303401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6316.303401][T12167]      netdev_get_by_index+0x5e/0x80
[ 6316.303401][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6316.303401][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6316.303401][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6316.303401][T12167]      ipv6_add_addr+0x411/0x2000
[ 6316.303401][T12167]      inet6_addr_add+0x30e/0xa40
[ 6316.303401][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6316.303401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6316.303401][T12167]      netlink_rcv_skb+0x130/0x360
[ 6316.303401][T12167]      netlink_unicast+0x449/0x710
[ 6316.303401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6316.303401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6316.303401][T12167]      ___sys_sendmsg+0xee/0x170
[ 6316.303401][T12167]      __sys_sendmsg+0xcd/0x170
[ 6316.303401][T12167]      do_syscall_64+0xc6/0x1e0
[ 6316.303401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6316.303401][T12167] 
[ 6316.307679][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6316.307679][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6316.307679][T12167]      ipv6_find_idev+0x102/0x170
[ 6316.307679][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6316.307679][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6316.307679][T12167]      netlink_rcv_skb+0x130/0x360
[ 6316.307679][T12167]      netlink_unicast+0x449/0x710
[ 6316.307679][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6316.307679][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6316.307679][T12167]      ___sys_sendmsg+0xee/0x170
[ 6316.307679][T12167]      __sys_sendmsg+0xcd/0x170
[ 6316.307679][T12167]      do_syscall_64+0xc6/0x1e0
[ 6316.307679][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6316.307679][T12167] 
[ 6316.310525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6316.310525][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6316.310525][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6316.310525][T12167]      ipv6_find_idev+0x102/0x170
[ 6316.310525][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6316.310525][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6316.310525][T12167]      netlink_rcv_skb+0x130/0x360
[ 6316.310525][T12167]      netlink_unicast+0x449/0x710
[ 6316.310525][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6316.310525][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6316.310525][T12167]      ___sys_sendmsg+0xee/0x170
[ 6316.310525][T12167]      __sys_sendmsg+0xcd/0x170
[ 6316.310525][T12167]      do_syscall_64+0xc6/0x1e0
[ 6316.310525][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6316.310525][T12167] 
[ 6326.454836][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6326.455274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6326.455274][T12167]      netdev_get_by_index+0x5e/0x80
[ 6326.455274][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6326.455274][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6326.455274][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6326.455274][T12167]      ipv6_add_addr+0x411/0x2000
[ 6326.455274][T12167]      inet6_addr_add+0x30e/0xa40
[ 6326.455274][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6326.455274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6326.455274][T12167]      netlink_rcv_skb+0x130/0x360
[ 6326.455274][T12167]      netlink_unicast+0x449/0x710
[ 6326.455274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6326.455274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6326.455274][T12167]      ___sys_sendmsg+0xee/0x170
[ 6326.455274][T12167]      __sys_sendmsg+0xcd/0x170
[ 6326.455274][T12167]      do_syscall_64+0xc6/0x1e0
[ 6326.455274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6326.455274][T12167] 
[ 6326.457593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6326.457593][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6326.457593][T12167]      ipv6_find_idev+0x102/0x170
[ 6326.457593][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6326.457593][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6326.457593][T12167]      netlink_rcv_skb+0x130/0x360
[ 6326.457593][T12167]      netlink_unicast+0x449/0x710
[ 6326.457593][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6326.457593][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6326.457593][T12167]      ___sys_sendmsg+0xee/0x170
[ 6326.457593][T12167]      __sys_sendmsg+0xcd/0x170
[ 6326.457593][T12167]      do_syscall_64+0xc6/0x1e0
[ 6326.457593][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6326.457593][T12167] 
[ 6326.459369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6326.459369][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6326.459369][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6326.459369][T12167]      ipv6_find_idev+0x102/0x170
[ 6326.459369][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6326.459369][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6326.459369][T12167]      netlink_rcv_skb+0x130/0x360
[ 6326.459369][T12167]      netlink_unicast+0x449/0x710
[ 6326.459369][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6326.459369][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6326.459369][T12167]      ___sys_sendmsg+0xee/0x170
[ 6326.459369][T12167]      __sys_sendmsg+0xcd/0x170
[ 6326.459369][T12167]      do_syscall_64+0xc6/0x1e0
[ 6326.459369][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6326.459369][T12167] 
[ 6336.606823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6336.607343][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6336.607343][T12167]      netdev_get_by_index+0x5e/0x80
[ 6336.607343][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6336.607343][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6336.607343][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6336.607343][T12167]      ipv6_add_addr+0x411/0x2000
[ 6336.607343][T12167]      inet6_addr_add+0x30e/0xa40
[ 6336.607343][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6336.607343][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6336.607343][T12167]      netlink_rcv_skb+0x130/0x360
[ 6336.607343][T12167]      netlink_unicast+0x449/0x710
[ 6336.607343][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6336.607343][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6336.607343][T12167]      ___sys_sendmsg+0xee/0x170
[ 6336.607343][T12167]      __sys_sendmsg+0xcd/0x170
[ 6336.607343][T12167]      do_syscall_64+0xc6/0x1e0
[ 6336.607343][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6336.607343][T12167] 
[ 6336.609871][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6336.609871][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6336.609871][T12167]      ipv6_find_idev+0x102/0x170
[ 6336.609871][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6336.609871][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6336.609871][T12167]      netlink_rcv_skb+0x130/0x360
[ 6336.609871][T12167]      netlink_unicast+0x449/0x710
[ 6336.609871][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6336.609871][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6336.609871][T12167]      ___sys_sendmsg+0xee/0x170
[ 6336.609871][T12167]      __sys_sendmsg+0xcd/0x170
[ 6336.609871][T12167]      do_syscall_64+0xc6/0x1e0
[ 6336.609871][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6336.609871][T12167] 
[ 6336.611809][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6336.611809][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6336.611809][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6336.611809][T12167]      ipv6_find_idev+0x102/0x170
[ 6336.611809][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6336.611809][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6336.611809][T12167]      netlink_rcv_skb+0x130/0x360
[ 6336.611809][T12167]      netlink_unicast+0x449/0x710
[ 6336.611809][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6336.611809][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6336.611809][T12167]      ___sys_sendmsg+0xee/0x170
[ 6336.611809][T12167]      __sys_sendmsg+0xcd/0x170
[ 6336.611809][T12167]      do_syscall_64+0xc6/0x1e0
[ 6336.611809][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6336.611809][T12167] 
[ 6346.798804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6346.799314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6346.799314][T12167]      netdev_get_by_index+0x5e/0x80
[ 6346.799314][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6346.799314][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6346.799314][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6346.799314][T12167]      ipv6_add_addr+0x411/0x2000
[ 6346.799314][T12167]      inet6_addr_add+0x30e/0xa40
[ 6346.799314][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6346.799314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6346.799314][T12167]      netlink_rcv_skb+0x130/0x360
[ 6346.799314][T12167]      netlink_unicast+0x449/0x710
[ 6346.799314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6346.799314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6346.799314][T12167]      ___sys_sendmsg+0xee/0x170
[ 6346.799314][T12167]      __sys_sendmsg+0xcd/0x170
[ 6346.799314][T12167]      do_syscall_64+0xc6/0x1e0
[ 6346.799314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6346.799314][T12167] 
[ 6346.801572][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6346.801572][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6346.801572][T12167]      ipv6_find_idev+0x102/0x170
[ 6346.801572][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6346.801572][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6346.801572][T12167]      netlink_rcv_skb+0x130/0x360
[ 6346.801572][T12167]      netlink_unicast+0x449/0x710
[ 6346.801572][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6346.801572][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6346.801572][T12167]      ___sys_sendmsg+0xee/0x170
[ 6346.801572][T12167]      __sys_sendmsg+0xcd/0x170
[ 6346.801572][T12167]      do_syscall_64+0xc6/0x1e0
[ 6346.801572][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6346.801572][T12167] 
[ 6346.803315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6346.803315][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6346.803315][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6346.803315][T12167]      ipv6_find_idev+0x102/0x170
[ 6346.803315][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6346.803315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6346.803315][T12167]      netlink_rcv_skb+0x130/0x360
[ 6346.803315][T12167]      netlink_unicast+0x449/0x710
[ 6346.803315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6346.803315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6346.803315][T12167]      ___sys_sendmsg+0xee/0x170
[ 6346.803315][T12167]      __sys_sendmsg+0xcd/0x170
[ 6346.803315][T12167]      do_syscall_64+0xc6/0x1e0
[ 6346.803315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6346.803315][T12167] 
[ 6357.046819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6357.047269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6357.047269][T12167]      netdev_get_by_index+0x5e/0x80
[ 6357.047269][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6357.047269][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6357.047269][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6357.047269][T12167]      ipv6_add_addr+0x411/0x2000
[ 6357.047269][T12167]      inet6_addr_add+0x30e/0xa40
[ 6357.047269][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6357.047269][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6357.047269][T12167]      netlink_rcv_skb+0x130/0x360
[ 6357.047269][T12167]      netlink_unicast+0x449/0x710
[ 6357.047269][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6357.047269][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6357.047269][T12167]      ___sys_sendmsg+0xee/0x170
[ 6357.047269][T12167]      __sys_sendmsg+0xcd/0x170
[ 6357.047269][T12167]      do_syscall_64+0xc6/0x1e0
[ 6357.047269][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6357.047269][T12167] 
[ 6357.049537][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6357.049537][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6357.049537][T12167]      ipv6_find_idev+0x102/0x170
[ 6357.049537][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6357.049537][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6357.049537][T12167]      netlink_rcv_skb+0x130/0x360
[ 6357.049537][T12167]      netlink_unicast+0x449/0x710
[ 6357.049537][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6357.049537][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6357.049537][T12167]      ___sys_sendmsg+0xee/0x170
[ 6357.049537][T12167]      __sys_sendmsg+0xcd/0x170
[ 6357.049537][T12167]      do_syscall_64+0xc6/0x1e0
[ 6357.049537][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6357.049537][T12167] 
[ 6357.051276][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6357.051276][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6357.051276][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6357.051276][T12167]      ipv6_find_idev+0x102/0x170
[ 6357.051276][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6357.051276][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6357.051276][T12167]      netlink_rcv_skb+0x130/0x360
[ 6357.051276][T12167]      netlink_unicast+0x449/0x710
[ 6357.051276][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6357.051276][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6357.051276][T12167]      ___sys_sendmsg+0xee/0x170
[ 6357.051276][T12167]      __sys_sendmsg+0xcd/0x170
[ 6357.051276][T12167]      do_syscall_64+0xc6/0x1e0
[ 6357.051276][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6357.051276][T12167] 
[ 6367.294813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6367.295305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6367.295305][T12167]      netdev_get_by_index+0x5e/0x80
[ 6367.295305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6367.295305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6367.295305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6367.295305][T12167]      ipv6_add_addr+0x411/0x2000
[ 6367.295305][T12167]      inet6_addr_add+0x30e/0xa40
[ 6367.295305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6367.295305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6367.295305][T12167]      netlink_rcv_skb+0x130/0x360
[ 6367.295305][T12167]      netlink_unicast+0x449/0x710
[ 6367.295305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6367.295305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6367.295305][T12167]      ___sys_sendmsg+0xee/0x170
[ 6367.295305][T12167]      __sys_sendmsg+0xcd/0x170
[ 6367.295305][T12167]      do_syscall_64+0xc6/0x1e0
[ 6367.295305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6367.295305][T12167] 
[ 6367.297597][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6367.297597][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6367.297597][T12167]      ipv6_find_idev+0x102/0x170
[ 6367.297597][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6367.297597][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6367.297597][T12167]      netlink_rcv_skb+0x130/0x360
[ 6367.297597][T12167]      netlink_unicast+0x449/0x710
[ 6367.297597][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6367.297597][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6367.297597][T12167]      ___sys_sendmsg+0xee/0x170
[ 6367.297597][T12167]      __sys_sendmsg+0xcd/0x170
[ 6367.297597][T12167]      do_syscall_64+0xc6/0x1e0
[ 6367.297597][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6367.297597][T12167] 
[ 6367.299337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6367.299337][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6367.299337][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6367.299337][T12167]      ipv6_find_idev+0x102/0x170
[ 6367.299337][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6367.299337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6367.299337][T12167]      netlink_rcv_skb+0x130/0x360
[ 6367.299337][T12167]      netlink_unicast+0x449/0x710
[ 6367.299337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6367.299337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6367.299337][T12167]      ___sys_sendmsg+0xee/0x170
[ 6367.299337][T12167]      __sys_sendmsg+0xcd/0x170
[ 6367.299337][T12167]      do_syscall_64+0xc6/0x1e0
[ 6367.299337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6367.299337][T12167] 
[ 6377.542814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6377.543300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6377.543300][T12167]      netdev_get_by_index+0x5e/0x80
[ 6377.543300][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6377.543300][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6377.543300][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6377.543300][T12167]      ipv6_add_addr+0x411/0x2000
[ 6377.543300][T12167]      inet6_addr_add+0x30e/0xa40
[ 6377.543300][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6377.543300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6377.543300][T12167]      netlink_rcv_skb+0x130/0x360
[ 6377.543300][T12167]      netlink_unicast+0x449/0x710
[ 6377.543300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6377.543300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6377.543300][T12167]      ___sys_sendmsg+0xee/0x170
[ 6377.543300][T12167]      __sys_sendmsg+0xcd/0x170
[ 6377.543300][T12167]      do_syscall_64+0xc6/0x1e0
[ 6377.543300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6377.543300][T12167] 
[ 6377.545605][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6377.545605][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6377.545605][T12167]      ipv6_find_idev+0x102/0x170
[ 6377.545605][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6377.545605][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6377.545605][T12167]      netlink_rcv_skb+0x130/0x360
[ 6377.545605][T12167]      netlink_unicast+0x449/0x710
[ 6377.545605][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6377.545605][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6377.545605][T12167]      ___sys_sendmsg+0xee/0x170
[ 6377.545605][T12167]      __sys_sendmsg+0xcd/0x170
[ 6377.545605][T12167]      do_syscall_64+0xc6/0x1e0
[ 6377.545605][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6377.545605][T12167] 
[ 6377.547345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6377.547345][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6377.547345][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6377.547345][T12167]      ipv6_find_idev+0x102/0x170
[ 6377.547345][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6377.547345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6377.547345][T12167]      netlink_rcv_skb+0x130/0x360
[ 6377.547345][T12167]      netlink_unicast+0x449/0x710
[ 6377.547345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6377.547345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6377.547345][T12167]      ___sys_sendmsg+0xee/0x170
[ 6377.547345][T12167]      __sys_sendmsg+0xcd/0x170
[ 6377.547345][T12167]      do_syscall_64+0xc6/0x1e0
[ 6377.547345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6377.547345][T12167] 
[ 6387.790811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6387.791286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6387.791286][T12167]      netdev_get_by_index+0x5e/0x80
[ 6387.791286][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6387.791286][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6387.791286][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6387.791286][T12167]      ipv6_add_addr+0x411/0x2000
[ 6387.791286][T12167]      inet6_addr_add+0x30e/0xa40
[ 6387.791286][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6387.791286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6387.791286][T12167]      netlink_rcv_skb+0x130/0x360
[ 6387.791286][T12167]      netlink_unicast+0x449/0x710
[ 6387.791286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6387.791286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6387.791286][T12167]      ___sys_sendmsg+0xee/0x170
[ 6387.791286][T12167]      __sys_sendmsg+0xcd/0x170
[ 6387.791286][T12167]      do_syscall_64+0xc6/0x1e0
[ 6387.791286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6387.791286][T12167] 
[ 6387.793940][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6387.793940][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6387.793940][T12167]      ipv6_find_idev+0x102/0x170
[ 6387.793940][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6387.793940][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6387.793940][T12167]      netlink_rcv_skb+0x130/0x360
[ 6387.793940][T12167]      netlink_unicast+0x449/0x710
[ 6387.793940][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6387.793940][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6387.793940][T12167]      ___sys_sendmsg+0xee/0x170
[ 6387.793940][T12167]      __sys_sendmsg+0xcd/0x170
[ 6387.793940][T12167]      do_syscall_64+0xc6/0x1e0
[ 6387.793940][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6387.793940][T12167] 
[ 6387.795675][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6387.795675][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6387.795675][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6387.795675][T12167]      ipv6_find_idev+0x102/0x170
[ 6387.795675][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6387.795675][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6387.795675][T12167]      netlink_rcv_skb+0x130/0x360
[ 6387.795675][T12167]      netlink_unicast+0x449/0x710
[ 6387.795675][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6387.795675][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6387.795675][T12167]      ___sys_sendmsg+0xee/0x170
[ 6387.795675][T12167]      __sys_sendmsg+0xcd/0x170
[ 6387.795675][T12167]      do_syscall_64+0xc6/0x1e0
[ 6387.795675][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6387.795675][T12167] 
[ 6398.038811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6398.039291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6398.039291][T12167]      netdev_get_by_index+0x5e/0x80
[ 6398.039291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6398.039291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6398.039291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6398.039291][T12167]      ipv6_add_addr+0x411/0x2000
[ 6398.039291][T12167]      inet6_addr_add+0x30e/0xa40
[ 6398.039291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.039291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.039291][T12167]      netlink_rcv_skb+0x130/0x360
[ 6398.039291][T12167]      netlink_unicast+0x449/0x710
[ 6398.039291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6398.039291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.039291][T12167]      ___sys_sendmsg+0xee/0x170
[ 6398.039291][T12167]      __sys_sendmsg+0xcd/0x170
[ 6398.039291][T12167]      do_syscall_64+0xc6/0x1e0
[ 6398.039291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.039291][T12167] 
[ 6398.041550][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6398.041550][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6398.041550][T12167]      ipv6_find_idev+0x102/0x170
[ 6398.041550][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.041550][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.041550][T12167]      netlink_rcv_skb+0x130/0x360
[ 6398.041550][T12167]      netlink_unicast+0x449/0x710
[ 6398.041550][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6398.041550][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.041550][T12167]      ___sys_sendmsg+0xee/0x170
[ 6398.041550][T12167]      __sys_sendmsg+0xcd/0x170
[ 6398.041550][T12167]      do_syscall_64+0xc6/0x1e0
[ 6398.041550][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.041550][T12167] 
[ 6398.043298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6398.043298][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6398.043298][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6398.043298][T12167]      ipv6_find_idev+0x102/0x170
[ 6398.043298][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.043298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.043298][T12167]      netlink_rcv_skb+0x130/0x360
[ 6398.043298][T12167]      netlink_unicast+0x449/0x710
[ 6398.043298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6398.043298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.043298][T12167]      ___sys_sendmsg+0xee/0x170
[ 6398.043298][T12167]      __sys_sendmsg+0xcd/0x170
[ 6398.043298][T12167]      do_syscall_64+0xc6/0x1e0
[ 6398.043298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.043298][T12167] 
[ 6408.286805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6408.287316][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6408.287316][T12167]      netdev_get_by_index+0x5e/0x80
[ 6408.287316][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6408.287316][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6408.287316][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6408.287316][T12167]      ipv6_add_addr+0x411/0x2000
[ 6408.287316][T12167]      inet6_addr_add+0x30e/0xa40
[ 6408.287316][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6408.287316][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6408.287316][T12167]      netlink_rcv_skb+0x130/0x360
[ 6408.287316][T12167]      netlink_unicast+0x449/0x710
[ 6408.287316][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6408.287316][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6408.287316][T12167]      ___sys_sendmsg+0xee/0x170
[ 6408.287316][T12167]      __sys_sendmsg+0xcd/0x170
[ 6408.287316][T12167]      do_syscall_64+0xc6/0x1e0
[ 6408.287316][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6408.287316][T12167] 
[ 6408.289606][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6408.289606][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6408.289606][T12167]      ipv6_find_idev+0x102/0x170
[ 6408.289606][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6408.289606][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6408.289606][T12167]      netlink_rcv_skb+0x130/0x360
[ 6408.289606][T12167]      netlink_unicast+0x449/0x710
[ 6408.289606][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6408.289606][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6408.289606][T12167]      ___sys_sendmsg+0xee/0x170
[ 6408.289606][T12167]      __sys_sendmsg+0xcd/0x170
[ 6408.289606][T12167]      do_syscall_64+0xc6/0x1e0
[ 6408.289606][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6408.289606][T12167] 
[ 6408.291350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6408.291350][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6408.291350][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6408.291350][T12167]      ipv6_find_idev+0x102/0x170
[ 6408.291350][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6408.291350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6408.291350][T12167]      netlink_rcv_skb+0x130/0x360
[ 6408.291350][T12167]      netlink_unicast+0x449/0x710
[ 6408.291350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6408.291350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6408.291350][T12167]      ___sys_sendmsg+0xee/0x170
[ 6408.291350][T12167]      __sys_sendmsg+0xcd/0x170
[ 6408.291350][T12167]      do_syscall_64+0xc6/0x1e0
[ 6408.291350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6408.291350][T12167] 
[ 6418.534813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6418.535309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6418.535309][T12167]      netdev_get_by_index+0x5e/0x80
[ 6418.535309][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6418.535309][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6418.535309][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6418.535309][T12167]      ipv6_add_addr+0x411/0x2000
[ 6418.535309][T12167]      inet6_addr_add+0x30e/0xa40
[ 6418.535309][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6418.535309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6418.535309][T12167]      netlink_rcv_skb+0x130/0x360
[ 6418.535309][T12167]      netlink_unicast+0x449/0x710
[ 6418.535309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6418.535309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6418.535309][T12167]      ___sys_sendmsg+0xee/0x170
[ 6418.535309][T12167]      __sys_sendmsg+0xcd/0x170
[ 6418.535309][T12167]      do_syscall_64+0xc6/0x1e0
[ 6418.535309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6418.535309][T12167] 
[ 6418.537558][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6418.537558][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6418.537558][T12167]      ipv6_find_idev+0x102/0x170
[ 6418.537558][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6418.537558][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6418.537558][T12167]      netlink_rcv_skb+0x130/0x360
[ 6418.537558][T12167]      netlink_unicast+0x449/0x710
[ 6418.537558][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6418.537558][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6418.537558][T12167]      ___sys_sendmsg+0xee/0x170
[ 6418.537558][T12167]      __sys_sendmsg+0xcd/0x170
[ 6418.537558][T12167]      do_syscall_64+0xc6/0x1e0
[ 6418.537558][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6418.537558][T12167] 
[ 6418.539286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6418.539286][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6418.539286][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6418.539286][T12167]      ipv6_find_idev+0x102/0x170
[ 6418.539286][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6418.539286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6418.539286][T12167]      netlink_rcv_skb+0x130/0x360
[ 6418.539286][T12167]      netlink_unicast+0x449/0x710
[ 6418.539286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6418.539286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6418.539286][T12167]      ___sys_sendmsg+0xee/0x170
[ 6418.539286][T12167]      __sys_sendmsg+0xcd/0x170
[ 6418.539286][T12167]      do_syscall_64+0xc6/0x1e0
[ 6418.539286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6418.539286][T12167] 
[ 6428.774802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6428.775300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6428.775300][T12167]      netdev_get_by_index+0x5e/0x80
[ 6428.775300][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6428.775300][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6428.775300][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6428.775300][T12167]      ipv6_add_addr+0x411/0x2000
[ 6428.775300][T12167]      inet6_addr_add+0x30e/0xa40
[ 6428.775300][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6428.775300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6428.775300][T12167]      netlink_rcv_skb+0x130/0x360
[ 6428.775300][T12167]      netlink_unicast+0x449/0x710
[ 6428.775300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6428.775300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6428.775300][T12167]      ___sys_sendmsg+0xee/0x170
[ 6428.775300][T12167]      __sys_sendmsg+0xcd/0x170
[ 6428.775300][T12167]      do_syscall_64+0xc6/0x1e0
[ 6428.775300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6428.775300][T12167] 
[ 6428.777552][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6428.777552][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6428.777552][T12167]      ipv6_find_idev+0x102/0x170
[ 6428.777552][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6428.777552][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6428.777552][T12167]      netlink_rcv_skb+0x130/0x360
[ 6428.777552][T12167]      netlink_unicast+0x449/0x710
[ 6428.777552][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6428.777552][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6428.777552][T12167]      ___sys_sendmsg+0xee/0x170
[ 6428.777552][T12167]      __sys_sendmsg+0xcd/0x170
[ 6428.777552][T12167]      do_syscall_64+0xc6/0x1e0
[ 6428.777552][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6428.777552][T12167] 
[ 6428.779289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6428.779289][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6428.779289][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6428.779289][T12167]      ipv6_find_idev+0x102/0x170
[ 6428.779289][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6428.779289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6428.779289][T12167]      netlink_rcv_skb+0x130/0x360
[ 6428.779289][T12167]      netlink_unicast+0x449/0x710
[ 6428.779289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6428.779289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6428.779289][T12167]      ___sys_sendmsg+0xee/0x170
[ 6428.779289][T12167]      __sys_sendmsg+0xcd/0x170
[ 6428.779289][T12167]      do_syscall_64+0xc6/0x1e0
[ 6428.779289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6428.779289][T12167] 
[ 6439.022810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6439.023294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6439.023294][T12167]      netdev_get_by_index+0x5e/0x80
[ 6439.023294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6439.023294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6439.023294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6439.023294][T12167]      ipv6_add_addr+0x411/0x2000
[ 6439.023294][T12167]      inet6_addr_add+0x30e/0xa40
[ 6439.023294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6439.023294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6439.023294][T12167]      netlink_rcv_skb+0x130/0x360
[ 6439.023294][T12167]      netlink_unicast+0x449/0x710
[ 6439.023294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6439.023294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6439.023294][T12167]      ___sys_sendmsg+0xee/0x170
[ 6439.023294][T12167]      __sys_sendmsg+0xcd/0x170
[ 6439.023294][T12167]      do_syscall_64+0xc6/0x1e0
[ 6439.023294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6439.023294][T12167] 
[ 6439.025562][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6439.025562][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6439.025562][T12167]      ipv6_find_idev+0x102/0x170
[ 6439.025562][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6439.025562][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6439.025562][T12167]      netlink_rcv_skb+0x130/0x360
[ 6439.025562][T12167]      netlink_unicast+0x449/0x710
[ 6439.025562][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6439.025562][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6439.025562][T12167]      ___sys_sendmsg+0xee/0x170
[ 6439.025562][T12167]      __sys_sendmsg+0xcd/0x170
[ 6439.025562][T12167]      do_syscall_64+0xc6/0x1e0
[ 6439.025562][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6439.025562][T12167] 
[ 6439.027289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6439.027289][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6439.027289][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6439.027289][T12167]      ipv6_find_idev+0x102/0x170
[ 6439.027289][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6439.027289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6439.027289][T12167]      netlink_rcv_skb+0x130/0x360
[ 6439.027289][T12167]      netlink_unicast+0x449/0x710
[ 6439.027289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6439.027289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6439.027289][T12167]      ___sys_sendmsg+0xee/0x170
[ 6439.027289][T12167]      __sys_sendmsg+0xcd/0x170
[ 6439.027289][T12167]      do_syscall_64+0xc6/0x1e0
[ 6439.027289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6439.027289][T12167] 
[ 6449.270812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6449.271337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6449.271337][T12167]      netdev_get_by_index+0x5e/0x80
[ 6449.271337][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6449.271337][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6449.271337][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6449.271337][T12167]      ipv6_add_addr+0x411/0x2000
[ 6449.271337][T12167]      inet6_addr_add+0x30e/0xa40
[ 6449.271337][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6449.271337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6449.271337][T12167]      netlink_rcv_skb+0x130/0x360
[ 6449.271337][T12167]      netlink_unicast+0x449/0x710
[ 6449.271337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6449.271337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6449.271337][T12167]      ___sys_sendmsg+0xee/0x170
[ 6449.271337][T12167]      __sys_sendmsg+0xcd/0x170
[ 6449.271337][T12167]      do_syscall_64+0xc6/0x1e0
[ 6449.271337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6449.271337][T12167] 
[ 6449.273595][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6449.273595][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6449.273595][T12167]      ipv6_find_idev+0x102/0x170
[ 6449.273595][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6449.273595][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6449.273595][T12167]      netlink_rcv_skb+0x130/0x360
[ 6449.273595][T12167]      netlink_unicast+0x449/0x710
[ 6449.273595][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6449.273595][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6449.273595][T12167]      ___sys_sendmsg+0xee/0x170
[ 6449.273595][T12167]      __sys_sendmsg+0xcd/0x170
[ 6449.273595][T12167]      do_syscall_64+0xc6/0x1e0
[ 6449.273595][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6449.273595][T12167] 
[ 6449.275328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6449.275328][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6449.275328][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6449.275328][T12167]      ipv6_find_idev+0x102/0x170
[ 6449.275328][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6449.275328][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6449.275328][T12167]      netlink_rcv_skb+0x130/0x360
[ 6449.275328][T12167]      netlink_unicast+0x449/0x710
[ 6449.275328][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6449.275328][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6449.275328][T12167]      ___sys_sendmsg+0xee/0x170
[ 6449.275328][T12167]      __sys_sendmsg+0xcd/0x170
[ 6449.275328][T12167]      do_syscall_64+0xc6/0x1e0
[ 6449.275328][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6449.275328][T12167] 
[ 6459.518813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6459.519373][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6459.519373][T12167]      netdev_get_by_index+0x5e/0x80
[ 6459.519373][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6459.519373][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6459.519373][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6459.519373][T12167]      ipv6_add_addr+0x411/0x2000
[ 6459.519373][T12167]      inet6_addr_add+0x30e/0xa40
[ 6459.519373][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6459.519373][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6459.519373][T12167]      netlink_rcv_skb+0x130/0x360
[ 6459.519373][T12167]      netlink_unicast+0x449/0x710
[ 6459.519373][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6459.519373][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6459.519373][T12167]      ___sys_sendmsg+0xee/0x170
[ 6459.519373][T12167]      __sys_sendmsg+0xcd/0x170
[ 6459.519373][T12167]      do_syscall_64+0xc6/0x1e0
[ 6459.519373][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6459.519373][T12167] 
[ 6459.521661][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6459.521661][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6459.521661][T12167]      ipv6_find_idev+0x102/0x170
[ 6459.521661][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6459.521661][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6459.521661][T12167]      netlink_rcv_skb+0x130/0x360
[ 6459.521661][T12167]      netlink_unicast+0x449/0x710
[ 6459.521661][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6459.521661][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6459.521661][T12167]      ___sys_sendmsg+0xee/0x170
[ 6459.521661][T12167]      __sys_sendmsg+0xcd/0x170
[ 6459.521661][T12167]      do_syscall_64+0xc6/0x1e0
[ 6459.521661][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6459.521661][T12167] 
[ 6459.523411][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6459.523411][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6459.523411][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6459.523411][T12167]      ipv6_find_idev+0x102/0x170
[ 6459.523411][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6459.523411][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6459.523411][T12167]      netlink_rcv_skb+0x130/0x360
[ 6459.523411][T12167]      netlink_unicast+0x449/0x710
[ 6459.523411][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6459.523411][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6459.523411][T12167]      ___sys_sendmsg+0xee/0x170
[ 6459.523411][T12167]      __sys_sendmsg+0xcd/0x170
[ 6459.523411][T12167]      do_syscall_64+0xc6/0x1e0
[ 6459.523411][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6459.523411][T12167] 
[ 6469.766876][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6469.767374][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6469.767374][T12167]      netdev_get_by_index+0x5e/0x80
[ 6469.767374][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6469.767374][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6469.767374][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6469.767374][T12167]      ipv6_add_addr+0x411/0x2000
[ 6469.767374][T12167]      inet6_addr_add+0x30e/0xa40
[ 6469.767374][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6469.767374][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6469.767374][T12167]      netlink_rcv_skb+0x130/0x360
[ 6469.767374][T12167]      netlink_unicast+0x449/0x710
[ 6469.767374][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6469.767374][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6469.767374][T12167]      ___sys_sendmsg+0xee/0x170
[ 6469.767374][T12167]      __sys_sendmsg+0xcd/0x170
[ 6469.767374][T12167]      do_syscall_64+0xc6/0x1e0
[ 6469.767374][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6469.767374][T12167] 
[ 6469.769667][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6469.769667][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6469.769667][T12167]      ipv6_find_idev+0x102/0x170
[ 6469.769667][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6469.769667][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6469.769667][T12167]      netlink_rcv_skb+0x130/0x360
[ 6469.769667][T12167]      netlink_unicast+0x449/0x710
[ 6469.769667][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6469.769667][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6469.769667][T12167]      ___sys_sendmsg+0xee/0x170
[ 6469.769667][T12167]      __sys_sendmsg+0xcd/0x170
[ 6469.769667][T12167]      do_syscall_64+0xc6/0x1e0
[ 6469.769667][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6469.769667][T12167] 
[ 6469.771455][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6469.771455][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6469.771455][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6469.771455][T12167]      ipv6_find_idev+0x102/0x170
[ 6469.771455][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6469.771455][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6469.771455][T12167]      netlink_rcv_skb+0x130/0x360
[ 6469.771455][T12167]      netlink_unicast+0x449/0x710
[ 6469.771455][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6469.771455][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6469.771455][T12167]      ___sys_sendmsg+0xee/0x170
[ 6469.771455][T12167]      __sys_sendmsg+0xcd/0x170
[ 6469.771455][T12167]      do_syscall_64+0xc6/0x1e0
[ 6469.771455][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6469.771455][T12167] 
[ 6479.990810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6479.991311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6479.991311][T12167]      netdev_get_by_index+0x5e/0x80
[ 6479.991311][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6479.991311][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6479.991311][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6479.991311][T12167]      ipv6_add_addr+0x411/0x2000
[ 6479.991311][T12167]      inet6_addr_add+0x30e/0xa40
[ 6479.991311][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6479.991311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6479.991311][T12167]      netlink_rcv_skb+0x130/0x360
[ 6479.991311][T12167]      netlink_unicast+0x449/0x710
[ 6479.991311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6479.991311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6479.991311][T12167]      ___sys_sendmsg+0xee/0x170
[ 6479.991311][T12167]      __sys_sendmsg+0xcd/0x170
[ 6479.991311][T12167]      do_syscall_64+0xc6/0x1e0
[ 6479.991311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6479.991311][T12167] 
[ 6479.993641][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6479.993641][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6479.993641][T12167]      ipv6_find_idev+0x102/0x170
[ 6479.993641][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6479.993641][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6479.993641][T12167]      netlink_rcv_skb+0x130/0x360
[ 6479.993641][T12167]      netlink_unicast+0x449/0x710
[ 6479.993641][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6479.993641][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6479.993641][T12167]      ___sys_sendmsg+0xee/0x170
[ 6479.993641][T12167]      __sys_sendmsg+0xcd/0x170
[ 6479.993641][T12167]      do_syscall_64+0xc6/0x1e0
[ 6479.993641][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6479.993641][T12167] 
[ 6479.995920][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6479.995920][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6479.995920][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6479.995920][T12167]      ipv6_find_idev+0x102/0x170
[ 6479.995920][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6479.995920][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6479.995920][T12167]      netlink_rcv_skb+0x130/0x360
[ 6479.995920][T12167]      netlink_unicast+0x449/0x710
[ 6479.995920][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6479.995920][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6479.995920][T12167]      ___sys_sendmsg+0xee/0x170
[ 6479.995920][T12167]      __sys_sendmsg+0xcd/0x170
[ 6479.995920][T12167]      do_syscall_64+0xc6/0x1e0
[ 6479.995920][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6479.995920][T12167] 
[ 6490.030805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6490.031294][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6490.031294][T12167]      netdev_get_by_index+0x5e/0x80
[ 6490.031294][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6490.031294][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6490.031294][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6490.031294][T12167]      ipv6_add_addr+0x411/0x2000
[ 6490.031294][T12167]      inet6_addr_add+0x30e/0xa40
[ 6490.031294][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6490.031294][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6490.031294][T12167]      netlink_rcv_skb+0x130/0x360
[ 6490.031294][T12167]      netlink_unicast+0x449/0x710
[ 6490.031294][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6490.031294][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6490.031294][T12167]      ___sys_sendmsg+0xee/0x170
[ 6490.031294][T12167]      __sys_sendmsg+0xcd/0x170
[ 6490.031294][T12167]      do_syscall_64+0xc6/0x1e0
[ 6490.031294][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6490.031294][T12167] 
[ 6490.033566][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6490.033566][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6490.033566][T12167]      ipv6_find_idev+0x102/0x170
[ 6490.033566][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6490.033566][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6490.033566][T12167]      netlink_rcv_skb+0x130/0x360
[ 6490.033566][T12167]      netlink_unicast+0x449/0x710
[ 6490.033566][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6490.033566][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6490.033566][T12167]      ___sys_sendmsg+0xee/0x170
[ 6490.033566][T12167]      __sys_sendmsg+0xcd/0x170
[ 6490.033566][T12167]      do_syscall_64+0xc6/0x1e0
[ 6490.033566][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6490.033566][T12167] 
[ 6490.035312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6490.035312][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6490.035312][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6490.035312][T12167]      ipv6_find_idev+0x102/0x170
[ 6490.035312][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6490.035312][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6490.035312][T12167]      netlink_rcv_skb+0x130/0x360
[ 6490.035312][T12167]      netlink_unicast+0x449/0x710
[ 6490.035312][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6490.035312][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6490.035312][T12167]      ___sys_sendmsg+0xee/0x170
[ 6490.035312][T12167]      __sys_sendmsg+0xcd/0x170
[ 6490.035312][T12167]      do_syscall_64+0xc6/0x1e0
[ 6490.035312][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6490.035312][T12167] 
[ 6500.286811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6500.287291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6500.287291][T12167]      netdev_get_by_index+0x5e/0x80
[ 6500.287291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6500.287291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6500.287291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6500.287291][T12167]      ipv6_add_addr+0x411/0x2000
[ 6500.287291][T12167]      inet6_addr_add+0x30e/0xa40
[ 6500.287291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6500.287291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6500.287291][T12167]      netlink_rcv_skb+0x130/0x360
[ 6500.287291][T12167]      netlink_unicast+0x449/0x710
[ 6500.287291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6500.287291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6500.287291][T12167]      ___sys_sendmsg+0xee/0x170
[ 6500.287291][T12167]      __sys_sendmsg+0xcd/0x170
[ 6500.287291][T12167]      do_syscall_64+0xc6/0x1e0
[ 6500.287291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6500.287291][T12167] 
[ 6500.289632][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6500.289632][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6500.289632][T12167]      ipv6_find_idev+0x102/0x170
[ 6500.289632][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6500.289632][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6500.289632][T12167]      netlink_rcv_skb+0x130/0x360
[ 6500.289632][T12167]      netlink_unicast+0x449/0x710
[ 6500.289632][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6500.289632][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6500.289632][T12167]      ___sys_sendmsg+0xee/0x170
[ 6500.289632][T12167]      __sys_sendmsg+0xcd/0x170
[ 6500.289632][T12167]      do_syscall_64+0xc6/0x1e0
[ 6500.289632][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6500.289632][T12167] 
[ 6500.291379][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6500.291379][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6500.291379][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6500.291379][T12167]      ipv6_find_idev+0x102/0x170
[ 6500.291379][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6500.291379][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6500.291379][T12167]      netlink_rcv_skb+0x130/0x360
[ 6500.291379][T12167]      netlink_unicast+0x449/0x710
[ 6500.291379][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6500.291379][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6500.291379][T12167]      ___sys_sendmsg+0xee/0x170
[ 6500.291379][T12167]      __sys_sendmsg+0xcd/0x170
[ 6500.291379][T12167]      do_syscall_64+0xc6/0x1e0
[ 6500.291379][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6500.291379][T12167] 
[ 6510.542808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6510.543296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6510.543296][T12167]      netdev_get_by_index+0x5e/0x80
[ 6510.543296][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6510.543296][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6510.543296][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6510.543296][T12167]      ipv6_add_addr+0x411/0x2000
[ 6510.543296][T12167]      inet6_addr_add+0x30e/0xa40
[ 6510.543296][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6510.543296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6510.543296][T12167]      netlink_rcv_skb+0x130/0x360
[ 6510.543296][T12167]      netlink_unicast+0x449/0x710
[ 6510.543296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6510.543296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6510.543296][T12167]      ___sys_sendmsg+0xee/0x170
[ 6510.543296][T12167]      __sys_sendmsg+0xcd/0x170
[ 6510.543296][T12167]      do_syscall_64+0xc6/0x1e0
[ 6510.543296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6510.543296][T12167] 
[ 6510.545560][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6510.545560][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6510.545560][T12167]      ipv6_find_idev+0x102/0x170
[ 6510.545560][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6510.545560][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6510.545560][T12167]      netlink_rcv_skb+0x130/0x360
[ 6510.545560][T12167]      netlink_unicast+0x449/0x710
[ 6510.545560][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6510.545560][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6510.545560][T12167]      ___sys_sendmsg+0xee/0x170
[ 6510.545560][T12167]      __sys_sendmsg+0xcd/0x170
[ 6510.545560][T12167]      do_syscall_64+0xc6/0x1e0
[ 6510.545560][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6510.545560][T12167] 
[ 6510.547289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6510.547289][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6510.547289][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6510.547289][T12167]      ipv6_find_idev+0x102/0x170
[ 6510.547289][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6510.547289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6510.547289][T12167]      netlink_rcv_skb+0x130/0x360
[ 6510.547289][T12167]      netlink_unicast+0x449/0x710
[ 6510.547289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6510.547289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6510.547289][T12167]      ___sys_sendmsg+0xee/0x170
[ 6510.547289][T12167]      __sys_sendmsg+0xcd/0x170
[ 6510.547289][T12167]      do_syscall_64+0xc6/0x1e0
[ 6510.547289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6510.547289][T12167] 
[ 6520.798808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6520.799312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6520.799312][T12167]      netdev_get_by_index+0x5e/0x80
[ 6520.799312][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6520.799312][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6520.799312][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6520.799312][T12167]      ipv6_add_addr+0x411/0x2000
[ 6520.799312][T12167]      inet6_addr_add+0x30e/0xa40
[ 6520.799312][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6520.799312][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6520.799312][T12167]      netlink_rcv_skb+0x130/0x360
[ 6520.799312][T12167]      netlink_unicast+0x449/0x710
[ 6520.799312][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6520.799312][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6520.799312][T12167]      ___sys_sendmsg+0xee/0x170
[ 6520.799312][T12167]      __sys_sendmsg+0xcd/0x170
[ 6520.799312][T12167]      do_syscall_64+0xc6/0x1e0
[ 6520.799312][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6520.799312][T12167] 
[ 6520.801563][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6520.801563][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6520.801563][T12167]      ipv6_find_idev+0x102/0x170
[ 6520.801563][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6520.801563][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6520.801563][T12167]      netlink_rcv_skb+0x130/0x360
[ 6520.801563][T12167]      netlink_unicast+0x449/0x710
[ 6520.801563][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6520.801563][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6520.801563][T12167]      ___sys_sendmsg+0xee/0x170
[ 6520.801563][T12167]      __sys_sendmsg+0xcd/0x170
[ 6520.801563][T12167]      do_syscall_64+0xc6/0x1e0
[ 6520.801563][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6520.801563][T12167] 
[ 6520.803292][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6520.803292][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6520.803292][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6520.803292][T12167]      ipv6_find_idev+0x102/0x170
[ 6520.803292][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6520.803292][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6520.803292][T12167]      netlink_rcv_skb+0x130/0x360
[ 6520.803292][T12167]      netlink_unicast+0x449/0x710
[ 6520.803292][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6520.803292][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6520.803292][T12167]      ___sys_sendmsg+0xee/0x170
[ 6520.803292][T12167]      __sys_sendmsg+0xcd/0x170
[ 6520.803292][T12167]      do_syscall_64+0xc6/0x1e0
[ 6520.803292][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6520.803292][T12167] 
[ 6530.902812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6530.903302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6530.903302][T12167]      netdev_get_by_index+0x5e/0x80
[ 6530.903302][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6530.903302][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6530.903302][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6530.903302][T12167]      ipv6_add_addr+0x411/0x2000
[ 6530.903302][T12167]      inet6_addr_add+0x30e/0xa40
[ 6530.903302][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6530.903302][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6530.903302][T12167]      netlink_rcv_skb+0x130/0x360
[ 6530.903302][T12167]      netlink_unicast+0x449/0x710
[ 6530.903302][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6530.903302][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6530.903302][T12167]      ___sys_sendmsg+0xee/0x170
[ 6530.903302][T12167]      __sys_sendmsg+0xcd/0x170
[ 6530.903302][T12167]      do_syscall_64+0xc6/0x1e0
[ 6530.903302][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6530.903302][T12167] 
[ 6530.905561][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6530.905561][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6530.905561][T12167]      ipv6_find_idev+0x102/0x170
[ 6530.905561][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6530.905561][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6530.905561][T12167]      netlink_rcv_skb+0x130/0x360
[ 6530.905561][T12167]      netlink_unicast+0x449/0x710
[ 6530.905561][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6530.905561][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6530.905561][T12167]      ___sys_sendmsg+0xee/0x170
[ 6530.905561][T12167]      __sys_sendmsg+0xcd/0x170
[ 6530.905561][T12167]      do_syscall_64+0xc6/0x1e0
[ 6530.905561][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6530.905561][T12167] 
[ 6530.907288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6530.907288][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6530.907288][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6530.907288][T12167]      ipv6_find_idev+0x102/0x170
[ 6530.907288][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6530.907288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6530.907288][T12167]      netlink_rcv_skb+0x130/0x360
[ 6530.907288][T12167]      netlink_unicast+0x449/0x710
[ 6530.907288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6530.907288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6530.907288][T12167]      ___sys_sendmsg+0xee/0x170
[ 6530.907288][T12167]      __sys_sendmsg+0xcd/0x170
[ 6530.907288][T12167]      do_syscall_64+0xc6/0x1e0
[ 6530.907288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6530.907288][T12167] 
[ 6541.150745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6541.151228][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6541.151228][T12167]      netdev_get_by_index+0x5e/0x80
[ 6541.151228][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6541.151228][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6541.151228][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6541.151228][T12167]      ipv6_add_addr+0x411/0x2000
[ 6541.151228][T12167]      inet6_addr_add+0x30e/0xa40
[ 6541.151228][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6541.151228][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6541.151228][T12167]      netlink_rcv_skb+0x130/0x360
[ 6541.151228][T12167]      netlink_unicast+0x449/0x710
[ 6541.151228][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6541.151228][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6541.151228][T12167]      ___sys_sendmsg+0xee/0x170
[ 6541.151228][T12167]      __sys_sendmsg+0xcd/0x170
[ 6541.151228][T12167]      do_syscall_64+0xc6/0x1e0
[ 6541.151228][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6541.151228][T12167] 
[ 6541.153488][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6541.153488][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6541.153488][T12167]      ipv6_find_idev+0x102/0x170
[ 6541.153488][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6541.153488][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6541.153488][T12167]      netlink_rcv_skb+0x130/0x360
[ 6541.153488][T12167]      netlink_unicast+0x449/0x710
[ 6541.153488][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6541.153488][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6541.153488][T12167]      ___sys_sendmsg+0xee/0x170
[ 6541.153488][T12167]      __sys_sendmsg+0xcd/0x170
[ 6541.153488][T12167]      do_syscall_64+0xc6/0x1e0
[ 6541.153488][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6541.153488][T12167] 
[ 6541.155232][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6541.155232][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6541.155232][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6541.155232][T12167]      ipv6_find_idev+0x102/0x170
[ 6541.155232][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6541.155232][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6541.155232][T12167]      netlink_rcv_skb+0x130/0x360
[ 6541.155232][T12167]      netlink_unicast+0x449/0x710
[ 6541.155232][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6541.155232][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6541.155232][T12167]      ___sys_sendmsg+0xee/0x170
[ 6541.155232][T12167]      __sys_sendmsg+0xcd/0x170
[ 6541.155232][T12167]      do_syscall_64+0xc6/0x1e0
[ 6541.155232][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6541.155232][T12167] 
[ 6551.254812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6551.255333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6551.255333][T12167]      netdev_get_by_index+0x5e/0x80
[ 6551.255333][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6551.255333][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6551.255333][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6551.255333][T12167]      ipv6_add_addr+0x411/0x2000
[ 6551.255333][T12167]      inet6_addr_add+0x30e/0xa40
[ 6551.255333][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6551.255333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6551.255333][T12167]      netlink_rcv_skb+0x130/0x360
[ 6551.255333][T12167]      netlink_unicast+0x449/0x710
[ 6551.255333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6551.255333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6551.255333][T12167]      ___sys_sendmsg+0xee/0x170
[ 6551.255333][T12167]      __sys_sendmsg+0xcd/0x170
[ 6551.255333][T12167]      do_syscall_64+0xc6/0x1e0
[ 6551.255333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6551.255333][T12167] 
[ 6551.257601][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6551.257601][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6551.257601][T12167]      ipv6_find_idev+0x102/0x170
[ 6551.257601][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6551.257601][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6551.257601][T12167]      netlink_rcv_skb+0x130/0x360
[ 6551.257601][T12167]      netlink_unicast+0x449/0x710
[ 6551.257601][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6551.257601][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6551.257601][T12167]      ___sys_sendmsg+0xee/0x170
[ 6551.257601][T12167]      __sys_sendmsg+0xcd/0x170
[ 6551.257601][T12167]      do_syscall_64+0xc6/0x1e0
[ 6551.257601][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6551.257601][T12167] 
[ 6551.259341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6551.259341][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6551.259341][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6551.259341][T12167]      ipv6_find_idev+0x102/0x170
[ 6551.259341][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6551.259341][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6551.259341][T12167]      netlink_rcv_skb+0x130/0x360
[ 6551.259341][T12167]      netlink_unicast+0x449/0x710
[ 6551.259341][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6551.259341][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6551.259341][T12167]      ___sys_sendmsg+0xee/0x170
[ 6551.259341][T12167]      __sys_sendmsg+0xcd/0x170
[ 6551.259341][T12167]      do_syscall_64+0xc6/0x1e0
[ 6551.259341][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6551.259341][T12167] 
[ 6561.302810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6561.303291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6561.303291][T12167]      netdev_get_by_index+0x5e/0x80
[ 6561.303291][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6561.303291][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6561.303291][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6561.303291][T12167]      ipv6_add_addr+0x411/0x2000
[ 6561.303291][T12167]      inet6_addr_add+0x30e/0xa40
[ 6561.303291][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6561.303291][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6561.303291][T12167]      netlink_rcv_skb+0x130/0x360
[ 6561.303291][T12167]      netlink_unicast+0x449/0x710
[ 6561.303291][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6561.303291][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6561.303291][T12167]      ___sys_sendmsg+0xee/0x170
[ 6561.303291][T12167]      __sys_sendmsg+0xcd/0x170
[ 6561.303291][T12167]      do_syscall_64+0xc6/0x1e0
[ 6561.303291][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6561.303291][T12167] 
[ 6561.305652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6561.305652][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6561.305652][T12167]      ipv6_find_idev+0x102/0x170
[ 6561.305652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6561.305652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6561.305652][T12167]      netlink_rcv_skb+0x130/0x360
[ 6561.305652][T12167]      netlink_unicast+0x449/0x710
[ 6561.305652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6561.305652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6561.305652][T12167]      ___sys_sendmsg+0xee/0x170
[ 6561.305652][T12167]      __sys_sendmsg+0xcd/0x170
[ 6561.305652][T12167]      do_syscall_64+0xc6/0x1e0
[ 6561.305652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6561.305652][T12167] 
[ 6561.307390][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6561.307390][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6561.307390][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6561.307390][T12167]      ipv6_find_idev+0x102/0x170
[ 6561.307390][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6561.307390][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6561.307390][T12167]      netlink_rcv_skb+0x130/0x360
[ 6561.307390][T12167]      netlink_unicast+0x449/0x710
[ 6561.307390][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6561.307390][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6561.307390][T12167]      ___sys_sendmsg+0xee/0x170
[ 6561.307390][T12167]      __sys_sendmsg+0xcd/0x170
[ 6561.307390][T12167]      do_syscall_64+0xc6/0x1e0
[ 6561.307390][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6561.307390][T12167] 
[ 6571.478804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6571.479375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6571.479375][T12167]      netdev_get_by_index+0x5e/0x80
[ 6571.479375][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6571.479375][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6571.479375][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6571.479375][T12167]      ipv6_add_addr+0x411/0x2000
[ 6571.479375][T12167]      inet6_addr_add+0x30e/0xa40
[ 6571.479375][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6571.479375][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6571.479375][T12167]      netlink_rcv_skb+0x130/0x360
[ 6571.479375][T12167]      netlink_unicast+0x449/0x710
[ 6571.479375][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6571.479375][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6571.479375][T12167]      ___sys_sendmsg+0xee/0x170
[ 6571.479375][T12167]      __sys_sendmsg+0xcd/0x170
[ 6571.479375][T12167]      do_syscall_64+0xc6/0x1e0
[ 6571.479375][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6571.479375][T12167] 
[ 6571.481912][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6571.481912][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6571.481912][T12167]      ipv6_find_idev+0x102/0x170
[ 6571.481912][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6571.481912][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6571.481912][T12167]      netlink_rcv_skb+0x130/0x360
[ 6571.481912][T12167]      netlink_unicast+0x449/0x710
[ 6571.481912][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6571.481912][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6571.481912][T12167]      ___sys_sendmsg+0xee/0x170
[ 6571.481912][T12167]      __sys_sendmsg+0xcd/0x170
[ 6571.481912][T12167]      do_syscall_64+0xc6/0x1e0
[ 6571.481912][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6571.481912][T12167] 
[ 6571.483853][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6571.483853][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6571.483853][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6571.483853][T12167]      ipv6_find_idev+0x102/0x170
[ 6571.483853][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6571.483853][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6571.483853][T12167]      netlink_rcv_skb+0x130/0x360
[ 6571.483853][T12167]      netlink_unicast+0x449/0x710
[ 6571.483853][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6571.483853][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6571.483853][T12167]      ___sys_sendmsg+0xee/0x170
[ 6571.483853][T12167]      __sys_sendmsg+0xcd/0x170
[ 6571.483853][T12167]      do_syscall_64+0xc6/0x1e0
[ 6571.483853][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6571.483853][T12167] 
[ 6581.606805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6581.607288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6581.607288][T12167]      netdev_get_by_index+0x5e/0x80
[ 6581.607288][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6581.607288][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6581.607288][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6581.607288][T12167]      ipv6_add_addr+0x411/0x2000
[ 6581.607288][T12167]      inet6_addr_add+0x30e/0xa40
[ 6581.607288][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6581.607288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6581.607288][T12167]      netlink_rcv_skb+0x130/0x360
[ 6581.607288][T12167]      netlink_unicast+0x449/0x710
[ 6581.607288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6581.607288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6581.607288][T12167]      ___sys_sendmsg+0xee/0x170
[ 6581.607288][T12167]      __sys_sendmsg+0xcd/0x170
[ 6581.607288][T12167]      do_syscall_64+0xc6/0x1e0
[ 6581.607288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6581.607288][T12167] 
[ 6581.609856][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6581.609856][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6581.609856][T12167]      ipv6_find_idev+0x102/0x170
[ 6581.609856][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6581.609856][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6581.609856][T12167]      netlink_rcv_skb+0x130/0x360
[ 6581.609856][T12167]      netlink_unicast+0x449/0x710
[ 6581.609856][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6581.609856][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6581.609856][T12167]      ___sys_sendmsg+0xee/0x170
[ 6581.609856][T12167]      __sys_sendmsg+0xcd/0x170
[ 6581.609856][T12167]      do_syscall_64+0xc6/0x1e0
[ 6581.609856][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6581.609856][T12167] 
[ 6581.611796][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6581.611796][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6581.611796][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6581.611796][T12167]      ipv6_find_idev+0x102/0x170
[ 6581.611796][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6581.611796][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6581.611796][T12167]      netlink_rcv_skb+0x130/0x360
[ 6581.611796][T12167]      netlink_unicast+0x449/0x710
[ 6581.611796][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6581.611796][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6581.611796][T12167]      ___sys_sendmsg+0xee/0x170
[ 6581.611796][T12167]      __sys_sendmsg+0xcd/0x170
[ 6581.611796][T12167]      do_syscall_64+0xc6/0x1e0
[ 6581.611796][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6581.611796][T12167] 
[ 6591.750803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6591.751286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6591.751286][T12167]      netdev_get_by_index+0x5e/0x80
[ 6591.751286][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6591.751286][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6591.751286][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6591.751286][T12167]      ipv6_add_addr+0x411/0x2000
[ 6591.751286][T12167]      inet6_addr_add+0x30e/0xa40
[ 6591.751286][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6591.751286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6591.751286][T12167]      netlink_rcv_skb+0x130/0x360
[ 6591.751286][T12167]      netlink_unicast+0x449/0x710
[ 6591.751286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6591.751286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6591.751286][T12167]      ___sys_sendmsg+0xee/0x170
[ 6591.751286][T12167]      __sys_sendmsg+0xcd/0x170
[ 6591.751286][T12167]      do_syscall_64+0xc6/0x1e0
[ 6591.751286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6591.751286][T12167] 
[ 6591.753833][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6591.753833][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6591.753833][T12167]      ipv6_find_idev+0x102/0x170
[ 6591.753833][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6591.753833][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6591.753833][T12167]      netlink_rcv_skb+0x130/0x360
[ 6591.753833][T12167]      netlink_unicast+0x449/0x710
[ 6591.753833][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6591.753833][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6591.753833][T12167]      ___sys_sendmsg+0xee/0x170
[ 6591.753833][T12167]      __sys_sendmsg+0xcd/0x170
[ 6591.753833][T12167]      do_syscall_64+0xc6/0x1e0
[ 6591.753833][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6591.753833][T12167] 
[ 6591.755799][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6591.755799][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6591.755799][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6591.755799][T12167]      ipv6_find_idev+0x102/0x170
[ 6591.755799][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6591.755799][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6591.755799][T12167]      netlink_rcv_skb+0x130/0x360
[ 6591.755799][T12167]      netlink_unicast+0x449/0x710
[ 6591.755799][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6591.755799][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6591.755799][T12167]      ___sys_sendmsg+0xee/0x170
[ 6591.755799][T12167]      __sys_sendmsg+0xcd/0x170
[ 6591.755799][T12167]      do_syscall_64+0xc6/0x1e0
[ 6591.755799][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6591.755799][T12167] 
[ 6602.006813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6602.007284][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6602.007284][T12167]      netdev_get_by_index+0x5e/0x80
[ 6602.007284][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6602.007284][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6602.007284][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6602.007284][T12167]      ipv6_add_addr+0x411/0x2000
[ 6602.007284][T12167]      inet6_addr_add+0x30e/0xa40
[ 6602.007284][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6602.007284][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6602.007284][T12167]      netlink_rcv_skb+0x130/0x360
[ 6602.007284][T12167]      netlink_unicast+0x449/0x710
[ 6602.007284][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6602.007284][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6602.007284][T12167]      ___sys_sendmsg+0xee/0x170
[ 6602.007284][T12167]      __sys_sendmsg+0xcd/0x170
[ 6602.007284][T12167]      do_syscall_64+0xc6/0x1e0
[ 6602.007284][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6602.007284][T12167] 
[ 6602.009557][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6602.009557][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6602.009557][T12167]      ipv6_find_idev+0x102/0x170
[ 6602.009557][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6602.009557][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6602.009557][T12167]      netlink_rcv_skb+0x130/0x360
[ 6602.009557][T12167]      netlink_unicast+0x449/0x710
[ 6602.009557][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6602.009557][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6602.009557][T12167]      ___sys_sendmsg+0xee/0x170
[ 6602.009557][T12167]      __sys_sendmsg+0xcd/0x170
[ 6602.009557][T12167]      do_syscall_64+0xc6/0x1e0
[ 6602.009557][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6602.009557][T12167] 
[ 6602.011293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6602.011293][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6602.011293][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6602.011293][T12167]      ipv6_find_idev+0x102/0x170
[ 6602.011293][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6602.011293][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6602.011293][T12167]      netlink_rcv_skb+0x130/0x360
[ 6602.011293][T12167]      netlink_unicast+0x449/0x710
[ 6602.011293][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6602.011293][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6602.011293][T12167]      ___sys_sendmsg+0xee/0x170
[ 6602.011293][T12167]      __sys_sendmsg+0xcd/0x170
[ 6602.011293][T12167]      do_syscall_64+0xc6/0x1e0
[ 6602.011293][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6602.011293][T12167] 
[ 6612.262822][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6612.263266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6612.263266][T12167]      netdev_get_by_index+0x5e/0x80
[ 6612.263266][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6612.263266][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6612.263266][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6612.263266][T12167]      ipv6_add_addr+0x411/0x2000
[ 6612.263266][T12167]      inet6_addr_add+0x30e/0xa40
[ 6612.263266][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6612.263266][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6612.263266][T12167]      netlink_rcv_skb+0x130/0x360
[ 6612.263266][T12167]      netlink_unicast+0x449/0x710
[ 6612.263266][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6612.263266][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6612.263266][T12167]      ___sys_sendmsg+0xee/0x170
[ 6612.263266][T12167]      __sys_sendmsg+0xcd/0x170
[ 6612.263266][T12167]      do_syscall_64+0xc6/0x1e0
[ 6612.263266][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6612.263266][T12167] 
[ 6612.265641][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6612.265641][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6612.265641][T12167]      ipv6_find_idev+0x102/0x170
[ 6612.265641][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6612.265641][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6612.265641][T12167]      netlink_rcv_skb+0x130/0x360
[ 6612.265641][T12167]      netlink_unicast+0x449/0x710
[ 6612.265641][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6612.265641][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6612.265641][T12167]      ___sys_sendmsg+0xee/0x170
[ 6612.265641][T12167]      __sys_sendmsg+0xcd/0x170
[ 6612.265641][T12167]      do_syscall_64+0xc6/0x1e0
[ 6612.265641][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6612.265641][T12167] 
[ 6612.267363][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6612.267363][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6612.267363][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6612.267363][T12167]      ipv6_find_idev+0x102/0x170
[ 6612.267363][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6612.267363][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6612.267363][T12167]      netlink_rcv_skb+0x130/0x360
[ 6612.267363][T12167]      netlink_unicast+0x449/0x710
[ 6612.267363][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6612.267363][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6612.267363][T12167]      ___sys_sendmsg+0xee/0x170
[ 6612.267363][T12167]      __sys_sendmsg+0xcd/0x170
[ 6612.267363][T12167]      do_syscall_64+0xc6/0x1e0
[ 6612.267363][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6612.267363][T12167] 
[ 6622.518806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6622.519311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6622.519311][T12167]      netdev_get_by_index+0x5e/0x80
[ 6622.519311][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6622.519311][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6622.519311][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6622.519311][T12167]      ipv6_add_addr+0x411/0x2000
[ 6622.519311][T12167]      inet6_addr_add+0x30e/0xa40
[ 6622.519311][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6622.519311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6622.519311][T12167]      netlink_rcv_skb+0x130/0x360
[ 6622.519311][T12167]      netlink_unicast+0x449/0x710
[ 6622.519311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6622.519311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6622.519311][T12167]      ___sys_sendmsg+0xee/0x170
[ 6622.519311][T12167]      __sys_sendmsg+0xcd/0x170
[ 6622.519311][T12167]      do_syscall_64+0xc6/0x1e0
[ 6622.519311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6622.519311][T12167] 
[ 6622.521571][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6622.521571][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6622.521571][T12167]      ipv6_find_idev+0x102/0x170
[ 6622.521571][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6622.521571][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6622.521571][T12167]      netlink_rcv_skb+0x130/0x360
[ 6622.521571][T12167]      netlink_unicast+0x449/0x710
[ 6622.521571][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6622.521571][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6622.521571][T12167]      ___sys_sendmsg+0xee/0x170
[ 6622.521571][T12167]      __sys_sendmsg+0xcd/0x170
[ 6622.521571][T12167]      do_syscall_64+0xc6/0x1e0
[ 6622.521571][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6622.521571][T12167] 
[ 6622.523316][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6622.523316][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6622.523316][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6622.523316][T12167]      ipv6_find_idev+0x102/0x170
[ 6622.523316][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6622.523316][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6622.523316][T12167]      netlink_rcv_skb+0x130/0x360
[ 6622.523316][T12167]      netlink_unicast+0x449/0x710
[ 6622.523316][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6622.523316][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6622.523316][T12167]      ___sys_sendmsg+0xee/0x170
[ 6622.523316][T12167]      __sys_sendmsg+0xcd/0x170
[ 6622.523316][T12167]      do_syscall_64+0xc6/0x1e0
[ 6622.523316][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6622.523316][T12167] 
[ 6632.598810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6632.599297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6632.599297][T12167]      netdev_get_by_index+0x5e/0x80
[ 6632.599297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6632.599297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6632.599297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6632.599297][T12167]      ipv6_add_addr+0x411/0x2000
[ 6632.599297][T12167]      inet6_addr_add+0x30e/0xa40
[ 6632.599297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6632.599297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6632.599297][T12167]      netlink_rcv_skb+0x130/0x360
[ 6632.599297][T12167]      netlink_unicast+0x449/0x710
[ 6632.599297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6632.599297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6632.599297][T12167]      ___sys_sendmsg+0xee/0x170
[ 6632.599297][T12167]      __sys_sendmsg+0xcd/0x170
[ 6632.599297][T12167]      do_syscall_64+0xc6/0x1e0
[ 6632.599297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6632.599297][T12167] 
[ 6632.601555][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6632.601555][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6632.601555][T12167]      ipv6_find_idev+0x102/0x170
[ 6632.601555][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6632.601555][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6632.601555][T12167]      netlink_rcv_skb+0x130/0x360
[ 6632.601555][T12167]      netlink_unicast+0x449/0x710
[ 6632.601555][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6632.601555][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6632.601555][T12167]      ___sys_sendmsg+0xee/0x170
[ 6632.601555][T12167]      __sys_sendmsg+0xcd/0x170
[ 6632.601555][T12167]      do_syscall_64+0xc6/0x1e0
[ 6632.601555][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6632.601555][T12167] 
[ 6632.603285][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6632.603285][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6632.603285][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6632.603285][T12167]      ipv6_find_idev+0x102/0x170
[ 6632.603285][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6632.603285][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6632.603285][T12167]      netlink_rcv_skb+0x130/0x360
[ 6632.603285][T12167]      netlink_unicast+0x449/0x710
[ 6632.603285][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6632.603285][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6632.603285][T12167]      ___sys_sendmsg+0xee/0x170
[ 6632.603285][T12167]      __sys_sendmsg+0xcd/0x170
[ 6632.603285][T12167]      do_syscall_64+0xc6/0x1e0
[ 6632.603285][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6632.603285][T12167] 
[ 6642.846817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6642.847303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6642.847303][T12167]      netdev_get_by_index+0x5e/0x80
[ 6642.847303][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6642.847303][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6642.847303][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6642.847303][T12167]      ipv6_add_addr+0x411/0x2000
[ 6642.847303][T12167]      inet6_addr_add+0x30e/0xa40
[ 6642.847303][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6642.847303][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6642.847303][T12167]      netlink_rcv_skb+0x130/0x360
[ 6642.847303][T12167]      netlink_unicast+0x449/0x710
[ 6642.847303][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6642.847303][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6642.847303][T12167]      ___sys_sendmsg+0xee/0x170
[ 6642.847303][T12167]      __sys_sendmsg+0xcd/0x170
[ 6642.847303][T12167]      do_syscall_64+0xc6/0x1e0
[ 6642.847303][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6642.847303][T12167] 
[ 6642.849562][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6642.849562][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6642.849562][T12167]      ipv6_find_idev+0x102/0x170
[ 6642.849562][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6642.849562][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6642.849562][T12167]      netlink_rcv_skb+0x130/0x360
[ 6642.849562][T12167]      netlink_unicast+0x449/0x710
[ 6642.849562][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6642.849562][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6642.849562][T12167]      ___sys_sendmsg+0xee/0x170
[ 6642.849562][T12167]      __sys_sendmsg+0xcd/0x170
[ 6642.849562][T12167]      do_syscall_64+0xc6/0x1e0
[ 6642.849562][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6642.849562][T12167] 
[ 6642.851288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6642.851288][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6642.851288][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6642.851288][T12167]      ipv6_find_idev+0x102/0x170
[ 6642.851288][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6642.851288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6642.851288][T12167]      netlink_rcv_skb+0x130/0x360
[ 6642.851288][T12167]      netlink_unicast+0x449/0x710
[ 6642.851288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6642.851288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6642.851288][T12167]      ___sys_sendmsg+0xee/0x170
[ 6642.851288][T12167]      __sys_sendmsg+0xcd/0x170
[ 6642.851288][T12167]      do_syscall_64+0xc6/0x1e0
[ 6642.851288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6642.851288][T12167] 
[ 6653.094848][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6653.095376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6653.095376][T12167]      netdev_get_by_index+0x5e/0x80
[ 6653.095376][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6653.095376][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6653.095376][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6653.095376][T12167]      ipv6_add_addr+0x411/0x2000
[ 6653.095376][T12167]      inet6_addr_add+0x30e/0xa40
[ 6653.095376][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6653.095376][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6653.095376][T12167]      netlink_rcv_skb+0x130/0x360
[ 6653.095376][T12167]      netlink_unicast+0x449/0x710
[ 6653.095376][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6653.095376][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6653.095376][T12167]      ___sys_sendmsg+0xee/0x170
[ 6653.095376][T12167]      __sys_sendmsg+0xcd/0x170
[ 6653.095376][T12167]      do_syscall_64+0xc6/0x1e0
[ 6653.095376][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6653.095376][T12167] 
[ 6653.097652][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6653.097652][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6653.097652][T12167]      ipv6_find_idev+0x102/0x170
[ 6653.097652][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6653.097652][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6653.097652][T12167]      netlink_rcv_skb+0x130/0x360
[ 6653.097652][T12167]      netlink_unicast+0x449/0x710
[ 6653.097652][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6653.097652][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6653.097652][T12167]      ___sys_sendmsg+0xee/0x170
[ 6653.097652][T12167]      __sys_sendmsg+0xcd/0x170
[ 6653.097652][T12167]      do_syscall_64+0xc6/0x1e0
[ 6653.097652][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6653.097652][T12167] 
[ 6653.099387][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6653.099387][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6653.099387][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6653.099387][T12167]      ipv6_find_idev+0x102/0x170
[ 6653.099387][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6653.099387][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6653.099387][T12167]      netlink_rcv_skb+0x130/0x360
[ 6653.099387][T12167]      netlink_unicast+0x449/0x710
[ 6653.099387][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6653.099387][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6653.099387][T12167]      ___sys_sendmsg+0xee/0x170
[ 6653.099387][T12167]      __sys_sendmsg+0xcd/0x170
[ 6653.099387][T12167]      do_syscall_64+0xc6/0x1e0
[ 6653.099387][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6653.099387][T12167] 
[ 6663.270818][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6663.271295][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6663.271295][T12167]      netdev_get_by_index+0x5e/0x80
[ 6663.271295][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6663.271295][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6663.271295][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6663.271295][T12167]      ipv6_add_addr+0x411/0x2000
[ 6663.271295][T12167]      inet6_addr_add+0x30e/0xa40
[ 6663.271295][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6663.271295][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6663.271295][T12167]      netlink_rcv_skb+0x130/0x360
[ 6663.271295][T12167]      netlink_unicast+0x449/0x710
[ 6663.271295][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6663.271295][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6663.271295][T12167]      ___sys_sendmsg+0xee/0x170
[ 6663.271295][T12167]      __sys_sendmsg+0xcd/0x170
[ 6663.271295][T12167]      do_syscall_64+0xc6/0x1e0
[ 6663.271295][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6663.271295][T12167] 
[ 6663.273582][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6663.273582][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6663.273582][T12167]      ipv6_find_idev+0x102/0x170
[ 6663.273582][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6663.273582][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6663.273582][T12167]      netlink_rcv_skb+0x130/0x360
[ 6663.273582][T12167]      netlink_unicast+0x449/0x710
[ 6663.273582][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6663.273582][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6663.273582][T12167]      ___sys_sendmsg+0xee/0x170
[ 6663.273582][T12167]      __sys_sendmsg+0xcd/0x170
[ 6663.273582][T12167]      do_syscall_64+0xc6/0x1e0
[ 6663.273582][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6663.273582][T12167] 
[ 6663.275333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6663.275333][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6663.275333][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6663.275333][T12167]      ipv6_find_idev+0x102/0x170
[ 6663.275333][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6663.275333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6663.275333][T12167]      netlink_rcv_skb+0x130/0x360
[ 6663.275333][T12167]      netlink_unicast+0x449/0x710
[ 6663.275333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6663.275333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6663.275333][T12167]      ___sys_sendmsg+0xee/0x170
[ 6663.275333][T12167]      __sys_sendmsg+0xcd/0x170
[ 6663.275333][T12167]      do_syscall_64+0xc6/0x1e0
[ 6663.275333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6663.275333][T12167] 
[ 6673.518819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6673.519351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6673.519351][T12167]      netdev_get_by_index+0x5e/0x80
[ 6673.519351][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6673.519351][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6673.519351][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6673.519351][T12167]      ipv6_add_addr+0x411/0x2000
[ 6673.519351][T12167]      inet6_addr_add+0x30e/0xa40
[ 6673.519351][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6673.519351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6673.519351][T12167]      netlink_rcv_skb+0x130/0x360
[ 6673.519351][T12167]      netlink_unicast+0x449/0x710
[ 6673.519351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6673.519351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6673.519351][T12167]      ___sys_sendmsg+0xee/0x170
[ 6673.519351][T12167]      __sys_sendmsg+0xcd/0x170
[ 6673.519351][T12167]      do_syscall_64+0xc6/0x1e0
[ 6673.519351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6673.519351][T12167] 
[ 6673.521647][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6673.521647][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6673.521647][T12167]      ipv6_find_idev+0x102/0x170
[ 6673.521647][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6673.521647][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6673.521647][T12167]      netlink_rcv_skb+0x130/0x360
[ 6673.521647][T12167]      netlink_unicast+0x449/0x710
[ 6673.521647][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6673.521647][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6673.521647][T12167]      ___sys_sendmsg+0xee/0x170
[ 6673.521647][T12167]      __sys_sendmsg+0xcd/0x170
[ 6673.521647][T12167]      do_syscall_64+0xc6/0x1e0
[ 6673.521647][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6673.521647][T12167] 
[ 6673.523408][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6673.523408][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6673.523408][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6673.523408][T12167]      ipv6_find_idev+0x102/0x170
[ 6673.523408][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6673.523408][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6673.523408][T12167]      netlink_rcv_skb+0x130/0x360
[ 6673.523408][T12167]      netlink_unicast+0x449/0x710
[ 6673.523408][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6673.523408][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6673.523408][T12167]      ___sys_sendmsg+0xee/0x170
[ 6673.523408][T12167]      __sys_sendmsg+0xcd/0x170
[ 6673.523408][T12167]      do_syscall_64+0xc6/0x1e0
[ 6673.523408][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6673.523408][T12167] 
[ 6683.766817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6683.767344][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6683.767344][T12167]      netdev_get_by_index+0x5e/0x80
[ 6683.767344][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6683.767344][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6683.767344][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6683.767344][T12167]      ipv6_add_addr+0x411/0x2000
[ 6683.767344][T12167]      inet6_addr_add+0x30e/0xa40
[ 6683.767344][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6683.767344][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6683.767344][T12167]      netlink_rcv_skb+0x130/0x360
[ 6683.767344][T12167]      netlink_unicast+0x449/0x710
[ 6683.767344][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6683.767344][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6683.767344][T12167]      ___sys_sendmsg+0xee/0x170
[ 6683.767344][T12167]      __sys_sendmsg+0xcd/0x170
[ 6683.767344][T12167]      do_syscall_64+0xc6/0x1e0
[ 6683.767344][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6683.767344][T12167] 
[ 6683.769634][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6683.769634][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6683.769634][T12167]      ipv6_find_idev+0x102/0x170
[ 6683.769634][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6683.769634][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6683.769634][T12167]      netlink_rcv_skb+0x130/0x360
[ 6683.769634][T12167]      netlink_unicast+0x449/0x710
[ 6683.769634][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6683.769634][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6683.769634][T12167]      ___sys_sendmsg+0xee/0x170
[ 6683.769634][T12167]      __sys_sendmsg+0xcd/0x170
[ 6683.769634][T12167]      do_syscall_64+0xc6/0x1e0
[ 6683.769634][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6683.769634][T12167] 
[ 6683.771391][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6683.771391][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6683.771391][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6683.771391][T12167]      ipv6_find_idev+0x102/0x170
[ 6683.771391][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6683.771391][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6683.771391][T12167]      netlink_rcv_skb+0x130/0x360
[ 6683.771391][T12167]      netlink_unicast+0x449/0x710
[ 6683.771391][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6683.771391][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6683.771391][T12167]      ___sys_sendmsg+0xee/0x170
[ 6683.771391][T12167]      __sys_sendmsg+0xcd/0x170
[ 6683.771391][T12167]      do_syscall_64+0xc6/0x1e0
[ 6683.771391][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6683.771391][T12167] 
[ 6694.014745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6694.015273][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6694.015273][T12167]      netdev_get_by_index+0x5e/0x80
[ 6694.015273][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6694.015273][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6694.015273][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6694.015273][T12167]      ipv6_add_addr+0x411/0x2000
[ 6694.015273][T12167]      inet6_addr_add+0x30e/0xa40
[ 6694.015273][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6694.015273][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6694.015273][T12167]      netlink_rcv_skb+0x130/0x360
[ 6694.015273][T12167]      netlink_unicast+0x449/0x710
[ 6694.015273][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6694.015273][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6694.015273][T12167]      ___sys_sendmsg+0xee/0x170
[ 6694.015273][T12167]      __sys_sendmsg+0xcd/0x170
[ 6694.015273][T12167]      do_syscall_64+0xc6/0x1e0
[ 6694.015273][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6694.015273][T12167] 
[ 6694.017565][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6694.017565][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6694.017565][T12167]      ipv6_find_idev+0x102/0x170
[ 6694.017565][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6694.017565][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6694.017565][T12167]      netlink_rcv_skb+0x130/0x360
[ 6694.017565][T12167]      netlink_unicast+0x449/0x710
[ 6694.017565][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6694.017565][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6694.017565][T12167]      ___sys_sendmsg+0xee/0x170
[ 6694.017565][T12167]      __sys_sendmsg+0xcd/0x170
[ 6694.017565][T12167]      do_syscall_64+0xc6/0x1e0
[ 6694.017565][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6694.017565][T12167] 
[ 6694.019324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6694.019324][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6694.019324][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6694.019324][T12167]      ipv6_find_idev+0x102/0x170
[ 6694.019324][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6694.019324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6694.019324][T12167]      netlink_rcv_skb+0x130/0x360
[ 6694.019324][T12167]      netlink_unicast+0x449/0x710
[ 6694.019324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6694.019324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6694.019324][T12167]      ___sys_sendmsg+0xee/0x170
[ 6694.019324][T12167]      __sys_sendmsg+0xcd/0x170
[ 6694.019324][T12167]      do_syscall_64+0xc6/0x1e0
[ 6694.019324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6694.019324][T12167] 
[ 6704.126813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6704.127299][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6704.127299][T12167]      netdev_get_by_index+0x5e/0x80
[ 6704.127299][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6704.127299][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6704.127299][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6704.127299][T12167]      ipv6_add_addr+0x411/0x2000
[ 6704.127299][T12167]      inet6_addr_add+0x30e/0xa40
[ 6704.127299][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6704.127299][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6704.127299][T12167]      netlink_rcv_skb+0x130/0x360
[ 6704.127299][T12167]      netlink_unicast+0x449/0x710
[ 6704.127299][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6704.127299][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6704.127299][T12167]      ___sys_sendmsg+0xee/0x170
[ 6704.127299][T12167]      __sys_sendmsg+0xcd/0x170
[ 6704.127299][T12167]      do_syscall_64+0xc6/0x1e0
[ 6704.127299][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6704.127299][T12167] 
[ 6704.129557][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6704.129557][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6704.129557][T12167]      ipv6_find_idev+0x102/0x170
[ 6704.129557][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6704.129557][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6704.129557][T12167]      netlink_rcv_skb+0x130/0x360
[ 6704.129557][T12167]      netlink_unicast+0x449/0x710
[ 6704.129557][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6704.129557][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6704.129557][T12167]      ___sys_sendmsg+0xee/0x170
[ 6704.129557][T12167]      __sys_sendmsg+0xcd/0x170
[ 6704.129557][T12167]      do_syscall_64+0xc6/0x1e0
[ 6704.129557][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6704.129557][T12167] 
[ 6704.131289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6704.131289][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6704.131289][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6704.131289][T12167]      ipv6_find_idev+0x102/0x170
[ 6704.131289][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6704.131289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6704.131289][T12167]      netlink_rcv_skb+0x130/0x360
[ 6704.131289][T12167]      netlink_unicast+0x449/0x710
[ 6704.131289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6704.131289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6704.131289][T12167]      ___sys_sendmsg+0xee/0x170
[ 6704.131289][T12167]      __sys_sendmsg+0xcd/0x170
[ 6704.131289][T12167]      do_syscall_64+0xc6/0x1e0
[ 6704.131289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6704.131289][T12167] 
[ 6714.238810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6714.239295][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6714.239295][T12167]      netdev_get_by_index+0x5e/0x80
[ 6714.239295][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6714.239295][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6714.239295][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6714.239295][T12167]      ipv6_add_addr+0x411/0x2000
[ 6714.239295][T12167]      inet6_addr_add+0x30e/0xa40
[ 6714.239295][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6714.239295][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6714.239295][T12167]      netlink_rcv_skb+0x130/0x360
[ 6714.239295][T12167]      netlink_unicast+0x449/0x710
[ 6714.239295][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6714.239295][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6714.239295][T12167]      ___sys_sendmsg+0xee/0x170
[ 6714.239295][T12167]      __sys_sendmsg+0xcd/0x170
[ 6714.239295][T12167]      do_syscall_64+0xc6/0x1e0
[ 6714.239295][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6714.239295][T12167] 
[ 6714.241606][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6714.241606][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6714.241606][T12167]      ipv6_find_idev+0x102/0x170
[ 6714.241606][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6714.241606][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6714.241606][T12167]      netlink_rcv_skb+0x130/0x360
[ 6714.241606][T12167]      netlink_unicast+0x449/0x710
[ 6714.241606][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6714.241606][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6714.241606][T12167]      ___sys_sendmsg+0xee/0x170
[ 6714.241606][T12167]      __sys_sendmsg+0xcd/0x170
[ 6714.241606][T12167]      do_syscall_64+0xc6/0x1e0
[ 6714.241606][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6714.241606][T12167] 
[ 6714.243337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6714.243337][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6714.243337][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6714.243337][T12167]      ipv6_find_idev+0x102/0x170
[ 6714.243337][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6714.243337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6714.243337][T12167]      netlink_rcv_skb+0x130/0x360
[ 6714.243337][T12167]      netlink_unicast+0x449/0x710
[ 6714.243337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6714.243337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6714.243337][T12167]      ___sys_sendmsg+0xee/0x170
[ 6714.243337][T12167]      __sys_sendmsg+0xcd/0x170
[ 6714.243337][T12167]      do_syscall_64+0xc6/0x1e0
[ 6714.243337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6714.243337][T12167] 
[ 6724.494808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6724.495234][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6724.495234][T12167]      netdev_get_by_index+0x5e/0x80
[ 6724.495234][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6724.495234][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6724.495234][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6724.495234][T12167]      ipv6_add_addr+0x411/0x2000
[ 6724.495234][T12167]      inet6_addr_add+0x30e/0xa40
[ 6724.495234][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6724.495234][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6724.495234][T12167]      netlink_rcv_skb+0x130/0x360
[ 6724.495234][T12167]      netlink_unicast+0x449/0x710
[ 6724.495234][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6724.495234][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6724.495234][T12167]      ___sys_sendmsg+0xee/0x170
[ 6724.495234][T12167]      __sys_sendmsg+0xcd/0x170
[ 6724.495234][T12167]      do_syscall_64+0xc6/0x1e0
[ 6724.495234][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6724.495234][T12167] 
[ 6724.498043][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6724.498043][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6724.498043][T12167]      ipv6_find_idev+0x102/0x170
[ 6724.498043][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6724.498043][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6724.498043][T12167]      netlink_rcv_skb+0x130/0x360
[ 6724.498043][T12167]      netlink_unicast+0x449/0x710
[ 6724.498043][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6724.498043][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6724.498043][T12167]      ___sys_sendmsg+0xee/0x170
[ 6724.498043][T12167]      __sys_sendmsg+0xcd/0x170
[ 6724.498043][T12167]      do_syscall_64+0xc6/0x1e0
[ 6724.498043][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6724.498043][T12167] 
[ 6724.499782][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6724.499782][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6724.499782][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6724.499782][T12167]      ipv6_find_idev+0x102/0x170
[ 6724.499782][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6724.499782][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6724.499782][T12167]      netlink_rcv_skb+0x130/0x360
[ 6724.499782][T12167]      netlink_unicast+0x449/0x710
[ 6724.499782][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6724.499782][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6724.499782][T12167]      ___sys_sendmsg+0xee/0x170
[ 6724.499782][T12167]      __sys_sendmsg+0xcd/0x170
[ 6724.499782][T12167]      do_syscall_64+0xc6/0x1e0
[ 6724.499782][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6724.499782][T12167] 
[ 6734.750815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6734.751888][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6734.751888][T12167]      netdev_get_by_index+0x5e/0x80
[ 6734.751888][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6734.751888][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6734.751888][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6734.751888][T12167]      ipv6_add_addr+0x411/0x2000
[ 6734.751888][T12167]      inet6_addr_add+0x30e/0xa40
[ 6734.751888][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6734.751888][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6734.751888][T12167]      netlink_rcv_skb+0x130/0x360
[ 6734.751888][T12167]      netlink_unicast+0x449/0x710
[ 6734.751888][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6734.751888][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6734.751888][T12167]      ___sys_sendmsg+0xee/0x170
[ 6734.751888][T12167]      __sys_sendmsg+0xcd/0x170
[ 6734.751888][T12167]      do_syscall_64+0xc6/0x1e0
[ 6734.751888][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6734.751888][T12167] 
[ 6734.754226][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6734.754226][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6734.754226][T12167]      ipv6_find_idev+0x102/0x170
[ 6734.754226][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6734.754226][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6734.754226][T12167]      netlink_rcv_skb+0x130/0x360
[ 6734.754226][T12167]      netlink_unicast+0x449/0x710
[ 6734.754226][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6734.754226][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6734.754226][T12167]      ___sys_sendmsg+0xee/0x170
[ 6734.754226][T12167]      __sys_sendmsg+0xcd/0x170
[ 6734.754226][T12167]      do_syscall_64+0xc6/0x1e0
[ 6734.754226][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6734.754226][T12167] 
[ 6734.755998][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6734.755998][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6734.755998][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6734.755998][T12167]      ipv6_find_idev+0x102/0x170
[ 6734.755998][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6734.755998][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6734.755998][T12167]      netlink_rcv_skb+0x130/0x360
[ 6734.755998][T12167]      netlink_unicast+0x449/0x710
[ 6734.755998][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6734.755998][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6734.755998][T12167]      ___sys_sendmsg+0xee/0x170
[ 6734.755998][T12167]      __sys_sendmsg+0xcd/0x170
[ 6734.755998][T12167]      do_syscall_64+0xc6/0x1e0
[ 6734.755998][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6734.755998][T12167] 
[ 6744.894818][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6744.895312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6744.895312][T12167]      netdev_get_by_index+0x5e/0x80
[ 6744.895312][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6744.895312][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6744.895312][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6744.895312][T12167]      ipv6_add_addr+0x411/0x2000
[ 6744.895312][T12167]      inet6_addr_add+0x30e/0xa40
[ 6744.895312][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6744.895312][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6744.895312][T12167]      netlink_rcv_skb+0x130/0x360
[ 6744.895312][T12167]      netlink_unicast+0x449/0x710
[ 6744.895312][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6744.895312][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6744.895312][T12167]      ___sys_sendmsg+0xee/0x170
[ 6744.895312][T12167]      __sys_sendmsg+0xcd/0x170
[ 6744.895312][T12167]      do_syscall_64+0xc6/0x1e0
[ 6744.895312][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6744.895312][T12167] 
[ 6744.897615][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6744.897615][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6744.897615][T12167]      ipv6_find_idev+0x102/0x170
[ 6744.897615][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6744.897615][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6744.897615][T12167]      netlink_rcv_skb+0x130/0x360
[ 6744.897615][T12167]      netlink_unicast+0x449/0x710
[ 6744.897615][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6744.897615][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6744.897615][T12167]      ___sys_sendmsg+0xee/0x170
[ 6744.897615][T12167]      __sys_sendmsg+0xcd/0x170
[ 6744.897615][T12167]      do_syscall_64+0xc6/0x1e0
[ 6744.897615][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6744.897615][T12167] 
[ 6744.899370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6744.899370][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6744.899370][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6744.899370][T12167]      ipv6_find_idev+0x102/0x170
[ 6744.899370][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6744.899370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6744.899370][T12167]      netlink_rcv_skb+0x130/0x360
[ 6744.899370][T12167]      netlink_unicast+0x449/0x710
[ 6744.899370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6744.899370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6744.899370][T12167]      ___sys_sendmsg+0xee/0x170
[ 6744.899370][T12167]      __sys_sendmsg+0xcd/0x170
[ 6744.899370][T12167]      do_syscall_64+0xc6/0x1e0
[ 6744.899370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6744.899370][T12167] 
[ 6754.918814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6754.919335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6754.919335][T12167]      netdev_get_by_index+0x5e/0x80
[ 6754.919335][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6754.919335][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6754.919335][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6754.919335][T12167]      ipv6_add_addr+0x411/0x2000
[ 6754.919335][T12167]      inet6_addr_add+0x30e/0xa40
[ 6754.919335][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6754.919335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6754.919335][T12167]      netlink_rcv_skb+0x130/0x360
[ 6754.919335][T12167]      netlink_unicast+0x449/0x710
[ 6754.919335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6754.919335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6754.919335][T12167]      ___sys_sendmsg+0xee/0x170
[ 6754.919335][T12167]      __sys_sendmsg+0xcd/0x170
[ 6754.919335][T12167]      do_syscall_64+0xc6/0x1e0
[ 6754.919335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6754.919335][T12167] 
[ 6754.921616][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6754.921616][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6754.921616][T12167]      ipv6_find_idev+0x102/0x170
[ 6754.921616][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6754.921616][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6754.921616][T12167]      netlink_rcv_skb+0x130/0x360
[ 6754.921616][T12167]      netlink_unicast+0x449/0x710
[ 6754.921616][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6754.921616][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6754.921616][T12167]      ___sys_sendmsg+0xee/0x170
[ 6754.921616][T12167]      __sys_sendmsg+0xcd/0x170
[ 6754.921616][T12167]      do_syscall_64+0xc6/0x1e0
[ 6754.921616][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6754.921616][T12167] 
[ 6754.923358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6754.923358][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6754.923358][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6754.923358][T12167]      ipv6_find_idev+0x102/0x170
[ 6754.923358][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6754.923358][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6754.923358][T12167]      netlink_rcv_skb+0x130/0x360
[ 6754.923358][T12167]      netlink_unicast+0x449/0x710
[ 6754.923358][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6754.923358][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6754.923358][T12167]      ___sys_sendmsg+0xee/0x170
[ 6754.923358][T12167]      __sys_sendmsg+0xcd/0x170
[ 6754.923358][T12167]      do_syscall_64+0xc6/0x1e0
[ 6754.923358][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6754.923358][T12167] 
[ 6765.166821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6765.167362][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6765.167362][T12167]      netdev_get_by_index+0x5e/0x80
[ 6765.167362][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6765.167362][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6765.167362][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6765.167362][T12167]      ipv6_add_addr+0x411/0x2000
[ 6765.167362][T12167]      inet6_addr_add+0x30e/0xa40
[ 6765.167362][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6765.167362][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6765.167362][T12167]      netlink_rcv_skb+0x130/0x360
[ 6765.167362][T12167]      netlink_unicast+0x449/0x710
[ 6765.167362][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6765.167362][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6765.167362][T12167]      ___sys_sendmsg+0xee/0x170
[ 6765.167362][T12167]      __sys_sendmsg+0xcd/0x170
[ 6765.167362][T12167]      do_syscall_64+0xc6/0x1e0
[ 6765.167362][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6765.167362][T12167] 
[ 6765.169619][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6765.169619][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6765.169619][T12167]      ipv6_find_idev+0x102/0x170
[ 6765.169619][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6765.169619][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6765.169619][T12167]      netlink_rcv_skb+0x130/0x360
[ 6765.169619][T12167]      netlink_unicast+0x449/0x710
[ 6765.169619][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6765.169619][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6765.169619][T12167]      ___sys_sendmsg+0xee/0x170
[ 6765.169619][T12167]      __sys_sendmsg+0xcd/0x170
[ 6765.169619][T12167]      do_syscall_64+0xc6/0x1e0
[ 6765.169619][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6765.169619][T12167] 
[ 6765.171366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6765.171366][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6765.171366][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6765.171366][T12167]      ipv6_find_idev+0x102/0x170
[ 6765.171366][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6765.171366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6765.171366][T12167]      netlink_rcv_skb+0x130/0x360
[ 6765.171366][T12167]      netlink_unicast+0x449/0x710
[ 6765.171366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6765.171366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6765.171366][T12167]      ___sys_sendmsg+0xee/0x170
[ 6765.171366][T12167]      __sys_sendmsg+0xcd/0x170
[ 6765.171366][T12167]      do_syscall_64+0xc6/0x1e0
[ 6765.171366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6765.171366][T12167] 
[ 6775.414746][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6775.415262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6775.415262][T12167]      netdev_get_by_index+0x5e/0x80
[ 6775.415262][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6775.415262][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6775.415262][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6775.415262][T12167]      ipv6_add_addr+0x411/0x2000
[ 6775.415262][T12167]      inet6_addr_add+0x30e/0xa40
[ 6775.415262][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6775.415262][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6775.415262][T12167]      netlink_rcv_skb+0x130/0x360
[ 6775.415262][T12167]      netlink_unicast+0x449/0x710
[ 6775.415262][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6775.415262][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6775.415262][T12167]      ___sys_sendmsg+0xee/0x170
[ 6775.415262][T12167]      __sys_sendmsg+0xcd/0x170
[ 6775.415262][T12167]      do_syscall_64+0xc6/0x1e0
[ 6775.415262][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6775.415262][T12167] 
[ 6775.417519][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6775.417519][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6775.417519][T12167]      ipv6_find_idev+0x102/0x170
[ 6775.417519][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6775.417519][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6775.417519][T12167]      netlink_rcv_skb+0x130/0x360
[ 6775.417519][T12167]      netlink_unicast+0x449/0x710
[ 6775.417519][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6775.417519][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6775.417519][T12167]      ___sys_sendmsg+0xee/0x170
[ 6775.417519][T12167]      __sys_sendmsg+0xcd/0x170
[ 6775.417519][T12167]      do_syscall_64+0xc6/0x1e0
[ 6775.417519][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6775.417519][T12167] 
[ 6775.419253][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6775.419253][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6775.419253][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6775.419253][T12167]      ipv6_find_idev+0x102/0x170
[ 6775.419253][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6775.419253][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6775.419253][T12167]      netlink_rcv_skb+0x130/0x360
[ 6775.419253][T12167]      netlink_unicast+0x449/0x710
[ 6775.419253][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6775.419253][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6775.419253][T12167]      ___sys_sendmsg+0xee/0x170
[ 6775.419253][T12167]      __sys_sendmsg+0xcd/0x170
[ 6775.419253][T12167]      do_syscall_64+0xc6/0x1e0
[ 6775.419253][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6775.419253][T12167] 
[ 6785.662801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6785.663345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6785.663345][T12167]      netdev_get_by_index+0x5e/0x80
[ 6785.663345][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6785.663345][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6785.663345][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6785.663345][T12167]      ipv6_add_addr+0x411/0x2000
[ 6785.663345][T12167]      inet6_addr_add+0x30e/0xa40
[ 6785.663345][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6785.663345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6785.663345][T12167]      netlink_rcv_skb+0x130/0x360
[ 6785.663345][T12167]      netlink_unicast+0x449/0x710
[ 6785.663345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6785.663345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6785.663345][T12167]      ___sys_sendmsg+0xee/0x170
[ 6785.663345][T12167]      __sys_sendmsg+0xcd/0x170
[ 6785.663345][T12167]      do_syscall_64+0xc6/0x1e0
[ 6785.663345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6785.663345][T12167] 
[ 6785.665894][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6785.665894][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6785.665894][T12167]      ipv6_find_idev+0x102/0x170
[ 6785.665894][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6785.665894][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6785.665894][T12167]      netlink_rcv_skb+0x130/0x360
[ 6785.665894][T12167]      netlink_unicast+0x449/0x710
[ 6785.665894][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6785.665894][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6785.665894][T12167]      ___sys_sendmsg+0xee/0x170
[ 6785.665894][T12167]      __sys_sendmsg+0xcd/0x170
[ 6785.665894][T12167]      do_syscall_64+0xc6/0x1e0
[ 6785.665894][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6785.665894][T12167] 
[ 6785.667816][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6785.667816][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6785.667816][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6785.667816][T12167]      ipv6_find_idev+0x102/0x170
[ 6785.667816][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6785.667816][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6785.667816][T12167]      netlink_rcv_skb+0x130/0x360
[ 6785.667816][T12167]      netlink_unicast+0x449/0x710
[ 6785.667816][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6785.667816][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6785.667816][T12167]      ___sys_sendmsg+0xee/0x170
[ 6785.667816][T12167]      __sys_sendmsg+0xcd/0x170
[ 6785.667816][T12167]      do_syscall_64+0xc6/0x1e0
[ 6785.667816][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6785.667816][T12167] 
[ 6795.750803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6795.751348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6795.751348][T12167]      netdev_get_by_index+0x5e/0x80
[ 6795.751348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6795.751348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6795.751348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6795.751348][T12167]      ipv6_add_addr+0x411/0x2000
[ 6795.751348][T12167]      inet6_addr_add+0x30e/0xa40
[ 6795.751348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6795.751348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6795.751348][T12167]      netlink_rcv_skb+0x130/0x360
[ 6795.751348][T12167]      netlink_unicast+0x449/0x710
[ 6795.751348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6795.751348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6795.751348][T12167]      ___sys_sendmsg+0xee/0x170
[ 6795.751348][T12167]      __sys_sendmsg+0xcd/0x170
[ 6795.751348][T12167]      do_syscall_64+0xc6/0x1e0
[ 6795.751348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6795.751348][T12167] 
[ 6795.753901][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6795.753901][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6795.753901][T12167]      ipv6_find_idev+0x102/0x170
[ 6795.753901][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6795.753901][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6795.753901][T12167]      netlink_rcv_skb+0x130/0x360
[ 6795.753901][T12167]      netlink_unicast+0x449/0x710
[ 6795.753901][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6795.753901][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6795.753901][T12167]      ___sys_sendmsg+0xee/0x170
[ 6795.753901][T12167]      __sys_sendmsg+0xcd/0x170
[ 6795.753901][T12167]      do_syscall_64+0xc6/0x1e0
[ 6795.753901][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6795.753901][T12167] 
[ 6795.756369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6795.756369][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6795.756369][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6795.756369][T12167]      ipv6_find_idev+0x102/0x170
[ 6795.756369][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6795.756369][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6795.756369][T12167]      netlink_rcv_skb+0x130/0x360
[ 6795.756369][T12167]      netlink_unicast+0x449/0x710
[ 6795.756369][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6795.756369][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6795.756369][T12167]      ___sys_sendmsg+0xee/0x170
[ 6795.756369][T12167]      __sys_sendmsg+0xcd/0x170
[ 6795.756369][T12167]      do_syscall_64+0xc6/0x1e0
[ 6795.756369][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6795.756369][T12167] 
[ 6805.998809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6805.999332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6805.999332][T12167]      netdev_get_by_index+0x5e/0x80
[ 6805.999332][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6805.999332][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6805.999332][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6805.999332][T12167]      ipv6_add_addr+0x411/0x2000
[ 6805.999332][T12167]      inet6_addr_add+0x30e/0xa40
[ 6805.999332][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6805.999332][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6805.999332][T12167]      netlink_rcv_skb+0x130/0x360
[ 6805.999332][T12167]      netlink_unicast+0x449/0x710
[ 6805.999332][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6805.999332][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6805.999332][T12167]      ___sys_sendmsg+0xee/0x170
[ 6805.999332][T12167]      __sys_sendmsg+0xcd/0x170
[ 6805.999332][T12167]      do_syscall_64+0xc6/0x1e0
[ 6805.999332][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6805.999332][T12167] 
[ 6806.001670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6806.001670][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6806.001670][T12167]      ipv6_find_idev+0x102/0x170
[ 6806.001670][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6806.001670][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6806.001670][T12167]      netlink_rcv_skb+0x130/0x360
[ 6806.001670][T12167]      netlink_unicast+0x449/0x710
[ 6806.001670][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6806.001670][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6806.001670][T12167]      ___sys_sendmsg+0xee/0x170
[ 6806.001670][T12167]      __sys_sendmsg+0xcd/0x170
[ 6806.001670][T12167]      do_syscall_64+0xc6/0x1e0
[ 6806.001670][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6806.001670][T12167] 
[ 6806.003435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6806.003435][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6806.003435][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6806.003435][T12167]      ipv6_find_idev+0x102/0x170
[ 6806.003435][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6806.003435][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6806.003435][T12167]      netlink_rcv_skb+0x130/0x360
[ 6806.003435][T12167]      netlink_unicast+0x449/0x710
[ 6806.003435][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6806.003435][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6806.003435][T12167]      ___sys_sendmsg+0xee/0x170
[ 6806.003435][T12167]      __sys_sendmsg+0xcd/0x170
[ 6806.003435][T12167]      do_syscall_64+0xc6/0x1e0
[ 6806.003435][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6806.003435][T12167] 
[ 6816.102804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6816.103330][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6816.103330][T12167]      netdev_get_by_index+0x5e/0x80
[ 6816.103330][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6816.103330][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6816.103330][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6816.103330][T12167]      ipv6_add_addr+0x411/0x2000
[ 6816.103330][T12167]      inet6_addr_add+0x30e/0xa40
[ 6816.103330][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6816.103330][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6816.103330][T12167]      netlink_rcv_skb+0x130/0x360
[ 6816.103330][T12167]      netlink_unicast+0x449/0x710
[ 6816.103330][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6816.103330][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6816.103330][T12167]      ___sys_sendmsg+0xee/0x170
[ 6816.103330][T12167]      __sys_sendmsg+0xcd/0x170
[ 6816.103330][T12167]      do_syscall_64+0xc6/0x1e0
[ 6816.103330][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6816.103330][T12167] 
[ 6816.105663][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6816.105663][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6816.105663][T12167]      ipv6_find_idev+0x102/0x170
[ 6816.105663][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6816.105663][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6816.105663][T12167]      netlink_rcv_skb+0x130/0x360
[ 6816.105663][T12167]      netlink_unicast+0x449/0x710
[ 6816.105663][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6816.105663][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6816.105663][T12167]      ___sys_sendmsg+0xee/0x170
[ 6816.105663][T12167]      __sys_sendmsg+0xcd/0x170
[ 6816.105663][T12167]      do_syscall_64+0xc6/0x1e0
[ 6816.105663][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6816.105663][T12167] 
[ 6816.107426][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6816.107426][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6816.107426][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6816.107426][T12167]      ipv6_find_idev+0x102/0x170
[ 6816.107426][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6816.107426][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6816.107426][T12167]      netlink_rcv_skb+0x130/0x360
[ 6816.107426][T12167]      netlink_unicast+0x449/0x710
[ 6816.107426][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6816.107426][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6816.107426][T12167]      ___sys_sendmsg+0xee/0x170
[ 6816.107426][T12167]      __sys_sendmsg+0xcd/0x170
[ 6816.107426][T12167]      do_syscall_64+0xc6/0x1e0
[ 6816.107426][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6816.107426][T12167] 
[ 6826.350745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6826.351263][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6826.351263][T12167]      netdev_get_by_index+0x5e/0x80
[ 6826.351263][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6826.351263][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6826.351263][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6826.351263][T12167]      ipv6_add_addr+0x411/0x2000
[ 6826.351263][T12167]      inet6_addr_add+0x30e/0xa40
[ 6826.351263][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6826.351263][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6826.351263][T12167]      netlink_rcv_skb+0x130/0x360
[ 6826.351263][T12167]      netlink_unicast+0x449/0x710
[ 6826.351263][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6826.351263][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6826.351263][T12167]      ___sys_sendmsg+0xee/0x170
[ 6826.351263][T12167]      __sys_sendmsg+0xcd/0x170
[ 6826.351263][T12167]      do_syscall_64+0xc6/0x1e0
[ 6826.351263][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6826.351263][T12167] 
[ 6826.354092][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6826.354092][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6826.354092][T12167]      ipv6_find_idev+0x102/0x170
[ 6826.354092][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6826.354092][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6826.354092][T12167]      netlink_rcv_skb+0x130/0x360
[ 6826.354092][T12167]      netlink_unicast+0x449/0x710
[ 6826.354092][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6826.354092][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6826.354092][T12167]      ___sys_sendmsg+0xee/0x170
[ 6826.354092][T12167]      __sys_sendmsg+0xcd/0x170
[ 6826.354092][T12167]      do_syscall_64+0xc6/0x1e0
[ 6826.354092][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6826.354092][T12167] 
[ 6826.355850][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6826.355850][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6826.355850][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6826.355850][T12167]      ipv6_find_idev+0x102/0x170
[ 6826.355850][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6826.355850][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6826.355850][T12167]      netlink_rcv_skb+0x130/0x360
[ 6826.355850][T12167]      netlink_unicast+0x449/0x710
[ 6826.355850][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6826.355850][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6826.355850][T12167]      ___sys_sendmsg+0xee/0x170
[ 6826.355850][T12167]      __sys_sendmsg+0xcd/0x170
[ 6826.355850][T12167]      do_syscall_64+0xc6/0x1e0
[ 6826.355850][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6826.355850][T12167] 
[ 6836.598799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6836.599297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6836.599297][T12167]      netdev_get_by_index+0x5e/0x80
[ 6836.599297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6836.599297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6836.599297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6836.599297][T12167]      ipv6_add_addr+0x411/0x2000
[ 6836.599297][T12167]      inet6_addr_add+0x30e/0xa40
[ 6836.599297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6836.599297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6836.599297][T12167]      netlink_rcv_skb+0x130/0x360
[ 6836.599297][T12167]      netlink_unicast+0x449/0x710
[ 6836.599297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6836.599297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6836.599297][T12167]      ___sys_sendmsg+0xee/0x170
[ 6836.599297][T12167]      __sys_sendmsg+0xcd/0x170
[ 6836.599297][T12167]      do_syscall_64+0xc6/0x1e0
[ 6836.599297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6836.599297][T12167] 
[ 6836.601642][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6836.601642][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6836.601642][T12167]      ipv6_find_idev+0x102/0x170
[ 6836.601642][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6836.601642][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6836.601642][T12167]      netlink_rcv_skb+0x130/0x360
[ 6836.601642][T12167]      netlink_unicast+0x449/0x710
[ 6836.601642][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6836.601642][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6836.601642][T12167]      ___sys_sendmsg+0xee/0x170
[ 6836.601642][T12167]      __sys_sendmsg+0xcd/0x170
[ 6836.601642][T12167]      do_syscall_64+0xc6/0x1e0
[ 6836.601642][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6836.601642][T12167] 
[ 6836.603399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6836.603399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6836.603399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6836.603399][T12167]      ipv6_find_idev+0x102/0x170
[ 6836.603399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6836.603399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6836.603399][T12167]      netlink_rcv_skb+0x130/0x360
[ 6836.603399][T12167]      netlink_unicast+0x449/0x710
[ 6836.603399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6836.603399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6836.603399][T12167]      ___sys_sendmsg+0xee/0x170
[ 6836.603399][T12167]      __sys_sendmsg+0xcd/0x170
[ 6836.603399][T12167]      do_syscall_64+0xc6/0x1e0
[ 6836.603399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6836.603399][T12167] 
[ 6846.774808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6846.775300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6846.775300][T12167]      netdev_get_by_index+0x5e/0x80
[ 6846.775300][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6846.775300][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6846.775300][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6846.775300][T12167]      ipv6_add_addr+0x411/0x2000
[ 6846.775300][T12167]      inet6_addr_add+0x30e/0xa40
[ 6846.775300][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6846.775300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6846.775300][T12167]      netlink_rcv_skb+0x130/0x360
[ 6846.775300][T12167]      netlink_unicast+0x449/0x710
[ 6846.775300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6846.775300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6846.775300][T12167]      ___sys_sendmsg+0xee/0x170
[ 6846.775300][T12167]      __sys_sendmsg+0xcd/0x170
[ 6846.775300][T12167]      do_syscall_64+0xc6/0x1e0
[ 6846.775300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6846.775300][T12167] 
[ 6846.777586][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6846.777586][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6846.777586][T12167]      ipv6_find_idev+0x102/0x170
[ 6846.777586][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6846.777586][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6846.777586][T12167]      netlink_rcv_skb+0x130/0x360
[ 6846.777586][T12167]      netlink_unicast+0x449/0x710
[ 6846.777586][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6846.777586][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6846.777586][T12167]      ___sys_sendmsg+0xee/0x170
[ 6846.777586][T12167]      __sys_sendmsg+0xcd/0x170
[ 6846.777586][T12167]      do_syscall_64+0xc6/0x1e0
[ 6846.777586][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6846.777586][T12167] 
[ 6846.779318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6846.779318][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6846.779318][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6846.779318][T12167]      ipv6_find_idev+0x102/0x170
[ 6846.779318][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6846.779318][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6846.779318][T12167]      netlink_rcv_skb+0x130/0x360
[ 6846.779318][T12167]      netlink_unicast+0x449/0x710
[ 6846.779318][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6846.779318][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6846.779318][T12167]      ___sys_sendmsg+0xee/0x170
[ 6846.779318][T12167]      __sys_sendmsg+0xcd/0x170
[ 6846.779318][T12167]      do_syscall_64+0xc6/0x1e0
[ 6846.779318][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6846.779318][T12167] 
[ 6856.966878][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6856.967414][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6856.967414][T12167]      netdev_get_by_index+0x5e/0x80
[ 6856.967414][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6856.967414][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6856.967414][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6856.967414][T12167]      ipv6_add_addr+0x411/0x2000
[ 6856.967414][T12167]      inet6_addr_add+0x30e/0xa40
[ 6856.967414][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6856.967414][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6856.967414][T12167]      netlink_rcv_skb+0x130/0x360
[ 6856.967414][T12167]      netlink_unicast+0x449/0x710
[ 6856.967414][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6856.967414][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6856.967414][T12167]      ___sys_sendmsg+0xee/0x170
[ 6856.967414][T12167]      __sys_sendmsg+0xcd/0x170
[ 6856.967414][T12167]      do_syscall_64+0xc6/0x1e0
[ 6856.967414][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6856.967414][T12167] 
[ 6856.969674][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6856.969674][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6856.969674][T12167]      ipv6_find_idev+0x102/0x170
[ 6856.969674][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6856.969674][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6856.969674][T12167]      netlink_rcv_skb+0x130/0x360
[ 6856.969674][T12167]      netlink_unicast+0x449/0x710
[ 6856.969674][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6856.969674][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6856.969674][T12167]      ___sys_sendmsg+0xee/0x170
[ 6856.969674][T12167]      __sys_sendmsg+0xcd/0x170
[ 6856.969674][T12167]      do_syscall_64+0xc6/0x1e0
[ 6856.969674][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6856.969674][T12167] 
[ 6856.971435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6856.971435][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6856.971435][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6856.971435][T12167]      ipv6_find_idev+0x102/0x170
[ 6856.971435][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6856.971435][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6856.971435][T12167]      netlink_rcv_skb+0x130/0x360
[ 6856.971435][T12167]      netlink_unicast+0x449/0x710
[ 6856.971435][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6856.971435][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6856.971435][T12167]      ___sys_sendmsg+0xee/0x170
[ 6856.971435][T12167]      __sys_sendmsg+0xcd/0x170
[ 6856.971435][T12167]      do_syscall_64+0xc6/0x1e0
[ 6856.971435][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6856.971435][T12167] 
[ 6867.022805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6867.023321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6867.023321][T12167]      netdev_get_by_index+0x5e/0x80
[ 6867.023321][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6867.023321][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6867.023321][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6867.023321][T12167]      ipv6_add_addr+0x411/0x2000
[ 6867.023321][T12167]      inet6_addr_add+0x30e/0xa40
[ 6867.023321][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6867.023321][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6867.023321][T12167]      netlink_rcv_skb+0x130/0x360
[ 6867.023321][T12167]      netlink_unicast+0x449/0x710
[ 6867.023321][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6867.023321][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6867.023321][T12167]      ___sys_sendmsg+0xee/0x170
[ 6867.023321][T12167]      __sys_sendmsg+0xcd/0x170
[ 6867.023321][T12167]      do_syscall_64+0xc6/0x1e0
[ 6867.023321][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6867.023321][T12167] 
[ 6867.025859][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6867.025859][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6867.025859][T12167]      ipv6_find_idev+0x102/0x170
[ 6867.025859][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6867.025859][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6867.025859][T12167]      netlink_rcv_skb+0x130/0x360
[ 6867.025859][T12167]      netlink_unicast+0x449/0x710
[ 6867.025859][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6867.025859][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6867.025859][T12167]      ___sys_sendmsg+0xee/0x170
[ 6867.025859][T12167]      __sys_sendmsg+0xcd/0x170
[ 6867.025859][T12167]      do_syscall_64+0xc6/0x1e0
[ 6867.025859][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6867.025859][T12167] 
[ 6867.029484][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6867.029484][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6867.029484][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6867.029484][T12167]      ipv6_find_idev+0x102/0x170
[ 6867.029484][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6867.029484][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6867.029484][T12167]      netlink_rcv_skb+0x130/0x360
[ 6867.029484][T12167]      netlink_unicast+0x449/0x710
[ 6867.029484][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6867.029484][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6867.029484][T12167]      ___sys_sendmsg+0xee/0x170
[ 6867.029484][T12167]      __sys_sendmsg+0xcd/0x170
[ 6867.029484][T12167]      do_syscall_64+0xc6/0x1e0
[ 6867.029484][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6867.029484][T12167] 
[ 6877.270745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6877.271272][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6877.271272][T12167]      netdev_get_by_index+0x5e/0x80
[ 6877.271272][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6877.271272][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6877.271272][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6877.271272][T12167]      ipv6_add_addr+0x411/0x2000
[ 6877.271272][T12167]      inet6_addr_add+0x30e/0xa40
[ 6877.271272][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6877.271272][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6877.271272][T12167]      netlink_rcv_skb+0x130/0x360
[ 6877.271272][T12167]      netlink_unicast+0x449/0x710
[ 6877.271272][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6877.271272][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6877.271272][T12167]      ___sys_sendmsg+0xee/0x170
[ 6877.271272][T12167]      __sys_sendmsg+0xcd/0x170
[ 6877.271272][T12167]      do_syscall_64+0xc6/0x1e0
[ 6877.271272][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6877.271272][T12167] 
[ 6877.273570][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6877.273570][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6877.273570][T12167]      ipv6_find_idev+0x102/0x170
[ 6877.273570][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6877.273570][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6877.273570][T12167]      netlink_rcv_skb+0x130/0x360
[ 6877.273570][T12167]      netlink_unicast+0x449/0x710
[ 6877.273570][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6877.273570][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6877.273570][T12167]      ___sys_sendmsg+0xee/0x170
[ 6877.273570][T12167]      __sys_sendmsg+0xcd/0x170
[ 6877.273570][T12167]      do_syscall_64+0xc6/0x1e0
[ 6877.273570][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6877.273570][T12167] 
[ 6877.275319][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6877.275319][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6877.275319][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6877.275319][T12167]      ipv6_find_idev+0x102/0x170
[ 6877.275319][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6877.275319][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6877.275319][T12167]      netlink_rcv_skb+0x130/0x360
[ 6877.275319][T12167]      netlink_unicast+0x449/0x710
[ 6877.275319][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6877.275319][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6877.275319][T12167]      ___sys_sendmsg+0xee/0x170
[ 6877.275319][T12167]      __sys_sendmsg+0xcd/0x170
[ 6877.275319][T12167]      do_syscall_64+0xc6/0x1e0
[ 6877.275319][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6877.275319][T12167] 
[ 6887.518743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6887.519239][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6887.519239][T12167]      netdev_get_by_index+0x5e/0x80
[ 6887.519239][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6887.519239][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6887.519239][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6887.519239][T12167]      ipv6_add_addr+0x411/0x2000
[ 6887.519239][T12167]      inet6_addr_add+0x30e/0xa40
[ 6887.519239][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6887.519239][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6887.519239][T12167]      netlink_rcv_skb+0x130/0x360
[ 6887.519239][T12167]      netlink_unicast+0x449/0x710
[ 6887.519239][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6887.519239][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6887.519239][T12167]      ___sys_sendmsg+0xee/0x170
[ 6887.519239][T12167]      __sys_sendmsg+0xcd/0x170
[ 6887.519239][T12167]      do_syscall_64+0xc6/0x1e0
[ 6887.519239][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6887.519239][T12167] 
[ 6887.522096][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6887.522096][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6887.522096][T12167]      ipv6_find_idev+0x102/0x170
[ 6887.522096][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6887.522096][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6887.522096][T12167]      netlink_rcv_skb+0x130/0x360
[ 6887.522096][T12167]      netlink_unicast+0x449/0x710
[ 6887.522096][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6887.522096][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6887.522096][T12167]      ___sys_sendmsg+0xee/0x170
[ 6887.522096][T12167]      __sys_sendmsg+0xcd/0x170
[ 6887.522096][T12167]      do_syscall_64+0xc6/0x1e0
[ 6887.522096][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6887.522096][T12167] 
[ 6887.523870][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6887.523870][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6887.523870][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6887.523870][T12167]      ipv6_find_idev+0x102/0x170
[ 6887.523870][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6887.523870][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6887.523870][T12167]      netlink_rcv_skb+0x130/0x360
[ 6887.523870][T12167]      netlink_unicast+0x449/0x710
[ 6887.523870][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6887.523870][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6887.523870][T12167]      ___sys_sendmsg+0xee/0x170
[ 6887.523870][T12167]      __sys_sendmsg+0xcd/0x170
[ 6887.523870][T12167]      do_syscall_64+0xc6/0x1e0
[ 6887.523870][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6887.523870][T12167] 
[ 6897.766803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6897.767313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6897.767313][T12167]      netdev_get_by_index+0x5e/0x80
[ 6897.767313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6897.767313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6897.767313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6897.767313][T12167]      ipv6_add_addr+0x411/0x2000
[ 6897.767313][T12167]      inet6_addr_add+0x30e/0xa40
[ 6897.767313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6897.767313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6897.767313][T12167]      netlink_rcv_skb+0x130/0x360
[ 6897.767313][T12167]      netlink_unicast+0x449/0x710
[ 6897.767313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6897.767313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6897.767313][T12167]      ___sys_sendmsg+0xee/0x170
[ 6897.767313][T12167]      __sys_sendmsg+0xcd/0x170
[ 6897.767313][T12167]      do_syscall_64+0xc6/0x1e0
[ 6897.767313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6897.767313][T12167] 
[ 6897.769603][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6897.769603][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6897.769603][T12167]      ipv6_find_idev+0x102/0x170
[ 6897.769603][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6897.769603][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6897.769603][T12167]      netlink_rcv_skb+0x130/0x360
[ 6897.769603][T12167]      netlink_unicast+0x449/0x710
[ 6897.769603][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6897.769603][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6897.769603][T12167]      ___sys_sendmsg+0xee/0x170
[ 6897.769603][T12167]      __sys_sendmsg+0xcd/0x170
[ 6897.769603][T12167]      do_syscall_64+0xc6/0x1e0
[ 6897.769603][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6897.769603][T12167] 
[ 6897.771345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6897.771345][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6897.771345][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6897.771345][T12167]      ipv6_find_idev+0x102/0x170
[ 6897.771345][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6897.771345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6897.771345][T12167]      netlink_rcv_skb+0x130/0x360
[ 6897.771345][T12167]      netlink_unicast+0x449/0x710
[ 6897.771345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6897.771345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6897.771345][T12167]      ___sys_sendmsg+0xee/0x170
[ 6897.771345][T12167]      __sys_sendmsg+0xcd/0x170
[ 6897.771345][T12167]      do_syscall_64+0xc6/0x1e0
[ 6897.771345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6897.771345][T12167] 
[ 6907.782890][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6907.783412][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6907.783412][T12167]      netdev_get_by_index+0x5e/0x80
[ 6907.783412][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6907.783412][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6907.783412][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6907.783412][T12167]      ipv6_add_addr+0x411/0x2000
[ 6907.783412][T12167]      inet6_addr_add+0x30e/0xa40
[ 6907.783412][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6907.783412][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6907.783412][T12167]      netlink_rcv_skb+0x130/0x360
[ 6907.783412][T12167]      netlink_unicast+0x449/0x710
[ 6907.783412][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6907.783412][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6907.783412][T12167]      ___sys_sendmsg+0xee/0x170
[ 6907.783412][T12167]      __sys_sendmsg+0xcd/0x170
[ 6907.783412][T12167]      do_syscall_64+0xc6/0x1e0
[ 6907.783412][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6907.783412][T12167] 
[ 6907.785725][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6907.785725][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6907.785725][T12167]      ipv6_find_idev+0x102/0x170
[ 6907.785725][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6907.785725][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6907.785725][T12167]      netlink_rcv_skb+0x130/0x360
[ 6907.785725][T12167]      netlink_unicast+0x449/0x710
[ 6907.785725][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6907.785725][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6907.785725][T12167]      ___sys_sendmsg+0xee/0x170
[ 6907.785725][T12167]      __sys_sendmsg+0xcd/0x170
[ 6907.785725][T12167]      do_syscall_64+0xc6/0x1e0
[ 6907.785725][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6907.785725][T12167] 
[ 6907.787489][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6907.787489][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6907.787489][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6907.787489][T12167]      ipv6_find_idev+0x102/0x170
[ 6907.787489][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6907.787489][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6907.787489][T12167]      netlink_rcv_skb+0x130/0x360
[ 6907.787489][T12167]      netlink_unicast+0x449/0x710
[ 6907.787489][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6907.787489][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6907.787489][T12167]      ___sys_sendmsg+0xee/0x170
[ 6907.787489][T12167]      __sys_sendmsg+0xcd/0x170
[ 6907.787489][T12167]      do_syscall_64+0xc6/0x1e0
[ 6907.787489][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6907.787489][T12167] 
[ 6918.030814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6918.031315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6918.031315][T12167]      netdev_get_by_index+0x5e/0x80
[ 6918.031315][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6918.031315][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6918.031315][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6918.031315][T12167]      ipv6_add_addr+0x411/0x2000
[ 6918.031315][T12167]      inet6_addr_add+0x30e/0xa40
[ 6918.031315][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6918.031315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6918.031315][T12167]      netlink_rcv_skb+0x130/0x360
[ 6918.031315][T12167]      netlink_unicast+0x449/0x710
[ 6918.031315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6918.031315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6918.031315][T12167]      ___sys_sendmsg+0xee/0x170
[ 6918.031315][T12167]      __sys_sendmsg+0xcd/0x170
[ 6918.031315][T12167]      do_syscall_64+0xc6/0x1e0
[ 6918.031315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6918.031315][T12167] 
[ 6918.033631][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6918.033631][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6918.033631][T12167]      ipv6_find_idev+0x102/0x170
[ 6918.033631][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6918.033631][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6918.033631][T12167]      netlink_rcv_skb+0x130/0x360
[ 6918.033631][T12167]      netlink_unicast+0x449/0x710
[ 6918.033631][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6918.033631][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6918.033631][T12167]      ___sys_sendmsg+0xee/0x170
[ 6918.033631][T12167]      __sys_sendmsg+0xcd/0x170
[ 6918.033631][T12167]      do_syscall_64+0xc6/0x1e0
[ 6918.033631][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6918.033631][T12167] 
[ 6918.035389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6918.035389][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6918.035389][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6918.035389][T12167]      ipv6_find_idev+0x102/0x170
[ 6918.035389][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6918.035389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6918.035389][T12167]      netlink_rcv_skb+0x130/0x360
[ 6918.035389][T12167]      netlink_unicast+0x449/0x710
[ 6918.035389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6918.035389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6918.035389][T12167]      ___sys_sendmsg+0xee/0x170
[ 6918.035389][T12167]      __sys_sendmsg+0xcd/0x170
[ 6918.035389][T12167]      do_syscall_64+0xc6/0x1e0
[ 6918.035389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6918.035389][T12167] 
[ 6928.278748][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6928.279264][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6928.279264][T12167]      netdev_get_by_index+0x5e/0x80
[ 6928.279264][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6928.279264][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6928.279264][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6928.279264][T12167]      ipv6_add_addr+0x411/0x2000
[ 6928.279264][T12167]      inet6_addr_add+0x30e/0xa40
[ 6928.279264][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6928.279264][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6928.279264][T12167]      netlink_rcv_skb+0x130/0x360
[ 6928.279264][T12167]      netlink_unicast+0x449/0x710
[ 6928.279264][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6928.279264][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6928.279264][T12167]      ___sys_sendmsg+0xee/0x170
[ 6928.279264][T12167]      __sys_sendmsg+0xcd/0x170
[ 6928.279264][T12167]      do_syscall_64+0xc6/0x1e0
[ 6928.279264][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6928.279264][T12167] 
[ 6928.281542][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6928.281542][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6928.281542][T12167]      ipv6_find_idev+0x102/0x170
[ 6928.281542][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6928.281542][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6928.281542][T12167]      netlink_rcv_skb+0x130/0x360
[ 6928.281542][T12167]      netlink_unicast+0x449/0x710
[ 6928.281542][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6928.281542][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6928.281542][T12167]      ___sys_sendmsg+0xee/0x170
[ 6928.281542][T12167]      __sys_sendmsg+0xcd/0x170
[ 6928.281542][T12167]      do_syscall_64+0xc6/0x1e0
[ 6928.281542][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6928.281542][T12167] 
[ 6928.283289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6928.283289][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6928.283289][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6928.283289][T12167]      ipv6_find_idev+0x102/0x170
[ 6928.283289][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6928.283289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6928.283289][T12167]      netlink_rcv_skb+0x130/0x360
[ 6928.283289][T12167]      netlink_unicast+0x449/0x710
[ 6928.283289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6928.283289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6928.283289][T12167]      ___sys_sendmsg+0xee/0x170
[ 6928.283289][T12167]      __sys_sendmsg+0xcd/0x170
[ 6928.283289][T12167]      do_syscall_64+0xc6/0x1e0
[ 6928.283289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6928.283289][T12167] 
[ 6938.526796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6938.527306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6938.527306][T12167]      netdev_get_by_index+0x5e/0x80
[ 6938.527306][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6938.527306][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6938.527306][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6938.527306][T12167]      ipv6_add_addr+0x411/0x2000
[ 6938.527306][T12167]      inet6_addr_add+0x30e/0xa40
[ 6938.527306][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6938.527306][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6938.527306][T12167]      netlink_rcv_skb+0x130/0x360
[ 6938.527306][T12167]      netlink_unicast+0x449/0x710
[ 6938.527306][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6938.527306][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6938.527306][T12167]      ___sys_sendmsg+0xee/0x170
[ 6938.527306][T12167]      __sys_sendmsg+0xcd/0x170
[ 6938.527306][T12167]      do_syscall_64+0xc6/0x1e0
[ 6938.527306][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6938.527306][T12167] 
[ 6938.529591][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6938.529591][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6938.529591][T12167]      ipv6_find_idev+0x102/0x170
[ 6938.529591][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6938.529591][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6938.529591][T12167]      netlink_rcv_skb+0x130/0x360
[ 6938.529591][T12167]      netlink_unicast+0x449/0x710
[ 6938.529591][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6938.529591][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6938.529591][T12167]      ___sys_sendmsg+0xee/0x170
[ 6938.529591][T12167]      __sys_sendmsg+0xcd/0x170
[ 6938.529591][T12167]      do_syscall_64+0xc6/0x1e0
[ 6938.529591][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6938.529591][T12167] 
[ 6938.531346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6938.531346][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6938.531346][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6938.531346][T12167]      ipv6_find_idev+0x102/0x170
[ 6938.531346][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6938.531346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6938.531346][T12167]      netlink_rcv_skb+0x130/0x360
[ 6938.531346][T12167]      netlink_unicast+0x449/0x710
[ 6938.531346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6938.531346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6938.531346][T12167]      ___sys_sendmsg+0xee/0x170
[ 6938.531346][T12167]      __sys_sendmsg+0xcd/0x170
[ 6938.531346][T12167]      do_syscall_64+0xc6/0x1e0
[ 6938.531346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6938.531346][T12167] 
[ 6948.774806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6948.775322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6948.775322][T12167]      netdev_get_by_index+0x5e/0x80
[ 6948.775322][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6948.775322][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6948.775322][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6948.775322][T12167]      ipv6_add_addr+0x411/0x2000
[ 6948.775322][T12167]      inet6_addr_add+0x30e/0xa40
[ 6948.775322][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6948.775322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6948.775322][T12167]      netlink_rcv_skb+0x130/0x360
[ 6948.775322][T12167]      netlink_unicast+0x449/0x710
[ 6948.775322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6948.775322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6948.775322][T12167]      ___sys_sendmsg+0xee/0x170
[ 6948.775322][T12167]      __sys_sendmsg+0xcd/0x170
[ 6948.775322][T12167]      do_syscall_64+0xc6/0x1e0
[ 6948.775322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6948.775322][T12167] 
[ 6948.777624][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6948.777624][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6948.777624][T12167]      ipv6_find_idev+0x102/0x170
[ 6948.777624][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6948.777624][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6948.777624][T12167]      netlink_rcv_skb+0x130/0x360
[ 6948.777624][T12167]      netlink_unicast+0x449/0x710
[ 6948.777624][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6948.777624][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6948.777624][T12167]      ___sys_sendmsg+0xee/0x170
[ 6948.777624][T12167]      __sys_sendmsg+0xcd/0x170
[ 6948.777624][T12167]      do_syscall_64+0xc6/0x1e0
[ 6948.777624][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6948.777624][T12167] 
[ 6948.779373][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6948.779373][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6948.779373][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6948.779373][T12167]      ipv6_find_idev+0x102/0x170
[ 6948.779373][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6948.779373][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6948.779373][T12167]      netlink_rcv_skb+0x130/0x360
[ 6948.779373][T12167]      netlink_unicast+0x449/0x710
[ 6948.779373][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6948.779373][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6948.779373][T12167]      ___sys_sendmsg+0xee/0x170
[ 6948.779373][T12167]      __sys_sendmsg+0xcd/0x170
[ 6948.779373][T12167]      do_syscall_64+0xc6/0x1e0
[ 6948.779373][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6948.779373][T12167] 
[ 6959.022825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6959.023353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6959.023353][T12167]      netdev_get_by_index+0x5e/0x80
[ 6959.023353][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6959.023353][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6959.023353][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6959.023353][T12167]      ipv6_add_addr+0x411/0x2000
[ 6959.023353][T12167]      inet6_addr_add+0x30e/0xa40
[ 6959.023353][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6959.023353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6959.023353][T12167]      netlink_rcv_skb+0x130/0x360
[ 6959.023353][T12167]      netlink_unicast+0x449/0x710
[ 6959.023353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6959.023353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6959.023353][T12167]      ___sys_sendmsg+0xee/0x170
[ 6959.023353][T12167]      __sys_sendmsg+0xcd/0x170
[ 6959.023353][T12167]      do_syscall_64+0xc6/0x1e0
[ 6959.023353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6959.023353][T12167] 
[ 6959.025670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6959.025670][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6959.025670][T12167]      ipv6_find_idev+0x102/0x170
[ 6959.025670][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6959.025670][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6959.025670][T12167]      netlink_rcv_skb+0x130/0x360
[ 6959.025670][T12167]      netlink_unicast+0x449/0x710
[ 6959.025670][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6959.025670][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6959.025670][T12167]      ___sys_sendmsg+0xee/0x170
[ 6959.025670][T12167]      __sys_sendmsg+0xcd/0x170
[ 6959.025670][T12167]      do_syscall_64+0xc6/0x1e0
[ 6959.025670][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6959.025670][T12167] 
[ 6959.027985][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6959.027985][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6959.027985][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6959.027985][T12167]      ipv6_find_idev+0x102/0x170
[ 6959.027985][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6959.027985][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6959.027985][T12167]      netlink_rcv_skb+0x130/0x360
[ 6959.027985][T12167]      netlink_unicast+0x449/0x710
[ 6959.027985][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6959.027985][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6959.027985][T12167]      ___sys_sendmsg+0xee/0x170
[ 6959.027985][T12167]      __sys_sendmsg+0xcd/0x170
[ 6959.027985][T12167]      do_syscall_64+0xc6/0x1e0
[ 6959.027985][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6959.027985][T12167] 
[ 6969.270813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6969.271320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6969.271320][T12167]      netdev_get_by_index+0x5e/0x80
[ 6969.271320][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6969.271320][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6969.271320][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6969.271320][T12167]      ipv6_add_addr+0x411/0x2000
[ 6969.271320][T12167]      inet6_addr_add+0x30e/0xa40
[ 6969.271320][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6969.271320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6969.271320][T12167]      netlink_rcv_skb+0x130/0x360
[ 6969.271320][T12167]      netlink_unicast+0x449/0x710
[ 6969.271320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6969.271320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6969.271320][T12167]      ___sys_sendmsg+0xee/0x170
[ 6969.271320][T12167]      __sys_sendmsg+0xcd/0x170
[ 6969.271320][T12167]      do_syscall_64+0xc6/0x1e0
[ 6969.271320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6969.271320][T12167] 
[ 6969.273663][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6969.273663][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6969.273663][T12167]      ipv6_find_idev+0x102/0x170
[ 6969.273663][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6969.273663][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6969.273663][T12167]      netlink_rcv_skb+0x130/0x360
[ 6969.273663][T12167]      netlink_unicast+0x449/0x710
[ 6969.273663][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6969.273663][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6969.273663][T12167]      ___sys_sendmsg+0xee/0x170
[ 6969.273663][T12167]      __sys_sendmsg+0xcd/0x170
[ 6969.273663][T12167]      do_syscall_64+0xc6/0x1e0
[ 6969.273663][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6969.273663][T12167] 
[ 6969.275427][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6969.275427][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6969.275427][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6969.275427][T12167]      ipv6_find_idev+0x102/0x170
[ 6969.275427][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6969.275427][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6969.275427][T12167]      netlink_rcv_skb+0x130/0x360
[ 6969.275427][T12167]      netlink_unicast+0x449/0x710
[ 6969.275427][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6969.275427][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6969.275427][T12167]      ___sys_sendmsg+0xee/0x170
[ 6969.275427][T12167]      __sys_sendmsg+0xcd/0x170
[ 6969.275427][T12167]      do_syscall_64+0xc6/0x1e0
[ 6969.275427][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6969.275427][T12167] 
[ 6979.518732][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6979.519240][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6979.519240][T12167]      netdev_get_by_index+0x5e/0x80
[ 6979.519240][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6979.519240][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6979.519240][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6979.519240][T12167]      ipv6_add_addr+0x411/0x2000
[ 6979.519240][T12167]      inet6_addr_add+0x30e/0xa40
[ 6979.519240][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6979.519240][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6979.519240][T12167]      netlink_rcv_skb+0x130/0x360
[ 6979.519240][T12167]      netlink_unicast+0x449/0x710
[ 6979.519240][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6979.519240][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6979.519240][T12167]      ___sys_sendmsg+0xee/0x170
[ 6979.519240][T12167]      __sys_sendmsg+0xcd/0x170
[ 6979.519240][T12167]      do_syscall_64+0xc6/0x1e0
[ 6979.519240][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6979.519240][T12167] 
[ 6979.521532][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6979.521532][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6979.521532][T12167]      ipv6_find_idev+0x102/0x170
[ 6979.521532][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6979.521532][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6979.521532][T12167]      netlink_rcv_skb+0x130/0x360
[ 6979.521532][T12167]      netlink_unicast+0x449/0x710
[ 6979.521532][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6979.521532][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6979.521532][T12167]      ___sys_sendmsg+0xee/0x170
[ 6979.521532][T12167]      __sys_sendmsg+0xcd/0x170
[ 6979.521532][T12167]      do_syscall_64+0xc6/0x1e0
[ 6979.521532][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6979.521532][T12167] 
[ 6979.523324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6979.523324][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6979.523324][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6979.523324][T12167]      ipv6_find_idev+0x102/0x170
[ 6979.523324][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6979.523324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6979.523324][T12167]      netlink_rcv_skb+0x130/0x360
[ 6979.523324][T12167]      netlink_unicast+0x449/0x710
[ 6979.523324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6979.523324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6979.523324][T12167]      ___sys_sendmsg+0xee/0x170
[ 6979.523324][T12167]      __sys_sendmsg+0xcd/0x170
[ 6979.523324][T12167]      do_syscall_64+0xc6/0x1e0
[ 6979.523324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6979.523324][T12167] 
[ 6989.766806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 6989.767309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6989.767309][T12167]      netdev_get_by_index+0x5e/0x80
[ 6989.767309][T12167]      fib6_nh_init+0x3d8/0x1580
[ 6989.767309][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 6989.767309][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 6989.767309][T12167]      ipv6_add_addr+0x411/0x2000
[ 6989.767309][T12167]      inet6_addr_add+0x30e/0xa40
[ 6989.767309][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 6989.767309][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6989.767309][T12167]      netlink_rcv_skb+0x130/0x360
[ 6989.767309][T12167]      netlink_unicast+0x449/0x710
[ 6989.767309][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6989.767309][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6989.767309][T12167]      ___sys_sendmsg+0xee/0x170
[ 6989.767309][T12167]      __sys_sendmsg+0xcd/0x170
[ 6989.767309][T12167]      do_syscall_64+0xc6/0x1e0
[ 6989.767309][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6989.767309][T12167] 
[ 6989.769628][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6989.769628][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 6989.769628][T12167]      ipv6_find_idev+0x102/0x170
[ 6989.769628][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6989.769628][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6989.769628][T12167]      netlink_rcv_skb+0x130/0x360
[ 6989.769628][T12167]      netlink_unicast+0x449/0x710
[ 6989.769628][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6989.769628][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6989.769628][T12167]      ___sys_sendmsg+0xee/0x170
[ 6989.769628][T12167]      __sys_sendmsg+0xcd/0x170
[ 6989.769628][T12167]      do_syscall_64+0xc6/0x1e0
[ 6989.769628][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6989.769628][T12167] 
[ 6989.771389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 6989.771389][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 6989.771389][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 6989.771389][T12167]      ipv6_find_idev+0x102/0x170
[ 6989.771389][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6989.771389][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6989.771389][T12167]      netlink_rcv_skb+0x130/0x360
[ 6989.771389][T12167]      netlink_unicast+0x449/0x710
[ 6989.771389][T12167]      netlink_sendmsg+0x723/0xbe0
[ 6989.771389][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 6989.771389][T12167]      ___sys_sendmsg+0xee/0x170
[ 6989.771389][T12167]      __sys_sendmsg+0xcd/0x170
[ 6989.771389][T12167]      do_syscall_64+0xc6/0x1e0
[ 6989.771389][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6989.771389][T12167] 
[ 7000.014799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7000.015299][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7000.015299][T12167]      netdev_get_by_index+0x5e/0x80
[ 7000.015299][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7000.015299][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7000.015299][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7000.015299][T12167]      ipv6_add_addr+0x411/0x2000
[ 7000.015299][T12167]      inet6_addr_add+0x30e/0xa40
[ 7000.015299][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7000.015299][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7000.015299][T12167]      netlink_rcv_skb+0x130/0x360
[ 7000.015299][T12167]      netlink_unicast+0x449/0x710
[ 7000.015299][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7000.015299][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7000.015299][T12167]      ___sys_sendmsg+0xee/0x170
[ 7000.015299][T12167]      __sys_sendmsg+0xcd/0x170
[ 7000.015299][T12167]      do_syscall_64+0xc6/0x1e0
[ 7000.015299][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7000.015299][T12167] 
[ 7000.017640][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7000.017640][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7000.017640][T12167]      ipv6_find_idev+0x102/0x170
[ 7000.017640][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7000.017640][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7000.017640][T12167]      netlink_rcv_skb+0x130/0x360
[ 7000.017640][T12167]      netlink_unicast+0x449/0x710
[ 7000.017640][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7000.017640][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7000.017640][T12167]      ___sys_sendmsg+0xee/0x170
[ 7000.017640][T12167]      __sys_sendmsg+0xcd/0x170
[ 7000.017640][T12167]      do_syscall_64+0xc6/0x1e0
[ 7000.017640][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7000.017640][T12167] 
[ 7000.019413][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7000.019413][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7000.019413][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7000.019413][T12167]      ipv6_find_idev+0x102/0x170
[ 7000.019413][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7000.019413][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7000.019413][T12167]      netlink_rcv_skb+0x130/0x360
[ 7000.019413][T12167]      netlink_unicast+0x449/0x710
[ 7000.019413][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7000.019413][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7000.019413][T12167]      ___sys_sendmsg+0xee/0x170
[ 7000.019413][T12167]      __sys_sendmsg+0xcd/0x170
[ 7000.019413][T12167]      do_syscall_64+0xc6/0x1e0
[ 7000.019413][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7000.019413][T12167] 
[ 7010.270801][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7010.271322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7010.271322][T12167]      netdev_get_by_index+0x5e/0x80
[ 7010.271322][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7010.271322][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7010.271322][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7010.271322][T12167]      ipv6_add_addr+0x411/0x2000
[ 7010.271322][T12167]      inet6_addr_add+0x30e/0xa40
[ 7010.271322][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7010.271322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7010.271322][T12167]      netlink_rcv_skb+0x130/0x360
[ 7010.271322][T12167]      netlink_unicast+0x449/0x710
[ 7010.271322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7010.271322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7010.271322][T12167]      ___sys_sendmsg+0xee/0x170
[ 7010.271322][T12167]      __sys_sendmsg+0xcd/0x170
[ 7010.271322][T12167]      do_syscall_64+0xc6/0x1e0
[ 7010.271322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7010.271322][T12167] 
[ 7010.273707][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7010.273707][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7010.273707][T12167]      ipv6_find_idev+0x102/0x170
[ 7010.273707][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7010.273707][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7010.273707][T12167]      netlink_rcv_skb+0x130/0x360
[ 7010.273707][T12167]      netlink_unicast+0x449/0x710
[ 7010.273707][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7010.273707][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7010.273707][T12167]      ___sys_sendmsg+0xee/0x170
[ 7010.273707][T12167]      __sys_sendmsg+0xcd/0x170
[ 7010.273707][T12167]      do_syscall_64+0xc6/0x1e0
[ 7010.273707][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7010.273707][T12167] 
[ 7010.275491][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7010.275491][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7010.275491][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7010.275491][T12167]      ipv6_find_idev+0x102/0x170
[ 7010.275491][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7010.275491][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7010.275491][T12167]      netlink_rcv_skb+0x130/0x360
[ 7010.275491][T12167]      netlink_unicast+0x449/0x710
[ 7010.275491][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7010.275491][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7010.275491][T12167]      ___sys_sendmsg+0xee/0x170
[ 7010.275491][T12167]      __sys_sendmsg+0xcd/0x170
[ 7010.275491][T12167]      do_syscall_64+0xc6/0x1e0
[ 7010.275491][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7010.275491][T12167] 
[ 7020.518802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7020.519337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7020.519337][T12167]      netdev_get_by_index+0x5e/0x80
[ 7020.519337][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7020.519337][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7020.519337][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7020.519337][T12167]      ipv6_add_addr+0x411/0x2000
[ 7020.519337][T12167]      inet6_addr_add+0x30e/0xa40
[ 7020.519337][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7020.519337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7020.519337][T12167]      netlink_rcv_skb+0x130/0x360
[ 7020.519337][T12167]      netlink_unicast+0x449/0x710
[ 7020.519337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7020.519337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7020.519337][T12167]      ___sys_sendmsg+0xee/0x170
[ 7020.519337][T12167]      __sys_sendmsg+0xcd/0x170
[ 7020.519337][T12167]      do_syscall_64+0xc6/0x1e0
[ 7020.519337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7020.519337][T12167] 
[ 7020.521649][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7020.521649][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7020.521649][T12167]      ipv6_find_idev+0x102/0x170
[ 7020.521649][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7020.521649][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7020.521649][T12167]      netlink_rcv_skb+0x130/0x360
[ 7020.521649][T12167]      netlink_unicast+0x449/0x710
[ 7020.521649][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7020.521649][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7020.521649][T12167]      ___sys_sendmsg+0xee/0x170
[ 7020.521649][T12167]      __sys_sendmsg+0xcd/0x170
[ 7020.521649][T12167]      do_syscall_64+0xc6/0x1e0
[ 7020.521649][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7020.521649][T12167] 
[ 7020.523432][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7020.523432][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7020.523432][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7020.523432][T12167]      ipv6_find_idev+0x102/0x170
[ 7020.523432][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7020.523432][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7020.523432][T12167]      netlink_rcv_skb+0x130/0x360
[ 7020.523432][T12167]      netlink_unicast+0x449/0x710
[ 7020.523432][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7020.523432][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7020.523432][T12167]      ___sys_sendmsg+0xee/0x170
[ 7020.523432][T12167]      __sys_sendmsg+0xcd/0x170
[ 7020.523432][T12167]      do_syscall_64+0xc6/0x1e0
[ 7020.523432][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7020.523432][T12167] 
[ 7030.766808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7030.767333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7030.767333][T12167]      netdev_get_by_index+0x5e/0x80
[ 7030.767333][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7030.767333][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7030.767333][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7030.767333][T12167]      ipv6_add_addr+0x411/0x2000
[ 7030.767333][T12167]      inet6_addr_add+0x30e/0xa40
[ 7030.767333][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7030.767333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7030.767333][T12167]      netlink_rcv_skb+0x130/0x360
[ 7030.767333][T12167]      netlink_unicast+0x449/0x710
[ 7030.767333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7030.767333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7030.767333][T12167]      ___sys_sendmsg+0xee/0x170
[ 7030.767333][T12167]      __sys_sendmsg+0xcd/0x170
[ 7030.767333][T12167]      do_syscall_64+0xc6/0x1e0
[ 7030.767333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7030.767333][T12167] 
[ 7030.769639][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7030.769639][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7030.769639][T12167]      ipv6_find_idev+0x102/0x170
[ 7030.769639][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7030.769639][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7030.769639][T12167]      netlink_rcv_skb+0x130/0x360
[ 7030.769639][T12167]      netlink_unicast+0x449/0x710
[ 7030.769639][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7030.769639][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7030.769639][T12167]      ___sys_sendmsg+0xee/0x170
[ 7030.769639][T12167]      __sys_sendmsg+0xcd/0x170
[ 7030.769639][T12167]      do_syscall_64+0xc6/0x1e0
[ 7030.769639][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7030.769639][T12167] 
[ 7030.771434][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7030.771434][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7030.771434][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7030.771434][T12167]      ipv6_find_idev+0x102/0x170
[ 7030.771434][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7030.771434][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7030.771434][T12167]      netlink_rcv_skb+0x130/0x360
[ 7030.771434][T12167]      netlink_unicast+0x449/0x710
[ 7030.771434][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7030.771434][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7030.771434][T12167]      ___sys_sendmsg+0xee/0x170
[ 7030.771434][T12167]      __sys_sendmsg+0xcd/0x170
[ 7030.771434][T12167]      do_syscall_64+0xc6/0x1e0
[ 7030.771434][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7030.771434][T12167] 
[ 7040.990802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7040.991313][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7040.991313][T12167]      netdev_get_by_index+0x5e/0x80
[ 7040.991313][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7040.991313][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7040.991313][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7040.991313][T12167]      ipv6_add_addr+0x411/0x2000
[ 7040.991313][T12167]      inet6_addr_add+0x30e/0xa40
[ 7040.991313][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7040.991313][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7040.991313][T12167]      netlink_rcv_skb+0x130/0x360
[ 7040.991313][T12167]      netlink_unicast+0x449/0x710
[ 7040.991313][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7040.991313][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7040.991313][T12167]      ___sys_sendmsg+0xee/0x170
[ 7040.991313][T12167]      __sys_sendmsg+0xcd/0x170
[ 7040.991313][T12167]      do_syscall_64+0xc6/0x1e0
[ 7040.991313][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7040.991313][T12167] 
[ 7040.993580][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7040.993580][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7040.993580][T12167]      ipv6_find_idev+0x102/0x170
[ 7040.993580][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7040.993580][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7040.993580][T12167]      netlink_rcv_skb+0x130/0x360
[ 7040.993580][T12167]      netlink_unicast+0x449/0x710
[ 7040.993580][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7040.993580][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7040.993580][T12167]      ___sys_sendmsg+0xee/0x170
[ 7040.993580][T12167]      __sys_sendmsg+0xcd/0x170
[ 7040.993580][T12167]      do_syscall_64+0xc6/0x1e0
[ 7040.993580][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7040.993580][T12167] 
[ 7040.995314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7040.995314][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7040.995314][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7040.995314][T12167]      ipv6_find_idev+0x102/0x170
[ 7040.995314][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7040.995314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7040.995314][T12167]      netlink_rcv_skb+0x130/0x360
[ 7040.995314][T12167]      netlink_unicast+0x449/0x710
[ 7040.995314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7040.995314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7040.995314][T12167]      ___sys_sendmsg+0xee/0x170
[ 7040.995314][T12167]      __sys_sendmsg+0xcd/0x170
[ 7040.995314][T12167]      do_syscall_64+0xc6/0x1e0
[ 7040.995314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7040.995314][T12167] 
[ 7051.038795][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7051.039274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7051.039274][T12167]      netdev_get_by_index+0x5e/0x80
[ 7051.039274][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7051.039274][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7051.039274][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7051.039274][T12167]      ipv6_add_addr+0x411/0x2000
[ 7051.039274][T12167]      inet6_addr_add+0x30e/0xa40
[ 7051.039274][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7051.039274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7051.039274][T12167]      netlink_rcv_skb+0x130/0x360
[ 7051.039274][T12167]      netlink_unicast+0x449/0x710
[ 7051.039274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7051.039274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7051.039274][T12167]      ___sys_sendmsg+0xee/0x170
[ 7051.039274][T12167]      __sys_sendmsg+0xcd/0x170
[ 7051.039274][T12167]      do_syscall_64+0xc6/0x1e0
[ 7051.039274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7051.039274][T12167] 
[ 7051.041571][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7051.041571][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7051.041571][T12167]      ipv6_find_idev+0x102/0x170
[ 7051.041571][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7051.041571][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7051.041571][T12167]      netlink_rcv_skb+0x130/0x360
[ 7051.041571][T12167]      netlink_unicast+0x449/0x710
[ 7051.041571][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7051.041571][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7051.041571][T12167]      ___sys_sendmsg+0xee/0x170
[ 7051.041571][T12167]      __sys_sendmsg+0xcd/0x170
[ 7051.041571][T12167]      do_syscall_64+0xc6/0x1e0
[ 7051.041571][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7051.041571][T12167] 
[ 7051.043334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7051.043334][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7051.043334][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7051.043334][T12167]      ipv6_find_idev+0x102/0x170
[ 7051.043334][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7051.043334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7051.043334][T12167]      netlink_rcv_skb+0x130/0x360
[ 7051.043334][T12167]      netlink_unicast+0x449/0x710
[ 7051.043334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7051.043334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7051.043334][T12167]      ___sys_sendmsg+0xee/0x170
[ 7051.043334][T12167]      __sys_sendmsg+0xcd/0x170
[ 7051.043334][T12167]      do_syscall_64+0xc6/0x1e0
[ 7051.043334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7051.043334][T12167] 
[ 7061.294798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7061.295326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7061.295326][T12167]      netdev_get_by_index+0x5e/0x80
[ 7061.295326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7061.295326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7061.295326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7061.295326][T12167]      ipv6_add_addr+0x411/0x2000
[ 7061.295326][T12167]      inet6_addr_add+0x30e/0xa40
[ 7061.295326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7061.295326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7061.295326][T12167]      netlink_rcv_skb+0x130/0x360
[ 7061.295326][T12167]      netlink_unicast+0x449/0x710
[ 7061.295326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7061.295326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7061.295326][T12167]      ___sys_sendmsg+0xee/0x170
[ 7061.295326][T12167]      __sys_sendmsg+0xcd/0x170
[ 7061.295326][T12167]      do_syscall_64+0xc6/0x1e0
[ 7061.295326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7061.295326][T12167] 
[ 7061.297602][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7061.297602][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7061.297602][T12167]      ipv6_find_idev+0x102/0x170
[ 7061.297602][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7061.297602][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7061.297602][T12167]      netlink_rcv_skb+0x130/0x360
[ 7061.297602][T12167]      netlink_unicast+0x449/0x710
[ 7061.297602][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7061.297602][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7061.297602][T12167]      ___sys_sendmsg+0xee/0x170
[ 7061.297602][T12167]      __sys_sendmsg+0xcd/0x170
[ 7061.297602][T12167]      do_syscall_64+0xc6/0x1e0
[ 7061.297602][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7061.297602][T12167] 
[ 7061.299338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7061.299338][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7061.299338][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7061.299338][T12167]      ipv6_find_idev+0x102/0x170
[ 7061.299338][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7061.299338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7061.299338][T12167]      netlink_rcv_skb+0x130/0x360
[ 7061.299338][T12167]      netlink_unicast+0x449/0x710
[ 7061.299338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7061.299338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7061.299338][T12167]      ___sys_sendmsg+0xee/0x170
[ 7061.299338][T12167]      __sys_sendmsg+0xcd/0x170
[ 7061.299338][T12167]      do_syscall_64+0xc6/0x1e0
[ 7061.299338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7061.299338][T12167] 
[ 7071.550806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7071.551299][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7071.551299][T12167]      netdev_get_by_index+0x5e/0x80
[ 7071.551299][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7071.551299][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7071.551299][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7071.551299][T12167]      ipv6_add_addr+0x411/0x2000
[ 7071.551299][T12167]      inet6_addr_add+0x30e/0xa40
[ 7071.551299][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7071.551299][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7071.551299][T12167]      netlink_rcv_skb+0x130/0x360
[ 7071.551299][T12167]      netlink_unicast+0x449/0x710
[ 7071.551299][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7071.551299][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7071.551299][T12167]      ___sys_sendmsg+0xee/0x170
[ 7071.551299][T12167]      __sys_sendmsg+0xcd/0x170
[ 7071.551299][T12167]      do_syscall_64+0xc6/0x1e0
[ 7071.551299][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7071.551299][T12167] 
[ 7071.553585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7071.553585][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7071.553585][T12167]      ipv6_find_idev+0x102/0x170
[ 7071.553585][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7071.553585][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7071.553585][T12167]      netlink_rcv_skb+0x130/0x360
[ 7071.553585][T12167]      netlink_unicast+0x449/0x710
[ 7071.553585][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7071.553585][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7071.553585][T12167]      ___sys_sendmsg+0xee/0x170
[ 7071.553585][T12167]      __sys_sendmsg+0xcd/0x170
[ 7071.553585][T12167]      do_syscall_64+0xc6/0x1e0
[ 7071.553585][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7071.553585][T12167] 
[ 7071.555351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7071.555351][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7071.555351][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7071.555351][T12167]      ipv6_find_idev+0x102/0x170
[ 7071.555351][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7071.555351][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7071.555351][T12167]      netlink_rcv_skb+0x130/0x360
[ 7071.555351][T12167]      netlink_unicast+0x449/0x710
[ 7071.555351][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7071.555351][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7071.555351][T12167]      ___sys_sendmsg+0xee/0x170
[ 7071.555351][T12167]      __sys_sendmsg+0xcd/0x170
[ 7071.555351][T12167]      do_syscall_64+0xc6/0x1e0
[ 7071.555351][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7071.555351][T12167] 
[ 7081.806796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7081.807282][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7081.807282][T12167]      netdev_get_by_index+0x5e/0x80
[ 7081.807282][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7081.807282][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7081.807282][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7081.807282][T12167]      ipv6_add_addr+0x411/0x2000
[ 7081.807282][T12167]      inet6_addr_add+0x30e/0xa40
[ 7081.807282][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7081.807282][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7081.807282][T12167]      netlink_rcv_skb+0x130/0x360
[ 7081.807282][T12167]      netlink_unicast+0x449/0x710
[ 7081.807282][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7081.807282][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7081.807282][T12167]      ___sys_sendmsg+0xee/0x170
[ 7081.807282][T12167]      __sys_sendmsg+0xcd/0x170
[ 7081.807282][T12167]      do_syscall_64+0xc6/0x1e0
[ 7081.807282][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7081.807282][T12167] 
[ 7081.809587][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7081.809587][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7081.809587][T12167]      ipv6_find_idev+0x102/0x170
[ 7081.809587][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7081.809587][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7081.809587][T12167]      netlink_rcv_skb+0x130/0x360
[ 7081.809587][T12167]      netlink_unicast+0x449/0x710
[ 7081.809587][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7081.809587][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7081.809587][T12167]      ___sys_sendmsg+0xee/0x170
[ 7081.809587][T12167]      __sys_sendmsg+0xcd/0x170
[ 7081.809587][T12167]      do_syscall_64+0xc6/0x1e0
[ 7081.809587][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7081.809587][T12167] 
[ 7081.811343][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7081.811343][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7081.811343][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7081.811343][T12167]      ipv6_find_idev+0x102/0x170
[ 7081.811343][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7081.811343][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7081.811343][T12167]      netlink_rcv_skb+0x130/0x360
[ 7081.811343][T12167]      netlink_unicast+0x449/0x710
[ 7081.811343][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7081.811343][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7081.811343][T12167]      ___sys_sendmsg+0xee/0x170
[ 7081.811343][T12167]      __sys_sendmsg+0xcd/0x170
[ 7081.811343][T12167]      do_syscall_64+0xc6/0x1e0
[ 7081.811343][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7081.811343][T12167] 
[ 7092.062814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7092.063237][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7092.063237][T12167]      netdev_get_by_index+0x5e/0x80
[ 7092.063237][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7092.063237][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7092.063237][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7092.063237][T12167]      ipv6_add_addr+0x411/0x2000
[ 7092.063237][T12167]      inet6_addr_add+0x30e/0xa40
[ 7092.063237][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7092.063237][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7092.063237][T12167]      netlink_rcv_skb+0x130/0x360
[ 7092.063237][T12167]      netlink_unicast+0x449/0x710
[ 7092.063237][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7092.063237][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7092.063237][T12167]      ___sys_sendmsg+0xee/0x170
[ 7092.063237][T12167]      __sys_sendmsg+0xcd/0x170
[ 7092.063237][T12167]      do_syscall_64+0xc6/0x1e0
[ 7092.063237][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7092.063237][T12167] 
[ 7092.065552][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7092.065552][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7092.065552][T12167]      ipv6_find_idev+0x102/0x170
[ 7092.065552][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7092.065552][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7092.065552][T12167]      netlink_rcv_skb+0x130/0x360
[ 7092.065552][T12167]      netlink_unicast+0x449/0x710
[ 7092.065552][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7092.065552][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7092.065552][T12167]      ___sys_sendmsg+0xee/0x170
[ 7092.065552][T12167]      __sys_sendmsg+0xcd/0x170
[ 7092.065552][T12167]      do_syscall_64+0xc6/0x1e0
[ 7092.065552][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7092.065552][T12167] 
[ 7092.067304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7092.067304][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7092.067304][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7092.067304][T12167]      ipv6_find_idev+0x102/0x170
[ 7092.067304][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7092.067304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7092.067304][T12167]      netlink_rcv_skb+0x130/0x360
[ 7092.067304][T12167]      netlink_unicast+0x449/0x710
[ 7092.067304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7092.067304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7092.067304][T12167]      ___sys_sendmsg+0xee/0x170
[ 7092.067304][T12167]      __sys_sendmsg+0xcd/0x170
[ 7092.067304][T12167]      do_syscall_64+0xc6/0x1e0
[ 7092.067304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7092.067304][T12167] 
[ 7102.318810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7102.319348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7102.319348][T12167]      netdev_get_by_index+0x5e/0x80
[ 7102.319348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7102.319348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7102.319348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7102.319348][T12167]      ipv6_add_addr+0x411/0x2000
[ 7102.319348][T12167]      inet6_addr_add+0x30e/0xa40
[ 7102.319348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7102.319348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7102.319348][T12167]      netlink_rcv_skb+0x130/0x360
[ 7102.319348][T12167]      netlink_unicast+0x449/0x710
[ 7102.319348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7102.319348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7102.319348][T12167]      ___sys_sendmsg+0xee/0x170
[ 7102.319348][T12167]      __sys_sendmsg+0xcd/0x170
[ 7102.319348][T12167]      do_syscall_64+0xc6/0x1e0
[ 7102.319348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7102.319348][T12167] 
[ 7102.321650][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7102.321650][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7102.321650][T12167]      ipv6_find_idev+0x102/0x170
[ 7102.321650][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7102.321650][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7102.321650][T12167]      netlink_rcv_skb+0x130/0x360
[ 7102.321650][T12167]      netlink_unicast+0x449/0x710
[ 7102.321650][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7102.321650][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7102.321650][T12167]      ___sys_sendmsg+0xee/0x170
[ 7102.321650][T12167]      __sys_sendmsg+0xcd/0x170
[ 7102.321650][T12167]      do_syscall_64+0xc6/0x1e0
[ 7102.321650][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7102.321650][T12167] 
[ 7102.323442][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7102.323442][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7102.323442][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7102.323442][T12167]      ipv6_find_idev+0x102/0x170
[ 7102.323442][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7102.323442][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7102.323442][T12167]      netlink_rcv_skb+0x130/0x360
[ 7102.323442][T12167]      netlink_unicast+0x449/0x710
[ 7102.323442][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7102.323442][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7102.323442][T12167]      ___sys_sendmsg+0xee/0x170
[ 7102.323442][T12167]      __sys_sendmsg+0xcd/0x170
[ 7102.323442][T12167]      do_syscall_64+0xc6/0x1e0
[ 7102.323442][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7102.323442][T12167] 
[ 7112.470807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7112.471331][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7112.471331][T12167]      netdev_get_by_index+0x5e/0x80
[ 7112.471331][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7112.471331][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7112.471331][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7112.471331][T12167]      ipv6_add_addr+0x411/0x2000
[ 7112.471331][T12167]      inet6_addr_add+0x30e/0xa40
[ 7112.471331][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7112.471331][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7112.471331][T12167]      netlink_rcv_skb+0x130/0x360
[ 7112.471331][T12167]      netlink_unicast+0x449/0x710
[ 7112.471331][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7112.471331][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7112.471331][T12167]      ___sys_sendmsg+0xee/0x170
[ 7112.471331][T12167]      __sys_sendmsg+0xcd/0x170
[ 7112.471331][T12167]      do_syscall_64+0xc6/0x1e0
[ 7112.471331][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7112.471331][T12167] 
[ 7112.473642][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7112.473642][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7112.473642][T12167]      ipv6_find_idev+0x102/0x170
[ 7112.473642][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7112.473642][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7112.473642][T12167]      netlink_rcv_skb+0x130/0x360
[ 7112.473642][T12167]      netlink_unicast+0x449/0x710
[ 7112.473642][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7112.473642][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7112.473642][T12167]      ___sys_sendmsg+0xee/0x170
[ 7112.473642][T12167]      __sys_sendmsg+0xcd/0x170
[ 7112.473642][T12167]      do_syscall_64+0xc6/0x1e0
[ 7112.473642][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7112.473642][T12167] 
[ 7112.475410][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7112.475410][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7112.475410][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7112.475410][T12167]      ipv6_find_idev+0x102/0x170
[ 7112.475410][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7112.475410][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7112.475410][T12167]      netlink_rcv_skb+0x130/0x360
[ 7112.475410][T12167]      netlink_unicast+0x449/0x710
[ 7112.475410][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7112.475410][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7112.475410][T12167]      ___sys_sendmsg+0xee/0x170
[ 7112.475410][T12167]      __sys_sendmsg+0xcd/0x170
[ 7112.475410][T12167]      do_syscall_64+0xc6/0x1e0
[ 7112.475410][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7112.475410][T12167] 
[ 7122.718750][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7122.719274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7122.719274][T12167]      netdev_get_by_index+0x5e/0x80
[ 7122.719274][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7122.719274][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7122.719274][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7122.719274][T12167]      ipv6_add_addr+0x411/0x2000
[ 7122.719274][T12167]      inet6_addr_add+0x30e/0xa40
[ 7122.719274][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7122.719274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7122.719274][T12167]      netlink_rcv_skb+0x130/0x360
[ 7122.719274][T12167]      netlink_unicast+0x449/0x710
[ 7122.719274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7122.719274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7122.719274][T12167]      ___sys_sendmsg+0xee/0x170
[ 7122.719274][T12167]      __sys_sendmsg+0xcd/0x170
[ 7122.719274][T12167]      do_syscall_64+0xc6/0x1e0
[ 7122.719274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7122.719274][T12167] 
[ 7122.721587][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7122.721587][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7122.721587][T12167]      ipv6_find_idev+0x102/0x170
[ 7122.721587][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7122.721587][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7122.721587][T12167]      netlink_rcv_skb+0x130/0x360
[ 7122.721587][T12167]      netlink_unicast+0x449/0x710
[ 7122.721587][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7122.721587][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7122.721587][T12167]      ___sys_sendmsg+0xee/0x170
[ 7122.721587][T12167]      __sys_sendmsg+0xcd/0x170
[ 7122.721587][T12167]      do_syscall_64+0xc6/0x1e0
[ 7122.721587][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7122.721587][T12167] 
[ 7122.723365][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7122.723365][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7122.723365][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7122.723365][T12167]      ipv6_find_idev+0x102/0x170
[ 7122.723365][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7122.723365][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7122.723365][T12167]      netlink_rcv_skb+0x130/0x360
[ 7122.723365][T12167]      netlink_unicast+0x449/0x710
[ 7122.723365][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7122.723365][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7122.723365][T12167]      ___sys_sendmsg+0xee/0x170
[ 7122.723365][T12167]      __sys_sendmsg+0xcd/0x170
[ 7122.723365][T12167]      do_syscall_64+0xc6/0x1e0
[ 7122.723365][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7122.723365][T12167] 
[ 7132.966805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7132.967322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7132.967322][T12167]      netdev_get_by_index+0x5e/0x80
[ 7132.967322][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7132.967322][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7132.967322][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7132.967322][T12167]      ipv6_add_addr+0x411/0x2000
[ 7132.967322][T12167]      inet6_addr_add+0x30e/0xa40
[ 7132.967322][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7132.967322][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7132.967322][T12167]      netlink_rcv_skb+0x130/0x360
[ 7132.967322][T12167]      netlink_unicast+0x449/0x710
[ 7132.967322][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7132.967322][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7132.967322][T12167]      ___sys_sendmsg+0xee/0x170
[ 7132.967322][T12167]      __sys_sendmsg+0xcd/0x170
[ 7132.967322][T12167]      do_syscall_64+0xc6/0x1e0
[ 7132.967322][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7132.967322][T12167] 
[ 7132.970182][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7132.970182][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7132.970182][T12167]      ipv6_find_idev+0x102/0x170
[ 7132.970182][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7132.970182][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7132.970182][T12167]      netlink_rcv_skb+0x130/0x360
[ 7132.970182][T12167]      netlink_unicast+0x449/0x710
[ 7132.970182][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7132.970182][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7132.970182][T12167]      ___sys_sendmsg+0xee/0x170
[ 7132.970182][T12167]      __sys_sendmsg+0xcd/0x170
[ 7132.970182][T12167]      do_syscall_64+0xc6/0x1e0
[ 7132.970182][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7132.970182][T12167] 
[ 7132.971952][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7132.971952][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7132.971952][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7132.971952][T12167]      ipv6_find_idev+0x102/0x170
[ 7132.971952][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7132.971952][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7132.971952][T12167]      netlink_rcv_skb+0x130/0x360
[ 7132.971952][T12167]      netlink_unicast+0x449/0x710
[ 7132.971952][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7132.971952][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7132.971952][T12167]      ___sys_sendmsg+0xee/0x170
[ 7132.971952][T12167]      __sys_sendmsg+0xcd/0x170
[ 7132.971952][T12167]      do_syscall_64+0xc6/0x1e0
[ 7132.971952][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7132.971952][T12167] 
[ 7143.214813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7143.215334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7143.215334][T12167]      netdev_get_by_index+0x5e/0x80
[ 7143.215334][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7143.215334][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7143.215334][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7143.215334][T12167]      ipv6_add_addr+0x411/0x2000
[ 7143.215334][T12167]      inet6_addr_add+0x30e/0xa40
[ 7143.215334][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7143.215334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7143.215334][T12167]      netlink_rcv_skb+0x130/0x360
[ 7143.215334][T12167]      netlink_unicast+0x449/0x710
[ 7143.215334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7143.215334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7143.215334][T12167]      ___sys_sendmsg+0xee/0x170
[ 7143.215334][T12167]      __sys_sendmsg+0xcd/0x170
[ 7143.215334][T12167]      do_syscall_64+0xc6/0x1e0
[ 7143.215334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7143.215334][T12167] 
[ 7143.217662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7143.217662][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7143.217662][T12167]      ipv6_find_idev+0x102/0x170
[ 7143.217662][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7143.217662][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7143.217662][T12167]      netlink_rcv_skb+0x130/0x360
[ 7143.217662][T12167]      netlink_unicast+0x449/0x710
[ 7143.217662][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7143.217662][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7143.217662][T12167]      ___sys_sendmsg+0xee/0x170
[ 7143.217662][T12167]      __sys_sendmsg+0xcd/0x170
[ 7143.217662][T12167]      do_syscall_64+0xc6/0x1e0
[ 7143.217662][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7143.217662][T12167] 
[ 7143.219431][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7143.219431][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7143.219431][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7143.219431][T12167]      ipv6_find_idev+0x102/0x170
[ 7143.219431][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7143.219431][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7143.219431][T12167]      netlink_rcv_skb+0x130/0x360
[ 7143.219431][T12167]      netlink_unicast+0x449/0x710
[ 7143.219431][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7143.219431][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7143.219431][T12167]      ___sys_sendmsg+0xee/0x170
[ 7143.219431][T12167]      __sys_sendmsg+0xcd/0x170
[ 7143.219431][T12167]      do_syscall_64+0xc6/0x1e0
[ 7143.219431][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7143.219431][T12167] 
[ 7153.462748][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7153.463256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7153.463256][T12167]      netdev_get_by_index+0x5e/0x80
[ 7153.463256][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7153.463256][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7153.463256][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7153.463256][T12167]      ipv6_add_addr+0x411/0x2000
[ 7153.463256][T12167]      inet6_addr_add+0x30e/0xa40
[ 7153.463256][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7153.463256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7153.463256][T12167]      netlink_rcv_skb+0x130/0x360
[ 7153.463256][T12167]      netlink_unicast+0x449/0x710
[ 7153.463256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7153.463256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7153.463256][T12167]      ___sys_sendmsg+0xee/0x170
[ 7153.463256][T12167]      __sys_sendmsg+0xcd/0x170
[ 7153.463256][T12167]      do_syscall_64+0xc6/0x1e0
[ 7153.463256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7153.463256][T12167] 
[ 7153.465596][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7153.465596][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7153.465596][T12167]      ipv6_find_idev+0x102/0x170
[ 7153.465596][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7153.465596][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7153.465596][T12167]      netlink_rcv_skb+0x130/0x360
[ 7153.465596][T12167]      netlink_unicast+0x449/0x710
[ 7153.465596][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7153.465596][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7153.465596][T12167]      ___sys_sendmsg+0xee/0x170
[ 7153.465596][T12167]      __sys_sendmsg+0xcd/0x170
[ 7153.465596][T12167]      do_syscall_64+0xc6/0x1e0
[ 7153.465596][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7153.465596][T12167] 
[ 7153.469481][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7153.469481][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7153.469481][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7153.469481][T12167]      ipv6_find_idev+0x102/0x170
[ 7153.469481][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7153.469481][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7153.469481][T12167]      netlink_rcv_skb+0x130/0x360
[ 7153.469481][T12167]      netlink_unicast+0x449/0x710
[ 7153.469481][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7153.469481][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7153.469481][T12167]      ___sys_sendmsg+0xee/0x170
[ 7153.469481][T12167]      __sys_sendmsg+0xcd/0x170
[ 7153.469481][T12167]      do_syscall_64+0xc6/0x1e0
[ 7153.469481][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7153.469481][T12167] 
[ 7163.710752][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7163.711263][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7163.711263][T12167]      netdev_get_by_index+0x5e/0x80
[ 7163.711263][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7163.711263][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7163.711263][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7163.711263][T12167]      ipv6_add_addr+0x411/0x2000
[ 7163.711263][T12167]      inet6_addr_add+0x30e/0xa40
[ 7163.711263][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7163.711263][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7163.711263][T12167]      netlink_rcv_skb+0x130/0x360
[ 7163.711263][T12167]      netlink_unicast+0x449/0x710
[ 7163.711263][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7163.711263][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7163.711263][T12167]      ___sys_sendmsg+0xee/0x170
[ 7163.711263][T12167]      __sys_sendmsg+0xcd/0x170
[ 7163.711263][T12167]      do_syscall_64+0xc6/0x1e0
[ 7163.711263][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7163.711263][T12167] 
[ 7163.713611][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7163.713611][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7163.713611][T12167]      ipv6_find_idev+0x102/0x170
[ 7163.713611][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7163.713611][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7163.713611][T12167]      netlink_rcv_skb+0x130/0x360
[ 7163.713611][T12167]      netlink_unicast+0x449/0x710
[ 7163.713611][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7163.713611][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7163.713611][T12167]      ___sys_sendmsg+0xee/0x170
[ 7163.713611][T12167]      __sys_sendmsg+0xcd/0x170
[ 7163.713611][T12167]      do_syscall_64+0xc6/0x1e0
[ 7163.713611][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7163.713611][T12167] 
[ 7163.715955][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7163.715955][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7163.715955][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7163.715955][T12167]      ipv6_find_idev+0x102/0x170
[ 7163.715955][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7163.715955][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7163.715955][T12167]      netlink_rcv_skb+0x130/0x360
[ 7163.715955][T12167]      netlink_unicast+0x449/0x710
[ 7163.715955][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7163.715955][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7163.715955][T12167]      ___sys_sendmsg+0xee/0x170
[ 7163.715955][T12167]      __sys_sendmsg+0xcd/0x170
[ 7163.715955][T12167]      do_syscall_64+0xc6/0x1e0
[ 7163.715955][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7163.715955][T12167] 
[ 7173.958741][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7173.959234][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7173.959234][T12167]      netdev_get_by_index+0x5e/0x80
[ 7173.959234][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7173.959234][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7173.959234][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7173.959234][T12167]      ipv6_add_addr+0x411/0x2000
[ 7173.959234][T12167]      inet6_addr_add+0x30e/0xa40
[ 7173.959234][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7173.959234][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7173.959234][T12167]      netlink_rcv_skb+0x130/0x360
[ 7173.959234][T12167]      netlink_unicast+0x449/0x710
[ 7173.959234][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7173.959234][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7173.959234][T12167]      ___sys_sendmsg+0xee/0x170
[ 7173.959234][T12167]      __sys_sendmsg+0xcd/0x170
[ 7173.959234][T12167]      do_syscall_64+0xc6/0x1e0
[ 7173.959234][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7173.959234][T12167] 
[ 7173.961580][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7173.961580][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7173.961580][T12167]      ipv6_find_idev+0x102/0x170
[ 7173.961580][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7173.961580][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7173.961580][T12167]      netlink_rcv_skb+0x130/0x360
[ 7173.961580][T12167]      netlink_unicast+0x449/0x710
[ 7173.961580][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7173.961580][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7173.961580][T12167]      ___sys_sendmsg+0xee/0x170
[ 7173.961580][T12167]      __sys_sendmsg+0xcd/0x170
[ 7173.961580][T12167]      do_syscall_64+0xc6/0x1e0
[ 7173.961580][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7173.961580][T12167] 
[ 7173.963377][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7173.963377][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7173.963377][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7173.963377][T12167]      ipv6_find_idev+0x102/0x170
[ 7173.963377][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7173.963377][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7173.963377][T12167]      netlink_rcv_skb+0x130/0x360
[ 7173.963377][T12167]      netlink_unicast+0x449/0x710
[ 7173.963377][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7173.963377][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7173.963377][T12167]      ___sys_sendmsg+0xee/0x170
[ 7173.963377][T12167]      __sys_sendmsg+0xcd/0x170
[ 7173.963377][T12167]      do_syscall_64+0xc6/0x1e0
[ 7173.963377][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7173.963377][T12167] 
[ 7184.206819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7184.207356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7184.207356][T12167]      netdev_get_by_index+0x5e/0x80
[ 7184.207356][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7184.207356][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7184.207356][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7184.207356][T12167]      ipv6_add_addr+0x411/0x2000
[ 7184.207356][T12167]      inet6_addr_add+0x30e/0xa40
[ 7184.207356][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7184.207356][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7184.207356][T12167]      netlink_rcv_skb+0x130/0x360
[ 7184.207356][T12167]      netlink_unicast+0x449/0x710
[ 7184.207356][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7184.207356][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7184.207356][T12167]      ___sys_sendmsg+0xee/0x170
[ 7184.207356][T12167]      __sys_sendmsg+0xcd/0x170
[ 7184.207356][T12167]      do_syscall_64+0xc6/0x1e0
[ 7184.207356][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7184.207356][T12167] 
[ 7184.209654][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7184.209654][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7184.209654][T12167]      ipv6_find_idev+0x102/0x170
[ 7184.209654][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7184.209654][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7184.209654][T12167]      netlink_rcv_skb+0x130/0x360
[ 7184.209654][T12167]      netlink_unicast+0x449/0x710
[ 7184.209654][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7184.209654][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7184.209654][T12167]      ___sys_sendmsg+0xee/0x170
[ 7184.209654][T12167]      __sys_sendmsg+0xcd/0x170
[ 7184.209654][T12167]      do_syscall_64+0xc6/0x1e0
[ 7184.209654][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7184.209654][T12167] 
[ 7184.211423][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7184.211423][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7184.211423][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7184.211423][T12167]      ipv6_find_idev+0x102/0x170
[ 7184.211423][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7184.211423][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7184.211423][T12167]      netlink_rcv_skb+0x130/0x360
[ 7184.211423][T12167]      netlink_unicast+0x449/0x710
[ 7184.211423][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7184.211423][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7184.211423][T12167]      ___sys_sendmsg+0xee/0x170
[ 7184.211423][T12167]      __sys_sendmsg+0xcd/0x170
[ 7184.211423][T12167]      do_syscall_64+0xc6/0x1e0
[ 7184.211423][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7184.211423][T12167] 
[ 7194.454819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7194.455371][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7194.455371][T12167]      netdev_get_by_index+0x5e/0x80
[ 7194.455371][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7194.455371][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7194.455371][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7194.455371][T12167]      ipv6_add_addr+0x411/0x2000
[ 7194.455371][T12167]      inet6_addr_add+0x30e/0xa40
[ 7194.455371][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7194.455371][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7194.455371][T12167]      netlink_rcv_skb+0x130/0x360
[ 7194.455371][T12167]      netlink_unicast+0x449/0x710
[ 7194.455371][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7194.455371][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7194.455371][T12167]      ___sys_sendmsg+0xee/0x170
[ 7194.455371][T12167]      __sys_sendmsg+0xcd/0x170
[ 7194.455371][T12167]      do_syscall_64+0xc6/0x1e0
[ 7194.455371][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7194.455371][T12167] 
[ 7194.457692][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7194.457692][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7194.457692][T12167]      ipv6_find_idev+0x102/0x170
[ 7194.457692][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7194.457692][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7194.457692][T12167]      netlink_rcv_skb+0x130/0x360
[ 7194.457692][T12167]      netlink_unicast+0x449/0x710
[ 7194.457692][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7194.457692][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7194.457692][T12167]      ___sys_sendmsg+0xee/0x170
[ 7194.457692][T12167]      __sys_sendmsg+0xcd/0x170
[ 7194.457692][T12167]      do_syscall_64+0xc6/0x1e0
[ 7194.457692][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7194.457692][T12167] 
[ 7194.459458][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7194.459458][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7194.459458][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7194.459458][T12167]      ipv6_find_idev+0x102/0x170
[ 7194.459458][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7194.459458][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7194.459458][T12167]      netlink_rcv_skb+0x130/0x360
[ 7194.459458][T12167]      netlink_unicast+0x449/0x710
[ 7194.459458][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7194.459458][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7194.459458][T12167]      ___sys_sendmsg+0xee/0x170
[ 7194.459458][T12167]      __sys_sendmsg+0xcd/0x170
[ 7194.459458][T12167]      do_syscall_64+0xc6/0x1e0
[ 7194.459458][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7194.459458][T12167] 
[ 7204.702799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7204.703317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7204.703317][T12167]      netdev_get_by_index+0x5e/0x80
[ 7204.703317][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7204.703317][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7204.703317][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7204.703317][T12167]      ipv6_add_addr+0x411/0x2000
[ 7204.703317][T12167]      inet6_addr_add+0x30e/0xa40
[ 7204.703317][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7204.703317][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7204.703317][T12167]      netlink_rcv_skb+0x130/0x360
[ 7204.703317][T12167]      netlink_unicast+0x449/0x710
[ 7204.703317][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7204.703317][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7204.703317][T12167]      ___sys_sendmsg+0xee/0x170
[ 7204.703317][T12167]      __sys_sendmsg+0xcd/0x170
[ 7204.703317][T12167]      do_syscall_64+0xc6/0x1e0
[ 7204.703317][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7204.703317][T12167] 
[ 7204.705619][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7204.705619][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7204.705619][T12167]      ipv6_find_idev+0x102/0x170
[ 7204.705619][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7204.705619][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7204.705619][T12167]      netlink_rcv_skb+0x130/0x360
[ 7204.705619][T12167]      netlink_unicast+0x449/0x710
[ 7204.705619][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7204.705619][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7204.705619][T12167]      ___sys_sendmsg+0xee/0x170
[ 7204.705619][T12167]      __sys_sendmsg+0xcd/0x170
[ 7204.705619][T12167]      do_syscall_64+0xc6/0x1e0
[ 7204.705619][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7204.705619][T12167] 
[ 7204.707388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7204.707388][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7204.707388][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7204.707388][T12167]      ipv6_find_idev+0x102/0x170
[ 7204.707388][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7204.707388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7204.707388][T12167]      netlink_rcv_skb+0x130/0x360
[ 7204.707388][T12167]      netlink_unicast+0x449/0x710
[ 7204.707388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7204.707388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7204.707388][T12167]      ___sys_sendmsg+0xee/0x170
[ 7204.707388][T12167]      __sys_sendmsg+0xcd/0x170
[ 7204.707388][T12167]      do_syscall_64+0xc6/0x1e0
[ 7204.707388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7204.707388][T12167] 
[ 7214.950814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7214.951298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7214.951298][T12167]      netdev_get_by_index+0x5e/0x80
[ 7214.951298][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7214.951298][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7214.951298][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7214.951298][T12167]      ipv6_add_addr+0x411/0x2000
[ 7214.951298][T12167]      inet6_addr_add+0x30e/0xa40
[ 7214.951298][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7214.951298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7214.951298][T12167]      netlink_rcv_skb+0x130/0x360
[ 7214.951298][T12167]      netlink_unicast+0x449/0x710
[ 7214.951298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7214.951298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7214.951298][T12167]      ___sys_sendmsg+0xee/0x170
[ 7214.951298][T12167]      __sys_sendmsg+0xcd/0x170
[ 7214.951298][T12167]      do_syscall_64+0xc6/0x1e0
[ 7214.951298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7214.951298][T12167] 
[ 7214.953592][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7214.953592][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7214.953592][T12167]      ipv6_find_idev+0x102/0x170
[ 7214.953592][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7214.953592][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7214.953592][T12167]      netlink_rcv_skb+0x130/0x360
[ 7214.953592][T12167]      netlink_unicast+0x449/0x710
[ 7214.953592][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7214.953592][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7214.953592][T12167]      ___sys_sendmsg+0xee/0x170
[ 7214.953592][T12167]      __sys_sendmsg+0xcd/0x170
[ 7214.953592][T12167]      do_syscall_64+0xc6/0x1e0
[ 7214.953592][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7214.953592][T12167] 
[ 7214.955334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7214.955334][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7214.955334][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7214.955334][T12167]      ipv6_find_idev+0x102/0x170
[ 7214.955334][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7214.955334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7214.955334][T12167]      netlink_rcv_skb+0x130/0x360
[ 7214.955334][T12167]      netlink_unicast+0x449/0x710
[ 7214.955334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7214.955334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7214.955334][T12167]      ___sys_sendmsg+0xee/0x170
[ 7214.955334][T12167]      __sys_sendmsg+0xcd/0x170
[ 7214.955334][T12167]      do_syscall_64+0xc6/0x1e0
[ 7214.955334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7214.955334][T12167] 
[ 7225.102807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7225.103329][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7225.103329][T12167]      netdev_get_by_index+0x5e/0x80
[ 7225.103329][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7225.103329][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7225.103329][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7225.103329][T12167]      ipv6_add_addr+0x411/0x2000
[ 7225.103329][T12167]      inet6_addr_add+0x30e/0xa40
[ 7225.103329][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7225.103329][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.103329][T12167]      netlink_rcv_skb+0x130/0x360
[ 7225.103329][T12167]      netlink_unicast+0x449/0x710
[ 7225.103329][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7225.103329][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.103329][T12167]      ___sys_sendmsg+0xee/0x170
[ 7225.103329][T12167]      __sys_sendmsg+0xcd/0x170
[ 7225.103329][T12167]      do_syscall_64+0xc6/0x1e0
[ 7225.103329][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.103329][T12167] 
[ 7225.105614][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7225.105614][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7225.105614][T12167]      ipv6_find_idev+0x102/0x170
[ 7225.105614][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7225.105614][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.105614][T12167]      netlink_rcv_skb+0x130/0x360
[ 7225.105614][T12167]      netlink_unicast+0x449/0x710
[ 7225.105614][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7225.105614][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.105614][T12167]      ___sys_sendmsg+0xee/0x170
[ 7225.105614][T12167]      __sys_sendmsg+0xcd/0x170
[ 7225.105614][T12167]      do_syscall_64+0xc6/0x1e0
[ 7225.105614][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.105614][T12167] 
[ 7225.107368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7225.107368][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7225.107368][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7225.107368][T12167]      ipv6_find_idev+0x102/0x170
[ 7225.107368][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7225.107368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.107368][T12167]      netlink_rcv_skb+0x130/0x360
[ 7225.107368][T12167]      netlink_unicast+0x449/0x710
[ 7225.107368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7225.107368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.107368][T12167]      ___sys_sendmsg+0xee/0x170
[ 7225.107368][T12167]      __sys_sendmsg+0xcd/0x170
[ 7225.107368][T12167]      do_syscall_64+0xc6/0x1e0
[ 7225.107368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.107368][T12167] 
[ 7235.350814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7235.351296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7235.351296][T12167]      netdev_get_by_index+0x5e/0x80
[ 7235.351296][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7235.351296][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7235.351296][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7235.351296][T12167]      ipv6_add_addr+0x411/0x2000
[ 7235.351296][T12167]      inet6_addr_add+0x30e/0xa40
[ 7235.351296][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7235.351296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7235.351296][T12167]      netlink_rcv_skb+0x130/0x360
[ 7235.351296][T12167]      netlink_unicast+0x449/0x710
[ 7235.351296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7235.351296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7235.351296][T12167]      ___sys_sendmsg+0xee/0x170
[ 7235.351296][T12167]      __sys_sendmsg+0xcd/0x170
[ 7235.351296][T12167]      do_syscall_64+0xc6/0x1e0
[ 7235.351296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7235.351296][T12167] 
[ 7235.353619][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7235.353619][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7235.353619][T12167]      ipv6_find_idev+0x102/0x170
[ 7235.353619][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7235.353619][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7235.353619][T12167]      netlink_rcv_skb+0x130/0x360
[ 7235.353619][T12167]      netlink_unicast+0x449/0x710
[ 7235.353619][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7235.353619][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7235.353619][T12167]      ___sys_sendmsg+0xee/0x170
[ 7235.353619][T12167]      __sys_sendmsg+0xcd/0x170
[ 7235.353619][T12167]      do_syscall_64+0xc6/0x1e0
[ 7235.353619][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7235.353619][T12167] 
[ 7235.355376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7235.355376][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7235.355376][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7235.355376][T12167]      ipv6_find_idev+0x102/0x170
[ 7235.355376][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7235.355376][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7235.355376][T12167]      netlink_rcv_skb+0x130/0x360
[ 7235.355376][T12167]      netlink_unicast+0x449/0x710
[ 7235.355376][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7235.355376][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7235.355376][T12167]      ___sys_sendmsg+0xee/0x170
[ 7235.355376][T12167]      __sys_sendmsg+0xcd/0x170
[ 7235.355376][T12167]      do_syscall_64+0xc6/0x1e0
[ 7235.355376][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7235.355376][T12167] 
[ 7245.398842][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7245.399275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7245.399275][T12167]      netdev_get_by_index+0x5e/0x80
[ 7245.399275][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7245.399275][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7245.399275][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7245.399275][T12167]      ipv6_add_addr+0x411/0x2000
[ 7245.399275][T12167]      inet6_addr_add+0x30e/0xa40
[ 7245.399275][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7245.399275][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7245.399275][T12167]      netlink_rcv_skb+0x130/0x360
[ 7245.399275][T12167]      netlink_unicast+0x449/0x710
[ 7245.399275][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7245.399275][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7245.399275][T12167]      ___sys_sendmsg+0xee/0x170
[ 7245.399275][T12167]      __sys_sendmsg+0xcd/0x170
[ 7245.399275][T12167]      do_syscall_64+0xc6/0x1e0
[ 7245.399275][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7245.399275][T12167] 
[ 7245.401607][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7245.401607][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7245.401607][T12167]      ipv6_find_idev+0x102/0x170
[ 7245.401607][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7245.401607][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7245.401607][T12167]      netlink_rcv_skb+0x130/0x360
[ 7245.401607][T12167]      netlink_unicast+0x449/0x710
[ 7245.401607][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7245.401607][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7245.401607][T12167]      ___sys_sendmsg+0xee/0x170
[ 7245.401607][T12167]      __sys_sendmsg+0xcd/0x170
[ 7245.401607][T12167]      do_syscall_64+0xc6/0x1e0
[ 7245.401607][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7245.401607][T12167] 
[ 7245.403375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7245.403375][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7245.403375][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7245.403375][T12167]      ipv6_find_idev+0x102/0x170
[ 7245.403375][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7245.403375][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7245.403375][T12167]      netlink_rcv_skb+0x130/0x360
[ 7245.403375][T12167]      netlink_unicast+0x449/0x710
[ 7245.403375][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7245.403375][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7245.403375][T12167]      ___sys_sendmsg+0xee/0x170
[ 7245.403375][T12167]      __sys_sendmsg+0xcd/0x170
[ 7245.403375][T12167]      do_syscall_64+0xc6/0x1e0
[ 7245.403375][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7245.403375][T12167] 
[ 7255.654780][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7255.655247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7255.655247][T12167]      netdev_get_by_index+0x5e/0x80
[ 7255.655247][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7255.655247][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7255.655247][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7255.655247][T12167]      ipv6_add_addr+0x411/0x2000
[ 7255.655247][T12167]      inet6_addr_add+0x30e/0xa40
[ 7255.655247][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7255.655247][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7255.655247][T12167]      netlink_rcv_skb+0x130/0x360
[ 7255.655247][T12167]      netlink_unicast+0x449/0x710
[ 7255.655247][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7255.655247][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7255.655247][T12167]      ___sys_sendmsg+0xee/0x170
[ 7255.655247][T12167]      __sys_sendmsg+0xcd/0x170
[ 7255.655247][T12167]      do_syscall_64+0xc6/0x1e0
[ 7255.655247][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7255.655247][T12167] 
[ 7255.657776][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7255.657776][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7255.657776][T12167]      ipv6_find_idev+0x102/0x170
[ 7255.657776][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7255.657776][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7255.657776][T12167]      netlink_rcv_skb+0x130/0x360
[ 7255.657776][T12167]      netlink_unicast+0x449/0x710
[ 7255.657776][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7255.657776][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7255.657776][T12167]      ___sys_sendmsg+0xee/0x170
[ 7255.657776][T12167]      __sys_sendmsg+0xcd/0x170
[ 7255.657776][T12167]      do_syscall_64+0xc6/0x1e0
[ 7255.657776][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7255.657776][T12167] 
[ 7255.659698][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7255.659698][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7255.659698][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7255.659698][T12167]      ipv6_find_idev+0x102/0x170
[ 7255.659698][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7255.659698][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7255.659698][T12167]      netlink_rcv_skb+0x130/0x360
[ 7255.659698][T12167]      netlink_unicast+0x449/0x710
[ 7255.659698][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7255.659698][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7255.659698][T12167]      ___sys_sendmsg+0xee/0x170
[ 7255.659698][T12167]      __sys_sendmsg+0xcd/0x170
[ 7255.659698][T12167]      do_syscall_64+0xc6/0x1e0
[ 7255.659698][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7255.659698][T12167] 
[ 7265.910779][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7265.911324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7265.911324][T12167]      netdev_get_by_index+0x5e/0x80
[ 7265.911324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7265.911324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7265.911324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7265.911324][T12167]      ipv6_add_addr+0x411/0x2000
[ 7265.911324][T12167]      inet6_addr_add+0x30e/0xa40
[ 7265.911324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7265.911324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7265.911324][T12167]      netlink_rcv_skb+0x130/0x360
[ 7265.911324][T12167]      netlink_unicast+0x449/0x710
[ 7265.911324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7265.911324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7265.911324][T12167]      ___sys_sendmsg+0xee/0x170
[ 7265.911324][T12167]      __sys_sendmsg+0xcd/0x170
[ 7265.911324][T12167]      do_syscall_64+0xc6/0x1e0
[ 7265.911324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7265.911324][T12167] 
[ 7265.913633][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7265.913633][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7265.913633][T12167]      ipv6_find_idev+0x102/0x170
[ 7265.913633][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7265.913633][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7265.913633][T12167]      netlink_rcv_skb+0x130/0x360
[ 7265.913633][T12167]      netlink_unicast+0x449/0x710
[ 7265.913633][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7265.913633][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7265.913633][T12167]      ___sys_sendmsg+0xee/0x170
[ 7265.913633][T12167]      __sys_sendmsg+0xcd/0x170
[ 7265.913633][T12167]      do_syscall_64+0xc6/0x1e0
[ 7265.913633][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7265.913633][T12167] 
[ 7265.915399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7265.915399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7265.915399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7265.915399][T12167]      ipv6_find_idev+0x102/0x170
[ 7265.915399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7265.915399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7265.915399][T12167]      netlink_rcv_skb+0x130/0x360
[ 7265.915399][T12167]      netlink_unicast+0x449/0x710
[ 7265.915399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7265.915399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7265.915399][T12167]      ___sys_sendmsg+0xee/0x170
[ 7265.915399][T12167]      __sys_sendmsg+0xcd/0x170
[ 7265.915399][T12167]      do_syscall_64+0xc6/0x1e0
[ 7265.915399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7265.915399][T12167] 
[ 7276.166780][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7276.167269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7276.167269][T12167]      netdev_get_by_index+0x5e/0x80
[ 7276.167269][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7276.167269][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7276.167269][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7276.167269][T12167]      ipv6_add_addr+0x411/0x2000
[ 7276.167269][T12167]      inet6_addr_add+0x30e/0xa40
[ 7276.167269][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7276.167269][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7276.167269][T12167]      netlink_rcv_skb+0x130/0x360
[ 7276.167269][T12167]      netlink_unicast+0x449/0x710
[ 7276.167269][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7276.167269][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7276.167269][T12167]      ___sys_sendmsg+0xee/0x170
[ 7276.167269][T12167]      __sys_sendmsg+0xcd/0x170
[ 7276.167269][T12167]      do_syscall_64+0xc6/0x1e0
[ 7276.167269][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7276.167269][T12167] 
[ 7276.169741][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7276.169741][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7276.169741][T12167]      ipv6_find_idev+0x102/0x170
[ 7276.169741][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7276.169741][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7276.169741][T12167]      netlink_rcv_skb+0x130/0x360
[ 7276.169741][T12167]      netlink_unicast+0x449/0x710
[ 7276.169741][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7276.169741][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7276.169741][T12167]      ___sys_sendmsg+0xee/0x170
[ 7276.169741][T12167]      __sys_sendmsg+0xcd/0x170
[ 7276.169741][T12167]      do_syscall_64+0xc6/0x1e0
[ 7276.169741][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7276.169741][T12167] 
[ 7276.171589][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7276.171589][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7276.171589][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7276.171589][T12167]      ipv6_find_idev+0x102/0x170
[ 7276.171589][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7276.171589][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7276.171589][T12167]      netlink_rcv_skb+0x130/0x360
[ 7276.171589][T12167]      netlink_unicast+0x449/0x710
[ 7276.171589][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7276.171589][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7276.171589][T12167]      ___sys_sendmsg+0xee/0x170
[ 7276.171589][T12167]      __sys_sendmsg+0xcd/0x170
[ 7276.171589][T12167]      do_syscall_64+0xc6/0x1e0
[ 7276.171589][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7276.171589][T12167] 
[ 7286.422766][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7286.423260][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7286.423260][T12167]      netdev_get_by_index+0x5e/0x80
[ 7286.423260][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7286.423260][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7286.423260][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7286.423260][T12167]      ipv6_add_addr+0x411/0x2000
[ 7286.423260][T12167]      inet6_addr_add+0x30e/0xa40
[ 7286.423260][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7286.423260][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7286.423260][T12167]      netlink_rcv_skb+0x130/0x360
[ 7286.423260][T12167]      netlink_unicast+0x449/0x710
[ 7286.423260][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7286.423260][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7286.423260][T12167]      ___sys_sendmsg+0xee/0x170
[ 7286.423260][T12167]      __sys_sendmsg+0xcd/0x170
[ 7286.423260][T12167]      do_syscall_64+0xc6/0x1e0
[ 7286.423260][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7286.423260][T12167] 
[ 7286.425714][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7286.425714][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7286.425714][T12167]      ipv6_find_idev+0x102/0x170
[ 7286.425714][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7286.425714][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7286.425714][T12167]      netlink_rcv_skb+0x130/0x360
[ 7286.425714][T12167]      netlink_unicast+0x449/0x710
[ 7286.425714][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7286.425714][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7286.425714][T12167]      ___sys_sendmsg+0xee/0x170
[ 7286.425714][T12167]      __sys_sendmsg+0xcd/0x170
[ 7286.425714][T12167]      do_syscall_64+0xc6/0x1e0
[ 7286.425714][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7286.425714][T12167] 
[ 7286.427479][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7286.427479][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7286.427479][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7286.427479][T12167]      ipv6_find_idev+0x102/0x170
[ 7286.427479][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7286.427479][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7286.427479][T12167]      netlink_rcv_skb+0x130/0x360
[ 7286.427479][T12167]      netlink_unicast+0x449/0x710
[ 7286.427479][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7286.427479][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7286.427479][T12167]      ___sys_sendmsg+0xee/0x170
[ 7286.427479][T12167]      __sys_sendmsg+0xcd/0x170
[ 7286.427479][T12167]      do_syscall_64+0xc6/0x1e0
[ 7286.427479][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7286.427479][T12167] 
[ 7296.678759][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7296.679289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7296.679289][T12167]      netdev_get_by_index+0x5e/0x80
[ 7296.679289][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7296.679289][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7296.679289][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7296.679289][T12167]      ipv6_add_addr+0x411/0x2000
[ 7296.679289][T12167]      inet6_addr_add+0x30e/0xa40
[ 7296.679289][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7296.679289][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7296.679289][T12167]      netlink_rcv_skb+0x130/0x360
[ 7296.679289][T12167]      netlink_unicast+0x449/0x710
[ 7296.679289][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7296.679289][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7296.679289][T12167]      ___sys_sendmsg+0xee/0x170
[ 7296.679289][T12167]      __sys_sendmsg+0xcd/0x170
[ 7296.679289][T12167]      do_syscall_64+0xc6/0x1e0
[ 7296.679289][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7296.679289][T12167] 
[ 7296.681593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7296.681593][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7296.681593][T12167]      ipv6_find_idev+0x102/0x170
[ 7296.681593][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7296.681593][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7296.681593][T12167]      netlink_rcv_skb+0x130/0x360
[ 7296.681593][T12167]      netlink_unicast+0x449/0x710
[ 7296.681593][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7296.681593][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7296.681593][T12167]      ___sys_sendmsg+0xee/0x170
[ 7296.681593][T12167]      __sys_sendmsg+0xcd/0x170
[ 7296.681593][T12167]      do_syscall_64+0xc6/0x1e0
[ 7296.681593][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7296.681593][T12167] 
[ 7296.683356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7296.683356][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7296.683356][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7296.683356][T12167]      ipv6_find_idev+0x102/0x170
[ 7296.683356][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7296.683356][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7296.683356][T12167]      netlink_rcv_skb+0x130/0x360
[ 7296.683356][T12167]      netlink_unicast+0x449/0x710
[ 7296.683356][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7296.683356][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7296.683356][T12167]      ___sys_sendmsg+0xee/0x170
[ 7296.683356][T12167]      __sys_sendmsg+0xcd/0x170
[ 7296.683356][T12167]      do_syscall_64+0xc6/0x1e0
[ 7296.683356][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7296.683356][T12167] 
[ 7306.934763][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7306.935202][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7306.935202][T12167]      netdev_get_by_index+0x5e/0x80
[ 7306.935202][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7306.935202][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7306.935202][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7306.935202][T12167]      ipv6_add_addr+0x411/0x2000
[ 7306.935202][T12167]      inet6_addr_add+0x30e/0xa40
[ 7306.935202][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7306.935202][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7306.935202][T12167]      netlink_rcv_skb+0x130/0x360
[ 7306.935202][T12167]      netlink_unicast+0x449/0x710
[ 7306.935202][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7306.935202][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7306.935202][T12167]      ___sys_sendmsg+0xee/0x170
[ 7306.935202][T12167]      __sys_sendmsg+0xcd/0x170
[ 7306.935202][T12167]      do_syscall_64+0xc6/0x1e0
[ 7306.935202][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7306.935202][T12167] 
[ 7306.937537][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7306.937537][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7306.937537][T12167]      ipv6_find_idev+0x102/0x170
[ 7306.937537][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7306.937537][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7306.937537][T12167]      netlink_rcv_skb+0x130/0x360
[ 7306.937537][T12167]      netlink_unicast+0x449/0x710
[ 7306.937537][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7306.937537][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7306.937537][T12167]      ___sys_sendmsg+0xee/0x170
[ 7306.937537][T12167]      __sys_sendmsg+0xcd/0x170
[ 7306.937537][T12167]      do_syscall_64+0xc6/0x1e0
[ 7306.937537][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7306.937537][T12167] 
[ 7306.939298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7306.939298][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7306.939298][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7306.939298][T12167]      ipv6_find_idev+0x102/0x170
[ 7306.939298][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7306.939298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7306.939298][T12167]      netlink_rcv_skb+0x130/0x360
[ 7306.939298][T12167]      netlink_unicast+0x449/0x710
[ 7306.939298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7306.939298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7306.939298][T12167]      ___sys_sendmsg+0xee/0x170
[ 7306.939298][T12167]      __sys_sendmsg+0xcd/0x170
[ 7306.939298][T12167]      do_syscall_64+0xc6/0x1e0
[ 7306.939298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7306.939298][T12167] 
[ 7317.190830][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7317.191356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7317.191356][T12167]      netdev_get_by_index+0x5e/0x80
[ 7317.191356][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7317.191356][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7317.191356][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7317.191356][T12167]      ipv6_add_addr+0x411/0x2000
[ 7317.191356][T12167]      inet6_addr_add+0x30e/0xa40
[ 7317.191356][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7317.191356][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7317.191356][T12167]      netlink_rcv_skb+0x130/0x360
[ 7317.191356][T12167]      netlink_unicast+0x449/0x710
[ 7317.191356][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7317.191356][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7317.191356][T12167]      ___sys_sendmsg+0xee/0x170
[ 7317.191356][T12167]      __sys_sendmsg+0xcd/0x170
[ 7317.191356][T12167]      do_syscall_64+0xc6/0x1e0
[ 7317.191356][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7317.191356][T12167] 
[ 7317.193662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7317.193662][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7317.193662][T12167]      ipv6_find_idev+0x102/0x170
[ 7317.193662][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7317.193662][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7317.193662][T12167]      netlink_rcv_skb+0x130/0x360
[ 7317.193662][T12167]      netlink_unicast+0x449/0x710
[ 7317.193662][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7317.193662][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7317.193662][T12167]      ___sys_sendmsg+0xee/0x170
[ 7317.193662][T12167]      __sys_sendmsg+0xcd/0x170
[ 7317.193662][T12167]      do_syscall_64+0xc6/0x1e0
[ 7317.193662][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7317.193662][T12167] 
[ 7317.195428][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7317.195428][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7317.195428][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7317.195428][T12167]      ipv6_find_idev+0x102/0x170
[ 7317.195428][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7317.195428][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7317.195428][T12167]      netlink_rcv_skb+0x130/0x360
[ 7317.195428][T12167]      netlink_unicast+0x449/0x710
[ 7317.195428][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7317.195428][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7317.195428][T12167]      ___sys_sendmsg+0xee/0x170
[ 7317.195428][T12167]      __sys_sendmsg+0xcd/0x170
[ 7317.195428][T12167]      do_syscall_64+0xc6/0x1e0
[ 7317.195428][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7317.195428][T12167] 
[ 7327.446827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7327.447315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7327.447315][T12167]      netdev_get_by_index+0x5e/0x80
[ 7327.447315][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7327.447315][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7327.447315][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7327.447315][T12167]      ipv6_add_addr+0x411/0x2000
[ 7327.447315][T12167]      inet6_addr_add+0x30e/0xa40
[ 7327.447315][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7327.447315][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7327.447315][T12167]      netlink_rcv_skb+0x130/0x360
[ 7327.447315][T12167]      netlink_unicast+0x449/0x710
[ 7327.447315][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7327.447315][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7327.447315][T12167]      ___sys_sendmsg+0xee/0x170
[ 7327.447315][T12167]      __sys_sendmsg+0xcd/0x170
[ 7327.447315][T12167]      do_syscall_64+0xc6/0x1e0
[ 7327.447315][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7327.447315][T12167] 
[ 7327.449618][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7327.449618][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7327.449618][T12167]      ipv6_find_idev+0x102/0x170
[ 7327.449618][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7327.449618][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7327.449618][T12167]      netlink_rcv_skb+0x130/0x360
[ 7327.449618][T12167]      netlink_unicast+0x449/0x710
[ 7327.449618][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7327.449618][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7327.449618][T12167]      ___sys_sendmsg+0xee/0x170
[ 7327.449618][T12167]      __sys_sendmsg+0xcd/0x170
[ 7327.449618][T12167]      do_syscall_64+0xc6/0x1e0
[ 7327.449618][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7327.449618][T12167] 
[ 7327.451403][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7327.451403][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7327.451403][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7327.451403][T12167]      ipv6_find_idev+0x102/0x170
[ 7327.451403][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7327.451403][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7327.451403][T12167]      netlink_rcv_skb+0x130/0x360
[ 7327.451403][T12167]      netlink_unicast+0x449/0x710
[ 7327.451403][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7327.451403][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7327.451403][T12167]      ___sys_sendmsg+0xee/0x170
[ 7327.451403][T12167]      __sys_sendmsg+0xcd/0x170
[ 7327.451403][T12167]      do_syscall_64+0xc6/0x1e0
[ 7327.451403][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7327.451403][T12167] 
[ 7337.702851][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7337.703324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7337.703324][T12167]      netdev_get_by_index+0x5e/0x80
[ 7337.703324][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7337.703324][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7337.703324][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7337.703324][T12167]      ipv6_add_addr+0x411/0x2000
[ 7337.703324][T12167]      inet6_addr_add+0x30e/0xa40
[ 7337.703324][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7337.703324][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7337.703324][T12167]      netlink_rcv_skb+0x130/0x360
[ 7337.703324][T12167]      netlink_unicast+0x449/0x710
[ 7337.703324][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7337.703324][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7337.703324][T12167]      ___sys_sendmsg+0xee/0x170
[ 7337.703324][T12167]      __sys_sendmsg+0xcd/0x170
[ 7337.703324][T12167]      do_syscall_64+0xc6/0x1e0
[ 7337.703324][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7337.703324][T12167] 
[ 7337.705808][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7337.705808][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7337.705808][T12167]      ipv6_find_idev+0x102/0x170
[ 7337.705808][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7337.705808][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7337.705808][T12167]      netlink_rcv_skb+0x130/0x360
[ 7337.705808][T12167]      netlink_unicast+0x449/0x710
[ 7337.705808][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7337.705808][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7337.705808][T12167]      ___sys_sendmsg+0xee/0x170
[ 7337.705808][T12167]      __sys_sendmsg+0xcd/0x170
[ 7337.705808][T12167]      do_syscall_64+0xc6/0x1e0
[ 7337.705808][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7337.705808][T12167] 
[ 7337.707689][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7337.707689][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7337.707689][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7337.707689][T12167]      ipv6_find_idev+0x102/0x170
[ 7337.707689][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7337.707689][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7337.707689][T12167]      netlink_rcv_skb+0x130/0x360
[ 7337.707689][T12167]      netlink_unicast+0x449/0x710
[ 7337.707689][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7337.707689][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7337.707689][T12167]      ___sys_sendmsg+0xee/0x170
[ 7337.707689][T12167]      __sys_sendmsg+0xcd/0x170
[ 7337.707689][T12167]      do_syscall_64+0xc6/0x1e0
[ 7337.707689][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7337.707689][T12167] 
[ 7347.958830][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7347.959323][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7347.959323][T12167]      netdev_get_by_index+0x5e/0x80
[ 7347.959323][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7347.959323][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7347.959323][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7347.959323][T12167]      ipv6_add_addr+0x411/0x2000
[ 7347.959323][T12167]      inet6_addr_add+0x30e/0xa40
[ 7347.959323][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7347.959323][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7347.959323][T12167]      netlink_rcv_skb+0x130/0x360
[ 7347.959323][T12167]      netlink_unicast+0x449/0x710
[ 7347.959323][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7347.959323][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7347.959323][T12167]      ___sys_sendmsg+0xee/0x170
[ 7347.959323][T12167]      __sys_sendmsg+0xcd/0x170
[ 7347.959323][T12167]      do_syscall_64+0xc6/0x1e0
[ 7347.959323][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7347.959323][T12167] 
[ 7347.961829][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7347.961829][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7347.961829][T12167]      ipv6_find_idev+0x102/0x170
[ 7347.961829][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7347.961829][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7347.961829][T12167]      netlink_rcv_skb+0x130/0x360
[ 7347.961829][T12167]      netlink_unicast+0x449/0x710
[ 7347.961829][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7347.961829][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7347.961829][T12167]      ___sys_sendmsg+0xee/0x170
[ 7347.961829][T12167]      __sys_sendmsg+0xcd/0x170
[ 7347.961829][T12167]      do_syscall_64+0xc6/0x1e0
[ 7347.961829][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7347.961829][T12167] 
[ 7347.963723][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7347.963723][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7347.963723][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7347.963723][T12167]      ipv6_find_idev+0x102/0x170
[ 7347.963723][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7347.963723][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7347.963723][T12167]      netlink_rcv_skb+0x130/0x360
[ 7347.963723][T12167]      netlink_unicast+0x449/0x710
[ 7347.963723][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7347.963723][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7347.963723][T12167]      ___sys_sendmsg+0xee/0x170
[ 7347.963723][T12167]      __sys_sendmsg+0xcd/0x170
[ 7347.963723][T12167]      do_syscall_64+0xc6/0x1e0
[ 7347.963723][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7347.963723][T12167] 
[ 7358.006761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7358.007295][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7358.007295][T12167]      netdev_get_by_index+0x5e/0x80
[ 7358.007295][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7358.007295][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7358.007295][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7358.007295][T12167]      ipv6_add_addr+0x411/0x2000
[ 7358.007295][T12167]      inet6_addr_add+0x30e/0xa40
[ 7358.007295][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7358.007295][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7358.007295][T12167]      netlink_rcv_skb+0x130/0x360
[ 7358.007295][T12167]      netlink_unicast+0x449/0x710
[ 7358.007295][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7358.007295][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7358.007295][T12167]      ___sys_sendmsg+0xee/0x170
[ 7358.007295][T12167]      __sys_sendmsg+0xcd/0x170
[ 7358.007295][T12167]      do_syscall_64+0xc6/0x1e0
[ 7358.007295][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7358.007295][T12167] 
[ 7358.010025][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7358.010025][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7358.010025][T12167]      ipv6_find_idev+0x102/0x170
[ 7358.010025][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7358.010025][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7358.010025][T12167]      netlink_rcv_skb+0x130/0x360
[ 7358.010025][T12167]      netlink_unicast+0x449/0x710
[ 7358.010025][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7358.010025][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7358.010025][T12167]      ___sys_sendmsg+0xee/0x170
[ 7358.010025][T12167]      __sys_sendmsg+0xcd/0x170
[ 7358.010025][T12167]      do_syscall_64+0xc6/0x1e0
[ 7358.010025][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7358.010025][T12167] 
[ 7358.012119][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7358.012119][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7358.012119][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7358.012119][T12167]      ipv6_find_idev+0x102/0x170
[ 7358.012119][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7358.012119][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7358.012119][T12167]      netlink_rcv_skb+0x130/0x360
[ 7358.012119][T12167]      netlink_unicast+0x449/0x710
[ 7358.012119][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7358.012119][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7358.012119][T12167]      ___sys_sendmsg+0xee/0x170
[ 7358.012119][T12167]      __sys_sendmsg+0xcd/0x170
[ 7358.012119][T12167]      do_syscall_64+0xc6/0x1e0
[ 7358.012119][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7358.012119][T12167] 
[ 7368.254805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7368.255406][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7368.255406][T12167]      netdev_get_by_index+0x5e/0x80
[ 7368.255406][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7368.255406][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7368.255406][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7368.255406][T12167]      ipv6_add_addr+0x411/0x2000
[ 7368.255406][T12167]      inet6_addr_add+0x30e/0xa40
[ 7368.255406][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7368.255406][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7368.255406][T12167]      netlink_rcv_skb+0x130/0x360
[ 7368.255406][T12167]      netlink_unicast+0x449/0x710
[ 7368.255406][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7368.255406][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7368.255406][T12167]      ___sys_sendmsg+0xee/0x170
[ 7368.255406][T12167]      __sys_sendmsg+0xcd/0x170
[ 7368.255406][T12167]      do_syscall_64+0xc6/0x1e0
[ 7368.255406][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7368.255406][T12167] 
[ 7368.258122][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7368.258122][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7368.258122][T12167]      ipv6_find_idev+0x102/0x170
[ 7368.258122][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7368.258122][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7368.258122][T12167]      netlink_rcv_skb+0x130/0x360
[ 7368.258122][T12167]      netlink_unicast+0x449/0x710
[ 7368.258122][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7368.258122][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7368.258122][T12167]      ___sys_sendmsg+0xee/0x170
[ 7368.258122][T12167]      __sys_sendmsg+0xcd/0x170
[ 7368.258122][T12167]      do_syscall_64+0xc6/0x1e0
[ 7368.258122][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7368.258122][T12167] 
[ 7368.260080][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7368.260080][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7368.260080][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7368.260080][T12167]      ipv6_find_idev+0x102/0x170
[ 7368.260080][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7368.260080][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7368.260080][T12167]      netlink_rcv_skb+0x130/0x360
[ 7368.260080][T12167]      netlink_unicast+0x449/0x710
[ 7368.260080][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7368.260080][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7368.260080][T12167]      ___sys_sendmsg+0xee/0x170
[ 7368.260080][T12167]      __sys_sendmsg+0xcd/0x170
[ 7368.260080][T12167]      do_syscall_64+0xc6/0x1e0
[ 7368.260080][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7368.260080][T12167] 
[ 7378.270844][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7378.271457][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7378.271457][T12167]      netdev_get_by_index+0x5e/0x80
[ 7378.271457][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7378.271457][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7378.271457][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7378.271457][T12167]      ipv6_add_addr+0x411/0x2000
[ 7378.271457][T12167]      inet6_addr_add+0x30e/0xa40
[ 7378.271457][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7378.271457][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7378.271457][T12167]      netlink_rcv_skb+0x130/0x360
[ 7378.271457][T12167]      netlink_unicast+0x449/0x710
[ 7378.271457][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7378.271457][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7378.271457][T12167]      ___sys_sendmsg+0xee/0x170
[ 7378.271457][T12167]      __sys_sendmsg+0xcd/0x170
[ 7378.271457][T12167]      do_syscall_64+0xc6/0x1e0
[ 7378.271457][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7378.271457][T12167] 
[ 7378.273995][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7378.273995][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7378.273995][T12167]      ipv6_find_idev+0x102/0x170
[ 7378.273995][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7378.273995][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7378.273995][T12167]      netlink_rcv_skb+0x130/0x360
[ 7378.273995][T12167]      netlink_unicast+0x449/0x710
[ 7378.273995][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7378.273995][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7378.273995][T12167]      ___sys_sendmsg+0xee/0x170
[ 7378.273995][T12167]      __sys_sendmsg+0xcd/0x170
[ 7378.273995][T12167]      do_syscall_64+0xc6/0x1e0
[ 7378.273995][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7378.273995][T12167] 
[ 7378.275944][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7378.275944][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7378.275944][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7378.275944][T12167]      ipv6_find_idev+0x102/0x170
[ 7378.275944][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7378.275944][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7378.275944][T12167]      netlink_rcv_skb+0x130/0x360
[ 7378.275944][T12167]      netlink_unicast+0x449/0x710
[ 7378.275944][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7378.275944][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7378.275944][T12167]      ___sys_sendmsg+0xee/0x170
[ 7378.275944][T12167]      __sys_sendmsg+0xcd/0x170
[ 7378.275944][T12167]      do_syscall_64+0xc6/0x1e0
[ 7378.275944][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7378.275944][T12167] 
[ 7388.518748][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7388.519292][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7388.519292][T12167]      netdev_get_by_index+0x5e/0x80
[ 7388.519292][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7388.519292][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7388.519292][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7388.519292][T12167]      ipv6_add_addr+0x411/0x2000
[ 7388.519292][T12167]      inet6_addr_add+0x30e/0xa40
[ 7388.519292][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7388.519292][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7388.519292][T12167]      netlink_rcv_skb+0x130/0x360
[ 7388.519292][T12167]      netlink_unicast+0x449/0x710
[ 7388.519292][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7388.519292][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7388.519292][T12167]      ___sys_sendmsg+0xee/0x170
[ 7388.519292][T12167]      __sys_sendmsg+0xcd/0x170
[ 7388.519292][T12167]      do_syscall_64+0xc6/0x1e0
[ 7388.519292][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7388.519292][T12167] 
[ 7388.521873][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7388.521873][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7388.521873][T12167]      ipv6_find_idev+0x102/0x170
[ 7388.521873][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7388.521873][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7388.521873][T12167]      netlink_rcv_skb+0x130/0x360
[ 7388.521873][T12167]      netlink_unicast+0x449/0x710
[ 7388.521873][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7388.521873][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7388.521873][T12167]      ___sys_sendmsg+0xee/0x170
[ 7388.521873][T12167]      __sys_sendmsg+0xcd/0x170
[ 7388.521873][T12167]      do_syscall_64+0xc6/0x1e0
[ 7388.521873][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7388.521873][T12167] 
[ 7388.523821][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7388.523821][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7388.523821][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7388.523821][T12167]      ipv6_find_idev+0x102/0x170
[ 7388.523821][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7388.523821][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7388.523821][T12167]      netlink_rcv_skb+0x130/0x360
[ 7388.523821][T12167]      netlink_unicast+0x449/0x710
[ 7388.523821][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7388.523821][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7388.523821][T12167]      ___sys_sendmsg+0xee/0x170
[ 7388.523821][T12167]      __sys_sendmsg+0xcd/0x170
[ 7388.523821][T12167]      do_syscall_64+0xc6/0x1e0
[ 7388.523821][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7388.523821][T12167] 
[ 7398.766906][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7398.767446][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7398.767446][T12167]      netdev_get_by_index+0x5e/0x80
[ 7398.767446][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7398.767446][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7398.767446][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7398.767446][T12167]      ipv6_add_addr+0x411/0x2000
[ 7398.767446][T12167]      inet6_addr_add+0x30e/0xa40
[ 7398.767446][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7398.767446][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7398.767446][T12167]      netlink_rcv_skb+0x130/0x360
[ 7398.767446][T12167]      netlink_unicast+0x449/0x710
[ 7398.767446][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7398.767446][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7398.767446][T12167]      ___sys_sendmsg+0xee/0x170
[ 7398.767446][T12167]      __sys_sendmsg+0xcd/0x170
[ 7398.767446][T12167]      do_syscall_64+0xc6/0x1e0
[ 7398.767446][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7398.767446][T12167] 
[ 7398.770222][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7398.770222][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7398.770222][T12167]      ipv6_find_idev+0x102/0x170
[ 7398.770222][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7398.770222][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7398.770222][T12167]      netlink_rcv_skb+0x130/0x360
[ 7398.770222][T12167]      netlink_unicast+0x449/0x710
[ 7398.770222][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7398.770222][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7398.770222][T12167]      ___sys_sendmsg+0xee/0x170
[ 7398.770222][T12167]      __sys_sendmsg+0xcd/0x170
[ 7398.770222][T12167]      do_syscall_64+0xc6/0x1e0
[ 7398.770222][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7398.770222][T12167] 
[ 7398.772341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7398.772341][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7398.772341][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7398.772341][T12167]      ipv6_find_idev+0x102/0x170
[ 7398.772341][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7398.772341][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7398.772341][T12167]      netlink_rcv_skb+0x130/0x360
[ 7398.772341][T12167]      netlink_unicast+0x449/0x710
[ 7398.772341][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7398.772341][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7398.772341][T12167]      ___sys_sendmsg+0xee/0x170
[ 7398.772341][T12167]      __sys_sendmsg+0xcd/0x170
[ 7398.772341][T12167]      do_syscall_64+0xc6/0x1e0
[ 7398.772341][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7398.772341][T12167] 
[ 7409.014808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7409.015296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7409.015296][T12167]      netdev_get_by_index+0x5e/0x80
[ 7409.015296][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7409.015296][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7409.015296][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7409.015296][T12167]      ipv6_add_addr+0x411/0x2000
[ 7409.015296][T12167]      inet6_addr_add+0x30e/0xa40
[ 7409.015296][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7409.015296][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7409.015296][T12167]      netlink_rcv_skb+0x130/0x360
[ 7409.015296][T12167]      netlink_unicast+0x449/0x710
[ 7409.015296][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7409.015296][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7409.015296][T12167]      ___sys_sendmsg+0xee/0x170
[ 7409.015296][T12167]      __sys_sendmsg+0xcd/0x170
[ 7409.015296][T12167]      do_syscall_64+0xc6/0x1e0
[ 7409.015296][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7409.015296][T12167] 
[ 7409.017850][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7409.017850][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7409.017850][T12167]      ipv6_find_idev+0x102/0x170
[ 7409.017850][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7409.017850][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7409.017850][T12167]      netlink_rcv_skb+0x130/0x360
[ 7409.017850][T12167]      netlink_unicast+0x449/0x710
[ 7409.017850][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7409.017850][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7409.017850][T12167]      ___sys_sendmsg+0xee/0x170
[ 7409.017850][T12167]      __sys_sendmsg+0xcd/0x170
[ 7409.017850][T12167]      do_syscall_64+0xc6/0x1e0
[ 7409.017850][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7409.017850][T12167] 
[ 7409.019779][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7409.019779][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7409.019779][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7409.019779][T12167]      ipv6_find_idev+0x102/0x170
[ 7409.019779][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7409.019779][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7409.019779][T12167]      netlink_rcv_skb+0x130/0x360
[ 7409.019779][T12167]      netlink_unicast+0x449/0x710
[ 7409.019779][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7409.019779][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7409.019779][T12167]      ___sys_sendmsg+0xee/0x170
[ 7409.019779][T12167]      __sys_sendmsg+0xcd/0x170
[ 7409.019779][T12167]      do_syscall_64+0xc6/0x1e0
[ 7409.019779][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7409.019779][T12167] 
[ 7419.262828][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7419.263380][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7419.263380][T12167]      netdev_get_by_index+0x5e/0x80
[ 7419.263380][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7419.263380][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7419.263380][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7419.263380][T12167]      ipv6_add_addr+0x411/0x2000
[ 7419.263380][T12167]      inet6_addr_add+0x30e/0xa40
[ 7419.263380][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7419.263380][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7419.263380][T12167]      netlink_rcv_skb+0x130/0x360
[ 7419.263380][T12167]      netlink_unicast+0x449/0x710
[ 7419.263380][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7419.263380][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7419.263380][T12167]      ___sys_sendmsg+0xee/0x170
[ 7419.263380][T12167]      __sys_sendmsg+0xcd/0x170
[ 7419.263380][T12167]      do_syscall_64+0xc6/0x1e0
[ 7419.263380][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7419.263380][T12167] 
[ 7419.265917][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7419.265917][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7419.265917][T12167]      ipv6_find_idev+0x102/0x170
[ 7419.265917][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7419.265917][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7419.265917][T12167]      netlink_rcv_skb+0x130/0x360
[ 7419.265917][T12167]      netlink_unicast+0x449/0x710
[ 7419.265917][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7419.265917][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7419.265917][T12167]      ___sys_sendmsg+0xee/0x170
[ 7419.265917][T12167]      __sys_sendmsg+0xcd/0x170
[ 7419.265917][T12167]      do_syscall_64+0xc6/0x1e0
[ 7419.265917][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7419.265917][T12167] 
[ 7419.267874][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7419.267874][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7419.267874][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7419.267874][T12167]      ipv6_find_idev+0x102/0x170
[ 7419.267874][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7419.267874][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7419.267874][T12167]      netlink_rcv_skb+0x130/0x360
[ 7419.267874][T12167]      netlink_unicast+0x449/0x710
[ 7419.267874][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7419.267874][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7419.267874][T12167]      ___sys_sendmsg+0xee/0x170
[ 7419.267874][T12167]      __sys_sendmsg+0xcd/0x170
[ 7419.267874][T12167]      do_syscall_64+0xc6/0x1e0
[ 7419.267874][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7419.267874][T12167] 
[ 7429.310828][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7429.311339][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7429.311339][T12167]      netdev_get_by_index+0x5e/0x80
[ 7429.311339][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7429.311339][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7429.311339][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7429.311339][T12167]      ipv6_add_addr+0x411/0x2000
[ 7429.311339][T12167]      inet6_addr_add+0x30e/0xa40
[ 7429.311339][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7429.311339][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7429.311339][T12167]      netlink_rcv_skb+0x130/0x360
[ 7429.311339][T12167]      netlink_unicast+0x449/0x710
[ 7429.311339][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7429.311339][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7429.311339][T12167]      ___sys_sendmsg+0xee/0x170
[ 7429.311339][T12167]      __sys_sendmsg+0xcd/0x170
[ 7429.311339][T12167]      do_syscall_64+0xc6/0x1e0
[ 7429.311339][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7429.311339][T12167] 
[ 7429.314446][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7429.314446][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7429.314446][T12167]      ipv6_find_idev+0x102/0x170
[ 7429.314446][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7429.314446][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7429.314446][T12167]      netlink_rcv_skb+0x130/0x360
[ 7429.314446][T12167]      netlink_unicast+0x449/0x710
[ 7429.314446][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7429.314446][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7429.314446][T12167]      ___sys_sendmsg+0xee/0x170
[ 7429.314446][T12167]      __sys_sendmsg+0xcd/0x170
[ 7429.314446][T12167]      do_syscall_64+0xc6/0x1e0
[ 7429.314446][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7429.314446][T12167] 
[ 7429.316404][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7429.316404][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7429.316404][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7429.316404][T12167]      ipv6_find_idev+0x102/0x170
[ 7429.316404][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7429.316404][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7429.316404][T12167]      netlink_rcv_skb+0x130/0x360
[ 7429.316404][T12167]      netlink_unicast+0x449/0x710
[ 7429.316404][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7429.316404][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7429.316404][T12167]      ___sys_sendmsg+0xee/0x170
[ 7429.316404][T12167]      __sys_sendmsg+0xcd/0x170
[ 7429.316404][T12167]      do_syscall_64+0xc6/0x1e0
[ 7429.316404][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7429.316404][T12167] 
[ 7439.558908][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7439.559434][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7439.559434][T12167]      netdev_get_by_index+0x5e/0x80
[ 7439.559434][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7439.559434][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7439.559434][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7439.559434][T12167]      ipv6_add_addr+0x411/0x2000
[ 7439.559434][T12167]      inet6_addr_add+0x30e/0xa40
[ 7439.559434][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7439.559434][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7439.559434][T12167]      netlink_rcv_skb+0x130/0x360
[ 7439.559434][T12167]      netlink_unicast+0x449/0x710
[ 7439.559434][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7439.559434][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7439.559434][T12167]      ___sys_sendmsg+0xee/0x170
[ 7439.559434][T12167]      __sys_sendmsg+0xcd/0x170
[ 7439.559434][T12167]      do_syscall_64+0xc6/0x1e0
[ 7439.559434][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7439.559434][T12167] 
[ 7439.561927][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7439.561927][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7439.561927][T12167]      ipv6_find_idev+0x102/0x170
[ 7439.561927][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7439.561927][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7439.561927][T12167]      netlink_rcv_skb+0x130/0x360
[ 7439.561927][T12167]      netlink_unicast+0x449/0x710
[ 7439.561927][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7439.561927][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7439.561927][T12167]      ___sys_sendmsg+0xee/0x170
[ 7439.561927][T12167]      __sys_sendmsg+0xcd/0x170
[ 7439.561927][T12167]      do_syscall_64+0xc6/0x1e0
[ 7439.561927][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7439.561927][T12167] 
[ 7439.563822][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7439.563822][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7439.563822][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7439.563822][T12167]      ipv6_find_idev+0x102/0x170
[ 7439.563822][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7439.563822][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7439.563822][T12167]      netlink_rcv_skb+0x130/0x360
[ 7439.563822][T12167]      netlink_unicast+0x449/0x710
[ 7439.563822][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7439.563822][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7439.563822][T12167]      ___sys_sendmsg+0xee/0x170
[ 7439.563822][T12167]      __sys_sendmsg+0xcd/0x170
[ 7439.563822][T12167]      do_syscall_64+0xc6/0x1e0
[ 7439.563822][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7439.563822][T12167] 
[ 7449.806849][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7449.807376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7449.807376][T12167]      netdev_get_by_index+0x5e/0x80
[ 7449.807376][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7449.807376][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7449.807376][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7449.807376][T12167]      ipv6_add_addr+0x411/0x2000
[ 7449.807376][T12167]      inet6_addr_add+0x30e/0xa40
[ 7449.807376][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7449.807376][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7449.807376][T12167]      netlink_rcv_skb+0x130/0x360
[ 7449.807376][T12167]      netlink_unicast+0x449/0x710
[ 7449.807376][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7449.807376][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7449.807376][T12167]      ___sys_sendmsg+0xee/0x170
[ 7449.807376][T12167]      __sys_sendmsg+0xcd/0x170
[ 7449.807376][T12167]      do_syscall_64+0xc6/0x1e0
[ 7449.807376][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7449.807376][T12167] 
[ 7449.809659][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7449.809659][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7449.809659][T12167]      ipv6_find_idev+0x102/0x170
[ 7449.809659][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7449.809659][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7449.809659][T12167]      netlink_rcv_skb+0x130/0x360
[ 7449.809659][T12167]      netlink_unicast+0x449/0x710
[ 7449.809659][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7449.809659][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7449.809659][T12167]      ___sys_sendmsg+0xee/0x170
[ 7449.809659][T12167]      __sys_sendmsg+0xcd/0x170
[ 7449.809659][T12167]      do_syscall_64+0xc6/0x1e0
[ 7449.809659][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7449.809659][T12167] 
[ 7449.811421][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7449.811421][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7449.811421][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7449.811421][T12167]      ipv6_find_idev+0x102/0x170
[ 7449.811421][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7449.811421][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7449.811421][T12167]      netlink_rcv_skb+0x130/0x360
[ 7449.811421][T12167]      netlink_unicast+0x449/0x710
[ 7449.811421][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7449.811421][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7449.811421][T12167]      ___sys_sendmsg+0xee/0x170
[ 7449.811421][T12167]      __sys_sendmsg+0xcd/0x170
[ 7449.811421][T12167]      do_syscall_64+0xc6/0x1e0
[ 7449.811421][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7449.811421][T12167] 
[ 7460.054827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7460.055325][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7460.055325][T12167]      netdev_get_by_index+0x5e/0x80
[ 7460.055325][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7460.055325][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7460.055325][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7460.055325][T12167]      ipv6_add_addr+0x411/0x2000
[ 7460.055325][T12167]      inet6_addr_add+0x30e/0xa40
[ 7460.055325][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7460.055325][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7460.055325][T12167]      netlink_rcv_skb+0x130/0x360
[ 7460.055325][T12167]      netlink_unicast+0x449/0x710
[ 7460.055325][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7460.055325][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7460.055325][T12167]      ___sys_sendmsg+0xee/0x170
[ 7460.055325][T12167]      __sys_sendmsg+0xcd/0x170
[ 7460.055325][T12167]      do_syscall_64+0xc6/0x1e0
[ 7460.055325][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7460.055325][T12167] 
[ 7460.057795][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7460.057795][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7460.057795][T12167]      ipv6_find_idev+0x102/0x170
[ 7460.057795][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7460.057795][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7460.057795][T12167]      netlink_rcv_skb+0x130/0x360
[ 7460.057795][T12167]      netlink_unicast+0x449/0x710
[ 7460.057795][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7460.057795][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7460.057795][T12167]      ___sys_sendmsg+0xee/0x170
[ 7460.057795][T12167]      __sys_sendmsg+0xcd/0x170
[ 7460.057795][T12167]      do_syscall_64+0xc6/0x1e0
[ 7460.057795][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7460.057795][T12167] 
[ 7460.059697][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7460.059697][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7460.059697][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7460.059697][T12167]      ipv6_find_idev+0x102/0x170
[ 7460.059697][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7460.059697][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7460.059697][T12167]      netlink_rcv_skb+0x130/0x360
[ 7460.059697][T12167]      netlink_unicast+0x449/0x710
[ 7460.059697][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7460.059697][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7460.059697][T12167]      ___sys_sendmsg+0xee/0x170
[ 7460.059697][T12167]      __sys_sendmsg+0xcd/0x170
[ 7460.059697][T12167]      do_syscall_64+0xc6/0x1e0
[ 7460.059697][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7460.059697][T12167] 
[ 7470.246816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7470.247348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7470.247348][T12167]      netdev_get_by_index+0x5e/0x80
[ 7470.247348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7470.247348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7470.247348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7470.247348][T12167]      ipv6_add_addr+0x411/0x2000
[ 7470.247348][T12167]      inet6_addr_add+0x30e/0xa40
[ 7470.247348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7470.247348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7470.247348][T12167]      netlink_rcv_skb+0x130/0x360
[ 7470.247348][T12167]      netlink_unicast+0x449/0x710
[ 7470.247348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7470.247348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7470.247348][T12167]      ___sys_sendmsg+0xee/0x170
[ 7470.247348][T12167]      __sys_sendmsg+0xcd/0x170
[ 7470.247348][T12167]      do_syscall_64+0xc6/0x1e0
[ 7470.247348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7470.247348][T12167] 
[ 7470.249661][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7470.249661][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7470.249661][T12167]      ipv6_find_idev+0x102/0x170
[ 7470.249661][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7470.249661][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7470.249661][T12167]      netlink_rcv_skb+0x130/0x360
[ 7470.249661][T12167]      netlink_unicast+0x449/0x710
[ 7470.249661][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7470.249661][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7470.249661][T12167]      ___sys_sendmsg+0xee/0x170
[ 7470.249661][T12167]      __sys_sendmsg+0xcd/0x170
[ 7470.249661][T12167]      do_syscall_64+0xc6/0x1e0
[ 7470.249661][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7470.249661][T12167] 
[ 7470.251436][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7470.251436][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7470.251436][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7470.251436][T12167]      ipv6_find_idev+0x102/0x170
[ 7470.251436][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7470.251436][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7470.251436][T12167]      netlink_rcv_skb+0x130/0x360
[ 7470.251436][T12167]      netlink_unicast+0x449/0x710
[ 7470.251436][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7470.251436][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7470.251436][T12167]      ___sys_sendmsg+0xee/0x170
[ 7470.251436][T12167]      __sys_sendmsg+0xcd/0x170
[ 7470.251436][T12167]      do_syscall_64+0xc6/0x1e0
[ 7470.251436][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7470.251436][T12167] 
[ 7480.494943][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7480.495476][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7480.495476][T12167]      netdev_get_by_index+0x5e/0x80
[ 7480.495476][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7480.495476][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7480.495476][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7480.495476][T12167]      ipv6_add_addr+0x411/0x2000
[ 7480.495476][T12167]      inet6_addr_add+0x30e/0xa40
[ 7480.495476][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7480.495476][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7480.495476][T12167]      netlink_rcv_skb+0x130/0x360
[ 7480.495476][T12167]      netlink_unicast+0x449/0x710
[ 7480.495476][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7480.495476][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7480.495476][T12167]      ___sys_sendmsg+0xee/0x170
[ 7480.495476][T12167]      __sys_sendmsg+0xcd/0x170
[ 7480.495476][T12167]      do_syscall_64+0xc6/0x1e0
[ 7480.495476][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7480.495476][T12167] 
[ 7480.497821][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7480.497821][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7480.497821][T12167]      ipv6_find_idev+0x102/0x170
[ 7480.497821][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7480.497821][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7480.497821][T12167]      netlink_rcv_skb+0x130/0x360
[ 7480.497821][T12167]      netlink_unicast+0x449/0x710
[ 7480.497821][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7480.497821][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7480.497821][T12167]      ___sys_sendmsg+0xee/0x170
[ 7480.497821][T12167]      __sys_sendmsg+0xcd/0x170
[ 7480.497821][T12167]      do_syscall_64+0xc6/0x1e0
[ 7480.497821][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7480.497821][T12167] 
[ 7480.499596][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7480.499596][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7480.499596][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7480.499596][T12167]      ipv6_find_idev+0x102/0x170
[ 7480.499596][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7480.499596][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7480.499596][T12167]      netlink_rcv_skb+0x130/0x360
[ 7480.499596][T12167]      netlink_unicast+0x449/0x710
[ 7480.499596][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7480.499596][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7480.499596][T12167]      ___sys_sendmsg+0xee/0x170
[ 7480.499596][T12167]      __sys_sendmsg+0xcd/0x170
[ 7480.499596][T12167]      do_syscall_64+0xc6/0x1e0
[ 7480.499596][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7480.499596][T12167] 
[ 7490.742899][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7490.743392][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7490.743392][T12167]      netdev_get_by_index+0x5e/0x80
[ 7490.743392][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7490.743392][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7490.743392][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7490.743392][T12167]      ipv6_add_addr+0x411/0x2000
[ 7490.743392][T12167]      inet6_addr_add+0x30e/0xa40
[ 7490.743392][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7490.743392][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7490.743392][T12167]      netlink_rcv_skb+0x130/0x360
[ 7490.743392][T12167]      netlink_unicast+0x449/0x710
[ 7490.743392][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7490.743392][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7490.743392][T12167]      ___sys_sendmsg+0xee/0x170
[ 7490.743392][T12167]      __sys_sendmsg+0xcd/0x170
[ 7490.743392][T12167]      do_syscall_64+0xc6/0x1e0
[ 7490.743392][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7490.743392][T12167] 
[ 7490.745893][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7490.745893][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7490.745893][T12167]      ipv6_find_idev+0x102/0x170
[ 7490.745893][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7490.745893][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7490.745893][T12167]      netlink_rcv_skb+0x130/0x360
[ 7490.745893][T12167]      netlink_unicast+0x449/0x710
[ 7490.745893][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7490.745893][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7490.745893][T12167]      ___sys_sendmsg+0xee/0x170
[ 7490.745893][T12167]      __sys_sendmsg+0xcd/0x170
[ 7490.745893][T12167]      do_syscall_64+0xc6/0x1e0
[ 7490.745893][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7490.745893][T12167] 
[ 7490.747806][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7490.747806][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7490.747806][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7490.747806][T12167]      ipv6_find_idev+0x102/0x170
[ 7490.747806][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7490.747806][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7490.747806][T12167]      netlink_rcv_skb+0x130/0x360
[ 7490.747806][T12167]      netlink_unicast+0x449/0x710
[ 7490.747806][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7490.747806][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7490.747806][T12167]      ___sys_sendmsg+0xee/0x170
[ 7490.747806][T12167]      __sys_sendmsg+0xcd/0x170
[ 7490.747806][T12167]      do_syscall_64+0xc6/0x1e0
[ 7490.747806][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7490.747806][T12167] 
[ 7500.990814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7500.991297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7500.991297][T12167]      netdev_get_by_index+0x5e/0x80
[ 7500.991297][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7500.991297][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7500.991297][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7500.991297][T12167]      ipv6_add_addr+0x411/0x2000
[ 7500.991297][T12167]      inet6_addr_add+0x30e/0xa40
[ 7500.991297][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7500.991297][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7500.991297][T12167]      netlink_rcv_skb+0x130/0x360
[ 7500.991297][T12167]      netlink_unicast+0x449/0x710
[ 7500.991297][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7500.991297][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7500.991297][T12167]      ___sys_sendmsg+0xee/0x170
[ 7500.991297][T12167]      __sys_sendmsg+0xcd/0x170
[ 7500.991297][T12167]      do_syscall_64+0xc6/0x1e0
[ 7500.991297][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7500.991297][T12167] 
[ 7500.993648][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7500.993648][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7500.993648][T12167]      ipv6_find_idev+0x102/0x170
[ 7500.993648][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7500.993648][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7500.993648][T12167]      netlink_rcv_skb+0x130/0x360
[ 7500.993648][T12167]      netlink_unicast+0x449/0x710
[ 7500.993648][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7500.993648][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7500.993648][T12167]      ___sys_sendmsg+0xee/0x170
[ 7500.993648][T12167]      __sys_sendmsg+0xcd/0x170
[ 7500.993648][T12167]      do_syscall_64+0xc6/0x1e0
[ 7500.993648][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7500.993648][T12167] 
[ 7500.995437][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7500.995437][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7500.995437][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7500.995437][T12167]      ipv6_find_idev+0x102/0x170
[ 7500.995437][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7500.995437][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7500.995437][T12167]      netlink_rcv_skb+0x130/0x360
[ 7500.995437][T12167]      netlink_unicast+0x449/0x710
[ 7500.995437][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7500.995437][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7500.995437][T12167]      ___sys_sendmsg+0xee/0x170
[ 7500.995437][T12167]      __sys_sendmsg+0xcd/0x170
[ 7500.995437][T12167]      do_syscall_64+0xc6/0x1e0
[ 7500.995437][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7500.995437][T12167] 
[ 7511.238843][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7511.239365][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7511.239365][T12167]      netdev_get_by_index+0x5e/0x80
[ 7511.239365][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7511.239365][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7511.239365][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7511.239365][T12167]      ipv6_add_addr+0x411/0x2000
[ 7511.239365][T12167]      inet6_addr_add+0x30e/0xa40
[ 7511.239365][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7511.239365][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7511.239365][T12167]      netlink_rcv_skb+0x130/0x360
[ 7511.239365][T12167]      netlink_unicast+0x449/0x710
[ 7511.239365][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7511.239365][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7511.239365][T12167]      ___sys_sendmsg+0xee/0x170
[ 7511.239365][T12167]      __sys_sendmsg+0xcd/0x170
[ 7511.239365][T12167]      do_syscall_64+0xc6/0x1e0
[ 7511.239365][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7511.239365][T12167] 
[ 7511.241888][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7511.241888][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7511.241888][T12167]      ipv6_find_idev+0x102/0x170
[ 7511.241888][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7511.241888][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7511.241888][T12167]      netlink_rcv_skb+0x130/0x360
[ 7511.241888][T12167]      netlink_unicast+0x449/0x710
[ 7511.241888][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7511.241888][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7511.241888][T12167]      ___sys_sendmsg+0xee/0x170
[ 7511.241888][T12167]      __sys_sendmsg+0xcd/0x170
[ 7511.241888][T12167]      do_syscall_64+0xc6/0x1e0
[ 7511.241888][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7511.241888][T12167] 
[ 7511.243843][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7511.243843][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7511.243843][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7511.243843][T12167]      ipv6_find_idev+0x102/0x170
[ 7511.243843][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7511.243843][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7511.243843][T12167]      netlink_rcv_skb+0x130/0x360
[ 7511.243843][T12167]      netlink_unicast+0x449/0x710
[ 7511.243843][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7511.243843][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7511.243843][T12167]      ___sys_sendmsg+0xee/0x170
[ 7511.243843][T12167]      __sys_sendmsg+0xcd/0x170
[ 7511.243843][T12167]      do_syscall_64+0xc6/0x1e0
[ 7511.243843][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7511.243843][T12167] 
[ 7521.486864][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7521.487376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7521.487376][T12167]      netdev_get_by_index+0x5e/0x80
[ 7521.487376][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7521.487376][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7521.487376][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7521.487376][T12167]      ipv6_add_addr+0x411/0x2000
[ 7521.487376][T12167]      inet6_addr_add+0x30e/0xa40
[ 7521.487376][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7521.487376][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7521.487376][T12167]      netlink_rcv_skb+0x130/0x360
[ 7521.487376][T12167]      netlink_unicast+0x449/0x710
[ 7521.487376][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7521.487376][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7521.487376][T12167]      ___sys_sendmsg+0xee/0x170
[ 7521.487376][T12167]      __sys_sendmsg+0xcd/0x170
[ 7521.487376][T12167]      do_syscall_64+0xc6/0x1e0
[ 7521.487376][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7521.487376][T12167] 
[ 7521.489716][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7521.489716][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7521.489716][T12167]      ipv6_find_idev+0x102/0x170
[ 7521.489716][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7521.489716][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7521.489716][T12167]      netlink_rcv_skb+0x130/0x360
[ 7521.489716][T12167]      netlink_unicast+0x449/0x710
[ 7521.489716][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7521.489716][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7521.489716][T12167]      ___sys_sendmsg+0xee/0x170
[ 7521.489716][T12167]      __sys_sendmsg+0xcd/0x170
[ 7521.489716][T12167]      do_syscall_64+0xc6/0x1e0
[ 7521.489716][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7521.489716][T12167] 
[ 7521.491509][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7521.491509][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7521.491509][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7521.491509][T12167]      ipv6_find_idev+0x102/0x170
[ 7521.491509][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7521.491509][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7521.491509][T12167]      netlink_rcv_skb+0x130/0x360
[ 7521.491509][T12167]      netlink_unicast+0x449/0x710
[ 7521.491509][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7521.491509][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7521.491509][T12167]      ___sys_sendmsg+0xee/0x170
[ 7521.491509][T12167]      __sys_sendmsg+0xcd/0x170
[ 7521.491509][T12167]      do_syscall_64+0xc6/0x1e0
[ 7521.491509][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7521.491509][T12167] 
[ 7531.734823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7531.735376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7531.735376][T12167]      netdev_get_by_index+0x5e/0x80
[ 7531.735376][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7531.735376][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7531.735376][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7531.735376][T12167]      ipv6_add_addr+0x411/0x2000
[ 7531.735376][T12167]      inet6_addr_add+0x30e/0xa40
[ 7531.735376][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7531.735376][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7531.735376][T12167]      netlink_rcv_skb+0x130/0x360
[ 7531.735376][T12167]      netlink_unicast+0x449/0x710
[ 7531.735376][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7531.735376][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7531.735376][T12167]      ___sys_sendmsg+0xee/0x170
[ 7531.735376][T12167]      __sys_sendmsg+0xcd/0x170
[ 7531.735376][T12167]      do_syscall_64+0xc6/0x1e0
[ 7531.735376][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7531.735376][T12167] 
[ 7531.737687][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7531.737687][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7531.737687][T12167]      ipv6_find_idev+0x102/0x170
[ 7531.737687][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7531.737687][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7531.737687][T12167]      netlink_rcv_skb+0x130/0x360
[ 7531.737687][T12167]      netlink_unicast+0x449/0x710
[ 7531.737687][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7531.737687][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7531.737687][T12167]      ___sys_sendmsg+0xee/0x170
[ 7531.737687][T12167]      __sys_sendmsg+0xcd/0x170
[ 7531.737687][T12167]      do_syscall_64+0xc6/0x1e0
[ 7531.737687][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7531.737687][T12167] 
[ 7531.739470][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7531.739470][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7531.739470][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7531.739470][T12167]      ipv6_find_idev+0x102/0x170
[ 7531.739470][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7531.739470][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7531.739470][T12167]      netlink_rcv_skb+0x130/0x360
[ 7531.739470][T12167]      netlink_unicast+0x449/0x710
[ 7531.739470][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7531.739470][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7531.739470][T12167]      ___sys_sendmsg+0xee/0x170
[ 7531.739470][T12167]      __sys_sendmsg+0xcd/0x170
[ 7531.739470][T12167]      do_syscall_64+0xc6/0x1e0
[ 7531.739470][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7531.739470][T12167] 
[ 7541.982810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7541.983356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7541.983356][T12167]      netdev_get_by_index+0x5e/0x80
[ 7541.983356][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7541.983356][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7541.983356][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7541.983356][T12167]      ipv6_add_addr+0x411/0x2000
[ 7541.983356][T12167]      inet6_addr_add+0x30e/0xa40
[ 7541.983356][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7541.983356][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7541.983356][T12167]      netlink_rcv_skb+0x130/0x360
[ 7541.983356][T12167]      netlink_unicast+0x449/0x710
[ 7541.983356][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7541.983356][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7541.983356][T12167]      ___sys_sendmsg+0xee/0x170
[ 7541.983356][T12167]      __sys_sendmsg+0xcd/0x170
[ 7541.983356][T12167]      do_syscall_64+0xc6/0x1e0
[ 7541.983356][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7541.983356][T12167] 
[ 7541.985669][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7541.985669][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7541.985669][T12167]      ipv6_find_idev+0x102/0x170
[ 7541.985669][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7541.985669][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7541.985669][T12167]      netlink_rcv_skb+0x130/0x360
[ 7541.985669][T12167]      netlink_unicast+0x449/0x710
[ 7541.985669][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7541.985669][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7541.985669][T12167]      ___sys_sendmsg+0xee/0x170
[ 7541.985669][T12167]      __sys_sendmsg+0xcd/0x170
[ 7541.985669][T12167]      do_syscall_64+0xc6/0x1e0
[ 7541.985669][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7541.985669][T12167] 
[ 7541.987440][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7541.987440][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7541.987440][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7541.987440][T12167]      ipv6_find_idev+0x102/0x170
[ 7541.987440][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7541.987440][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7541.987440][T12167]      netlink_rcv_skb+0x130/0x360
[ 7541.987440][T12167]      netlink_unicast+0x449/0x710
[ 7541.987440][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7541.987440][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7541.987440][T12167]      ___sys_sendmsg+0xee/0x170
[ 7541.987440][T12167]      __sys_sendmsg+0xcd/0x170
[ 7541.987440][T12167]      do_syscall_64+0xc6/0x1e0
[ 7541.987440][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7541.987440][T12167] 
[ 7552.038808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7552.039331][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7552.039331][T12167]      netdev_get_by_index+0x5e/0x80
[ 7552.039331][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7552.039331][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7552.039331][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7552.039331][T12167]      ipv6_add_addr+0x411/0x2000
[ 7552.039331][T12167]      inet6_addr_add+0x30e/0xa40
[ 7552.039331][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7552.039331][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7552.039331][T12167]      netlink_rcv_skb+0x130/0x360
[ 7552.039331][T12167]      netlink_unicast+0x449/0x710
[ 7552.039331][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7552.039331][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7552.039331][T12167]      ___sys_sendmsg+0xee/0x170
[ 7552.039331][T12167]      __sys_sendmsg+0xcd/0x170
[ 7552.039331][T12167]      do_syscall_64+0xc6/0x1e0
[ 7552.039331][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7552.039331][T12167] 
[ 7552.041850][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7552.041850][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7552.041850][T12167]      ipv6_find_idev+0x102/0x170
[ 7552.041850][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7552.041850][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7552.041850][T12167]      netlink_rcv_skb+0x130/0x360
[ 7552.041850][T12167]      netlink_unicast+0x449/0x710
[ 7552.041850][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7552.041850][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7552.041850][T12167]      ___sys_sendmsg+0xee/0x170
[ 7552.041850][T12167]      __sys_sendmsg+0xcd/0x170
[ 7552.041850][T12167]      do_syscall_64+0xc6/0x1e0
[ 7552.041850][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7552.041850][T12167] 
[ 7552.043782][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7552.043782][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7552.043782][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7552.043782][T12167]      ipv6_find_idev+0x102/0x170
[ 7552.043782][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7552.043782][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7552.043782][T12167]      netlink_rcv_skb+0x130/0x360
[ 7552.043782][T12167]      netlink_unicast+0x449/0x710
[ 7552.043782][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7552.043782][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7552.043782][T12167]      ___sys_sendmsg+0xee/0x170
[ 7552.043782][T12167]      __sys_sendmsg+0xcd/0x170
[ 7552.043782][T12167]      do_syscall_64+0xc6/0x1e0
[ 7552.043782][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7552.043782][T12167] 
[ 7562.286853][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7562.287414][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7562.287414][T12167]      netdev_get_by_index+0x5e/0x80
[ 7562.287414][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7562.287414][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7562.287414][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7562.287414][T12167]      ipv6_add_addr+0x411/0x2000
[ 7562.287414][T12167]      inet6_addr_add+0x30e/0xa40
[ 7562.287414][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7562.287414][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7562.287414][T12167]      netlink_rcv_skb+0x130/0x360
[ 7562.287414][T12167]      netlink_unicast+0x449/0x710
[ 7562.287414][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7562.287414][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7562.287414][T12167]      ___sys_sendmsg+0xee/0x170
[ 7562.287414][T12167]      __sys_sendmsg+0xcd/0x170
[ 7562.287414][T12167]      do_syscall_64+0xc6/0x1e0
[ 7562.287414][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7562.287414][T12167] 
[ 7562.289769][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7562.289769][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7562.289769][T12167]      ipv6_find_idev+0x102/0x170
[ 7562.289769][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7562.289769][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7562.289769][T12167]      netlink_rcv_skb+0x130/0x360
[ 7562.289769][T12167]      netlink_unicast+0x449/0x710
[ 7562.289769][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7562.289769][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7562.289769][T12167]      ___sys_sendmsg+0xee/0x170
[ 7562.289769][T12167]      __sys_sendmsg+0xcd/0x170
[ 7562.289769][T12167]      do_syscall_64+0xc6/0x1e0
[ 7562.289769][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7562.289769][T12167] 
[ 7562.291557][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7562.291557][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7562.291557][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7562.291557][T12167]      ipv6_find_idev+0x102/0x170
[ 7562.291557][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7562.291557][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7562.291557][T12167]      netlink_rcv_skb+0x130/0x360
[ 7562.291557][T12167]      netlink_unicast+0x449/0x710
[ 7562.291557][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7562.291557][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7562.291557][T12167]      ___sys_sendmsg+0xee/0x170
[ 7562.291557][T12167]      __sys_sendmsg+0xcd/0x170
[ 7562.291557][T12167]      do_syscall_64+0xc6/0x1e0
[ 7562.291557][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7562.291557][T12167] 
[ 7572.534821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7572.535350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7572.535350][T12167]      netdev_get_by_index+0x5e/0x80
[ 7572.535350][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7572.535350][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7572.535350][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7572.535350][T12167]      ipv6_add_addr+0x411/0x2000
[ 7572.535350][T12167]      inet6_addr_add+0x30e/0xa40
[ 7572.535350][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7572.535350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7572.535350][T12167]      netlink_rcv_skb+0x130/0x360
[ 7572.535350][T12167]      netlink_unicast+0x449/0x710
[ 7572.535350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7572.535350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7572.535350][T12167]      ___sys_sendmsg+0xee/0x170
[ 7572.535350][T12167]      __sys_sendmsg+0xcd/0x170
[ 7572.535350][T12167]      do_syscall_64+0xc6/0x1e0
[ 7572.535350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7572.535350][T12167] 
[ 7572.537687][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7572.537687][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7572.537687][T12167]      ipv6_find_idev+0x102/0x170
[ 7572.537687][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7572.537687][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7572.537687][T12167]      netlink_rcv_skb+0x130/0x360
[ 7572.537687][T12167]      netlink_unicast+0x449/0x710
[ 7572.537687][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7572.537687][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7572.537687][T12167]      ___sys_sendmsg+0xee/0x170
[ 7572.537687][T12167]      __sys_sendmsg+0xcd/0x170
[ 7572.537687][T12167]      do_syscall_64+0xc6/0x1e0
[ 7572.537687][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7572.537687][T12167] 
[ 7572.540012][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7572.540012][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7572.540012][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7572.540012][T12167]      ipv6_find_idev+0x102/0x170
[ 7572.540012][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7572.540012][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7572.540012][T12167]      netlink_rcv_skb+0x130/0x360
[ 7572.540012][T12167]      netlink_unicast+0x449/0x710
[ 7572.540012][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7572.540012][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7572.540012][T12167]      ___sys_sendmsg+0xee/0x170
[ 7572.540012][T12167]      __sys_sendmsg+0xcd/0x170
[ 7572.540012][T12167]      do_syscall_64+0xc6/0x1e0
[ 7572.540012][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7572.540012][T12167] 
[ 7582.686747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7582.687308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7582.687308][T12167]      netdev_get_by_index+0x5e/0x80
[ 7582.687308][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7582.687308][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7582.687308][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7582.687308][T12167]      ipv6_add_addr+0x411/0x2000
[ 7582.687308][T12167]      inet6_addr_add+0x30e/0xa40
[ 7582.687308][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7582.687308][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7582.687308][T12167]      netlink_rcv_skb+0x130/0x360
[ 7582.687308][T12167]      netlink_unicast+0x449/0x710
[ 7582.687308][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7582.687308][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7582.687308][T12167]      ___sys_sendmsg+0xee/0x170
[ 7582.687308][T12167]      __sys_sendmsg+0xcd/0x170
[ 7582.687308][T12167]      do_syscall_64+0xc6/0x1e0
[ 7582.687308][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7582.687308][T12167] 
[ 7582.689931][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7582.689931][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7582.689931][T12167]      ipv6_find_idev+0x102/0x170
[ 7582.689931][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7582.689931][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7582.689931][T12167]      netlink_rcv_skb+0x130/0x360
[ 7582.689931][T12167]      netlink_unicast+0x449/0x710
[ 7582.689931][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7582.689931][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7582.689931][T12167]      ___sys_sendmsg+0xee/0x170
[ 7582.689931][T12167]      __sys_sendmsg+0xcd/0x170
[ 7582.689931][T12167]      do_syscall_64+0xc6/0x1e0
[ 7582.689931][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7582.689931][T12167] 
[ 7582.691915][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7582.691915][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7582.691915][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7582.691915][T12167]      ipv6_find_idev+0x102/0x170
[ 7582.691915][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7582.691915][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7582.691915][T12167]      netlink_rcv_skb+0x130/0x360
[ 7582.691915][T12167]      netlink_unicast+0x449/0x710
[ 7582.691915][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7582.691915][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7582.691915][T12167]      ___sys_sendmsg+0xee/0x170
[ 7582.691915][T12167]      __sys_sendmsg+0xcd/0x170
[ 7582.691915][T12167]      do_syscall_64+0xc6/0x1e0
[ 7582.691915][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7582.691915][T12167] 
[ 7592.726757][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7592.727310][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7592.727310][T12167]      netdev_get_by_index+0x5e/0x80
[ 7592.727310][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7592.727310][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7592.727310][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7592.727310][T12167]      ipv6_add_addr+0x411/0x2000
[ 7592.727310][T12167]      inet6_addr_add+0x30e/0xa40
[ 7592.727310][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7592.727310][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7592.727310][T12167]      netlink_rcv_skb+0x130/0x360
[ 7592.727310][T12167]      netlink_unicast+0x449/0x710
[ 7592.727310][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7592.727310][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7592.727310][T12167]      ___sys_sendmsg+0xee/0x170
[ 7592.727310][T12167]      __sys_sendmsg+0xcd/0x170
[ 7592.727310][T12167]      do_syscall_64+0xc6/0x1e0
[ 7592.727310][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7592.727310][T12167] 
[ 7592.730098][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7592.730098][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7592.730098][T12167]      ipv6_find_idev+0x102/0x170
[ 7592.730098][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7592.730098][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7592.730098][T12167]      netlink_rcv_skb+0x130/0x360
[ 7592.730098][T12167]      netlink_unicast+0x449/0x710
[ 7592.730098][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7592.730098][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7592.730098][T12167]      ___sys_sendmsg+0xee/0x170
[ 7592.730098][T12167]      __sys_sendmsg+0xcd/0x170
[ 7592.730098][T12167]      do_syscall_64+0xc6/0x1e0
[ 7592.730098][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7592.730098][T12167] 
[ 7592.732229][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7592.732229][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7592.732229][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7592.732229][T12167]      ipv6_find_idev+0x102/0x170
[ 7592.732229][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7592.732229][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7592.732229][T12167]      netlink_rcv_skb+0x130/0x360
[ 7592.732229][T12167]      netlink_unicast+0x449/0x710
[ 7592.732229][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7592.732229][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7592.732229][T12167]      ___sys_sendmsg+0xee/0x170
[ 7592.732229][T12167]      __sys_sendmsg+0xcd/0x170
[ 7592.732229][T12167]      do_syscall_64+0xc6/0x1e0
[ 7592.732229][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7592.732229][T12167] 
[ 7602.974768][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7602.975348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7602.975348][T12167]      netdev_get_by_index+0x5e/0x80
[ 7602.975348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7602.975348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7602.975348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7602.975348][T12167]      ipv6_add_addr+0x411/0x2000
[ 7602.975348][T12167]      inet6_addr_add+0x30e/0xa40
[ 7602.975348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7602.975348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7602.975348][T12167]      netlink_rcv_skb+0x130/0x360
[ 7602.975348][T12167]      netlink_unicast+0x449/0x710
[ 7602.975348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7602.975348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7602.975348][T12167]      ___sys_sendmsg+0xee/0x170
[ 7602.975348][T12167]      __sys_sendmsg+0xcd/0x170
[ 7602.975348][T12167]      do_syscall_64+0xc6/0x1e0
[ 7602.975348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7602.975348][T12167] 
[ 7602.977940][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7602.977940][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7602.977940][T12167]      ipv6_find_idev+0x102/0x170
[ 7602.977940][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7602.977940][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7602.977940][T12167]      netlink_rcv_skb+0x130/0x360
[ 7602.977940][T12167]      netlink_unicast+0x449/0x710
[ 7602.977940][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7602.977940][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7602.977940][T12167]      ___sys_sendmsg+0xee/0x170
[ 7602.977940][T12167]      __sys_sendmsg+0xcd/0x170
[ 7602.977940][T12167]      do_syscall_64+0xc6/0x1e0
[ 7602.977940][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7602.977940][T12167] 
[ 7602.979937][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7602.979937][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7602.979937][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7602.979937][T12167]      ipv6_find_idev+0x102/0x170
[ 7602.979937][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7602.979937][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7602.979937][T12167]      netlink_rcv_skb+0x130/0x360
[ 7602.979937][T12167]      netlink_unicast+0x449/0x710
[ 7602.979937][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7602.979937][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7602.979937][T12167]      ___sys_sendmsg+0xee/0x170
[ 7602.979937][T12167]      __sys_sendmsg+0xcd/0x170
[ 7602.979937][T12167]      do_syscall_64+0xc6/0x1e0
[ 7602.979937][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7602.979937][T12167] 
[ 7613.222833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7613.223401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7613.223401][T12167]      netdev_get_by_index+0x5e/0x80
[ 7613.223401][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7613.223401][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7613.223401][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7613.223401][T12167]      ipv6_add_addr+0x411/0x2000
[ 7613.223401][T12167]      inet6_addr_add+0x30e/0xa40
[ 7613.223401][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7613.223401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7613.223401][T12167]      netlink_rcv_skb+0x130/0x360
[ 7613.223401][T12167]      netlink_unicast+0x449/0x710
[ 7613.223401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7613.223401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7613.223401][T12167]      ___sys_sendmsg+0xee/0x170
[ 7613.223401][T12167]      __sys_sendmsg+0xcd/0x170
[ 7613.223401][T12167]      do_syscall_64+0xc6/0x1e0
[ 7613.223401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7613.223401][T12167] 
[ 7613.225717][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7613.225717][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7613.225717][T12167]      ipv6_find_idev+0x102/0x170
[ 7613.225717][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7613.225717][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7613.225717][T12167]      netlink_rcv_skb+0x130/0x360
[ 7613.225717][T12167]      netlink_unicast+0x449/0x710
[ 7613.225717][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7613.225717][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7613.225717][T12167]      ___sys_sendmsg+0xee/0x170
[ 7613.225717][T12167]      __sys_sendmsg+0xcd/0x170
[ 7613.225717][T12167]      do_syscall_64+0xc6/0x1e0
[ 7613.225717][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7613.225717][T12167] 
[ 7613.227495][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7613.227495][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7613.227495][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7613.227495][T12167]      ipv6_find_idev+0x102/0x170
[ 7613.227495][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7613.227495][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7613.227495][T12167]      netlink_rcv_skb+0x130/0x360
[ 7613.227495][T12167]      netlink_unicast+0x449/0x710
[ 7613.227495][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7613.227495][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7613.227495][T12167]      ___sys_sendmsg+0xee/0x170
[ 7613.227495][T12167]      __sys_sendmsg+0xcd/0x170
[ 7613.227495][T12167]      do_syscall_64+0xc6/0x1e0
[ 7613.227495][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7613.227495][T12167] 
[ 7623.470773][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7623.471288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7623.471288][T12167]      netdev_get_by_index+0x5e/0x80
[ 7623.471288][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7623.471288][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7623.471288][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7623.471288][T12167]      ipv6_add_addr+0x411/0x2000
[ 7623.471288][T12167]      inet6_addr_add+0x30e/0xa40
[ 7623.471288][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7623.471288][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7623.471288][T12167]      netlink_rcv_skb+0x130/0x360
[ 7623.471288][T12167]      netlink_unicast+0x449/0x710
[ 7623.471288][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7623.471288][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7623.471288][T12167]      ___sys_sendmsg+0xee/0x170
[ 7623.471288][T12167]      __sys_sendmsg+0xcd/0x170
[ 7623.471288][T12167]      do_syscall_64+0xc6/0x1e0
[ 7623.471288][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7623.471288][T12167] 
[ 7623.473615][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7623.473615][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7623.473615][T12167]      ipv6_find_idev+0x102/0x170
[ 7623.473615][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7623.473615][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7623.473615][T12167]      netlink_rcv_skb+0x130/0x360
[ 7623.473615][T12167]      netlink_unicast+0x449/0x710
[ 7623.473615][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7623.473615][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7623.473615][T12167]      ___sys_sendmsg+0xee/0x170
[ 7623.473615][T12167]      __sys_sendmsg+0xcd/0x170
[ 7623.473615][T12167]      do_syscall_64+0xc6/0x1e0
[ 7623.473615][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7623.473615][T12167] 
[ 7623.475393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7623.475393][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7623.475393][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7623.475393][T12167]      ipv6_find_idev+0x102/0x170
[ 7623.475393][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7623.475393][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7623.475393][T12167]      netlink_rcv_skb+0x130/0x360
[ 7623.475393][T12167]      netlink_unicast+0x449/0x710
[ 7623.475393][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7623.475393][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7623.475393][T12167]      ___sys_sendmsg+0xee/0x170
[ 7623.475393][T12167]      __sys_sendmsg+0xcd/0x170
[ 7623.475393][T12167]      do_syscall_64+0xc6/0x1e0
[ 7623.475393][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7623.475393][T12167] 
[ 7633.718849][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7633.719407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7633.719407][T12167]      netdev_get_by_index+0x5e/0x80
[ 7633.719407][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7633.719407][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7633.719407][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7633.719407][T12167]      ipv6_add_addr+0x411/0x2000
[ 7633.719407][T12167]      inet6_addr_add+0x30e/0xa40
[ 7633.719407][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7633.719407][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7633.719407][T12167]      netlink_rcv_skb+0x130/0x360
[ 7633.719407][T12167]      netlink_unicast+0x449/0x710
[ 7633.719407][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7633.719407][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7633.719407][T12167]      ___sys_sendmsg+0xee/0x170
[ 7633.719407][T12167]      __sys_sendmsg+0xcd/0x170
[ 7633.719407][T12167]      do_syscall_64+0xc6/0x1e0
[ 7633.719407][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7633.719407][T12167] 
[ 7633.721720][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7633.721720][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7633.721720][T12167]      ipv6_find_idev+0x102/0x170
[ 7633.721720][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7633.721720][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7633.721720][T12167]      netlink_rcv_skb+0x130/0x360
[ 7633.721720][T12167]      netlink_unicast+0x449/0x710
[ 7633.721720][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7633.721720][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7633.721720][T12167]      ___sys_sendmsg+0xee/0x170
[ 7633.721720][T12167]      __sys_sendmsg+0xcd/0x170
[ 7633.721720][T12167]      do_syscall_64+0xc6/0x1e0
[ 7633.721720][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7633.721720][T12167] 
[ 7633.723493][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7633.723493][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7633.723493][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7633.723493][T12167]      ipv6_find_idev+0x102/0x170
[ 7633.723493][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7633.723493][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7633.723493][T12167]      netlink_rcv_skb+0x130/0x360
[ 7633.723493][T12167]      netlink_unicast+0x449/0x710
[ 7633.723493][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7633.723493][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7633.723493][T12167]      ___sys_sendmsg+0xee/0x170
[ 7633.723493][T12167]      __sys_sendmsg+0xcd/0x170
[ 7633.723493][T12167]      do_syscall_64+0xc6/0x1e0
[ 7633.723493][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7633.723493][T12167] 
[ 7643.966840][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7643.967367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7643.967367][T12167]      netdev_get_by_index+0x5e/0x80
[ 7643.967367][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7643.967367][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7643.967367][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7643.967367][T12167]      ipv6_add_addr+0x411/0x2000
[ 7643.967367][T12167]      inet6_addr_add+0x30e/0xa40
[ 7643.967367][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7643.967367][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7643.967367][T12167]      netlink_rcv_skb+0x130/0x360
[ 7643.967367][T12167]      netlink_unicast+0x449/0x710
[ 7643.967367][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7643.967367][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7643.967367][T12167]      ___sys_sendmsg+0xee/0x170
[ 7643.967367][T12167]      __sys_sendmsg+0xcd/0x170
[ 7643.967367][T12167]      do_syscall_64+0xc6/0x1e0
[ 7643.967367][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7643.967367][T12167] 
[ 7643.969709][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7643.969709][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7643.969709][T12167]      ipv6_find_idev+0x102/0x170
[ 7643.969709][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7643.969709][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7643.969709][T12167]      netlink_rcv_skb+0x130/0x360
[ 7643.969709][T12167]      netlink_unicast+0x449/0x710
[ 7643.969709][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7643.969709][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7643.969709][T12167]      ___sys_sendmsg+0xee/0x170
[ 7643.969709][T12167]      __sys_sendmsg+0xcd/0x170
[ 7643.969709][T12167]      do_syscall_64+0xc6/0x1e0
[ 7643.969709][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7643.969709][T12167] 
[ 7643.971483][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7643.971483][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7643.971483][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7643.971483][T12167]      ipv6_find_idev+0x102/0x170
[ 7643.971483][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7643.971483][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7643.971483][T12167]      netlink_rcv_skb+0x130/0x360
[ 7643.971483][T12167]      netlink_unicast+0x449/0x710
[ 7643.971483][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7643.971483][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7643.971483][T12167]      ___sys_sendmsg+0xee/0x170
[ 7643.971483][T12167]      __sys_sendmsg+0xcd/0x170
[ 7643.971483][T12167]      do_syscall_64+0xc6/0x1e0
[ 7643.971483][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7643.971483][T12167] 
[ 7654.214840][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7654.215353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7654.215353][T12167]      netdev_get_by_index+0x5e/0x80
[ 7654.215353][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7654.215353][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7654.215353][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7654.215353][T12167]      ipv6_add_addr+0x411/0x2000
[ 7654.215353][T12167]      inet6_addr_add+0x30e/0xa40
[ 7654.215353][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7654.215353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7654.215353][T12167]      netlink_rcv_skb+0x130/0x360
[ 7654.215353][T12167]      netlink_unicast+0x449/0x710
[ 7654.215353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7654.215353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7654.215353][T12167]      ___sys_sendmsg+0xee/0x170
[ 7654.215353][T12167]      __sys_sendmsg+0xcd/0x170
[ 7654.215353][T12167]      do_syscall_64+0xc6/0x1e0
[ 7654.215353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7654.215353][T12167] 
[ 7654.217701][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7654.217701][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7654.217701][T12167]      ipv6_find_idev+0x102/0x170
[ 7654.217701][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7654.217701][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7654.217701][T12167]      netlink_rcv_skb+0x130/0x360
[ 7654.217701][T12167]      netlink_unicast+0x449/0x710
[ 7654.217701][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7654.217701][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7654.217701][T12167]      ___sys_sendmsg+0xee/0x170
[ 7654.217701][T12167]      __sys_sendmsg+0xcd/0x170
[ 7654.217701][T12167]      do_syscall_64+0xc6/0x1e0
[ 7654.217701][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7654.217701][T12167] 
[ 7654.219506][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7654.219506][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7654.219506][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7654.219506][T12167]      ipv6_find_idev+0x102/0x170
[ 7654.219506][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7654.219506][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7654.219506][T12167]      netlink_rcv_skb+0x130/0x360
[ 7654.219506][T12167]      netlink_unicast+0x449/0x710
[ 7654.219506][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7654.219506][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7654.219506][T12167]      ___sys_sendmsg+0xee/0x170
[ 7654.219506][T12167]      __sys_sendmsg+0xcd/0x170
[ 7654.219506][T12167]      do_syscall_64+0xc6/0x1e0
[ 7654.219506][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7654.219506][T12167] 
[ 7664.462814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7664.463323][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7664.463323][T12167]      netdev_get_by_index+0x5e/0x80
[ 7664.463323][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7664.463323][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7664.463323][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7664.463323][T12167]      ipv6_add_addr+0x411/0x2000
[ 7664.463323][T12167]      inet6_addr_add+0x30e/0xa40
[ 7664.463323][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7664.463323][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7664.463323][T12167]      netlink_rcv_skb+0x130/0x360
[ 7664.463323][T12167]      netlink_unicast+0x449/0x710
[ 7664.463323][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7664.463323][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7664.463323][T12167]      ___sys_sendmsg+0xee/0x170
[ 7664.463323][T12167]      __sys_sendmsg+0xcd/0x170
[ 7664.463323][T12167]      do_syscall_64+0xc6/0x1e0
[ 7664.463323][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7664.463323][T12167] 
[ 7664.465657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7664.465657][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7664.465657][T12167]      ipv6_find_idev+0x102/0x170
[ 7664.465657][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7664.465657][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7664.465657][T12167]      netlink_rcv_skb+0x130/0x360
[ 7664.465657][T12167]      netlink_unicast+0x449/0x710
[ 7664.465657][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7664.465657][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7664.465657][T12167]      ___sys_sendmsg+0xee/0x170
[ 7664.465657][T12167]      __sys_sendmsg+0xcd/0x170
[ 7664.465657][T12167]      do_syscall_64+0xc6/0x1e0
[ 7664.465657][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7664.465657][T12167] 
[ 7664.467432][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7664.467432][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7664.467432][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7664.467432][T12167]      ipv6_find_idev+0x102/0x170
[ 7664.467432][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7664.467432][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7664.467432][T12167]      netlink_rcv_skb+0x130/0x360
[ 7664.467432][T12167]      netlink_unicast+0x449/0x710
[ 7664.467432][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7664.467432][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7664.467432][T12167]      ___sys_sendmsg+0xee/0x170
[ 7664.467432][T12167]      __sys_sendmsg+0xcd/0x170
[ 7664.467432][T12167]      do_syscall_64+0xc6/0x1e0
[ 7664.467432][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7664.467432][T12167] 
[ 7674.710812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7674.711358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7674.711358][T12167]      netdev_get_by_index+0x5e/0x80
[ 7674.711358][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7674.711358][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7674.711358][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7674.711358][T12167]      ipv6_add_addr+0x411/0x2000
[ 7674.711358][T12167]      inet6_addr_add+0x30e/0xa40
[ 7674.711358][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7674.711358][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7674.711358][T12167]      netlink_rcv_skb+0x130/0x360
[ 7674.711358][T12167]      netlink_unicast+0x449/0x710
[ 7674.711358][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7674.711358][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7674.711358][T12167]      ___sys_sendmsg+0xee/0x170
[ 7674.711358][T12167]      __sys_sendmsg+0xcd/0x170
[ 7674.711358][T12167]      do_syscall_64+0xc6/0x1e0
[ 7674.711358][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7674.711358][T12167] 
[ 7674.713674][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7674.713674][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7674.713674][T12167]      ipv6_find_idev+0x102/0x170
[ 7674.713674][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7674.713674][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7674.713674][T12167]      netlink_rcv_skb+0x130/0x360
[ 7674.713674][T12167]      netlink_unicast+0x449/0x710
[ 7674.713674][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7674.713674][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7674.713674][T12167]      ___sys_sendmsg+0xee/0x170
[ 7674.713674][T12167]      __sys_sendmsg+0xcd/0x170
[ 7674.713674][T12167]      do_syscall_64+0xc6/0x1e0
[ 7674.713674][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7674.713674][T12167] 
[ 7674.715442][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7674.715442][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7674.715442][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7674.715442][T12167]      ipv6_find_idev+0x102/0x170
[ 7674.715442][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7674.715442][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7674.715442][T12167]      netlink_rcv_skb+0x130/0x360
[ 7674.715442][T12167]      netlink_unicast+0x449/0x710
[ 7674.715442][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7674.715442][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7674.715442][T12167]      ___sys_sendmsg+0xee/0x170
[ 7674.715442][T12167]      __sys_sendmsg+0xcd/0x170
[ 7674.715442][T12167]      do_syscall_64+0xc6/0x1e0
[ 7674.715442][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7674.715442][T12167] 
[ 7684.958814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7684.959333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7684.959333][T12167]      netdev_get_by_index+0x5e/0x80
[ 7684.959333][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7684.959333][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7684.959333][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7684.959333][T12167]      ipv6_add_addr+0x411/0x2000
[ 7684.959333][T12167]      inet6_addr_add+0x30e/0xa40
[ 7684.959333][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7684.959333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7684.959333][T12167]      netlink_rcv_skb+0x130/0x360
[ 7684.959333][T12167]      netlink_unicast+0x449/0x710
[ 7684.959333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7684.959333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7684.959333][T12167]      ___sys_sendmsg+0xee/0x170
[ 7684.959333][T12167]      __sys_sendmsg+0xcd/0x170
[ 7684.959333][T12167]      do_syscall_64+0xc6/0x1e0
[ 7684.959333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7684.959333][T12167] 
[ 7684.961661][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7684.961661][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7684.961661][T12167]      ipv6_find_idev+0x102/0x170
[ 7684.961661][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7684.961661][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7684.961661][T12167]      netlink_rcv_skb+0x130/0x360
[ 7684.961661][T12167]      netlink_unicast+0x449/0x710
[ 7684.961661][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7684.961661][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7684.961661][T12167]      ___sys_sendmsg+0xee/0x170
[ 7684.961661][T12167]      __sys_sendmsg+0xcd/0x170
[ 7684.961661][T12167]      do_syscall_64+0xc6/0x1e0
[ 7684.961661][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7684.961661][T12167] 
[ 7684.963939][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7684.963939][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7684.963939][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7684.963939][T12167]      ipv6_find_idev+0x102/0x170
[ 7684.963939][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7684.963939][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7684.963939][T12167]      netlink_rcv_skb+0x130/0x360
[ 7684.963939][T12167]      netlink_unicast+0x449/0x710
[ 7684.963939][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7684.963939][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7684.963939][T12167]      ___sys_sendmsg+0xee/0x170
[ 7684.963939][T12167]      __sys_sendmsg+0xcd/0x170
[ 7684.963939][T12167]      do_syscall_64+0xc6/0x1e0
[ 7684.963939][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7684.963939][T12167] 
[ 7695.206833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7695.207483][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7695.207483][T12167]      netdev_get_by_index+0x5e/0x80
[ 7695.207483][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7695.207483][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7695.207483][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7695.207483][T12167]      ipv6_add_addr+0x411/0x2000
[ 7695.207483][T12167]      inet6_addr_add+0x30e/0xa40
[ 7695.207483][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7695.207483][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7695.207483][T12167]      netlink_rcv_skb+0x130/0x360
[ 7695.207483][T12167]      netlink_unicast+0x449/0x710
[ 7695.207483][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7695.207483][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7695.207483][T12167]      ___sys_sendmsg+0xee/0x170
[ 7695.207483][T12167]      __sys_sendmsg+0xcd/0x170
[ 7695.207483][T12167]      do_syscall_64+0xc6/0x1e0
[ 7695.207483][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7695.207483][T12167] 
[ 7695.211079][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7695.211079][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7695.211079][T12167]      ipv6_find_idev+0x102/0x170
[ 7695.211079][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7695.211079][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7695.211079][T12167]      netlink_rcv_skb+0x130/0x360
[ 7695.211079][T12167]      netlink_unicast+0x449/0x710
[ 7695.211079][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7695.211079][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7695.211079][T12167]      ___sys_sendmsg+0xee/0x170
[ 7695.211079][T12167]      __sys_sendmsg+0xcd/0x170
[ 7695.211079][T12167]      do_syscall_64+0xc6/0x1e0
[ 7695.211079][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7695.211079][T12167] 
[ 7695.213886][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7695.213886][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7695.213886][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7695.213886][T12167]      ipv6_find_idev+0x102/0x170
[ 7695.213886][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7695.213886][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7695.213886][T12167]      netlink_rcv_skb+0x130/0x360
[ 7695.213886][T12167]      netlink_unicast+0x449/0x710
[ 7695.213886][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7695.213886][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7695.213886][T12167]      ___sys_sendmsg+0xee/0x170
[ 7695.213886][T12167]      __sys_sendmsg+0xcd/0x170
[ 7695.213886][T12167]      do_syscall_64+0xc6/0x1e0
[ 7695.213886][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7695.213886][T12167] 
[ 7705.454849][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7705.455382][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7705.455382][T12167]      netdev_get_by_index+0x5e/0x80
[ 7705.455382][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7705.455382][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7705.455382][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7705.455382][T12167]      ipv6_add_addr+0x411/0x2000
[ 7705.455382][T12167]      inet6_addr_add+0x30e/0xa40
[ 7705.455382][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7705.455382][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7705.455382][T12167]      netlink_rcv_skb+0x130/0x360
[ 7705.455382][T12167]      netlink_unicast+0x449/0x710
[ 7705.455382][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7705.455382][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7705.455382][T12167]      ___sys_sendmsg+0xee/0x170
[ 7705.455382][T12167]      __sys_sendmsg+0xcd/0x170
[ 7705.455382][T12167]      do_syscall_64+0xc6/0x1e0
[ 7705.455382][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7705.455382][T12167] 
[ 7705.457659][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7705.457659][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7705.457659][T12167]      ipv6_find_idev+0x102/0x170
[ 7705.457659][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7705.457659][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7705.457659][T12167]      netlink_rcv_skb+0x130/0x360
[ 7705.457659][T12167]      netlink_unicast+0x449/0x710
[ 7705.457659][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7705.457659][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7705.457659][T12167]      ___sys_sendmsg+0xee/0x170
[ 7705.457659][T12167]      __sys_sendmsg+0xcd/0x170
[ 7705.457659][T12167]      do_syscall_64+0xc6/0x1e0
[ 7705.457659][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7705.457659][T12167] 
[ 7705.459427][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7705.459427][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7705.459427][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7705.459427][T12167]      ipv6_find_idev+0x102/0x170
[ 7705.459427][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7705.459427][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7705.459427][T12167]      netlink_rcv_skb+0x130/0x360
[ 7705.459427][T12167]      netlink_unicast+0x449/0x710
[ 7705.459427][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7705.459427][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7705.459427][T12167]      ___sys_sendmsg+0xee/0x170
[ 7705.459427][T12167]      __sys_sendmsg+0xcd/0x170
[ 7705.459427][T12167]      do_syscall_64+0xc6/0x1e0
[ 7705.459427][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7705.459427][T12167] 
[ 7715.478837][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7715.479368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7715.479368][T12167]      netdev_get_by_index+0x5e/0x80
[ 7715.479368][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7715.479368][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7715.479368][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7715.479368][T12167]      ipv6_add_addr+0x411/0x2000
[ 7715.479368][T12167]      inet6_addr_add+0x30e/0xa40
[ 7715.479368][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7715.479368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7715.479368][T12167]      netlink_rcv_skb+0x130/0x360
[ 7715.479368][T12167]      netlink_unicast+0x449/0x710
[ 7715.479368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7715.479368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7715.479368][T12167]      ___sys_sendmsg+0xee/0x170
[ 7715.479368][T12167]      __sys_sendmsg+0xcd/0x170
[ 7715.479368][T12167]      do_syscall_64+0xc6/0x1e0
[ 7715.479368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7715.479368][T12167] 
[ 7715.481804][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7715.481804][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7715.481804][T12167]      ipv6_find_idev+0x102/0x170
[ 7715.481804][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7715.481804][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7715.481804][T12167]      netlink_rcv_skb+0x130/0x360
[ 7715.481804][T12167]      netlink_unicast+0x449/0x710
[ 7715.481804][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7715.481804][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7715.481804][T12167]      ___sys_sendmsg+0xee/0x170
[ 7715.481804][T12167]      __sys_sendmsg+0xcd/0x170
[ 7715.481804][T12167]      do_syscall_64+0xc6/0x1e0
[ 7715.481804][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7715.481804][T12167] 
[ 7715.483569][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7715.483569][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7715.483569][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7715.483569][T12167]      ipv6_find_idev+0x102/0x170
[ 7715.483569][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7715.483569][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7715.483569][T12167]      netlink_rcv_skb+0x130/0x360
[ 7715.483569][T12167]      netlink_unicast+0x449/0x710
[ 7715.483569][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7715.483569][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7715.483569][T12167]      ___sys_sendmsg+0xee/0x170
[ 7715.483569][T12167]      __sys_sendmsg+0xcd/0x170
[ 7715.483569][T12167]      do_syscall_64+0xc6/0x1e0
[ 7715.483569][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7715.483569][T12167] 
[ 7725.558828][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7725.559339][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7725.559339][T12167]      netdev_get_by_index+0x5e/0x80
[ 7725.559339][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7725.559339][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7725.559339][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7725.559339][T12167]      ipv6_add_addr+0x411/0x2000
[ 7725.559339][T12167]      inet6_addr_add+0x30e/0xa40
[ 7725.559339][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7725.559339][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7725.559339][T12167]      netlink_rcv_skb+0x130/0x360
[ 7725.559339][T12167]      netlink_unicast+0x449/0x710
[ 7725.559339][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7725.559339][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7725.559339][T12167]      ___sys_sendmsg+0xee/0x170
[ 7725.559339][T12167]      __sys_sendmsg+0xcd/0x170
[ 7725.559339][T12167]      do_syscall_64+0xc6/0x1e0
[ 7725.559339][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7725.559339][T12167] 
[ 7725.561656][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7725.561656][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7725.561656][T12167]      ipv6_find_idev+0x102/0x170
[ 7725.561656][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7725.561656][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7725.561656][T12167]      netlink_rcv_skb+0x130/0x360
[ 7725.561656][T12167]      netlink_unicast+0x449/0x710
[ 7725.561656][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7725.561656][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7725.561656][T12167]      ___sys_sendmsg+0xee/0x170
[ 7725.561656][T12167]      __sys_sendmsg+0xcd/0x170
[ 7725.561656][T12167]      do_syscall_64+0xc6/0x1e0
[ 7725.561656][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7725.561656][T12167] 
[ 7725.563412][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7725.563412][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7725.563412][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7725.563412][T12167]      ipv6_find_idev+0x102/0x170
[ 7725.563412][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7725.563412][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7725.563412][T12167]      netlink_rcv_skb+0x130/0x360
[ 7725.563412][T12167]      netlink_unicast+0x449/0x710
[ 7725.563412][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7725.563412][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7725.563412][T12167]      ___sys_sendmsg+0xee/0x170
[ 7725.563412][T12167]      __sys_sendmsg+0xcd/0x170
[ 7725.563412][T12167]      do_syscall_64+0xc6/0x1e0
[ 7725.563412][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7725.563412][T12167] 
[ 7735.606762][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7735.607284][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7735.607284][T12167]      netdev_get_by_index+0x5e/0x80
[ 7735.607284][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7735.607284][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7735.607284][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7735.607284][T12167]      ipv6_add_addr+0x411/0x2000
[ 7735.607284][T12167]      inet6_addr_add+0x30e/0xa40
[ 7735.607284][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7735.607284][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7735.607284][T12167]      netlink_rcv_skb+0x130/0x360
[ 7735.607284][T12167]      netlink_unicast+0x449/0x710
[ 7735.607284][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7735.607284][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7735.607284][T12167]      ___sys_sendmsg+0xee/0x170
[ 7735.607284][T12167]      __sys_sendmsg+0xcd/0x170
[ 7735.607284][T12167]      do_syscall_64+0xc6/0x1e0
[ 7735.607284][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7735.607284][T12167] 
[ 7735.609624][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7735.609624][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7735.609624][T12167]      ipv6_find_idev+0x102/0x170
[ 7735.609624][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7735.609624][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7735.609624][T12167]      netlink_rcv_skb+0x130/0x360
[ 7735.609624][T12167]      netlink_unicast+0x449/0x710
[ 7735.609624][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7735.609624][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7735.609624][T12167]      ___sys_sendmsg+0xee/0x170
[ 7735.609624][T12167]      __sys_sendmsg+0xcd/0x170
[ 7735.609624][T12167]      do_syscall_64+0xc6/0x1e0
[ 7735.609624][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7735.609624][T12167] 
[ 7735.611381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7735.611381][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7735.611381][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7735.611381][T12167]      ipv6_find_idev+0x102/0x170
[ 7735.611381][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7735.611381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7735.611381][T12167]      netlink_rcv_skb+0x130/0x360
[ 7735.611381][T12167]      netlink_unicast+0x449/0x710
[ 7735.611381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7735.611381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7735.611381][T12167]      ___sys_sendmsg+0xee/0x170
[ 7735.611381][T12167]      __sys_sendmsg+0xcd/0x170
[ 7735.611381][T12167]      do_syscall_64+0xc6/0x1e0
[ 7735.611381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7735.611381][T12167] 
[ 7745.862755][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7745.863298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7745.863298][T12167]      netdev_get_by_index+0x5e/0x80
[ 7745.863298][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7745.863298][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7745.863298][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7745.863298][T12167]      ipv6_add_addr+0x411/0x2000
[ 7745.863298][T12167]      inet6_addr_add+0x30e/0xa40
[ 7745.863298][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7745.863298][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7745.863298][T12167]      netlink_rcv_skb+0x130/0x360
[ 7745.863298][T12167]      netlink_unicast+0x449/0x710
[ 7745.863298][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7745.863298][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7745.863298][T12167]      ___sys_sendmsg+0xee/0x170
[ 7745.863298][T12167]      __sys_sendmsg+0xcd/0x170
[ 7745.863298][T12167]      do_syscall_64+0xc6/0x1e0
[ 7745.863298][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7745.863298][T12167] 
[ 7745.865602][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7745.865602][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7745.865602][T12167]      ipv6_find_idev+0x102/0x170
[ 7745.865602][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7745.865602][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7745.865602][T12167]      netlink_rcv_skb+0x130/0x360
[ 7745.865602][T12167]      netlink_unicast+0x449/0x710
[ 7745.865602][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7745.865602][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7745.865602][T12167]      ___sys_sendmsg+0xee/0x170
[ 7745.865602][T12167]      __sys_sendmsg+0xcd/0x170
[ 7745.865602][T12167]      do_syscall_64+0xc6/0x1e0
[ 7745.865602][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7745.865602][T12167] 
[ 7745.867368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7745.867368][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7745.867368][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7745.867368][T12167]      ipv6_find_idev+0x102/0x170
[ 7745.867368][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7745.867368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7745.867368][T12167]      netlink_rcv_skb+0x130/0x360
[ 7745.867368][T12167]      netlink_unicast+0x449/0x710
[ 7745.867368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7745.867368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7745.867368][T12167]      ___sys_sendmsg+0xee/0x170
[ 7745.867368][T12167]      __sys_sendmsg+0xcd/0x170
[ 7745.867368][T12167]      do_syscall_64+0xc6/0x1e0
[ 7745.867368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7745.867368][T12167] 
[ 7756.118778][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7756.119320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7756.119320][T12167]      netdev_get_by_index+0x5e/0x80
[ 7756.119320][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7756.119320][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7756.119320][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7756.119320][T12167]      ipv6_add_addr+0x411/0x2000
[ 7756.119320][T12167]      inet6_addr_add+0x30e/0xa40
[ 7756.119320][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7756.119320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7756.119320][T12167]      netlink_rcv_skb+0x130/0x360
[ 7756.119320][T12167]      netlink_unicast+0x449/0x710
[ 7756.119320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7756.119320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7756.119320][T12167]      ___sys_sendmsg+0xee/0x170
[ 7756.119320][T12167]      __sys_sendmsg+0xcd/0x170
[ 7756.119320][T12167]      do_syscall_64+0xc6/0x1e0
[ 7756.119320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7756.119320][T12167] 
[ 7756.121753][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7756.121753][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7756.121753][T12167]      ipv6_find_idev+0x102/0x170
[ 7756.121753][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7756.121753][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7756.121753][T12167]      netlink_rcv_skb+0x130/0x360
[ 7756.121753][T12167]      netlink_unicast+0x449/0x710
[ 7756.121753][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7756.121753][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7756.121753][T12167]      ___sys_sendmsg+0xee/0x170
[ 7756.121753][T12167]      __sys_sendmsg+0xcd/0x170
[ 7756.121753][T12167]      do_syscall_64+0xc6/0x1e0
[ 7756.121753][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7756.121753][T12167] 
[ 7756.123607][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7756.123607][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7756.123607][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7756.123607][T12167]      ipv6_find_idev+0x102/0x170
[ 7756.123607][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7756.123607][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7756.123607][T12167]      netlink_rcv_skb+0x130/0x360
[ 7756.123607][T12167]      netlink_unicast+0x449/0x710
[ 7756.123607][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7756.123607][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7756.123607][T12167]      ___sys_sendmsg+0xee/0x170
[ 7756.123607][T12167]      __sys_sendmsg+0xcd/0x170
[ 7756.123607][T12167]      do_syscall_64+0xc6/0x1e0
[ 7756.123607][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7756.123607][T12167] 
[ 7766.374808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7766.375258][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7766.375258][T12167]      netdev_get_by_index+0x5e/0x80
[ 7766.375258][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7766.375258][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7766.375258][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7766.375258][T12167]      ipv6_add_addr+0x411/0x2000
[ 7766.375258][T12167]      inet6_addr_add+0x30e/0xa40
[ 7766.375258][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7766.375258][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7766.375258][T12167]      netlink_rcv_skb+0x130/0x360
[ 7766.375258][T12167]      netlink_unicast+0x449/0x710
[ 7766.375258][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7766.375258][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7766.375258][T12167]      ___sys_sendmsg+0xee/0x170
[ 7766.375258][T12167]      __sys_sendmsg+0xcd/0x170
[ 7766.375258][T12167]      do_syscall_64+0xc6/0x1e0
[ 7766.375258][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7766.375258][T12167] 
[ 7766.377566][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7766.377566][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7766.377566][T12167]      ipv6_find_idev+0x102/0x170
[ 7766.377566][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7766.377566][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7766.377566][T12167]      netlink_rcv_skb+0x130/0x360
[ 7766.377566][T12167]      netlink_unicast+0x449/0x710
[ 7766.377566][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7766.377566][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7766.377566][T12167]      ___sys_sendmsg+0xee/0x170
[ 7766.377566][T12167]      __sys_sendmsg+0xcd/0x170
[ 7766.377566][T12167]      do_syscall_64+0xc6/0x1e0
[ 7766.377566][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7766.377566][T12167] 
[ 7766.379332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7766.379332][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7766.379332][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7766.379332][T12167]      ipv6_find_idev+0x102/0x170
[ 7766.379332][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7766.379332][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7766.379332][T12167]      netlink_rcv_skb+0x130/0x360
[ 7766.379332][T12167]      netlink_unicast+0x449/0x710
[ 7766.379332][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7766.379332][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7766.379332][T12167]      ___sys_sendmsg+0xee/0x170
[ 7766.379332][T12167]      __sys_sendmsg+0xcd/0x170
[ 7766.379332][T12167]      do_syscall_64+0xc6/0x1e0
[ 7766.379332][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7766.379332][T12167] 
[ 7776.630844][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7776.631367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7776.631367][T12167]      netdev_get_by_index+0x5e/0x80
[ 7776.631367][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7776.631367][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7776.631367][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7776.631367][T12167]      ipv6_add_addr+0x411/0x2000
[ 7776.631367][T12167]      inet6_addr_add+0x30e/0xa40
[ 7776.631367][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7776.631367][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7776.631367][T12167]      netlink_rcv_skb+0x130/0x360
[ 7776.631367][T12167]      netlink_unicast+0x449/0x710
[ 7776.631367][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7776.631367][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7776.631367][T12167]      ___sys_sendmsg+0xee/0x170
[ 7776.631367][T12167]      __sys_sendmsg+0xcd/0x170
[ 7776.631367][T12167]      do_syscall_64+0xc6/0x1e0
[ 7776.631367][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7776.631367][T12167] 
[ 7776.633926][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7776.633926][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7776.633926][T12167]      ipv6_find_idev+0x102/0x170
[ 7776.633926][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7776.633926][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7776.633926][T12167]      netlink_rcv_skb+0x130/0x360
[ 7776.633926][T12167]      netlink_unicast+0x449/0x710
[ 7776.633926][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7776.633926][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7776.633926][T12167]      ___sys_sendmsg+0xee/0x170
[ 7776.633926][T12167]      __sys_sendmsg+0xcd/0x170
[ 7776.633926][T12167]      do_syscall_64+0xc6/0x1e0
[ 7776.633926][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7776.633926][T12167] 
[ 7776.635877][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7776.635877][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7776.635877][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7776.635877][T12167]      ipv6_find_idev+0x102/0x170
[ 7776.635877][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7776.635877][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7776.635877][T12167]      netlink_rcv_skb+0x130/0x360
[ 7776.635877][T12167]      netlink_unicast+0x449/0x710
[ 7776.635877][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7776.635877][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7776.635877][T12167]      ___sys_sendmsg+0xee/0x170
[ 7776.635877][T12167]      __sys_sendmsg+0xcd/0x170
[ 7776.635877][T12167]      do_syscall_64+0xc6/0x1e0
[ 7776.635877][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7776.635877][T12167] 
[ 7786.886827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7786.887314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7786.887314][T12167]      netdev_get_by_index+0x5e/0x80
[ 7786.887314][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7786.887314][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7786.887314][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7786.887314][T12167]      ipv6_add_addr+0x411/0x2000
[ 7786.887314][T12167]      inet6_addr_add+0x30e/0xa40
[ 7786.887314][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7786.887314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7786.887314][T12167]      netlink_rcv_skb+0x130/0x360
[ 7786.887314][T12167]      netlink_unicast+0x449/0x710
[ 7786.887314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7786.887314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7786.887314][T12167]      ___sys_sendmsg+0xee/0x170
[ 7786.887314][T12167]      __sys_sendmsg+0xcd/0x170
[ 7786.887314][T12167]      do_syscall_64+0xc6/0x1e0
[ 7786.887314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7786.887314][T12167] 
[ 7786.889769][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7786.889769][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7786.889769][T12167]      ipv6_find_idev+0x102/0x170
[ 7786.889769][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7786.889769][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7786.889769][T12167]      netlink_rcv_skb+0x130/0x360
[ 7786.889769][T12167]      netlink_unicast+0x449/0x710
[ 7786.889769][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7786.889769][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7786.889769][T12167]      ___sys_sendmsg+0xee/0x170
[ 7786.889769][T12167]      __sys_sendmsg+0xcd/0x170
[ 7786.889769][T12167]      do_syscall_64+0xc6/0x1e0
[ 7786.889769][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7786.889769][T12167] 
[ 7786.891531][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7786.891531][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7786.891531][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7786.891531][T12167]      ipv6_find_idev+0x102/0x170
[ 7786.891531][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7786.891531][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7786.891531][T12167]      netlink_rcv_skb+0x130/0x360
[ 7786.891531][T12167]      netlink_unicast+0x449/0x710
[ 7786.891531][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7786.891531][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7786.891531][T12167]      ___sys_sendmsg+0xee/0x170
[ 7786.891531][T12167]      __sys_sendmsg+0xcd/0x170
[ 7786.891531][T12167]      do_syscall_64+0xc6/0x1e0
[ 7786.891531][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7786.891531][T12167] 
[ 7796.918721][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7796.919211][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7796.919211][T12167]      netdev_get_by_index+0x5e/0x80
[ 7796.919211][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7796.919211][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7796.919211][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7796.919211][T12167]      ipv6_add_addr+0x411/0x2000
[ 7796.919211][T12167]      inet6_addr_add+0x30e/0xa40
[ 7796.919211][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7796.919211][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7796.919211][T12167]      netlink_rcv_skb+0x130/0x360
[ 7796.919211][T12167]      netlink_unicast+0x449/0x710
[ 7796.919211][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7796.919211][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7796.919211][T12167]      ___sys_sendmsg+0xee/0x170
[ 7796.919211][T12167]      __sys_sendmsg+0xcd/0x170
[ 7796.919211][T12167]      do_syscall_64+0xc6/0x1e0
[ 7796.919211][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7796.919211][T12167] 
[ 7796.921508][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7796.921508][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7796.921508][T12167]      ipv6_find_idev+0x102/0x170
[ 7796.921508][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7796.921508][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7796.921508][T12167]      netlink_rcv_skb+0x130/0x360
[ 7796.921508][T12167]      netlink_unicast+0x449/0x710
[ 7796.921508][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7796.921508][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7796.921508][T12167]      ___sys_sendmsg+0xee/0x170
[ 7796.921508][T12167]      __sys_sendmsg+0xcd/0x170
[ 7796.921508][T12167]      do_syscall_64+0xc6/0x1e0
[ 7796.921508][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7796.921508][T12167] 
[ 7796.923271][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7796.923271][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7796.923271][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7796.923271][T12167]      ipv6_find_idev+0x102/0x170
[ 7796.923271][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7796.923271][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7796.923271][T12167]      netlink_rcv_skb+0x130/0x360
[ 7796.923271][T12167]      netlink_unicast+0x449/0x710
[ 7796.923271][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7796.923271][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7796.923271][T12167]      ___sys_sendmsg+0xee/0x170
[ 7796.923271][T12167]      __sys_sendmsg+0xcd/0x170
[ 7796.923271][T12167]      do_syscall_64+0xc6/0x1e0
[ 7796.923271][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7796.923271][T12167] 
[ 7807.126742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7807.127279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7807.127279][T12167]      netdev_get_by_index+0x5e/0x80
[ 7807.127279][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7807.127279][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7807.127279][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7807.127279][T12167]      ipv6_add_addr+0x411/0x2000
[ 7807.127279][T12167]      inet6_addr_add+0x30e/0xa40
[ 7807.127279][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7807.127279][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7807.127279][T12167]      netlink_rcv_skb+0x130/0x360
[ 7807.127279][T12167]      netlink_unicast+0x449/0x710
[ 7807.127279][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7807.127279][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7807.127279][T12167]      ___sys_sendmsg+0xee/0x170
[ 7807.127279][T12167]      __sys_sendmsg+0xcd/0x170
[ 7807.127279][T12167]      do_syscall_64+0xc6/0x1e0
[ 7807.127279][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7807.127279][T12167] 
[ 7807.129581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7807.129581][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7807.129581][T12167]      ipv6_find_idev+0x102/0x170
[ 7807.129581][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7807.129581][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7807.129581][T12167]      netlink_rcv_skb+0x130/0x360
[ 7807.129581][T12167]      netlink_unicast+0x449/0x710
[ 7807.129581][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7807.129581][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7807.129581][T12167]      ___sys_sendmsg+0xee/0x170
[ 7807.129581][T12167]      __sys_sendmsg+0xcd/0x170
[ 7807.129581][T12167]      do_syscall_64+0xc6/0x1e0
[ 7807.129581][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7807.129581][T12167] 
[ 7807.131338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7807.131338][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7807.131338][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7807.131338][T12167]      ipv6_find_idev+0x102/0x170
[ 7807.131338][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7807.131338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7807.131338][T12167]      netlink_rcv_skb+0x130/0x360
[ 7807.131338][T12167]      netlink_unicast+0x449/0x710
[ 7807.131338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7807.131338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7807.131338][T12167]      ___sys_sendmsg+0xee/0x170
[ 7807.131338][T12167]      __sys_sendmsg+0xcd/0x170
[ 7807.131338][T12167]      do_syscall_64+0xc6/0x1e0
[ 7807.131338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7807.131338][T12167] 
[ 7817.174806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7817.175350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7817.175350][T12167]      netdev_get_by_index+0x5e/0x80
[ 7817.175350][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7817.175350][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7817.175350][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7817.175350][T12167]      ipv6_add_addr+0x411/0x2000
[ 7817.175350][T12167]      inet6_addr_add+0x30e/0xa40
[ 7817.175350][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7817.175350][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7817.175350][T12167]      netlink_rcv_skb+0x130/0x360
[ 7817.175350][T12167]      netlink_unicast+0x449/0x710
[ 7817.175350][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7817.175350][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7817.175350][T12167]      ___sys_sendmsg+0xee/0x170
[ 7817.175350][T12167]      __sys_sendmsg+0xcd/0x170
[ 7817.175350][T12167]      do_syscall_64+0xc6/0x1e0
[ 7817.175350][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7817.175350][T12167] 
[ 7817.177941][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7817.177941][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7817.177941][T12167]      ipv6_find_idev+0x102/0x170
[ 7817.177941][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7817.177941][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7817.177941][T12167]      netlink_rcv_skb+0x130/0x360
[ 7817.177941][T12167]      netlink_unicast+0x449/0x710
[ 7817.177941][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7817.177941][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7817.177941][T12167]      ___sys_sendmsg+0xee/0x170
[ 7817.177941][T12167]      __sys_sendmsg+0xcd/0x170
[ 7817.177941][T12167]      do_syscall_64+0xc6/0x1e0
[ 7817.177941][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7817.177941][T12167] 
[ 7817.179887][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7817.179887][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7817.179887][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7817.179887][T12167]      ipv6_find_idev+0x102/0x170
[ 7817.179887][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7817.179887][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7817.179887][T12167]      netlink_rcv_skb+0x130/0x360
[ 7817.179887][T12167]      netlink_unicast+0x449/0x710
[ 7817.179887][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7817.179887][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7817.179887][T12167]      ___sys_sendmsg+0xee/0x170
[ 7817.179887][T12167]      __sys_sendmsg+0xcd/0x170
[ 7817.179887][T12167]      do_syscall_64+0xc6/0x1e0
[ 7817.179887][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7817.179887][T12167] 
[ 7827.430741][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7827.431256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7827.431256][T12167]      netdev_get_by_index+0x5e/0x80
[ 7827.431256][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7827.431256][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7827.431256][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7827.431256][T12167]      ipv6_add_addr+0x411/0x2000
[ 7827.431256][T12167]      inet6_addr_add+0x30e/0xa40
[ 7827.431256][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7827.431256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7827.431256][T12167]      netlink_rcv_skb+0x130/0x360
[ 7827.431256][T12167]      netlink_unicast+0x449/0x710
[ 7827.431256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7827.431256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7827.431256][T12167]      ___sys_sendmsg+0xee/0x170
[ 7827.431256][T12167]      __sys_sendmsg+0xcd/0x170
[ 7827.431256][T12167]      do_syscall_64+0xc6/0x1e0
[ 7827.431256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7827.431256][T12167] 
[ 7827.433826][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7827.433826][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7827.433826][T12167]      ipv6_find_idev+0x102/0x170
[ 7827.433826][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7827.433826][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7827.433826][T12167]      netlink_rcv_skb+0x130/0x360
[ 7827.433826][T12167]      netlink_unicast+0x449/0x710
[ 7827.433826][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7827.433826][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7827.433826][T12167]      ___sys_sendmsg+0xee/0x170
[ 7827.433826][T12167]      __sys_sendmsg+0xcd/0x170
[ 7827.433826][T12167]      do_syscall_64+0xc6/0x1e0
[ 7827.433826][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7827.433826][T12167] 
[ 7827.435767][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7827.435767][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7827.435767][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7827.435767][T12167]      ipv6_find_idev+0x102/0x170
[ 7827.435767][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7827.435767][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7827.435767][T12167]      netlink_rcv_skb+0x130/0x360
[ 7827.435767][T12167]      netlink_unicast+0x449/0x710
[ 7827.435767][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7827.435767][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7827.435767][T12167]      ___sys_sendmsg+0xee/0x170
[ 7827.435767][T12167]      __sys_sendmsg+0xcd/0x170
[ 7827.435767][T12167]      do_syscall_64+0xc6/0x1e0
[ 7827.435767][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7827.435767][T12167] 
[ 7837.686770][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7837.687320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7837.687320][T12167]      netdev_get_by_index+0x5e/0x80
[ 7837.687320][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7837.687320][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7837.687320][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7837.687320][T12167]      ipv6_add_addr+0x411/0x2000
[ 7837.687320][T12167]      inet6_addr_add+0x30e/0xa40
[ 7837.687320][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7837.687320][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7837.687320][T12167]      netlink_rcv_skb+0x130/0x360
[ 7837.687320][T12167]      netlink_unicast+0x449/0x710
[ 7837.687320][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7837.687320][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7837.687320][T12167]      ___sys_sendmsg+0xee/0x170
[ 7837.687320][T12167]      __sys_sendmsg+0xcd/0x170
[ 7837.687320][T12167]      do_syscall_64+0xc6/0x1e0
[ 7837.687320][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7837.687320][T12167] 
[ 7837.689873][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7837.689873][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7837.689873][T12167]      ipv6_find_idev+0x102/0x170
[ 7837.689873][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7837.689873][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7837.689873][T12167]      netlink_rcv_skb+0x130/0x360
[ 7837.689873][T12167]      netlink_unicast+0x449/0x710
[ 7837.689873][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7837.689873][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7837.689873][T12167]      ___sys_sendmsg+0xee/0x170
[ 7837.689873][T12167]      __sys_sendmsg+0xcd/0x170
[ 7837.689873][T12167]      do_syscall_64+0xc6/0x1e0
[ 7837.689873][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7837.689873][T12167] 
[ 7837.691817][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7837.691817][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7837.691817][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7837.691817][T12167]      ipv6_find_idev+0x102/0x170
[ 7837.691817][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7837.691817][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7837.691817][T12167]      netlink_rcv_skb+0x130/0x360
[ 7837.691817][T12167]      netlink_unicast+0x449/0x710
[ 7837.691817][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7837.691817][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7837.691817][T12167]      ___sys_sendmsg+0xee/0x170
[ 7837.691817][T12167]      __sys_sendmsg+0xcd/0x170
[ 7837.691817][T12167]      do_syscall_64+0xc6/0x1e0
[ 7837.691817][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7837.691817][T12167] 
[ 7847.942840][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7847.943364][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7847.943364][T12167]      netdev_get_by_index+0x5e/0x80
[ 7847.943364][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7847.943364][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7847.943364][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7847.943364][T12167]      ipv6_add_addr+0x411/0x2000
[ 7847.943364][T12167]      inet6_addr_add+0x30e/0xa40
[ 7847.943364][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7847.943364][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7847.943364][T12167]      netlink_rcv_skb+0x130/0x360
[ 7847.943364][T12167]      netlink_unicast+0x449/0x710
[ 7847.943364][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7847.943364][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7847.943364][T12167]      ___sys_sendmsg+0xee/0x170
[ 7847.943364][T12167]      __sys_sendmsg+0xcd/0x170
[ 7847.943364][T12167]      do_syscall_64+0xc6/0x1e0
[ 7847.943364][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7847.943364][T12167] 
[ 7847.945924][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7847.945924][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7847.945924][T12167]      ipv6_find_idev+0x102/0x170
[ 7847.945924][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7847.945924][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7847.945924][T12167]      netlink_rcv_skb+0x130/0x360
[ 7847.945924][T12167]      netlink_unicast+0x449/0x710
[ 7847.945924][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7847.945924][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7847.945924][T12167]      ___sys_sendmsg+0xee/0x170
[ 7847.945924][T12167]      __sys_sendmsg+0xcd/0x170
[ 7847.945924][T12167]      do_syscall_64+0xc6/0x1e0
[ 7847.945924][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7847.945924][T12167] 
[ 7847.947979][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7847.947979][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7847.947979][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7847.947979][T12167]      ipv6_find_idev+0x102/0x170
[ 7847.947979][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7847.947979][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7847.947979][T12167]      netlink_rcv_skb+0x130/0x360
[ 7847.947979][T12167]      netlink_unicast+0x449/0x710
[ 7847.947979][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7847.947979][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7847.947979][T12167]      ___sys_sendmsg+0xee/0x170
[ 7847.947979][T12167]      __sys_sendmsg+0xcd/0x170
[ 7847.947979][T12167]      do_syscall_64+0xc6/0x1e0
[ 7847.947979][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7847.947979][T12167] 
[ 7858.198752][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7858.199439][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7858.199439][T12167]      netdev_get_by_index+0x5e/0x80
[ 7858.199439][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7858.199439][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7858.199439][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7858.199439][T12167]      ipv6_add_addr+0x411/0x2000
[ 7858.199439][T12167]      inet6_addr_add+0x30e/0xa40
[ 7858.199439][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7858.199439][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7858.199439][T12167]      netlink_rcv_skb+0x130/0x360
[ 7858.199439][T12167]      netlink_unicast+0x449/0x710
[ 7858.199439][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7858.199439][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7858.199439][T12167]      ___sys_sendmsg+0xee/0x170
[ 7858.199439][T12167]      __sys_sendmsg+0xcd/0x170
[ 7858.199439][T12167]      do_syscall_64+0xc6/0x1e0
[ 7858.199439][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7858.199439][T12167] 
[ 7858.203340][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7858.203340][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7858.203340][T12167]      ipv6_find_idev+0x102/0x170
[ 7858.203340][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7858.203340][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7858.203340][T12167]      netlink_rcv_skb+0x130/0x360
[ 7858.203340][T12167]      netlink_unicast+0x449/0x710
[ 7858.203340][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7858.203340][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7858.203340][T12167]      ___sys_sendmsg+0xee/0x170
[ 7858.203340][T12167]      __sys_sendmsg+0xcd/0x170
[ 7858.203340][T12167]      do_syscall_64+0xc6/0x1e0
[ 7858.203340][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7858.203340][T12167] 
[ 7858.206319][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7858.206319][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7858.206319][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7858.206319][T12167]      ipv6_find_idev+0x102/0x170
[ 7858.206319][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7858.206319][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7858.206319][T12167]      netlink_rcv_skb+0x130/0x360
[ 7858.206319][T12167]      netlink_unicast+0x449/0x710
[ 7858.206319][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7858.206319][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7858.206319][T12167]      ___sys_sendmsg+0xee/0x170
[ 7858.206319][T12167]      __sys_sendmsg+0xcd/0x170
[ 7858.206319][T12167]      do_syscall_64+0xc6/0x1e0
[ 7858.206319][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7858.206319][T12167] 
[ 7868.350815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7868.351554][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7868.351554][T12167]      netdev_get_by_index+0x5e/0x80
[ 7868.351554][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7868.351554][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7868.351554][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7868.351554][T12167]      ipv6_add_addr+0x411/0x2000
[ 7868.351554][T12167]      inet6_addr_add+0x30e/0xa40
[ 7868.351554][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7868.351554][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7868.351554][T12167]      netlink_rcv_skb+0x130/0x360
[ 7868.351554][T12167]      netlink_unicast+0x449/0x710
[ 7868.351554][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7868.351554][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7868.351554][T12167]      ___sys_sendmsg+0xee/0x170
[ 7868.351554][T12167]      __sys_sendmsg+0xcd/0x170
[ 7868.351554][T12167]      do_syscall_64+0xc6/0x1e0
[ 7868.351554][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7868.351554][T12167] 
[ 7868.355431][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7868.355431][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7868.355431][T12167]      ipv6_find_idev+0x102/0x170
[ 7868.355431][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7868.355431][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7868.355431][T12167]      netlink_rcv_skb+0x130/0x360
[ 7868.355431][T12167]      netlink_unicast+0x449/0x710
[ 7868.355431][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7868.355431][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7868.355431][T12167]      ___sys_sendmsg+0xee/0x170
[ 7868.355431][T12167]      __sys_sendmsg+0xcd/0x170
[ 7868.355431][T12167]      do_syscall_64+0xc6/0x1e0
[ 7868.355431][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7868.355431][T12167] 
[ 7868.358399][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7868.358399][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7868.358399][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7868.358399][T12167]      ipv6_find_idev+0x102/0x170
[ 7868.358399][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7868.358399][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7868.358399][T12167]      netlink_rcv_skb+0x130/0x360
[ 7868.358399][T12167]      netlink_unicast+0x449/0x710
[ 7868.358399][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7868.358399][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7868.358399][T12167]      ___sys_sendmsg+0xee/0x170
[ 7868.358399][T12167]      __sys_sendmsg+0xcd/0x170
[ 7868.358399][T12167]      do_syscall_64+0xc6/0x1e0
[ 7868.358399][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7868.358399][T12167] 
[ 7878.598786][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7878.599575][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7878.599575][T12167]      netdev_get_by_index+0x5e/0x80
[ 7878.599575][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7878.599575][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7878.599575][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7878.599575][T12167]      ipv6_add_addr+0x411/0x2000
[ 7878.599575][T12167]      inet6_addr_add+0x30e/0xa40
[ 7878.599575][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7878.599575][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7878.599575][T12167]      netlink_rcv_skb+0x130/0x360
[ 7878.599575][T12167]      netlink_unicast+0x449/0x710
[ 7878.599575][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7878.599575][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7878.599575][T12167]      ___sys_sendmsg+0xee/0x170
[ 7878.599575][T12167]      __sys_sendmsg+0xcd/0x170
[ 7878.599575][T12167]      do_syscall_64+0xc6/0x1e0
[ 7878.599575][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7878.599575][T12167] 
[ 7878.603409][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7878.603409][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7878.603409][T12167]      ipv6_find_idev+0x102/0x170
[ 7878.603409][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7878.603409][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7878.603409][T12167]      netlink_rcv_skb+0x130/0x360
[ 7878.603409][T12167]      netlink_unicast+0x449/0x710
[ 7878.603409][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7878.603409][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7878.603409][T12167]      ___sys_sendmsg+0xee/0x170
[ 7878.603409][T12167]      __sys_sendmsg+0xcd/0x170
[ 7878.603409][T12167]      do_syscall_64+0xc6/0x1e0
[ 7878.603409][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7878.603409][T12167] 
[ 7878.606360][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7878.606360][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7878.606360][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7878.606360][T12167]      ipv6_find_idev+0x102/0x170
[ 7878.606360][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7878.606360][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7878.606360][T12167]      netlink_rcv_skb+0x130/0x360
[ 7878.606360][T12167]      netlink_unicast+0x449/0x710
[ 7878.606360][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7878.606360][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7878.606360][T12167]      ___sys_sendmsg+0xee/0x170
[ 7878.606360][T12167]      __sys_sendmsg+0xcd/0x170
[ 7878.606360][T12167]      do_syscall_64+0xc6/0x1e0
[ 7878.606360][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7878.606360][T12167] 
[ 7888.678777][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7888.679533][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7888.679533][T12167]      netdev_get_by_index+0x5e/0x80
[ 7888.679533][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7888.679533][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7888.679533][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7888.679533][T12167]      ipv6_add_addr+0x411/0x2000
[ 7888.679533][T12167]      inet6_addr_add+0x30e/0xa40
[ 7888.679533][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7888.679533][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7888.679533][T12167]      netlink_rcv_skb+0x130/0x360
[ 7888.679533][T12167]      netlink_unicast+0x449/0x710
[ 7888.679533][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7888.679533][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7888.679533][T12167]      ___sys_sendmsg+0xee/0x170
[ 7888.679533][T12167]      __sys_sendmsg+0xcd/0x170
[ 7888.679533][T12167]      do_syscall_64+0xc6/0x1e0
[ 7888.679533][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7888.679533][T12167] 
[ 7888.683779][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7888.683779][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7888.683779][T12167]      ipv6_find_idev+0x102/0x170
[ 7888.683779][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7888.683779][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7888.683779][T12167]      netlink_rcv_skb+0x130/0x360
[ 7888.683779][T12167]      netlink_unicast+0x449/0x710
[ 7888.683779][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7888.683779][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7888.683779][T12167]      ___sys_sendmsg+0xee/0x170
[ 7888.683779][T12167]      __sys_sendmsg+0xcd/0x170
[ 7888.683779][T12167]      do_syscall_64+0xc6/0x1e0
[ 7888.683779][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7888.683779][T12167] 
[ 7888.686759][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7888.686759][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7888.686759][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7888.686759][T12167]      ipv6_find_idev+0x102/0x170
[ 7888.686759][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7888.686759][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7888.686759][T12167]      netlink_rcv_skb+0x130/0x360
[ 7888.686759][T12167]      netlink_unicast+0x449/0x710
[ 7888.686759][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7888.686759][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7888.686759][T12167]      ___sys_sendmsg+0xee/0x170
[ 7888.686759][T12167]      __sys_sendmsg+0xcd/0x170
[ 7888.686759][T12167]      do_syscall_64+0xc6/0x1e0
[ 7888.686759][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7888.686759][T12167] 
[ 7898.870829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7898.871383][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7898.871383][T12167]      netdev_get_by_index+0x5e/0x80
[ 7898.871383][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7898.871383][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7898.871383][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7898.871383][T12167]      ipv6_add_addr+0x411/0x2000
[ 7898.871383][T12167]      inet6_addr_add+0x30e/0xa40
[ 7898.871383][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7898.871383][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7898.871383][T12167]      netlink_rcv_skb+0x130/0x360
[ 7898.871383][T12167]      netlink_unicast+0x449/0x710
[ 7898.871383][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7898.871383][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7898.871383][T12167]      ___sys_sendmsg+0xee/0x170
[ 7898.871383][T12167]      __sys_sendmsg+0xcd/0x170
[ 7898.871383][T12167]      do_syscall_64+0xc6/0x1e0
[ 7898.871383][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7898.871383][T12167] 
[ 7898.873893][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7898.873893][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7898.873893][T12167]      ipv6_find_idev+0x102/0x170
[ 7898.873893][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7898.873893][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7898.873893][T12167]      netlink_rcv_skb+0x130/0x360
[ 7898.873893][T12167]      netlink_unicast+0x449/0x710
[ 7898.873893][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7898.873893][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7898.873893][T12167]      ___sys_sendmsg+0xee/0x170
[ 7898.873893][T12167]      __sys_sendmsg+0xcd/0x170
[ 7898.873893][T12167]      do_syscall_64+0xc6/0x1e0
[ 7898.873893][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7898.873893][T12167] 
[ 7898.875820][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7898.875820][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7898.875820][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7898.875820][T12167]      ipv6_find_idev+0x102/0x170
[ 7898.875820][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7898.875820][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7898.875820][T12167]      netlink_rcv_skb+0x130/0x360
[ 7898.875820][T12167]      netlink_unicast+0x449/0x710
[ 7898.875820][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7898.875820][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7898.875820][T12167]      ___sys_sendmsg+0xee/0x170
[ 7898.875820][T12167]      __sys_sendmsg+0xcd/0x170
[ 7898.875820][T12167]      do_syscall_64+0xc6/0x1e0
[ 7898.875820][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7898.875820][T12167] 
[ 7909.014791][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7909.015346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7909.015346][T12167]      netdev_get_by_index+0x5e/0x80
[ 7909.015346][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7909.015346][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7909.015346][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7909.015346][T12167]      ipv6_add_addr+0x411/0x2000
[ 7909.015346][T12167]      inet6_addr_add+0x30e/0xa40
[ 7909.015346][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7909.015346][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7909.015346][T12167]      netlink_rcv_skb+0x130/0x360
[ 7909.015346][T12167]      netlink_unicast+0x449/0x710
[ 7909.015346][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7909.015346][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7909.015346][T12167]      ___sys_sendmsg+0xee/0x170
[ 7909.015346][T12167]      __sys_sendmsg+0xcd/0x170
[ 7909.015346][T12167]      do_syscall_64+0xc6/0x1e0
[ 7909.015346][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7909.015346][T12167] 
[ 7909.017885][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7909.017885][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7909.017885][T12167]      ipv6_find_idev+0x102/0x170
[ 7909.017885][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7909.017885][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7909.017885][T12167]      netlink_rcv_skb+0x130/0x360
[ 7909.017885][T12167]      netlink_unicast+0x449/0x710
[ 7909.017885][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7909.017885][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7909.017885][T12167]      ___sys_sendmsg+0xee/0x170
[ 7909.017885][T12167]      __sys_sendmsg+0xcd/0x170
[ 7909.017885][T12167]      do_syscall_64+0xc6/0x1e0
[ 7909.017885][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7909.017885][T12167] 
[ 7909.019825][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7909.019825][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7909.019825][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7909.019825][T12167]      ipv6_find_idev+0x102/0x170
[ 7909.019825][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7909.019825][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7909.019825][T12167]      netlink_rcv_skb+0x130/0x360
[ 7909.019825][T12167]      netlink_unicast+0x449/0x710
[ 7909.019825][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7909.019825][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7909.019825][T12167]      ___sys_sendmsg+0xee/0x170
[ 7909.019825][T12167]      __sys_sendmsg+0xcd/0x170
[ 7909.019825][T12167]      do_syscall_64+0xc6/0x1e0
[ 7909.019825][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7909.019825][T12167] 
[ 7919.262811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7919.263369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7919.263369][T12167]      netdev_get_by_index+0x5e/0x80
[ 7919.263369][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7919.263369][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7919.263369][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7919.263369][T12167]      ipv6_add_addr+0x411/0x2000
[ 7919.263369][T12167]      inet6_addr_add+0x30e/0xa40
[ 7919.263369][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7919.263369][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7919.263369][T12167]      netlink_rcv_skb+0x130/0x360
[ 7919.263369][T12167]      netlink_unicast+0x449/0x710
[ 7919.263369][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7919.263369][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7919.263369][T12167]      ___sys_sendmsg+0xee/0x170
[ 7919.263369][T12167]      __sys_sendmsg+0xcd/0x170
[ 7919.263369][T12167]      do_syscall_64+0xc6/0x1e0
[ 7919.263369][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7919.263369][T12167] 
[ 7919.265931][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7919.265931][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7919.265931][T12167]      ipv6_find_idev+0x102/0x170
[ 7919.265931][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7919.265931][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7919.265931][T12167]      netlink_rcv_skb+0x130/0x360
[ 7919.265931][T12167]      netlink_unicast+0x449/0x710
[ 7919.265931][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7919.265931][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7919.265931][T12167]      ___sys_sendmsg+0xee/0x170
[ 7919.265931][T12167]      __sys_sendmsg+0xcd/0x170
[ 7919.265931][T12167]      do_syscall_64+0xc6/0x1e0
[ 7919.265931][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7919.265931][T12167] 
[ 7919.267877][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7919.267877][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7919.267877][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7919.267877][T12167]      ipv6_find_idev+0x102/0x170
[ 7919.267877][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7919.267877][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7919.267877][T12167]      netlink_rcv_skb+0x130/0x360
[ 7919.267877][T12167]      netlink_unicast+0x449/0x710
[ 7919.267877][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7919.267877][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7919.267877][T12167]      ___sys_sendmsg+0xee/0x170
[ 7919.267877][T12167]      __sys_sendmsg+0xcd/0x170
[ 7919.267877][T12167]      do_syscall_64+0xc6/0x1e0
[ 7919.267877][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7919.267877][T12167] 
[ 7929.510746][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7929.511305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7929.511305][T12167]      netdev_get_by_index+0x5e/0x80
[ 7929.511305][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7929.511305][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7929.511305][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7929.511305][T12167]      ipv6_add_addr+0x411/0x2000
[ 7929.511305][T12167]      inet6_addr_add+0x30e/0xa40
[ 7929.511305][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7929.511305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7929.511305][T12167]      netlink_rcv_skb+0x130/0x360
[ 7929.511305][T12167]      netlink_unicast+0x449/0x710
[ 7929.511305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7929.511305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7929.511305][T12167]      ___sys_sendmsg+0xee/0x170
[ 7929.511305][T12167]      __sys_sendmsg+0xcd/0x170
[ 7929.511305][T12167]      do_syscall_64+0xc6/0x1e0
[ 7929.511305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7929.511305][T12167] 
[ 7929.513939][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7929.513939][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7929.513939][T12167]      ipv6_find_idev+0x102/0x170
[ 7929.513939][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7929.513939][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7929.513939][T12167]      netlink_rcv_skb+0x130/0x360
[ 7929.513939][T12167]      netlink_unicast+0x449/0x710
[ 7929.513939][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7929.513939][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7929.513939][T12167]      ___sys_sendmsg+0xee/0x170
[ 7929.513939][T12167]      __sys_sendmsg+0xcd/0x170
[ 7929.513939][T12167]      do_syscall_64+0xc6/0x1e0
[ 7929.513939][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7929.513939][T12167] 
[ 7929.516010][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7929.516010][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7929.516010][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7929.516010][T12167]      ipv6_find_idev+0x102/0x170
[ 7929.516010][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7929.516010][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7929.516010][T12167]      netlink_rcv_skb+0x130/0x360
[ 7929.516010][T12167]      netlink_unicast+0x449/0x710
[ 7929.516010][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7929.516010][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7929.516010][T12167]      ___sys_sendmsg+0xee/0x170
[ 7929.516010][T12167]      __sys_sendmsg+0xcd/0x170
[ 7929.516010][T12167]      do_syscall_64+0xc6/0x1e0
[ 7929.516010][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7929.516010][T12167] 
[ 7939.758761][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7939.759366][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7939.759366][T12167]      netdev_get_by_index+0x5e/0x80
[ 7939.759366][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7939.759366][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7939.759366][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7939.759366][T12167]      ipv6_add_addr+0x411/0x2000
[ 7939.759366][T12167]      inet6_addr_add+0x30e/0xa40
[ 7939.759366][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7939.759366][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7939.759366][T12167]      netlink_rcv_skb+0x130/0x360
[ 7939.759366][T12167]      netlink_unicast+0x449/0x710
[ 7939.759366][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7939.759366][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7939.759366][T12167]      ___sys_sendmsg+0xee/0x170
[ 7939.759366][T12167]      __sys_sendmsg+0xcd/0x170
[ 7939.759366][T12167]      do_syscall_64+0xc6/0x1e0
[ 7939.759366][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7939.759366][T12167] 
[ 7939.762717][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7939.762717][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7939.762717][T12167]      ipv6_find_idev+0x102/0x170
[ 7939.762717][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7939.762717][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7939.762717][T12167]      netlink_rcv_skb+0x130/0x360
[ 7939.762717][T12167]      netlink_unicast+0x449/0x710
[ 7939.762717][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7939.762717][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7939.762717][T12167]      ___sys_sendmsg+0xee/0x170
[ 7939.762717][T12167]      __sys_sendmsg+0xcd/0x170
[ 7939.762717][T12167]      do_syscall_64+0xc6/0x1e0
[ 7939.762717][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7939.762717][T12167] 
[ 7939.764782][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7939.764782][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7939.764782][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7939.764782][T12167]      ipv6_find_idev+0x102/0x170
[ 7939.764782][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7939.764782][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7939.764782][T12167]      netlink_rcv_skb+0x130/0x360
[ 7939.764782][T12167]      netlink_unicast+0x449/0x710
[ 7939.764782][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7939.764782][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7939.764782][T12167]      ___sys_sendmsg+0xee/0x170
[ 7939.764782][T12167]      __sys_sendmsg+0xcd/0x170
[ 7939.764782][T12167]      do_syscall_64+0xc6/0x1e0
[ 7939.764782][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7939.764782][T12167] 
[ 7950.006742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7950.007326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7950.007326][T12167]      netdev_get_by_index+0x5e/0x80
[ 7950.007326][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7950.007326][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7950.007326][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7950.007326][T12167]      ipv6_add_addr+0x411/0x2000
[ 7950.007326][T12167]      inet6_addr_add+0x30e/0xa40
[ 7950.007326][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7950.007326][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7950.007326][T12167]      netlink_rcv_skb+0x130/0x360
[ 7950.007326][T12167]      netlink_unicast+0x449/0x710
[ 7950.007326][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7950.007326][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7950.007326][T12167]      ___sys_sendmsg+0xee/0x170
[ 7950.007326][T12167]      __sys_sendmsg+0xcd/0x170
[ 7950.007326][T12167]      do_syscall_64+0xc6/0x1e0
[ 7950.007326][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7950.007326][T12167] 
[ 7950.009969][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7950.009969][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7950.009969][T12167]      ipv6_find_idev+0x102/0x170
[ 7950.009969][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7950.009969][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7950.009969][T12167]      netlink_rcv_skb+0x130/0x360
[ 7950.009969][T12167]      netlink_unicast+0x449/0x710
[ 7950.009969][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7950.009969][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7950.009969][T12167]      ___sys_sendmsg+0xee/0x170
[ 7950.009969][T12167]      __sys_sendmsg+0xcd/0x170
[ 7950.009969][T12167]      do_syscall_64+0xc6/0x1e0
[ 7950.009969][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7950.009969][T12167] 
[ 7950.012025][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7950.012025][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7950.012025][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7950.012025][T12167]      ipv6_find_idev+0x102/0x170
[ 7950.012025][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7950.012025][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7950.012025][T12167]      netlink_rcv_skb+0x130/0x360
[ 7950.012025][T12167]      netlink_unicast+0x449/0x710
[ 7950.012025][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7950.012025][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7950.012025][T12167]      ___sys_sendmsg+0xee/0x170
[ 7950.012025][T12167]      __sys_sendmsg+0xcd/0x170
[ 7950.012025][T12167]      do_syscall_64+0xc6/0x1e0
[ 7950.012025][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7950.012025][T12167] 
[ 7960.254809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7960.255370][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7960.255370][T12167]      netdev_get_by_index+0x5e/0x80
[ 7960.255370][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7960.255370][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7960.255370][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7960.255370][T12167]      ipv6_add_addr+0x411/0x2000
[ 7960.255370][T12167]      inet6_addr_add+0x30e/0xa40
[ 7960.255370][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7960.255370][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7960.255370][T12167]      netlink_rcv_skb+0x130/0x360
[ 7960.255370][T12167]      netlink_unicast+0x449/0x710
[ 7960.255370][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7960.255370][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7960.255370][T12167]      ___sys_sendmsg+0xee/0x170
[ 7960.255370][T12167]      __sys_sendmsg+0xcd/0x170
[ 7960.255370][T12167]      do_syscall_64+0xc6/0x1e0
[ 7960.255370][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7960.255370][T12167] 
[ 7960.257677][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7960.257677][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7960.257677][T12167]      ipv6_find_idev+0x102/0x170
[ 7960.257677][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7960.257677][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7960.257677][T12167]      netlink_rcv_skb+0x130/0x360
[ 7960.257677][T12167]      netlink_unicast+0x449/0x710
[ 7960.257677][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7960.257677][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7960.257677][T12167]      ___sys_sendmsg+0xee/0x170
[ 7960.257677][T12167]      __sys_sendmsg+0xcd/0x170
[ 7960.257677][T12167]      do_syscall_64+0xc6/0x1e0
[ 7960.257677][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7960.257677][T12167] 
[ 7960.259435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7960.259435][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7960.259435][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7960.259435][T12167]      ipv6_find_idev+0x102/0x170
[ 7960.259435][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7960.259435][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7960.259435][T12167]      netlink_rcv_skb+0x130/0x360
[ 7960.259435][T12167]      netlink_unicast+0x449/0x710
[ 7960.259435][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7960.259435][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7960.259435][T12167]      ___sys_sendmsg+0xee/0x170
[ 7960.259435][T12167]      __sys_sendmsg+0xcd/0x170
[ 7960.259435][T12167]      do_syscall_64+0xc6/0x1e0
[ 7960.259435][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7960.259435][T12167] 
[ 7970.502831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7970.503348][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7970.503348][T12167]      netdev_get_by_index+0x5e/0x80
[ 7970.503348][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7970.503348][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7970.503348][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7970.503348][T12167]      ipv6_add_addr+0x411/0x2000
[ 7970.503348][T12167]      inet6_addr_add+0x30e/0xa40
[ 7970.503348][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7970.503348][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7970.503348][T12167]      netlink_rcv_skb+0x130/0x360
[ 7970.503348][T12167]      netlink_unicast+0x449/0x710
[ 7970.503348][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7970.503348][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7970.503348][T12167]      ___sys_sendmsg+0xee/0x170
[ 7970.503348][T12167]      __sys_sendmsg+0xcd/0x170
[ 7970.503348][T12167]      do_syscall_64+0xc6/0x1e0
[ 7970.503348][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7970.503348][T12167] 
[ 7970.505672][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7970.505672][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7970.505672][T12167]      ipv6_find_idev+0x102/0x170
[ 7970.505672][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7970.505672][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7970.505672][T12167]      netlink_rcv_skb+0x130/0x360
[ 7970.505672][T12167]      netlink_unicast+0x449/0x710
[ 7970.505672][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7970.505672][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7970.505672][T12167]      ___sys_sendmsg+0xee/0x170
[ 7970.505672][T12167]      __sys_sendmsg+0xcd/0x170
[ 7970.505672][T12167]      do_syscall_64+0xc6/0x1e0
[ 7970.505672][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7970.505672][T12167] 
[ 7970.507440][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7970.507440][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7970.507440][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7970.507440][T12167]      ipv6_find_idev+0x102/0x170
[ 7970.507440][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7970.507440][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7970.507440][T12167]      netlink_rcv_skb+0x130/0x360
[ 7970.507440][T12167]      netlink_unicast+0x449/0x710
[ 7970.507440][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7970.507440][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7970.507440][T12167]      ___sys_sendmsg+0xee/0x170
[ 7970.507440][T12167]      __sys_sendmsg+0xcd/0x170
[ 7970.507440][T12167]      do_syscall_64+0xc6/0x1e0
[ 7970.507440][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7970.507440][T12167] 
[ 7980.750803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7980.751312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7980.751312][T12167]      netdev_get_by_index+0x5e/0x80
[ 7980.751312][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7980.751312][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7980.751312][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7980.751312][T12167]      ipv6_add_addr+0x411/0x2000
[ 7980.751312][T12167]      inet6_addr_add+0x30e/0xa40
[ 7980.751312][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7980.751312][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7980.751312][T12167]      netlink_rcv_skb+0x130/0x360
[ 7980.751312][T12167]      netlink_unicast+0x449/0x710
[ 7980.751312][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7980.751312][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7980.751312][T12167]      ___sys_sendmsg+0xee/0x170
[ 7980.751312][T12167]      __sys_sendmsg+0xcd/0x170
[ 7980.751312][T12167]      do_syscall_64+0xc6/0x1e0
[ 7980.751312][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7980.751312][T12167] 
[ 7980.753625][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7980.753625][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7980.753625][T12167]      ipv6_find_idev+0x102/0x170
[ 7980.753625][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7980.753625][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7980.753625][T12167]      netlink_rcv_skb+0x130/0x360
[ 7980.753625][T12167]      netlink_unicast+0x449/0x710
[ 7980.753625][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7980.753625][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7980.753625][T12167]      ___sys_sendmsg+0xee/0x170
[ 7980.753625][T12167]      __sys_sendmsg+0xcd/0x170
[ 7980.753625][T12167]      do_syscall_64+0xc6/0x1e0
[ 7980.753625][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7980.753625][T12167] 
[ 7980.755496][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7980.755496][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7980.755496][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7980.755496][T12167]      ipv6_find_idev+0x102/0x170
[ 7980.755496][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7980.755496][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7980.755496][T12167]      netlink_rcv_skb+0x130/0x360
[ 7980.755496][T12167]      netlink_unicast+0x449/0x710
[ 7980.755496][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7980.755496][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7980.755496][T12167]      ___sys_sendmsg+0xee/0x170
[ 7980.755496][T12167]      __sys_sendmsg+0xcd/0x170
[ 7980.755496][T12167]      do_syscall_64+0xc6/0x1e0
[ 7980.755496][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7980.755496][T12167] 
[ 7990.998767][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7990.999274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7990.999274][T12167]      netdev_get_by_index+0x5e/0x80
[ 7990.999274][T12167]      fib6_nh_init+0x3d8/0x1580
[ 7990.999274][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 7990.999274][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 7990.999274][T12167]      ipv6_add_addr+0x411/0x2000
[ 7990.999274][T12167]      inet6_addr_add+0x30e/0xa40
[ 7990.999274][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 7990.999274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7990.999274][T12167]      netlink_rcv_skb+0x130/0x360
[ 7990.999274][T12167]      netlink_unicast+0x449/0x710
[ 7990.999274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7990.999274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7990.999274][T12167]      ___sys_sendmsg+0xee/0x170
[ 7990.999274][T12167]      __sys_sendmsg+0xcd/0x170
[ 7990.999274][T12167]      do_syscall_64+0xc6/0x1e0
[ 7990.999274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7990.999274][T12167] 
[ 7991.001699][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7991.001699][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 7991.001699][T12167]      ipv6_find_idev+0x102/0x170
[ 7991.001699][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7991.001699][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7991.001699][T12167]      netlink_rcv_skb+0x130/0x360
[ 7991.001699][T12167]      netlink_unicast+0x449/0x710
[ 7991.001699][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7991.001699][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7991.001699][T12167]      ___sys_sendmsg+0xee/0x170
[ 7991.001699][T12167]      __sys_sendmsg+0xcd/0x170
[ 7991.001699][T12167]      do_syscall_64+0xc6/0x1e0
[ 7991.001699][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7991.001699][T12167] 
[ 7991.003456][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 7991.003456][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 7991.003456][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 7991.003456][T12167]      ipv6_find_idev+0x102/0x170
[ 7991.003456][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7991.003456][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7991.003456][T12167]      netlink_rcv_skb+0x130/0x360
[ 7991.003456][T12167]      netlink_unicast+0x449/0x710
[ 7991.003456][T12167]      netlink_sendmsg+0x723/0xbe0
[ 7991.003456][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 7991.003456][T12167]      ___sys_sendmsg+0xee/0x170
[ 7991.003456][T12167]      __sys_sendmsg+0xcd/0x170
[ 7991.003456][T12167]      do_syscall_64+0xc6/0x1e0
[ 7991.003456][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7991.003456][T12167] 
[ 8001.246824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8001.247353][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8001.247353][T12167]      netdev_get_by_index+0x5e/0x80
[ 8001.247353][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8001.247353][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8001.247353][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8001.247353][T12167]      ipv6_add_addr+0x411/0x2000
[ 8001.247353][T12167]      inet6_addr_add+0x30e/0xa40
[ 8001.247353][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8001.247353][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8001.247353][T12167]      netlink_rcv_skb+0x130/0x360
[ 8001.247353][T12167]      netlink_unicast+0x449/0x710
[ 8001.247353][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8001.247353][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8001.247353][T12167]      ___sys_sendmsg+0xee/0x170
[ 8001.247353][T12167]      __sys_sendmsg+0xcd/0x170
[ 8001.247353][T12167]      do_syscall_64+0xc6/0x1e0
[ 8001.247353][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8001.247353][T12167] 
[ 8001.249665][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8001.249665][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8001.249665][T12167]      ipv6_find_idev+0x102/0x170
[ 8001.249665][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8001.249665][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8001.249665][T12167]      netlink_rcv_skb+0x130/0x360
[ 8001.249665][T12167]      netlink_unicast+0x449/0x710
[ 8001.249665][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8001.249665][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8001.249665][T12167]      ___sys_sendmsg+0xee/0x170
[ 8001.249665][T12167]      __sys_sendmsg+0xcd/0x170
[ 8001.249665][T12167]      do_syscall_64+0xc6/0x1e0
[ 8001.249665][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8001.249665][T12167] 
[ 8001.251423][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8001.251423][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8001.251423][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8001.251423][T12167]      ipv6_find_idev+0x102/0x170
[ 8001.251423][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8001.251423][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8001.251423][T12167]      netlink_rcv_skb+0x130/0x360
[ 8001.251423][T12167]      netlink_unicast+0x449/0x710
[ 8001.251423][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8001.251423][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8001.251423][T12167]      ___sys_sendmsg+0xee/0x170
[ 8001.251423][T12167]      __sys_sendmsg+0xcd/0x170
[ 8001.251423][T12167]      do_syscall_64+0xc6/0x1e0
[ 8001.251423][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8001.251423][T12167] 
[ 8011.494826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8011.495332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8011.495332][T12167]      netdev_get_by_index+0x5e/0x80
[ 8011.495332][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8011.495332][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8011.495332][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8011.495332][T12167]      ipv6_add_addr+0x411/0x2000
[ 8011.495332][T12167]      inet6_addr_add+0x30e/0xa40
[ 8011.495332][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8011.495332][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8011.495332][T12167]      netlink_rcv_skb+0x130/0x360
[ 8011.495332][T12167]      netlink_unicast+0x449/0x710
[ 8011.495332][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8011.495332][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8011.495332][T12167]      ___sys_sendmsg+0xee/0x170
[ 8011.495332][T12167]      __sys_sendmsg+0xcd/0x170
[ 8011.495332][T12167]      do_syscall_64+0xc6/0x1e0
[ 8011.495332][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8011.495332][T12167] 
[ 8011.497650][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8011.497650][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8011.497650][T12167]      ipv6_find_idev+0x102/0x170
[ 8011.497650][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8011.497650][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8011.497650][T12167]      netlink_rcv_skb+0x130/0x360
[ 8011.497650][T12167]      netlink_unicast+0x449/0x710
[ 8011.497650][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8011.497650][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8011.497650][T12167]      ___sys_sendmsg+0xee/0x170
[ 8011.497650][T12167]      __sys_sendmsg+0xcd/0x170
[ 8011.497650][T12167]      do_syscall_64+0xc6/0x1e0
[ 8011.497650][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8011.497650][T12167] 
[ 8011.499423][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8011.499423][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8011.499423][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8011.499423][T12167]      ipv6_find_idev+0x102/0x170
[ 8011.499423][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8011.499423][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8011.499423][T12167]      netlink_rcv_skb+0x130/0x360
[ 8011.499423][T12167]      netlink_unicast+0x449/0x710
[ 8011.499423][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8011.499423][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8011.499423][T12167]      ___sys_sendmsg+0xee/0x170
[ 8011.499423][T12167]      __sys_sendmsg+0xcd/0x170
[ 8011.499423][T12167]      do_syscall_64+0xc6/0x1e0
[ 8011.499423][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8011.499423][T12167] 
[ 8021.742818][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8021.743321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8021.743321][T12167]      netdev_get_by_index+0x5e/0x80
[ 8021.743321][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8021.743321][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8021.743321][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8021.743321][T12167]      ipv6_add_addr+0x411/0x2000
[ 8021.743321][T12167]      inet6_addr_add+0x30e/0xa40
[ 8021.743321][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8021.743321][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8021.743321][T12167]      netlink_rcv_skb+0x130/0x360
[ 8021.743321][T12167]      netlink_unicast+0x449/0x710
[ 8021.743321][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8021.743321][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8021.743321][T12167]      ___sys_sendmsg+0xee/0x170
[ 8021.743321][T12167]      __sys_sendmsg+0xcd/0x170
[ 8021.743321][T12167]      do_syscall_64+0xc6/0x1e0
[ 8021.743321][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8021.743321][T12167] 
[ 8021.746151][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8021.746151][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8021.746151][T12167]      ipv6_find_idev+0x102/0x170
[ 8021.746151][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8021.746151][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8021.746151][T12167]      netlink_rcv_skb+0x130/0x360
[ 8021.746151][T12167]      netlink_unicast+0x449/0x710
[ 8021.746151][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8021.746151][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8021.746151][T12167]      ___sys_sendmsg+0xee/0x170
[ 8021.746151][T12167]      __sys_sendmsg+0xcd/0x170
[ 8021.746151][T12167]      do_syscall_64+0xc6/0x1e0
[ 8021.746151][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8021.746151][T12167] 
[ 8021.747907][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8021.747907][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8021.747907][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8021.747907][T12167]      ipv6_find_idev+0x102/0x170
[ 8021.747907][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8021.747907][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8021.747907][T12167]      netlink_rcv_skb+0x130/0x360
[ 8021.747907][T12167]      netlink_unicast+0x449/0x710
[ 8021.747907][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8021.747907][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8021.747907][T12167]      ___sys_sendmsg+0xee/0x170
[ 8021.747907][T12167]      __sys_sendmsg+0xcd/0x170
[ 8021.747907][T12167]      do_syscall_64+0xc6/0x1e0
[ 8021.747907][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8021.747907][T12167] 
[ 8031.990813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8031.991314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8031.991314][T12167]      netdev_get_by_index+0x5e/0x80
[ 8031.991314][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8031.991314][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8031.991314][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8031.991314][T12167]      ipv6_add_addr+0x411/0x2000
[ 8031.991314][T12167]      inet6_addr_add+0x30e/0xa40
[ 8031.991314][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8031.991314][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8031.991314][T12167]      netlink_rcv_skb+0x130/0x360
[ 8031.991314][T12167]      netlink_unicast+0x449/0x710
[ 8031.991314][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8031.991314][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8031.991314][T12167]      ___sys_sendmsg+0xee/0x170
[ 8031.991314][T12167]      __sys_sendmsg+0xcd/0x170
[ 8031.991314][T12167]      do_syscall_64+0xc6/0x1e0
[ 8031.991314][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8031.991314][T12167] 
[ 8031.993720][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8031.993720][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8031.993720][T12167]      ipv6_find_idev+0x102/0x170
[ 8031.993720][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8031.993720][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8031.993720][T12167]      netlink_rcv_skb+0x130/0x360
[ 8031.993720][T12167]      netlink_unicast+0x449/0x710
[ 8031.993720][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8031.993720][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8031.993720][T12167]      ___sys_sendmsg+0xee/0x170
[ 8031.993720][T12167]      __sys_sendmsg+0xcd/0x170
[ 8031.993720][T12167]      do_syscall_64+0xc6/0x1e0
[ 8031.993720][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8031.993720][T12167] 
[ 8031.995481][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8031.995481][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8031.995481][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8031.995481][T12167]      ipv6_find_idev+0x102/0x170
[ 8031.995481][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8031.995481][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8031.995481][T12167]      netlink_rcv_skb+0x130/0x360
[ 8031.995481][T12167]      netlink_unicast+0x449/0x710
[ 8031.995481][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8031.995481][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8031.995481][T12167]      ___sys_sendmsg+0xee/0x170
[ 8031.995481][T12167]      __sys_sendmsg+0xcd/0x170
[ 8031.995481][T12167]      do_syscall_64+0xc6/0x1e0
[ 8031.995481][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8031.995481][T12167] 
[ 8042.150829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8042.151340][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8042.151340][T12167]      netdev_get_by_index+0x5e/0x80
[ 8042.151340][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8042.151340][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8042.151340][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8042.151340][T12167]      ipv6_add_addr+0x411/0x2000
[ 8042.151340][T12167]      inet6_addr_add+0x30e/0xa40
[ 8042.151340][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8042.151340][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8042.151340][T12167]      netlink_rcv_skb+0x130/0x360
[ 8042.151340][T12167]      netlink_unicast+0x449/0x710
[ 8042.151340][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8042.151340][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8042.151340][T12167]      ___sys_sendmsg+0xee/0x170
[ 8042.151340][T12167]      __sys_sendmsg+0xcd/0x170
[ 8042.151340][T12167]      do_syscall_64+0xc6/0x1e0
[ 8042.151340][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8042.151340][T12167] 
[ 8042.153640][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8042.153640][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8042.153640][T12167]      ipv6_find_idev+0x102/0x170
[ 8042.153640][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8042.153640][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8042.153640][T12167]      netlink_rcv_skb+0x130/0x360
[ 8042.153640][T12167]      netlink_unicast+0x449/0x710
[ 8042.153640][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8042.153640][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8042.153640][T12167]      ___sys_sendmsg+0xee/0x170
[ 8042.153640][T12167]      __sys_sendmsg+0xcd/0x170
[ 8042.153640][T12167]      do_syscall_64+0xc6/0x1e0
[ 8042.153640][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8042.153640][T12167] 
[ 8042.155393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8042.155393][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8042.155393][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8042.155393][T12167]      ipv6_find_idev+0x102/0x170
[ 8042.155393][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8042.155393][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8042.155393][T12167]      netlink_rcv_skb+0x130/0x360
[ 8042.155393][T12167]      netlink_unicast+0x449/0x710
[ 8042.155393][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8042.155393][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8042.155393][T12167]      ___sys_sendmsg+0xee/0x170
[ 8042.155393][T12167]      __sys_sendmsg+0xcd/0x170
[ 8042.155393][T12167]      do_syscall_64+0xc6/0x1e0
[ 8042.155393][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8042.155393][T12167] 
[ 8052.398811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8052.399328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8052.399328][T12167]      netdev_get_by_index+0x5e/0x80
[ 8052.399328][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8052.399328][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8052.399328][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8052.399328][T12167]      ipv6_add_addr+0x411/0x2000
[ 8052.399328][T12167]      inet6_addr_add+0x30e/0xa40
[ 8052.399328][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8052.399328][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8052.399328][T12167]      netlink_rcv_skb+0x130/0x360
[ 8052.399328][T12167]      netlink_unicast+0x449/0x710
[ 8052.399328][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8052.399328][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8052.399328][T12167]      ___sys_sendmsg+0xee/0x170
[ 8052.399328][T12167]      __sys_sendmsg+0xcd/0x170
[ 8052.399328][T12167]      do_syscall_64+0xc6/0x1e0
[ 8052.399328][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8052.399328][T12167] 
[ 8052.401628][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8052.401628][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8052.401628][T12167]      ipv6_find_idev+0x102/0x170
[ 8052.401628][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8052.401628][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8052.401628][T12167]      netlink_rcv_skb+0x130/0x360
[ 8052.401628][T12167]      netlink_unicast+0x449/0x710
[ 8052.401628][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8052.401628][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8052.401628][T12167]      ___sys_sendmsg+0xee/0x170
[ 8052.401628][T12167]      __sys_sendmsg+0xcd/0x170
[ 8052.401628][T12167]      do_syscall_64+0xc6/0x1e0
[ 8052.401628][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8052.401628][T12167] 
[ 8052.403383][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8052.403383][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8052.403383][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8052.403383][T12167]      ipv6_find_idev+0x102/0x170
[ 8052.403383][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8052.403383][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8052.403383][T12167]      netlink_rcv_skb+0x130/0x360
[ 8052.403383][T12167]      netlink_unicast+0x449/0x710
[ 8052.403383][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8052.403383][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8052.403383][T12167]      ___sys_sendmsg+0xee/0x170
[ 8052.403383][T12167]      __sys_sendmsg+0xcd/0x170
[ 8052.403383][T12167]      do_syscall_64+0xc6/0x1e0
[ 8052.403383][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8052.403383][T12167] 
[ 8062.646816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8062.647338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8062.647338][T12167]      netdev_get_by_index+0x5e/0x80
[ 8062.647338][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8062.647338][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8062.647338][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8062.647338][T12167]      ipv6_add_addr+0x411/0x2000
[ 8062.647338][T12167]      inet6_addr_add+0x30e/0xa40
[ 8062.647338][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8062.647338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8062.647338][T12167]      netlink_rcv_skb+0x130/0x360
[ 8062.647338][T12167]      netlink_unicast+0x449/0x710
[ 8062.647338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8062.647338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8062.647338][T12167]      ___sys_sendmsg+0xee/0x170
[ 8062.647338][T12167]      __sys_sendmsg+0xcd/0x170
[ 8062.647338][T12167]      do_syscall_64+0xc6/0x1e0
[ 8062.647338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8062.647338][T12167] 
[ 8062.649778][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8062.649778][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8062.649778][T12167]      ipv6_find_idev+0x102/0x170
[ 8062.649778][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8062.649778][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8062.649778][T12167]      netlink_rcv_skb+0x130/0x360
[ 8062.649778][T12167]      netlink_unicast+0x449/0x710
[ 8062.649778][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8062.649778][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8062.649778][T12167]      ___sys_sendmsg+0xee/0x170
[ 8062.649778][T12167]      __sys_sendmsg+0xcd/0x170
[ 8062.649778][T12167]      do_syscall_64+0xc6/0x1e0
[ 8062.649778][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8062.649778][T12167] 
[ 8062.651536][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8062.651536][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8062.651536][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8062.651536][T12167]      ipv6_find_idev+0x102/0x170
[ 8062.651536][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8062.651536][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8062.651536][T12167]      netlink_rcv_skb+0x130/0x360
[ 8062.651536][T12167]      netlink_unicast+0x449/0x710
[ 8062.651536][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8062.651536][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8062.651536][T12167]      ___sys_sendmsg+0xee/0x170
[ 8062.651536][T12167]      __sys_sendmsg+0xcd/0x170
[ 8062.651536][T12167]      do_syscall_64+0xc6/0x1e0
[ 8062.651536][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8062.651536][T12167] 
[ 8072.894807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8072.895251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8072.895251][T12167]      netdev_get_by_index+0x5e/0x80
[ 8072.895251][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8072.895251][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8072.895251][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8072.895251][T12167]      ipv6_add_addr+0x411/0x2000
[ 8072.895251][T12167]      inet6_addr_add+0x30e/0xa40
[ 8072.895251][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8072.895251][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8072.895251][T12167]      netlink_rcv_skb+0x130/0x360
[ 8072.895251][T12167]      netlink_unicast+0x449/0x710
[ 8072.895251][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8072.895251][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8072.895251][T12167]      ___sys_sendmsg+0xee/0x170
[ 8072.895251][T12167]      __sys_sendmsg+0xcd/0x170
[ 8072.895251][T12167]      do_syscall_64+0xc6/0x1e0
[ 8072.895251][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8072.895251][T12167] 
[ 8072.897657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8072.897657][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8072.897657][T12167]      ipv6_find_idev+0x102/0x170
[ 8072.897657][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8072.897657][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8072.897657][T12167]      netlink_rcv_skb+0x130/0x360
[ 8072.897657][T12167]      netlink_unicast+0x449/0x710
[ 8072.897657][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8072.897657][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8072.897657][T12167]      ___sys_sendmsg+0xee/0x170
[ 8072.897657][T12167]      __sys_sendmsg+0xcd/0x170
[ 8072.897657][T12167]      do_syscall_64+0xc6/0x1e0
[ 8072.897657][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8072.897657][T12167] 
[ 8072.899406][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8072.899406][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8072.899406][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8072.899406][T12167]      ipv6_find_idev+0x102/0x170
[ 8072.899406][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8072.899406][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8072.899406][T12167]      netlink_rcv_skb+0x130/0x360
[ 8072.899406][T12167]      netlink_unicast+0x449/0x710
[ 8072.899406][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8072.899406][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8072.899406][T12167]      ___sys_sendmsg+0xee/0x170
[ 8072.899406][T12167]      __sys_sendmsg+0xcd/0x170
[ 8072.899406][T12167]      do_syscall_64+0xc6/0x1e0
[ 8072.899406][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8072.899406][T12167] 
[ 8083.142738][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8083.143265][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8083.143265][T12167]      netdev_get_by_index+0x5e/0x80
[ 8083.143265][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8083.143265][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8083.143265][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8083.143265][T12167]      ipv6_add_addr+0x411/0x2000
[ 8083.143265][T12167]      inet6_addr_add+0x30e/0xa40
[ 8083.143265][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8083.143265][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8083.143265][T12167]      netlink_rcv_skb+0x130/0x360
[ 8083.143265][T12167]      netlink_unicast+0x449/0x710
[ 8083.143265][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8083.143265][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8083.143265][T12167]      ___sys_sendmsg+0xee/0x170
[ 8083.143265][T12167]      __sys_sendmsg+0xcd/0x170
[ 8083.143265][T12167]      do_syscall_64+0xc6/0x1e0
[ 8083.143265][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8083.143265][T12167] 
[ 8083.145551][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8083.145551][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8083.145551][T12167]      ipv6_find_idev+0x102/0x170
[ 8083.145551][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8083.145551][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8083.145551][T12167]      netlink_rcv_skb+0x130/0x360
[ 8083.145551][T12167]      netlink_unicast+0x449/0x710
[ 8083.145551][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8083.145551][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8083.145551][T12167]      ___sys_sendmsg+0xee/0x170
[ 8083.145551][T12167]      __sys_sendmsg+0xcd/0x170
[ 8083.145551][T12167]      do_syscall_64+0xc6/0x1e0
[ 8083.145551][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8083.145551][T12167] 
[ 8083.147305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8083.147305][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8083.147305][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8083.147305][T12167]      ipv6_find_idev+0x102/0x170
[ 8083.147305][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8083.147305][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8083.147305][T12167]      netlink_rcv_skb+0x130/0x360
[ 8083.147305][T12167]      netlink_unicast+0x449/0x710
[ 8083.147305][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8083.147305][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8083.147305][T12167]      ___sys_sendmsg+0xee/0x170
[ 8083.147305][T12167]      __sys_sendmsg+0xcd/0x170
[ 8083.147305][T12167]      do_syscall_64+0xc6/0x1e0
[ 8083.147305][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8083.147305][T12167] 
[ 8093.390736][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8093.391245][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8093.391245][T12167]      netdev_get_by_index+0x5e/0x80
[ 8093.391245][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8093.391245][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8093.391245][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8093.391245][T12167]      ipv6_add_addr+0x411/0x2000
[ 8093.391245][T12167]      inet6_addr_add+0x30e/0xa40
[ 8093.391245][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8093.391245][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8093.391245][T12167]      netlink_rcv_skb+0x130/0x360
[ 8093.391245][T12167]      netlink_unicast+0x449/0x710
[ 8093.391245][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8093.391245][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8093.391245][T12167]      ___sys_sendmsg+0xee/0x170
[ 8093.391245][T12167]      __sys_sendmsg+0xcd/0x170
[ 8093.391245][T12167]      do_syscall_64+0xc6/0x1e0
[ 8093.391245][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8093.391245][T12167] 
[ 8093.393560][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8093.393560][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8093.393560][T12167]      ipv6_find_idev+0x102/0x170
[ 8093.393560][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8093.393560][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8093.393560][T12167]      netlink_rcv_skb+0x130/0x360
[ 8093.393560][T12167]      netlink_unicast+0x449/0x710
[ 8093.393560][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8093.393560][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8093.393560][T12167]      ___sys_sendmsg+0xee/0x170
[ 8093.393560][T12167]      __sys_sendmsg+0xcd/0x170
[ 8093.393560][T12167]      do_syscall_64+0xc6/0x1e0
[ 8093.393560][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8093.393560][T12167] 
[ 8093.395375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8093.395375][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8093.395375][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8093.395375][T12167]      ipv6_find_idev+0x102/0x170
[ 8093.395375][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8093.395375][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8093.395375][T12167]      netlink_rcv_skb+0x130/0x360
[ 8093.395375][T12167]      netlink_unicast+0x449/0x710
[ 8093.395375][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8093.395375][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8093.395375][T12167]      ___sys_sendmsg+0xee/0x170
[ 8093.395375][T12167]      __sys_sendmsg+0xcd/0x170
[ 8093.395375][T12167]      do_syscall_64+0xc6/0x1e0
[ 8093.395375][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8093.395375][T12167] 
[ 8103.638837][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8103.639331][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8103.639331][T12167]      netdev_get_by_index+0x5e/0x80
[ 8103.639331][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8103.639331][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8103.639331][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8103.639331][T12167]      ipv6_add_addr+0x411/0x2000
[ 8103.639331][T12167]      inet6_addr_add+0x30e/0xa40
[ 8103.639331][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8103.639331][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8103.639331][T12167]      netlink_rcv_skb+0x130/0x360
[ 8103.639331][T12167]      netlink_unicast+0x449/0x710
[ 8103.639331][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8103.639331][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8103.639331][T12167]      ___sys_sendmsg+0xee/0x170
[ 8103.639331][T12167]      __sys_sendmsg+0xcd/0x170
[ 8103.639331][T12167]      do_syscall_64+0xc6/0x1e0
[ 8103.639331][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8103.639331][T12167] 
[ 8103.641624][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8103.641624][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8103.641624][T12167]      ipv6_find_idev+0x102/0x170
[ 8103.641624][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8103.641624][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8103.641624][T12167]      netlink_rcv_skb+0x130/0x360
[ 8103.641624][T12167]      netlink_unicast+0x449/0x710
[ 8103.641624][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8103.641624][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8103.641624][T12167]      ___sys_sendmsg+0xee/0x170
[ 8103.641624][T12167]      __sys_sendmsg+0xcd/0x170
[ 8103.641624][T12167]      do_syscall_64+0xc6/0x1e0
[ 8103.641624][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8103.641624][T12167] 
[ 8103.643384][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8103.643384][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8103.643384][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8103.643384][T12167]      ipv6_find_idev+0x102/0x170
[ 8103.643384][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8103.643384][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8103.643384][T12167]      netlink_rcv_skb+0x130/0x360
[ 8103.643384][T12167]      netlink_unicast+0x449/0x710
[ 8103.643384][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8103.643384][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8103.643384][T12167]      ___sys_sendmsg+0xee/0x170
[ 8103.643384][T12167]      __sys_sendmsg+0xcd/0x170
[ 8103.643384][T12167]      do_syscall_64+0xc6/0x1e0
[ 8103.643384][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8103.643384][T12167] 
[ 8113.886745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8113.887262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8113.887262][T12167]      netdev_get_by_index+0x5e/0x80
[ 8113.887262][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8113.887262][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8113.887262][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8113.887262][T12167]      ipv6_add_addr+0x411/0x2000
[ 8113.887262][T12167]      inet6_addr_add+0x30e/0xa40
[ 8113.887262][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8113.887262][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8113.887262][T12167]      netlink_rcv_skb+0x130/0x360
[ 8113.887262][T12167]      netlink_unicast+0x449/0x710
[ 8113.887262][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8113.887262][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8113.887262][T12167]      ___sys_sendmsg+0xee/0x170
[ 8113.887262][T12167]      __sys_sendmsg+0xcd/0x170
[ 8113.887262][T12167]      do_syscall_64+0xc6/0x1e0
[ 8113.887262][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8113.887262][T12167] 
[ 8113.889572][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8113.889572][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8113.889572][T12167]      ipv6_find_idev+0x102/0x170
[ 8113.889572][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8113.889572][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8113.889572][T12167]      netlink_rcv_skb+0x130/0x360
[ 8113.889572][T12167]      netlink_unicast+0x449/0x710
[ 8113.889572][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8113.889572][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8113.889572][T12167]      ___sys_sendmsg+0xee/0x170
[ 8113.889572][T12167]      __sys_sendmsg+0xcd/0x170
[ 8113.889572][T12167]      do_syscall_64+0xc6/0x1e0
[ 8113.889572][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8113.889572][T12167] 
[ 8113.891332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8113.891332][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8113.891332][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8113.891332][T12167]      ipv6_find_idev+0x102/0x170
[ 8113.891332][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8113.891332][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8113.891332][T12167]      netlink_rcv_skb+0x130/0x360
[ 8113.891332][T12167]      netlink_unicast+0x449/0x710
[ 8113.891332][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8113.891332][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8113.891332][T12167]      ___sys_sendmsg+0xee/0x170
[ 8113.891332][T12167]      __sys_sendmsg+0xcd/0x170
[ 8113.891332][T12167]      do_syscall_64+0xc6/0x1e0
[ 8113.891332][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8113.891332][T12167] 
[ 8124.134825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8124.135436][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8124.135436][T12167]      netdev_get_by_index+0x5e/0x80
[ 8124.135436][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8124.135436][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8124.135436][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8124.135436][T12167]      ipv6_add_addr+0x411/0x2000
[ 8124.135436][T12167]      inet6_addr_add+0x30e/0xa40
[ 8124.135436][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8124.135436][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8124.135436][T12167]      netlink_rcv_skb+0x130/0x360
[ 8124.135436][T12167]      netlink_unicast+0x449/0x710
[ 8124.135436][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8124.135436][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8124.135436][T12167]      ___sys_sendmsg+0xee/0x170
[ 8124.135436][T12167]      __sys_sendmsg+0xcd/0x170
[ 8124.135436][T12167]      do_syscall_64+0xc6/0x1e0
[ 8124.135436][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8124.135436][T12167] 
[ 8124.138178][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8124.138178][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8124.138178][T12167]      ipv6_find_idev+0x102/0x170
[ 8124.138178][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8124.138178][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8124.138178][T12167]      netlink_rcv_skb+0x130/0x360
[ 8124.138178][T12167]      netlink_unicast+0x449/0x710
[ 8124.138178][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8124.138178][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8124.138178][T12167]      ___sys_sendmsg+0xee/0x170
[ 8124.138178][T12167]      __sys_sendmsg+0xcd/0x170
[ 8124.138178][T12167]      do_syscall_64+0xc6/0x1e0
[ 8124.138178][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8124.138178][T12167] 
[ 8124.140259][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8124.140259][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8124.140259][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8124.140259][T12167]      ipv6_find_idev+0x102/0x170
[ 8124.140259][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8124.140259][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8124.140259][T12167]      netlink_rcv_skb+0x130/0x360
[ 8124.140259][T12167]      netlink_unicast+0x449/0x710
[ 8124.140259][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8124.140259][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8124.140259][T12167]      ___sys_sendmsg+0xee/0x170
[ 8124.140259][T12167]      __sys_sendmsg+0xcd/0x170
[ 8124.140259][T12167]      do_syscall_64+0xc6/0x1e0
[ 8124.140259][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8124.140259][T12167] 
[ 8134.382822][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8134.383392][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8134.383392][T12167]      netdev_get_by_index+0x5e/0x80
[ 8134.383392][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8134.383392][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8134.383392][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8134.383392][T12167]      ipv6_add_addr+0x411/0x2000
[ 8134.383392][T12167]      inet6_addr_add+0x30e/0xa40
[ 8134.383392][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8134.383392][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8134.383392][T12167]      netlink_rcv_skb+0x130/0x360
[ 8134.383392][T12167]      netlink_unicast+0x449/0x710
[ 8134.383392][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8134.383392][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8134.383392][T12167]      ___sys_sendmsg+0xee/0x170
[ 8134.383392][T12167]      __sys_sendmsg+0xcd/0x170
[ 8134.383392][T12167]      do_syscall_64+0xc6/0x1e0
[ 8134.383392][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8134.383392][T12167] 
[ 8134.385960][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8134.385960][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8134.385960][T12167]      ipv6_find_idev+0x102/0x170
[ 8134.385960][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8134.385960][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8134.385960][T12167]      netlink_rcv_skb+0x130/0x360
[ 8134.385960][T12167]      netlink_unicast+0x449/0x710
[ 8134.385960][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8134.385960][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8134.385960][T12167]      ___sys_sendmsg+0xee/0x170
[ 8134.385960][T12167]      __sys_sendmsg+0xcd/0x170
[ 8134.385960][T12167]      do_syscall_64+0xc6/0x1e0
[ 8134.385960][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8134.385960][T12167] 
[ 8134.387929][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8134.387929][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8134.387929][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8134.387929][T12167]      ipv6_find_idev+0x102/0x170
[ 8134.387929][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8134.387929][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8134.387929][T12167]      netlink_rcv_skb+0x130/0x360
[ 8134.387929][T12167]      netlink_unicast+0x449/0x710
[ 8134.387929][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8134.387929][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8134.387929][T12167]      ___sys_sendmsg+0xee/0x170
[ 8134.387929][T12167]      __sys_sendmsg+0xcd/0x170
[ 8134.387929][T12167]      do_syscall_64+0xc6/0x1e0
[ 8134.387929][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8134.387929][T12167] 
[ 8144.630822][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8144.631401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8144.631401][T12167]      netdev_get_by_index+0x5e/0x80
[ 8144.631401][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8144.631401][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8144.631401][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8144.631401][T12167]      ipv6_add_addr+0x411/0x2000
[ 8144.631401][T12167]      inet6_addr_add+0x30e/0xa40
[ 8144.631401][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8144.631401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8144.631401][T12167]      netlink_rcv_skb+0x130/0x360
[ 8144.631401][T12167]      netlink_unicast+0x449/0x710
[ 8144.631401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8144.631401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8144.631401][T12167]      ___sys_sendmsg+0xee/0x170
[ 8144.631401][T12167]      __sys_sendmsg+0xcd/0x170
[ 8144.631401][T12167]      do_syscall_64+0xc6/0x1e0
[ 8144.631401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8144.631401][T12167] 
[ 8144.634001][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8144.634001][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8144.634001][T12167]      ipv6_find_idev+0x102/0x170
[ 8144.634001][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8144.634001][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8144.634001][T12167]      netlink_rcv_skb+0x130/0x360
[ 8144.634001][T12167]      netlink_unicast+0x449/0x710
[ 8144.634001][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8144.634001][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8144.634001][T12167]      ___sys_sendmsg+0xee/0x170
[ 8144.634001][T12167]      __sys_sendmsg+0xcd/0x170
[ 8144.634001][T12167]      do_syscall_64+0xc6/0x1e0
[ 8144.634001][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8144.634001][T12167] 
[ 8144.635977][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8144.635977][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8144.635977][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8144.635977][T12167]      ipv6_find_idev+0x102/0x170
[ 8144.635977][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8144.635977][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8144.635977][T12167]      netlink_rcv_skb+0x130/0x360
[ 8144.635977][T12167]      netlink_unicast+0x449/0x710
[ 8144.635977][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8144.635977][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8144.635977][T12167]      ___sys_sendmsg+0xee/0x170
[ 8144.635977][T12167]      __sys_sendmsg+0xcd/0x170
[ 8144.635977][T12167]      do_syscall_64+0xc6/0x1e0
[ 8144.635977][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8144.635977][T12167] 
[ 8154.878811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8154.879378][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8154.879378][T12167]      netdev_get_by_index+0x5e/0x80
[ 8154.879378][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8154.879378][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8154.879378][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8154.879378][T12167]      ipv6_add_addr+0x411/0x2000
[ 8154.879378][T12167]      inet6_addr_add+0x30e/0xa40
[ 8154.879378][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8154.879378][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8154.879378][T12167]      netlink_rcv_skb+0x130/0x360
[ 8154.879378][T12167]      netlink_unicast+0x449/0x710
[ 8154.879378][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8154.879378][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8154.879378][T12167]      ___sys_sendmsg+0xee/0x170
[ 8154.879378][T12167]      __sys_sendmsg+0xcd/0x170
[ 8154.879378][T12167]      do_syscall_64+0xc6/0x1e0
[ 8154.879378][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8154.879378][T12167] 
[ 8154.882484][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8154.882484][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8154.882484][T12167]      ipv6_find_idev+0x102/0x170
[ 8154.882484][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8154.882484][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8154.882484][T12167]      netlink_rcv_skb+0x130/0x360
[ 8154.882484][T12167]      netlink_unicast+0x449/0x710
[ 8154.882484][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8154.882484][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8154.882484][T12167]      ___sys_sendmsg+0xee/0x170
[ 8154.882484][T12167]      __sys_sendmsg+0xcd/0x170
[ 8154.882484][T12167]      do_syscall_64+0xc6/0x1e0
[ 8154.882484][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8154.882484][T12167] 
[ 8154.884449][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8154.884449][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8154.884449][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8154.884449][T12167]      ipv6_find_idev+0x102/0x170
[ 8154.884449][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8154.884449][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8154.884449][T12167]      netlink_rcv_skb+0x130/0x360
[ 8154.884449][T12167]      netlink_unicast+0x449/0x710
[ 8154.884449][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8154.884449][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8154.884449][T12167]      ___sys_sendmsg+0xee/0x170
[ 8154.884449][T12167]      __sys_sendmsg+0xcd/0x170
[ 8154.884449][T12167]      do_syscall_64+0xc6/0x1e0
[ 8154.884449][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8154.884449][T12167] 
[ 8165.126850][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8165.127728][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8165.127728][T12167]      netdev_get_by_index+0x5e/0x80
[ 8165.127728][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8165.127728][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8165.127728][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8165.127728][T12167]      ipv6_add_addr+0x411/0x2000
[ 8165.127728][T12167]      inet6_addr_add+0x30e/0xa40
[ 8165.127728][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8165.127728][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8165.127728][T12167]      netlink_rcv_skb+0x130/0x360
[ 8165.127728][T12167]      netlink_unicast+0x449/0x710
[ 8165.127728][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8165.127728][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8165.127728][T12167]      ___sys_sendmsg+0xee/0x170
[ 8165.127728][T12167]      __sys_sendmsg+0xcd/0x170
[ 8165.127728][T12167]      do_syscall_64+0xc6/0x1e0
[ 8165.127728][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8165.127728][T12167] 
[ 8165.132575][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8165.132575][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8165.132575][T12167]      ipv6_find_idev+0x102/0x170
[ 8165.132575][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8165.132575][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8165.132575][T12167]      netlink_rcv_skb+0x130/0x360
[ 8165.132575][T12167]      netlink_unicast+0x449/0x710
[ 8165.132575][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8165.132575][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8165.132575][T12167]      ___sys_sendmsg+0xee/0x170
[ 8165.132575][T12167]      __sys_sendmsg+0xcd/0x170
[ 8165.132575][T12167]      do_syscall_64+0xc6/0x1e0
[ 8165.132575][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8165.132575][T12167] 
[ 8165.136274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8165.136274][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8165.136274][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8165.136274][T12167]      ipv6_find_idev+0x102/0x170
[ 8165.136274][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8165.136274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8165.136274][T12167]      netlink_rcv_skb+0x130/0x360
[ 8165.136274][T12167]      netlink_unicast+0x449/0x710
[ 8165.136274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8165.136274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8165.136274][T12167]      ___sys_sendmsg+0xee/0x170
[ 8165.136274][T12167]      __sys_sendmsg+0xcd/0x170
[ 8165.136274][T12167]      do_syscall_64+0xc6/0x1e0
[ 8165.136274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8165.136274][T12167] 
[ 8175.246804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8175.247404][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8175.247404][T12167]      netdev_get_by_index+0x5e/0x80
[ 8175.247404][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8175.247404][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8175.247404][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8175.247404][T12167]      ipv6_add_addr+0x411/0x2000
[ 8175.247404][T12167]      inet6_addr_add+0x30e/0xa40
[ 8175.247404][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8175.247404][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8175.247404][T12167]      netlink_rcv_skb+0x130/0x360
[ 8175.247404][T12167]      netlink_unicast+0x449/0x710
[ 8175.247404][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8175.247404][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8175.247404][T12167]      ___sys_sendmsg+0xee/0x170
[ 8175.247404][T12167]      __sys_sendmsg+0xcd/0x170
[ 8175.247404][T12167]      do_syscall_64+0xc6/0x1e0
[ 8175.247404][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8175.247404][T12167] 
[ 8175.249975][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8175.249975][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8175.249975][T12167]      ipv6_find_idev+0x102/0x170
[ 8175.249975][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8175.249975][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8175.249975][T12167]      netlink_rcv_skb+0x130/0x360
[ 8175.249975][T12167]      netlink_unicast+0x449/0x710
[ 8175.249975][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8175.249975][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8175.249975][T12167]      ___sys_sendmsg+0xee/0x170
[ 8175.249975][T12167]      __sys_sendmsg+0xcd/0x170
[ 8175.249975][T12167]      do_syscall_64+0xc6/0x1e0
[ 8175.249975][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8175.249975][T12167] 
[ 8175.251927][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8175.251927][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8175.251927][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8175.251927][T12167]      ipv6_find_idev+0x102/0x170
[ 8175.251927][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8175.251927][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8175.251927][T12167]      netlink_rcv_skb+0x130/0x360
[ 8175.251927][T12167]      netlink_unicast+0x449/0x710
[ 8175.251927][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8175.251927][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8175.251927][T12167]      ___sys_sendmsg+0xee/0x170
[ 8175.251927][T12167]      __sys_sendmsg+0xcd/0x170
[ 8175.251927][T12167]      do_syscall_64+0xc6/0x1e0
[ 8175.251927][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8175.251927][T12167] 
[ 8185.502767][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8185.503345][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8185.503345][T12167]      netdev_get_by_index+0x5e/0x80
[ 8185.503345][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8185.503345][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8185.503345][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8185.503345][T12167]      ipv6_add_addr+0x411/0x2000
[ 8185.503345][T12167]      inet6_addr_add+0x30e/0xa40
[ 8185.503345][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8185.503345][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8185.503345][T12167]      netlink_rcv_skb+0x130/0x360
[ 8185.503345][T12167]      netlink_unicast+0x449/0x710
[ 8185.503345][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8185.503345][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8185.503345][T12167]      ___sys_sendmsg+0xee/0x170
[ 8185.503345][T12167]      __sys_sendmsg+0xcd/0x170
[ 8185.503345][T12167]      do_syscall_64+0xc6/0x1e0
[ 8185.503345][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8185.503345][T12167] 
[ 8185.505945][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8185.505945][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8185.505945][T12167]      ipv6_find_idev+0x102/0x170
[ 8185.505945][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8185.505945][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8185.505945][T12167]      netlink_rcv_skb+0x130/0x360
[ 8185.505945][T12167]      netlink_unicast+0x449/0x710
[ 8185.505945][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8185.505945][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8185.505945][T12167]      ___sys_sendmsg+0xee/0x170
[ 8185.505945][T12167]      __sys_sendmsg+0xcd/0x170
[ 8185.505945][T12167]      do_syscall_64+0xc6/0x1e0
[ 8185.505945][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8185.505945][T12167] 
[ 8185.507919][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8185.507919][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8185.507919][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8185.507919][T12167]      ipv6_find_idev+0x102/0x170
[ 8185.507919][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8185.507919][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8185.507919][T12167]      netlink_rcv_skb+0x130/0x360
[ 8185.507919][T12167]      netlink_unicast+0x449/0x710
[ 8185.507919][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8185.507919][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8185.507919][T12167]      ___sys_sendmsg+0xee/0x170
[ 8185.507919][T12167]      __sys_sendmsg+0xcd/0x170
[ 8185.507919][T12167]      do_syscall_64+0xc6/0x1e0
[ 8185.507919][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8185.507919][T12167] 
[ 8195.638747][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8195.639304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8195.639304][T12167]      netdev_get_by_index+0x5e/0x80
[ 8195.639304][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8195.639304][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8195.639304][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8195.639304][T12167]      ipv6_add_addr+0x411/0x2000
[ 8195.639304][T12167]      inet6_addr_add+0x30e/0xa40
[ 8195.639304][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8195.639304][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8195.639304][T12167]      netlink_rcv_skb+0x130/0x360
[ 8195.639304][T12167]      netlink_unicast+0x449/0x710
[ 8195.639304][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8195.639304][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8195.639304][T12167]      ___sys_sendmsg+0xee/0x170
[ 8195.639304][T12167]      __sys_sendmsg+0xcd/0x170
[ 8195.639304][T12167]      do_syscall_64+0xc6/0x1e0
[ 8195.639304][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8195.639304][T12167] 
[ 8195.641849][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8195.641849][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8195.641849][T12167]      ipv6_find_idev+0x102/0x170
[ 8195.641849][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8195.641849][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8195.641849][T12167]      netlink_rcv_skb+0x130/0x360
[ 8195.641849][T12167]      netlink_unicast+0x449/0x710
[ 8195.641849][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8195.641849][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8195.641849][T12167]      ___sys_sendmsg+0xee/0x170
[ 8195.641849][T12167]      __sys_sendmsg+0xcd/0x170
[ 8195.641849][T12167]      do_syscall_64+0xc6/0x1e0
[ 8195.641849][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8195.641849][T12167] 
[ 8195.643795][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8195.643795][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8195.643795][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8195.643795][T12167]      ipv6_find_idev+0x102/0x170
[ 8195.643795][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8195.643795][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8195.643795][T12167]      netlink_rcv_skb+0x130/0x360
[ 8195.643795][T12167]      netlink_unicast+0x449/0x710
[ 8195.643795][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8195.643795][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8195.643795][T12167]      ___sys_sendmsg+0xee/0x170
[ 8195.643795][T12167]      __sys_sendmsg+0xcd/0x170
[ 8195.643795][T12167]      do_syscall_64+0xc6/0x1e0
[ 8195.643795][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8195.643795][T12167] 
[ 8205.678852][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8205.679342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8205.679342][T12167]      netdev_get_by_index+0x5e/0x80
[ 8205.679342][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8205.679342][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8205.679342][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8205.679342][T12167]      ipv6_add_addr+0x411/0x2000
[ 8205.679342][T12167]      inet6_addr_add+0x30e/0xa40
[ 8205.679342][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8205.679342][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.679342][T12167]      netlink_rcv_skb+0x130/0x360
[ 8205.679342][T12167]      netlink_unicast+0x449/0x710
[ 8205.679342][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8205.679342][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.679342][T12167]      ___sys_sendmsg+0xee/0x170
[ 8205.679342][T12167]      __sys_sendmsg+0xcd/0x170
[ 8205.679342][T12167]      do_syscall_64+0xc6/0x1e0
[ 8205.679342][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.679342][T12167] 
[ 8205.681657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8205.681657][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8205.681657][T12167]      ipv6_find_idev+0x102/0x170
[ 8205.681657][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8205.681657][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.681657][T12167]      netlink_rcv_skb+0x130/0x360
[ 8205.681657][T12167]      netlink_unicast+0x449/0x710
[ 8205.681657][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8205.681657][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.681657][T12167]      ___sys_sendmsg+0xee/0x170
[ 8205.681657][T12167]      __sys_sendmsg+0xcd/0x170
[ 8205.681657][T12167]      do_syscall_64+0xc6/0x1e0
[ 8205.681657][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.681657][T12167] 
[ 8205.683435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8205.683435][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8205.683435][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8205.683435][T12167]      ipv6_find_idev+0x102/0x170
[ 8205.683435][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8205.683435][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.683435][T12167]      netlink_rcv_skb+0x130/0x360
[ 8205.683435][T12167]      netlink_unicast+0x449/0x710
[ 8205.683435][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8205.683435][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.683435][T12167]      ___sys_sendmsg+0xee/0x170
[ 8205.683435][T12167]      __sys_sendmsg+0xcd/0x170
[ 8205.683435][T12167]      do_syscall_64+0xc6/0x1e0
[ 8205.683435][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.683435][T12167] 
[ 8215.726814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8215.727275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8215.727275][T12167]      netdev_get_by_index+0x5e/0x80
[ 8215.727275][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8215.727275][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8215.727275][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8215.727275][T12167]      ipv6_add_addr+0x411/0x2000
[ 8215.727275][T12167]      inet6_addr_add+0x30e/0xa40
[ 8215.727275][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8215.727275][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.727275][T12167]      netlink_rcv_skb+0x130/0x360
[ 8215.727275][T12167]      netlink_unicast+0x449/0x710
[ 8215.727275][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8215.727275][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.727275][T12167]      ___sys_sendmsg+0xee/0x170
[ 8215.727275][T12167]      __sys_sendmsg+0xcd/0x170
[ 8215.727275][T12167]      do_syscall_64+0xc6/0x1e0
[ 8215.727275][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.727275][T12167] 
[ 8215.729585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8215.729585][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8215.729585][T12167]      ipv6_find_idev+0x102/0x170
[ 8215.729585][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8215.729585][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.729585][T12167]      netlink_rcv_skb+0x130/0x360
[ 8215.729585][T12167]      netlink_unicast+0x449/0x710
[ 8215.729585][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8215.729585][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.729585][T12167]      ___sys_sendmsg+0xee/0x170
[ 8215.729585][T12167]      __sys_sendmsg+0xcd/0x170
[ 8215.729585][T12167]      do_syscall_64+0xc6/0x1e0
[ 8215.729585][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.729585][T12167] 
[ 8215.731334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8215.731334][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8215.731334][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8215.731334][T12167]      ipv6_find_idev+0x102/0x170
[ 8215.731334][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8215.731334][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.731334][T12167]      netlink_rcv_skb+0x130/0x360
[ 8215.731334][T12167]      netlink_unicast+0x449/0x710
[ 8215.731334][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8215.731334][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.731334][T12167]      ___sys_sendmsg+0xee/0x170
[ 8215.731334][T12167]      __sys_sendmsg+0xcd/0x170
[ 8215.731334][T12167]      do_syscall_64+0xc6/0x1e0
[ 8215.731334][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.731334][T12167] 
[ 8225.974803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8225.975255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8225.975255][T12167]      netdev_get_by_index+0x5e/0x80
[ 8225.975255][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8225.975255][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8225.975255][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8225.975255][T12167]      ipv6_add_addr+0x411/0x2000
[ 8225.975255][T12167]      inet6_addr_add+0x30e/0xa40
[ 8225.975255][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8225.975255][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.975255][T12167]      netlink_rcv_skb+0x130/0x360
[ 8225.975255][T12167]      netlink_unicast+0x449/0x710
[ 8225.975255][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8225.975255][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.975255][T12167]      ___sys_sendmsg+0xee/0x170
[ 8225.975255][T12167]      __sys_sendmsg+0xcd/0x170
[ 8225.975255][T12167]      do_syscall_64+0xc6/0x1e0
[ 8225.975255][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.975255][T12167] 
[ 8225.977616][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8225.977616][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8225.977616][T12167]      ipv6_find_idev+0x102/0x170
[ 8225.977616][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8225.977616][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.977616][T12167]      netlink_rcv_skb+0x130/0x360
[ 8225.977616][T12167]      netlink_unicast+0x449/0x710
[ 8225.977616][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8225.977616][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.977616][T12167]      ___sys_sendmsg+0xee/0x170
[ 8225.977616][T12167]      __sys_sendmsg+0xcd/0x170
[ 8225.977616][T12167]      do_syscall_64+0xc6/0x1e0
[ 8225.977616][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.977616][T12167] 
[ 8225.979381][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8225.979381][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8225.979381][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8225.979381][T12167]      ipv6_find_idev+0x102/0x170
[ 8225.979381][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8225.979381][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.979381][T12167]      netlink_rcv_skb+0x130/0x360
[ 8225.979381][T12167]      netlink_unicast+0x449/0x710
[ 8225.979381][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8225.979381][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.979381][T12167]      ___sys_sendmsg+0xee/0x170
[ 8225.979381][T12167]      __sys_sendmsg+0xcd/0x170
[ 8225.979381][T12167]      do_syscall_64+0xc6/0x1e0
[ 8225.979381][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.979381][T12167] 
[ 8236.222810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8236.223276][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8236.223276][T12167]      netdev_get_by_index+0x5e/0x80
[ 8236.223276][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8236.223276][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8236.223276][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8236.223276][T12167]      ipv6_add_addr+0x411/0x2000
[ 8236.223276][T12167]      inet6_addr_add+0x30e/0xa40
[ 8236.223276][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8236.223276][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8236.223276][T12167]      netlink_rcv_skb+0x130/0x360
[ 8236.223276][T12167]      netlink_unicast+0x449/0x710
[ 8236.223276][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8236.223276][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8236.223276][T12167]      ___sys_sendmsg+0xee/0x170
[ 8236.223276][T12167]      __sys_sendmsg+0xcd/0x170
[ 8236.223276][T12167]      do_syscall_64+0xc6/0x1e0
[ 8236.223276][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8236.223276][T12167] 
[ 8236.225575][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8236.225575][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8236.225575][T12167]      ipv6_find_idev+0x102/0x170
[ 8236.225575][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8236.225575][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8236.225575][T12167]      netlink_rcv_skb+0x130/0x360
[ 8236.225575][T12167]      netlink_unicast+0x449/0x710
[ 8236.225575][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8236.225575][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8236.225575][T12167]      ___sys_sendmsg+0xee/0x170
[ 8236.225575][T12167]      __sys_sendmsg+0xcd/0x170
[ 8236.225575][T12167]      do_syscall_64+0xc6/0x1e0
[ 8236.225575][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8236.225575][T12167] 
[ 8236.227337][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8236.227337][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8236.227337][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8236.227337][T12167]      ipv6_find_idev+0x102/0x170
[ 8236.227337][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8236.227337][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8236.227337][T12167]      netlink_rcv_skb+0x130/0x360
[ 8236.227337][T12167]      netlink_unicast+0x449/0x710
[ 8236.227337][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8236.227337][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8236.227337][T12167]      ___sys_sendmsg+0xee/0x170
[ 8236.227337][T12167]      __sys_sendmsg+0xcd/0x170
[ 8236.227337][T12167]      do_syscall_64+0xc6/0x1e0
[ 8236.227337][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8236.227337][T12167] 
[ 8246.470834][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8246.471279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8246.471279][T12167]      netdev_get_by_index+0x5e/0x80
[ 8246.471279][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8246.471279][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8246.471279][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8246.471279][T12167]      ipv6_add_addr+0x411/0x2000
[ 8246.471279][T12167]      inet6_addr_add+0x30e/0xa40
[ 8246.471279][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8246.471279][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.471279][T12167]      netlink_rcv_skb+0x130/0x360
[ 8246.471279][T12167]      netlink_unicast+0x449/0x710
[ 8246.471279][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8246.471279][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.471279][T12167]      ___sys_sendmsg+0xee/0x170
[ 8246.471279][T12167]      __sys_sendmsg+0xcd/0x170
[ 8246.471279][T12167]      do_syscall_64+0xc6/0x1e0
[ 8246.471279][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.471279][T12167] 
[ 8246.473570][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8246.473570][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8246.473570][T12167]      ipv6_find_idev+0x102/0x170
[ 8246.473570][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8246.473570][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.473570][T12167]      netlink_rcv_skb+0x130/0x360
[ 8246.473570][T12167]      netlink_unicast+0x449/0x710
[ 8246.473570][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8246.473570][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.473570][T12167]      ___sys_sendmsg+0xee/0x170
[ 8246.473570][T12167]      __sys_sendmsg+0xcd/0x170
[ 8246.473570][T12167]      do_syscall_64+0xc6/0x1e0
[ 8246.473570][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.473570][T12167] 
[ 8246.475333][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8246.475333][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8246.475333][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8246.475333][T12167]      ipv6_find_idev+0x102/0x170
[ 8246.475333][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8246.475333][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.475333][T12167]      netlink_rcv_skb+0x130/0x360
[ 8246.475333][T12167]      netlink_unicast+0x449/0x710
[ 8246.475333][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8246.475333][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.475333][T12167]      ___sys_sendmsg+0xee/0x170
[ 8246.475333][T12167]      __sys_sendmsg+0xcd/0x170
[ 8246.475333][T12167]      do_syscall_64+0xc6/0x1e0
[ 8246.475333][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.475333][T12167] 
[ 8256.718771][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8256.719408][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8256.719408][T12167]      netdev_get_by_index+0x5e/0x80
[ 8256.719408][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8256.719408][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8256.719408][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8256.719408][T12167]      ipv6_add_addr+0x411/0x2000
[ 8256.719408][T12167]      inet6_addr_add+0x30e/0xa40
[ 8256.719408][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8256.719408][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.719408][T12167]      netlink_rcv_skb+0x130/0x360
[ 8256.719408][T12167]      netlink_unicast+0x449/0x710
[ 8256.719408][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8256.719408][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.719408][T12167]      ___sys_sendmsg+0xee/0x170
[ 8256.719408][T12167]      __sys_sendmsg+0xcd/0x170
[ 8256.719408][T12167]      do_syscall_64+0xc6/0x1e0
[ 8256.719408][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.719408][T12167] 
[ 8256.723057][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8256.723057][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8256.723057][T12167]      ipv6_find_idev+0x102/0x170
[ 8256.723057][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8256.723057][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.723057][T12167]      netlink_rcv_skb+0x130/0x360
[ 8256.723057][T12167]      netlink_unicast+0x449/0x710
[ 8256.723057][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8256.723057][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.723057][T12167]      ___sys_sendmsg+0xee/0x170
[ 8256.723057][T12167]      __sys_sendmsg+0xcd/0x170
[ 8256.723057][T12167]      do_syscall_64+0xc6/0x1e0
[ 8256.723057][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.723057][T12167] 
[ 8256.725868][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8256.725868][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8256.725868][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8256.725868][T12167]      ipv6_find_idev+0x102/0x170
[ 8256.725868][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8256.725868][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.725868][T12167]      netlink_rcv_skb+0x130/0x360
[ 8256.725868][T12167]      netlink_unicast+0x449/0x710
[ 8256.725868][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8256.725868][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.725868][T12167]      ___sys_sendmsg+0xee/0x170
[ 8256.725868][T12167]      __sys_sendmsg+0xcd/0x170
[ 8256.725868][T12167]      do_syscall_64+0xc6/0x1e0
[ 8256.725868][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.725868][T12167] 
[ 8266.966741][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8266.967372][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8266.967372][T12167]      netdev_get_by_index+0x5e/0x80
[ 8266.967372][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8266.967372][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8266.967372][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8266.967372][T12167]      ipv6_add_addr+0x411/0x2000
[ 8266.967372][T12167]      inet6_addr_add+0x30e/0xa40
[ 8266.967372][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8266.967372][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.967372][T12167]      netlink_rcv_skb+0x130/0x360
[ 8266.967372][T12167]      netlink_unicast+0x449/0x710
[ 8266.967372][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8266.967372][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.967372][T12167]      ___sys_sendmsg+0xee/0x170
[ 8266.967372][T12167]      __sys_sendmsg+0xcd/0x170
[ 8266.967372][T12167]      do_syscall_64+0xc6/0x1e0
[ 8266.967372][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.967372][T12167] 
[ 8266.970996][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8266.970996][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8266.970996][T12167]      ipv6_find_idev+0x102/0x170
[ 8266.970996][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8266.970996][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.970996][T12167]      netlink_rcv_skb+0x130/0x360
[ 8266.970996][T12167]      netlink_unicast+0x449/0x710
[ 8266.970996][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8266.970996][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.970996][T12167]      ___sys_sendmsg+0xee/0x170
[ 8266.970996][T12167]      __sys_sendmsg+0xcd/0x170
[ 8266.970996][T12167]      do_syscall_64+0xc6/0x1e0
[ 8266.970996][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.970996][T12167] 
[ 8266.974708][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8266.974708][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8266.974708][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8266.974708][T12167]      ipv6_find_idev+0x102/0x170
[ 8266.974708][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8266.974708][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.974708][T12167]      netlink_rcv_skb+0x130/0x360
[ 8266.974708][T12167]      netlink_unicast+0x449/0x710
[ 8266.974708][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8266.974708][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.974708][T12167]      ___sys_sendmsg+0xee/0x170
[ 8266.974708][T12167]      __sys_sendmsg+0xcd/0x170
[ 8266.974708][T12167]      do_syscall_64+0xc6/0x1e0
[ 8266.974708][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.974708][T12167] 
[ 8277.094794][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8277.095414][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8277.095414][T12167]      netdev_get_by_index+0x5e/0x80
[ 8277.095414][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8277.095414][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8277.095414][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8277.095414][T12167]      ipv6_add_addr+0x411/0x2000
[ 8277.095414][T12167]      inet6_addr_add+0x30e/0xa40
[ 8277.095414][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8277.095414][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8277.095414][T12167]      netlink_rcv_skb+0x130/0x360
[ 8277.095414][T12167]      netlink_unicast+0x449/0x710
[ 8277.095414][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8277.095414][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8277.095414][T12167]      ___sys_sendmsg+0xee/0x170
[ 8277.095414][T12167]      __sys_sendmsg+0xcd/0x170
[ 8277.095414][T12167]      do_syscall_64+0xc6/0x1e0
[ 8277.095414][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8277.095414][T12167] 
[ 8277.099030][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8277.099030][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8277.099030][T12167]      ipv6_find_idev+0x102/0x170
[ 8277.099030][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8277.099030][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8277.099030][T12167]      netlink_rcv_skb+0x130/0x360
[ 8277.099030][T12167]      netlink_unicast+0x449/0x710
[ 8277.099030][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8277.099030][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8277.099030][T12167]      ___sys_sendmsg+0xee/0x170
[ 8277.099030][T12167]      __sys_sendmsg+0xcd/0x170
[ 8277.099030][T12167]      do_syscall_64+0xc6/0x1e0
[ 8277.099030][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8277.099030][T12167] 
[ 8277.101780][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8277.101780][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8277.101780][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8277.101780][T12167]      ipv6_find_idev+0x102/0x170
[ 8277.101780][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8277.101780][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8277.101780][T12167]      netlink_rcv_skb+0x130/0x360
[ 8277.101780][T12167]      netlink_unicast+0x449/0x710
[ 8277.101780][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8277.101780][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8277.101780][T12167]      ___sys_sendmsg+0xee/0x170
[ 8277.101780][T12167]      __sys_sendmsg+0xcd/0x170
[ 8277.101780][T12167]      do_syscall_64+0xc6/0x1e0
[ 8277.101780][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8277.101780][T12167] 
[ 8287.310745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8287.311417][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8287.311417][T12167]      netdev_get_by_index+0x5e/0x80
[ 8287.311417][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8287.311417][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8287.311417][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8287.311417][T12167]      ipv6_add_addr+0x411/0x2000
[ 8287.311417][T12167]      inet6_addr_add+0x30e/0xa40
[ 8287.311417][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8287.311417][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.311417][T12167]      netlink_rcv_skb+0x130/0x360
[ 8287.311417][T12167]      netlink_unicast+0x449/0x710
[ 8287.311417][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8287.311417][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.311417][T12167]      ___sys_sendmsg+0xee/0x170
[ 8287.311417][T12167]      __sys_sendmsg+0xcd/0x170
[ 8287.311417][T12167]      do_syscall_64+0xc6/0x1e0
[ 8287.311417][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.311417][T12167] 
[ 8287.315010][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8287.315010][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8287.315010][T12167]      ipv6_find_idev+0x102/0x170
[ 8287.315010][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8287.315010][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.315010][T12167]      netlink_rcv_skb+0x130/0x360
[ 8287.315010][T12167]      netlink_unicast+0x449/0x710
[ 8287.315010][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8287.315010][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.315010][T12167]      ___sys_sendmsg+0xee/0x170
[ 8287.315010][T12167]      __sys_sendmsg+0xcd/0x170
[ 8287.315010][T12167]      do_syscall_64+0xc6/0x1e0
[ 8287.315010][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.315010][T12167] 
[ 8287.317767][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8287.317767][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8287.317767][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8287.317767][T12167]      ipv6_find_idev+0x102/0x170
[ 8287.317767][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8287.317767][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.317767][T12167]      netlink_rcv_skb+0x130/0x360
[ 8287.317767][T12167]      netlink_unicast+0x449/0x710
[ 8287.317767][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8287.317767][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.317767][T12167]      ___sys_sendmsg+0xee/0x170
[ 8287.317767][T12167]      __sys_sendmsg+0xcd/0x170
[ 8287.317767][T12167]      do_syscall_64+0xc6/0x1e0
[ 8287.317767][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.317767][T12167] 
[ 8297.446745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8297.447397][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8297.447397][T12167]      netdev_get_by_index+0x5e/0x80
[ 8297.447397][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8297.447397][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8297.447397][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8297.447397][T12167]      ipv6_add_addr+0x411/0x2000
[ 8297.447397][T12167]      inet6_addr_add+0x30e/0xa40
[ 8297.447397][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8297.447397][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.447397][T12167]      netlink_rcv_skb+0x130/0x360
[ 8297.447397][T12167]      netlink_unicast+0x449/0x710
[ 8297.447397][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8297.447397][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.447397][T12167]      ___sys_sendmsg+0xee/0x170
[ 8297.447397][T12167]      __sys_sendmsg+0xcd/0x170
[ 8297.447397][T12167]      do_syscall_64+0xc6/0x1e0
[ 8297.447397][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.447397][T12167] 
[ 8297.450970][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8297.450970][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8297.450970][T12167]      ipv6_find_idev+0x102/0x170
[ 8297.450970][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8297.450970][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.450970][T12167]      netlink_rcv_skb+0x130/0x360
[ 8297.450970][T12167]      netlink_unicast+0x449/0x710
[ 8297.450970][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8297.450970][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.450970][T12167]      ___sys_sendmsg+0xee/0x170
[ 8297.450970][T12167]      __sys_sendmsg+0xcd/0x170
[ 8297.450970][T12167]      do_syscall_64+0xc6/0x1e0
[ 8297.450970][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.450970][T12167] 
[ 8297.453719][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8297.453719][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8297.453719][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8297.453719][T12167]      ipv6_find_idev+0x102/0x170
[ 8297.453719][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8297.453719][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.453719][T12167]      netlink_rcv_skb+0x130/0x360
[ 8297.453719][T12167]      netlink_unicast+0x449/0x710
[ 8297.453719][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8297.453719][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.453719][T12167]      ___sys_sendmsg+0xee/0x170
[ 8297.453719][T12167]      __sys_sendmsg+0xcd/0x170
[ 8297.453719][T12167]      do_syscall_64+0xc6/0x1e0
[ 8297.453719][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.453719][T12167] 
[ 8307.694743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8307.695388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8307.695388][T12167]      netdev_get_by_index+0x5e/0x80
[ 8307.695388][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8307.695388][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8307.695388][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8307.695388][T12167]      ipv6_add_addr+0x411/0x2000
[ 8307.695388][T12167]      inet6_addr_add+0x30e/0xa40
[ 8307.695388][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8307.695388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.695388][T12167]      netlink_rcv_skb+0x130/0x360
[ 8307.695388][T12167]      netlink_unicast+0x449/0x710
[ 8307.695388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8307.695388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.695388][T12167]      ___sys_sendmsg+0xee/0x170
[ 8307.695388][T12167]      __sys_sendmsg+0xcd/0x170
[ 8307.695388][T12167]      do_syscall_64+0xc6/0x1e0
[ 8307.695388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.695388][T12167] 
[ 8307.698966][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8307.698966][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8307.698966][T12167]      ipv6_find_idev+0x102/0x170
[ 8307.698966][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8307.698966][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.698966][T12167]      netlink_rcv_skb+0x130/0x360
[ 8307.698966][T12167]      netlink_unicast+0x449/0x710
[ 8307.698966][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8307.698966][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.698966][T12167]      ___sys_sendmsg+0xee/0x170
[ 8307.698966][T12167]      __sys_sendmsg+0xcd/0x170
[ 8307.698966][T12167]      do_syscall_64+0xc6/0x1e0
[ 8307.698966][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.698966][T12167] 
[ 8307.701713][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8307.701713][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8307.701713][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8307.701713][T12167]      ipv6_find_idev+0x102/0x170
[ 8307.701713][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8307.701713][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.701713][T12167]      netlink_rcv_skb+0x130/0x360
[ 8307.701713][T12167]      netlink_unicast+0x449/0x710
[ 8307.701713][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8307.701713][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.701713][T12167]      ___sys_sendmsg+0xee/0x170
[ 8307.701713][T12167]      __sys_sendmsg+0xcd/0x170
[ 8307.701713][T12167]      do_syscall_64+0xc6/0x1e0
[ 8307.701713][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.701713][T12167] 
[ 8317.942740][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8317.943372][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8317.943372][T12167]      netdev_get_by_index+0x5e/0x80
[ 8317.943372][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8317.943372][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8317.943372][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8317.943372][T12167]      ipv6_add_addr+0x411/0x2000
[ 8317.943372][T12167]      inet6_addr_add+0x30e/0xa40
[ 8317.943372][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8317.943372][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.943372][T12167]      netlink_rcv_skb+0x130/0x360
[ 8317.943372][T12167]      netlink_unicast+0x449/0x710
[ 8317.943372][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8317.943372][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.943372][T12167]      ___sys_sendmsg+0xee/0x170
[ 8317.943372][T12167]      __sys_sendmsg+0xcd/0x170
[ 8317.943372][T12167]      do_syscall_64+0xc6/0x1e0
[ 8317.943372][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.943372][T12167] 
[ 8317.947061][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8317.947061][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8317.947061][T12167]      ipv6_find_idev+0x102/0x170
[ 8317.947061][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8317.947061][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.947061][T12167]      netlink_rcv_skb+0x130/0x360
[ 8317.947061][T12167]      netlink_unicast+0x449/0x710
[ 8317.947061][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8317.947061][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.947061][T12167]      ___sys_sendmsg+0xee/0x170
[ 8317.947061][T12167]      __sys_sendmsg+0xcd/0x170
[ 8317.947061][T12167]      do_syscall_64+0xc6/0x1e0
[ 8317.947061][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.947061][T12167] 
[ 8317.949832][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8317.949832][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8317.949832][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8317.949832][T12167]      ipv6_find_idev+0x102/0x170
[ 8317.949832][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8317.949832][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.949832][T12167]      netlink_rcv_skb+0x130/0x360
[ 8317.949832][T12167]      netlink_unicast+0x449/0x710
[ 8317.949832][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8317.949832][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.949832][T12167]      ___sys_sendmsg+0xee/0x170
[ 8317.949832][T12167]      __sys_sendmsg+0xcd/0x170
[ 8317.949832][T12167]      do_syscall_64+0xc6/0x1e0
[ 8317.949832][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.949832][T12167] 
[ 8328.190745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8328.191395][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8328.191395][T12167]      netdev_get_by_index+0x5e/0x80
[ 8328.191395][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8328.191395][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8328.191395][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8328.191395][T12167]      ipv6_add_addr+0x411/0x2000
[ 8328.191395][T12167]      inet6_addr_add+0x30e/0xa40
[ 8328.191395][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8328.191395][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.191395][T12167]      netlink_rcv_skb+0x130/0x360
[ 8328.191395][T12167]      netlink_unicast+0x449/0x710
[ 8328.191395][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8328.191395][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.191395][T12167]      ___sys_sendmsg+0xee/0x170
[ 8328.191395][T12167]      __sys_sendmsg+0xcd/0x170
[ 8328.191395][T12167]      do_syscall_64+0xc6/0x1e0
[ 8328.191395][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.191395][T12167] 
[ 8328.195053][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8328.195053][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8328.195053][T12167]      ipv6_find_idev+0x102/0x170
[ 8328.195053][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8328.195053][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.195053][T12167]      netlink_rcv_skb+0x130/0x360
[ 8328.195053][T12167]      netlink_unicast+0x449/0x710
[ 8328.195053][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8328.195053][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.195053][T12167]      ___sys_sendmsg+0xee/0x170
[ 8328.195053][T12167]      __sys_sendmsg+0xcd/0x170
[ 8328.195053][T12167]      do_syscall_64+0xc6/0x1e0
[ 8328.195053][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.195053][T12167] 
[ 8328.197867][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8328.197867][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8328.197867][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8328.197867][T12167]      ipv6_find_idev+0x102/0x170
[ 8328.197867][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8328.197867][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.197867][T12167]      netlink_rcv_skb+0x130/0x360
[ 8328.197867][T12167]      netlink_unicast+0x449/0x710
[ 8328.197867][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8328.197867][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.197867][T12167]      ___sys_sendmsg+0xee/0x170
[ 8328.197867][T12167]      __sys_sendmsg+0xcd/0x170
[ 8328.197867][T12167]      do_syscall_64+0xc6/0x1e0
[ 8328.197867][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.197867][T12167] 
[ 8338.438737][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8338.439386][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8338.439386][T12167]      netdev_get_by_index+0x5e/0x80
[ 8338.439386][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8338.439386][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8338.439386][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8338.439386][T12167]      ipv6_add_addr+0x411/0x2000
[ 8338.439386][T12167]      inet6_addr_add+0x30e/0xa40
[ 8338.439386][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8338.439386][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.439386][T12167]      netlink_rcv_skb+0x130/0x360
[ 8338.439386][T12167]      netlink_unicast+0x449/0x710
[ 8338.439386][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8338.439386][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.439386][T12167]      ___sys_sendmsg+0xee/0x170
[ 8338.439386][T12167]      __sys_sendmsg+0xcd/0x170
[ 8338.439386][T12167]      do_syscall_64+0xc6/0x1e0
[ 8338.439386][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.439386][T12167] 
[ 8338.443046][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8338.443046][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8338.443046][T12167]      ipv6_find_idev+0x102/0x170
[ 8338.443046][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8338.443046][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.443046][T12167]      netlink_rcv_skb+0x130/0x360
[ 8338.443046][T12167]      netlink_unicast+0x449/0x710
[ 8338.443046][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8338.443046][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.443046][T12167]      ___sys_sendmsg+0xee/0x170
[ 8338.443046][T12167]      __sys_sendmsg+0xcd/0x170
[ 8338.443046][T12167]      do_syscall_64+0xc6/0x1e0
[ 8338.443046][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.443046][T12167] 
[ 8338.445790][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8338.445790][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8338.445790][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8338.445790][T12167]      ipv6_find_idev+0x102/0x170
[ 8338.445790][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8338.445790][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.445790][T12167]      netlink_rcv_skb+0x130/0x360
[ 8338.445790][T12167]      netlink_unicast+0x449/0x710
[ 8338.445790][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8338.445790][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.445790][T12167]      ___sys_sendmsg+0xee/0x170
[ 8338.445790][T12167]      __sys_sendmsg+0xcd/0x170
[ 8338.445790][T12167]      do_syscall_64+0xc6/0x1e0
[ 8338.445790][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.445790][T12167] 
[ 8348.686740][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8348.687380][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8348.687380][T12167]      netdev_get_by_index+0x5e/0x80
[ 8348.687380][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8348.687380][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8348.687380][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8348.687380][T12167]      ipv6_add_addr+0x411/0x2000
[ 8348.687380][T12167]      inet6_addr_add+0x30e/0xa40
[ 8348.687380][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8348.687380][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.687380][T12167]      netlink_rcv_skb+0x130/0x360
[ 8348.687380][T12167]      netlink_unicast+0x449/0x710
[ 8348.687380][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8348.687380][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.687380][T12167]      ___sys_sendmsg+0xee/0x170
[ 8348.687380][T12167]      __sys_sendmsg+0xcd/0x170
[ 8348.687380][T12167]      do_syscall_64+0xc6/0x1e0
[ 8348.687380][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.687380][T12167] 
[ 8348.690968][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8348.690968][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8348.690968][T12167]      ipv6_find_idev+0x102/0x170
[ 8348.690968][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8348.690968][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.690968][T12167]      netlink_rcv_skb+0x130/0x360
[ 8348.690968][T12167]      netlink_unicast+0x449/0x710
[ 8348.690968][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8348.690968][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.690968][T12167]      ___sys_sendmsg+0xee/0x170
[ 8348.690968][T12167]      __sys_sendmsg+0xcd/0x170
[ 8348.690968][T12167]      do_syscall_64+0xc6/0x1e0
[ 8348.690968][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.690968][T12167] 
[ 8348.693710][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8348.693710][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8348.693710][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8348.693710][T12167]      ipv6_find_idev+0x102/0x170
[ 8348.693710][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8348.693710][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.693710][T12167]      netlink_rcv_skb+0x130/0x360
[ 8348.693710][T12167]      netlink_unicast+0x449/0x710
[ 8348.693710][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8348.693710][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.693710][T12167]      ___sys_sendmsg+0xee/0x170
[ 8348.693710][T12167]      __sys_sendmsg+0xcd/0x170
[ 8348.693710][T12167]      do_syscall_64+0xc6/0x1e0
[ 8348.693710][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.693710][T12167] 
[ 8358.934736][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8358.935379][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8358.935379][T12167]      netdev_get_by_index+0x5e/0x80
[ 8358.935379][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8358.935379][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8358.935379][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8358.935379][T12167]      ipv6_add_addr+0x411/0x2000
[ 8358.935379][T12167]      inet6_addr_add+0x30e/0xa40
[ 8358.935379][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8358.935379][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.935379][T12167]      netlink_rcv_skb+0x130/0x360
[ 8358.935379][T12167]      netlink_unicast+0x449/0x710
[ 8358.935379][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8358.935379][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.935379][T12167]      ___sys_sendmsg+0xee/0x170
[ 8358.935379][T12167]      __sys_sendmsg+0xcd/0x170
[ 8358.935379][T12167]      do_syscall_64+0xc6/0x1e0
[ 8358.935379][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.935379][T12167] 
[ 8358.938981][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8358.938981][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8358.938981][T12167]      ipv6_find_idev+0x102/0x170
[ 8358.938981][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8358.938981][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.938981][T12167]      netlink_rcv_skb+0x130/0x360
[ 8358.938981][T12167]      netlink_unicast+0x449/0x710
[ 8358.938981][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8358.938981][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.938981][T12167]      ___sys_sendmsg+0xee/0x170
[ 8358.938981][T12167]      __sys_sendmsg+0xcd/0x170
[ 8358.938981][T12167]      do_syscall_64+0xc6/0x1e0
[ 8358.938981][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.938981][T12167] 
[ 8358.941725][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8358.941725][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8358.941725][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8358.941725][T12167]      ipv6_find_idev+0x102/0x170
[ 8358.941725][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8358.941725][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.941725][T12167]      netlink_rcv_skb+0x130/0x360
[ 8358.941725][T12167]      netlink_unicast+0x449/0x710
[ 8358.941725][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8358.941725][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.941725][T12167]      ___sys_sendmsg+0xee/0x170
[ 8358.941725][T12167]      __sys_sendmsg+0xcd/0x170
[ 8358.941725][T12167]      do_syscall_64+0xc6/0x1e0
[ 8358.941725][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.941725][T12167] 
[ 8369.182733][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8369.183435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8369.183435][T12167]      netdev_get_by_index+0x5e/0x80
[ 8369.183435][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8369.183435][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8369.183435][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8369.183435][T12167]      ipv6_add_addr+0x411/0x2000
[ 8369.183435][T12167]      inet6_addr_add+0x30e/0xa40
[ 8369.183435][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8369.183435][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8369.183435][T12167]      netlink_rcv_skb+0x130/0x360
[ 8369.183435][T12167]      netlink_unicast+0x449/0x710
[ 8369.183435][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8369.183435][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8369.183435][T12167]      ___sys_sendmsg+0xee/0x170
[ 8369.183435][T12167]      __sys_sendmsg+0xcd/0x170
[ 8369.183435][T12167]      do_syscall_64+0xc6/0x1e0
[ 8369.183435][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8369.183435][T12167] 
[ 8369.187033][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8369.187033][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8369.187033][T12167]      ipv6_find_idev+0x102/0x170
[ 8369.187033][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8369.187033][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8369.187033][T12167]      netlink_rcv_skb+0x130/0x360
[ 8369.187033][T12167]      netlink_unicast+0x449/0x710
[ 8369.187033][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8369.187033][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8369.187033][T12167]      ___sys_sendmsg+0xee/0x170
[ 8369.187033][T12167]      __sys_sendmsg+0xcd/0x170
[ 8369.187033][T12167]      do_syscall_64+0xc6/0x1e0
[ 8369.187033][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8369.187033][T12167] 
[ 8369.189805][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8369.189805][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8369.189805][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8369.189805][T12167]      ipv6_find_idev+0x102/0x170
[ 8369.189805][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8369.189805][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8369.189805][T12167]      netlink_rcv_skb+0x130/0x360
[ 8369.189805][T12167]      netlink_unicast+0x449/0x710
[ 8369.189805][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8369.189805][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8369.189805][T12167]      ___sys_sendmsg+0xee/0x170
[ 8369.189805][T12167]      __sys_sendmsg+0xcd/0x170
[ 8369.189805][T12167]      do_syscall_64+0xc6/0x1e0
[ 8369.189805][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8369.189805][T12167] 
[ 8379.430737][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8379.431440][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8379.431440][T12167]      netdev_get_by_index+0x5e/0x80
[ 8379.431440][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8379.431440][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8379.431440][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8379.431440][T12167]      ipv6_add_addr+0x411/0x2000
[ 8379.431440][T12167]      inet6_addr_add+0x30e/0xa40
[ 8379.431440][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8379.431440][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.431440][T12167]      netlink_rcv_skb+0x130/0x360
[ 8379.431440][T12167]      netlink_unicast+0x449/0x710
[ 8379.431440][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8379.431440][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.431440][T12167]      ___sys_sendmsg+0xee/0x170
[ 8379.431440][T12167]      __sys_sendmsg+0xcd/0x170
[ 8379.431440][T12167]      do_syscall_64+0xc6/0x1e0
[ 8379.431440][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.431440][T12167] 
[ 8379.435012][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8379.435012][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8379.435012][T12167]      ipv6_find_idev+0x102/0x170
[ 8379.435012][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8379.435012][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.435012][T12167]      netlink_rcv_skb+0x130/0x360
[ 8379.435012][T12167]      netlink_unicast+0x449/0x710
[ 8379.435012][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8379.435012][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.435012][T12167]      ___sys_sendmsg+0xee/0x170
[ 8379.435012][T12167]      __sys_sendmsg+0xcd/0x170
[ 8379.435012][T12167]      do_syscall_64+0xc6/0x1e0
[ 8379.435012][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.435012][T12167] 
[ 8379.437778][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8379.437778][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8379.437778][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8379.437778][T12167]      ipv6_find_idev+0x102/0x170
[ 8379.437778][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8379.437778][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.437778][T12167]      netlink_rcv_skb+0x130/0x360
[ 8379.437778][T12167]      netlink_unicast+0x449/0x710
[ 8379.437778][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8379.437778][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.437778][T12167]      ___sys_sendmsg+0xee/0x170
[ 8379.437778][T12167]      __sys_sendmsg+0xcd/0x170
[ 8379.437778][T12167]      do_syscall_64+0xc6/0x1e0
[ 8379.437778][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.437778][T12167] 
[ 8389.678744][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8389.679422][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8389.679422][T12167]      netdev_get_by_index+0x5e/0x80
[ 8389.679422][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8389.679422][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8389.679422][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8389.679422][T12167]      ipv6_add_addr+0x411/0x2000
[ 8389.679422][T12167]      inet6_addr_add+0x30e/0xa40
[ 8389.679422][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8389.679422][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.679422][T12167]      netlink_rcv_skb+0x130/0x360
[ 8389.679422][T12167]      netlink_unicast+0x449/0x710
[ 8389.679422][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8389.679422][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.679422][T12167]      ___sys_sendmsg+0xee/0x170
[ 8389.679422][T12167]      __sys_sendmsg+0xcd/0x170
[ 8389.679422][T12167]      do_syscall_64+0xc6/0x1e0
[ 8389.679422][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.679422][T12167] 
[ 8389.683002][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8389.683002][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8389.683002][T12167]      ipv6_find_idev+0x102/0x170
[ 8389.683002][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8389.683002][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.683002][T12167]      netlink_rcv_skb+0x130/0x360
[ 8389.683002][T12167]      netlink_unicast+0x449/0x710
[ 8389.683002][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8389.683002][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.683002][T12167]      ___sys_sendmsg+0xee/0x170
[ 8389.683002][T12167]      __sys_sendmsg+0xcd/0x170
[ 8389.683002][T12167]      do_syscall_64+0xc6/0x1e0
[ 8389.683002][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.683002][T12167] 
[ 8389.685758][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8389.685758][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8389.685758][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8389.685758][T12167]      ipv6_find_idev+0x102/0x170
[ 8389.685758][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8389.685758][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.685758][T12167]      netlink_rcv_skb+0x130/0x360
[ 8389.685758][T12167]      netlink_unicast+0x449/0x710
[ 8389.685758][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8389.685758][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.685758][T12167]      ___sys_sendmsg+0xee/0x170
[ 8389.685758][T12167]      __sys_sendmsg+0xcd/0x170
[ 8389.685758][T12167]      do_syscall_64+0xc6/0x1e0
[ 8389.685758][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.685758][T12167] 
[ 8399.926740][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8399.927382][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8399.927382][T12167]      netdev_get_by_index+0x5e/0x80
[ 8399.927382][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8399.927382][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8399.927382][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8399.927382][T12167]      ipv6_add_addr+0x411/0x2000
[ 8399.927382][T12167]      inet6_addr_add+0x30e/0xa40
[ 8399.927382][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8399.927382][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.927382][T12167]      netlink_rcv_skb+0x130/0x360
[ 8399.927382][T12167]      netlink_unicast+0x449/0x710
[ 8399.927382][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8399.927382][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.927382][T12167]      ___sys_sendmsg+0xee/0x170
[ 8399.927382][T12167]      __sys_sendmsg+0xcd/0x170
[ 8399.927382][T12167]      do_syscall_64+0xc6/0x1e0
[ 8399.927382][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.927382][T12167] 
[ 8399.930959][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8399.930959][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8399.930959][T12167]      ipv6_find_idev+0x102/0x170
[ 8399.930959][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8399.930959][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.930959][T12167]      netlink_rcv_skb+0x130/0x360
[ 8399.930959][T12167]      netlink_unicast+0x449/0x710
[ 8399.930959][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8399.930959][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.930959][T12167]      ___sys_sendmsg+0xee/0x170
[ 8399.930959][T12167]      __sys_sendmsg+0xcd/0x170
[ 8399.930959][T12167]      do_syscall_64+0xc6/0x1e0
[ 8399.930959][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.930959][T12167] 
[ 8399.933705][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8399.933705][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8399.933705][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8399.933705][T12167]      ipv6_find_idev+0x102/0x170
[ 8399.933705][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8399.933705][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.933705][T12167]      netlink_rcv_skb+0x130/0x360
[ 8399.933705][T12167]      netlink_unicast+0x449/0x710
[ 8399.933705][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8399.933705][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.933705][T12167]      ___sys_sendmsg+0xee/0x170
[ 8399.933705][T12167]      __sys_sendmsg+0xcd/0x170
[ 8399.933705][T12167]      do_syscall_64+0xc6/0x1e0
[ 8399.933705][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.933705][T12167] 
[ 8410.174743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8410.175395][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8410.175395][T12167]      netdev_get_by_index+0x5e/0x80
[ 8410.175395][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8410.175395][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8410.175395][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8410.175395][T12167]      ipv6_add_addr+0x411/0x2000
[ 8410.175395][T12167]      inet6_addr_add+0x30e/0xa40
[ 8410.175395][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8410.175395][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8410.175395][T12167]      netlink_rcv_skb+0x130/0x360
[ 8410.175395][T12167]      netlink_unicast+0x449/0x710
[ 8410.175395][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8410.175395][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8410.175395][T12167]      ___sys_sendmsg+0xee/0x170
[ 8410.175395][T12167]      __sys_sendmsg+0xcd/0x170
[ 8410.175395][T12167]      do_syscall_64+0xc6/0x1e0
[ 8410.175395][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8410.175395][T12167] 
[ 8410.179062][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8410.179062][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8410.179062][T12167]      ipv6_find_idev+0x102/0x170
[ 8410.179062][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8410.179062][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8410.179062][T12167]      netlink_rcv_skb+0x130/0x360
[ 8410.179062][T12167]      netlink_unicast+0x449/0x710
[ 8410.179062][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8410.179062][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8410.179062][T12167]      ___sys_sendmsg+0xee/0x170
[ 8410.179062][T12167]      __sys_sendmsg+0xcd/0x170
[ 8410.179062][T12167]      do_syscall_64+0xc6/0x1e0
[ 8410.179062][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8410.179062][T12167] 
[ 8410.181909][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8410.181909][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8410.181909][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8410.181909][T12167]      ipv6_find_idev+0x102/0x170
[ 8410.181909][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8410.181909][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8410.181909][T12167]      netlink_rcv_skb+0x130/0x360
[ 8410.181909][T12167]      netlink_unicast+0x449/0x710
[ 8410.181909][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8410.181909][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8410.181909][T12167]      ___sys_sendmsg+0xee/0x170
[ 8410.181909][T12167]      __sys_sendmsg+0xcd/0x170
[ 8410.181909][T12167]      do_syscall_64+0xc6/0x1e0
[ 8410.181909][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8410.181909][T12167] 
[ 8420.422733][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8420.423371][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8420.423371][T12167]      netdev_get_by_index+0x5e/0x80
[ 8420.423371][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8420.423371][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8420.423371][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8420.423371][T12167]      ipv6_add_addr+0x411/0x2000
[ 8420.423371][T12167]      inet6_addr_add+0x30e/0xa40
[ 8420.423371][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8420.423371][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.423371][T12167]      netlink_rcv_skb+0x130/0x360
[ 8420.423371][T12167]      netlink_unicast+0x449/0x710
[ 8420.423371][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8420.423371][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.423371][T12167]      ___sys_sendmsg+0xee/0x170
[ 8420.423371][T12167]      __sys_sendmsg+0xcd/0x170
[ 8420.423371][T12167]      do_syscall_64+0xc6/0x1e0
[ 8420.423371][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.423371][T12167] 
[ 8420.426969][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8420.426969][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8420.426969][T12167]      ipv6_find_idev+0x102/0x170
[ 8420.426969][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8420.426969][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.426969][T12167]      netlink_rcv_skb+0x130/0x360
[ 8420.426969][T12167]      netlink_unicast+0x449/0x710
[ 8420.426969][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8420.426969][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.426969][T12167]      ___sys_sendmsg+0xee/0x170
[ 8420.426969][T12167]      __sys_sendmsg+0xcd/0x170
[ 8420.426969][T12167]      do_syscall_64+0xc6/0x1e0
[ 8420.426969][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.426969][T12167] 
[ 8420.429713][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8420.429713][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8420.429713][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8420.429713][T12167]      ipv6_find_idev+0x102/0x170
[ 8420.429713][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8420.429713][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.429713][T12167]      netlink_rcv_skb+0x130/0x360
[ 8420.429713][T12167]      netlink_unicast+0x449/0x710
[ 8420.429713][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8420.429713][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.429713][T12167]      ___sys_sendmsg+0xee/0x170
[ 8420.429713][T12167]      __sys_sendmsg+0xcd/0x170
[ 8420.429713][T12167]      do_syscall_64+0xc6/0x1e0
[ 8420.429713][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.429713][T12167] 
[ 8430.670808][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8430.671440][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8430.671440][T12167]      netdev_get_by_index+0x5e/0x80
[ 8430.671440][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8430.671440][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8430.671440][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8430.671440][T12167]      ipv6_add_addr+0x411/0x2000
[ 8430.671440][T12167]      inet6_addr_add+0x30e/0xa40
[ 8430.671440][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8430.671440][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.671440][T12167]      netlink_rcv_skb+0x130/0x360
[ 8430.671440][T12167]      netlink_unicast+0x449/0x710
[ 8430.671440][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8430.671440][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.671440][T12167]      ___sys_sendmsg+0xee/0x170
[ 8430.671440][T12167]      __sys_sendmsg+0xcd/0x170
[ 8430.671440][T12167]      do_syscall_64+0xc6/0x1e0
[ 8430.671440][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.671440][T12167] 
[ 8430.675019][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8430.675019][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8430.675019][T12167]      ipv6_find_idev+0x102/0x170
[ 8430.675019][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8430.675019][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.675019][T12167]      netlink_rcv_skb+0x130/0x360
[ 8430.675019][T12167]      netlink_unicast+0x449/0x710
[ 8430.675019][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8430.675019][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.675019][T12167]      ___sys_sendmsg+0xee/0x170
[ 8430.675019][T12167]      __sys_sendmsg+0xcd/0x170
[ 8430.675019][T12167]      do_syscall_64+0xc6/0x1e0
[ 8430.675019][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.675019][T12167] 
[ 8430.677772][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8430.677772][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8430.677772][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8430.677772][T12167]      ipv6_find_idev+0x102/0x170
[ 8430.677772][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8430.677772][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.677772][T12167]      netlink_rcv_skb+0x130/0x360
[ 8430.677772][T12167]      netlink_unicast+0x449/0x710
[ 8430.677772][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8430.677772][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.677772][T12167]      ___sys_sendmsg+0xee/0x170
[ 8430.677772][T12167]      __sys_sendmsg+0xcd/0x170
[ 8430.677772][T12167]      do_syscall_64+0xc6/0x1e0
[ 8430.677772][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.677772][T12167] 
[ 8440.918734][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8440.919379][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8440.919379][T12167]      netdev_get_by_index+0x5e/0x80
[ 8440.919379][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8440.919379][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8440.919379][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8440.919379][T12167]      ipv6_add_addr+0x411/0x2000
[ 8440.919379][T12167]      inet6_addr_add+0x30e/0xa40
[ 8440.919379][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8440.919379][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.919379][T12167]      netlink_rcv_skb+0x130/0x360
[ 8440.919379][T12167]      netlink_unicast+0x449/0x710
[ 8440.919379][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8440.919379][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.919379][T12167]      ___sys_sendmsg+0xee/0x170
[ 8440.919379][T12167]      __sys_sendmsg+0xcd/0x170
[ 8440.919379][T12167]      do_syscall_64+0xc6/0x1e0
[ 8440.919379][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.919379][T12167] 
[ 8440.923061][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8440.923061][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8440.923061][T12167]      ipv6_find_idev+0x102/0x170
[ 8440.923061][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8440.923061][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.923061][T12167]      netlink_rcv_skb+0x130/0x360
[ 8440.923061][T12167]      netlink_unicast+0x449/0x710
[ 8440.923061][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8440.923061][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.923061][T12167]      ___sys_sendmsg+0xee/0x170
[ 8440.923061][T12167]      __sys_sendmsg+0xcd/0x170
[ 8440.923061][T12167]      do_syscall_64+0xc6/0x1e0
[ 8440.923061][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.923061][T12167] 
[ 8440.925887][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8440.925887][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8440.925887][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8440.925887][T12167]      ipv6_find_idev+0x102/0x170
[ 8440.925887][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8440.925887][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.925887][T12167]      netlink_rcv_skb+0x130/0x360
[ 8440.925887][T12167]      netlink_unicast+0x449/0x710
[ 8440.925887][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8440.925887][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.925887][T12167]      ___sys_sendmsg+0xee/0x170
[ 8440.925887][T12167]      __sys_sendmsg+0xcd/0x170
[ 8440.925887][T12167]      do_syscall_64+0xc6/0x1e0
[ 8440.925887][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.925887][T12167] 
[ 8451.118745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8451.120388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8451.120388][T12167]      netdev_get_by_index+0x5e/0x80
[ 8451.120388][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8451.120388][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8451.120388][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8451.120388][T12167]      ipv6_add_addr+0x411/0x2000
[ 8451.120388][T12167]      inet6_addr_add+0x30e/0xa40
[ 8451.120388][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8451.120388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.120388][T12167]      netlink_rcv_skb+0x130/0x360
[ 8451.120388][T12167]      netlink_unicast+0x449/0x710
[ 8451.120388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8451.120388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.120388][T12167]      ___sys_sendmsg+0xee/0x170
[ 8451.120388][T12167]      __sys_sendmsg+0xcd/0x170
[ 8451.120388][T12167]      do_syscall_64+0xc6/0x1e0
[ 8451.120388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.120388][T12167] 
[ 8451.124014][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8451.124014][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8451.124014][T12167]      ipv6_find_idev+0x102/0x170
[ 8451.124014][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8451.124014][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.124014][T12167]      netlink_rcv_skb+0x130/0x360
[ 8451.124014][T12167]      netlink_unicast+0x449/0x710
[ 8451.124014][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8451.124014][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.124014][T12167]      ___sys_sendmsg+0xee/0x170
[ 8451.124014][T12167]      __sys_sendmsg+0xcd/0x170
[ 8451.124014][T12167]      do_syscall_64+0xc6/0x1e0
[ 8451.124014][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.124014][T12167] 
[ 8451.126818][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8451.126818][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8451.126818][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8451.126818][T12167]      ipv6_find_idev+0x102/0x170
[ 8451.126818][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8451.126818][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.126818][T12167]      netlink_rcv_skb+0x130/0x360
[ 8451.126818][T12167]      netlink_unicast+0x449/0x710
[ 8451.126818][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8451.126818][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.126818][T12167]      ___sys_sendmsg+0xee/0x170
[ 8451.126818][T12167]      __sys_sendmsg+0xcd/0x170
[ 8451.126818][T12167]      do_syscall_64+0xc6/0x1e0
[ 8451.126818][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.126818][T12167] 
[ 8461.182762][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8461.183401][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8461.183401][T12167]      netdev_get_by_index+0x5e/0x80
[ 8461.183401][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8461.183401][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8461.183401][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8461.183401][T12167]      ipv6_add_addr+0x411/0x2000
[ 8461.183401][T12167]      inet6_addr_add+0x30e/0xa40
[ 8461.183401][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8461.183401][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.183401][T12167]      netlink_rcv_skb+0x130/0x360
[ 8461.183401][T12167]      netlink_unicast+0x449/0x710
[ 8461.183401][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8461.183401][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.183401][T12167]      ___sys_sendmsg+0xee/0x170
[ 8461.183401][T12167]      __sys_sendmsg+0xcd/0x170
[ 8461.183401][T12167]      do_syscall_64+0xc6/0x1e0
[ 8461.183401][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.183401][T12167] 
[ 8461.187431][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8461.187431][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8461.187431][T12167]      ipv6_find_idev+0x102/0x170
[ 8461.187431][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8461.187431][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.187431][T12167]      netlink_rcv_skb+0x130/0x360
[ 8461.187431][T12167]      netlink_unicast+0x449/0x710
[ 8461.187431][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8461.187431][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.187431][T12167]      ___sys_sendmsg+0xee/0x170
[ 8461.187431][T12167]      __sys_sendmsg+0xcd/0x170
[ 8461.187431][T12167]      do_syscall_64+0xc6/0x1e0
[ 8461.187431][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.187431][T12167] 
[ 8461.190222][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8461.190222][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8461.190222][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8461.190222][T12167]      ipv6_find_idev+0x102/0x170
[ 8461.190222][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8461.190222][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.190222][T12167]      netlink_rcv_skb+0x130/0x360
[ 8461.190222][T12167]      netlink_unicast+0x449/0x710
[ 8461.190222][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8461.190222][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.190222][T12167]      ___sys_sendmsg+0xee/0x170
[ 8461.190222][T12167]      __sys_sendmsg+0xcd/0x170
[ 8461.190222][T12167]      do_syscall_64+0xc6/0x1e0
[ 8461.190222][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.190222][T12167] 
[ 8471.438802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8471.439286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8471.439286][T12167]      netdev_get_by_index+0x5e/0x80
[ 8471.439286][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8471.439286][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8471.439286][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8471.439286][T12167]      ipv6_add_addr+0x411/0x2000
[ 8471.439286][T12167]      inet6_addr_add+0x30e/0xa40
[ 8471.439286][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8471.439286][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.439286][T12167]      netlink_rcv_skb+0x130/0x360
[ 8471.439286][T12167]      netlink_unicast+0x449/0x710
[ 8471.439286][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8471.439286][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.439286][T12167]      ___sys_sendmsg+0xee/0x170
[ 8471.439286][T12167]      __sys_sendmsg+0xcd/0x170
[ 8471.439286][T12167]      do_syscall_64+0xc6/0x1e0
[ 8471.439286][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.439286][T12167] 
[ 8471.441629][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8471.441629][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8471.441629][T12167]      ipv6_find_idev+0x102/0x170
[ 8471.441629][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8471.441629][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.441629][T12167]      netlink_rcv_skb+0x130/0x360
[ 8471.441629][T12167]      netlink_unicast+0x449/0x710
[ 8471.441629][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8471.441629][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.441629][T12167]      ___sys_sendmsg+0xee/0x170
[ 8471.441629][T12167]      __sys_sendmsg+0xcd/0x170
[ 8471.441629][T12167]      do_syscall_64+0xc6/0x1e0
[ 8471.441629][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.441629][T12167] 
[ 8471.443377][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8471.443377][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8471.443377][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8471.443377][T12167]      ipv6_find_idev+0x102/0x170
[ 8471.443377][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8471.443377][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.443377][T12167]      netlink_rcv_skb+0x130/0x360
[ 8471.443377][T12167]      netlink_unicast+0x449/0x710
[ 8471.443377][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8471.443377][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.443377][T12167]      ___sys_sendmsg+0xee/0x170
[ 8471.443377][T12167]      __sys_sendmsg+0xcd/0x170
[ 8471.443377][T12167]      do_syscall_64+0xc6/0x1e0
[ 8471.443377][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.443377][T12167] 
[ 8481.478826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8481.479311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8481.479311][T12167]      netdev_get_by_index+0x5e/0x80
[ 8481.479311][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8481.479311][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8481.479311][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8481.479311][T12167]      ipv6_add_addr+0x411/0x2000
[ 8481.479311][T12167]      inet6_addr_add+0x30e/0xa40
[ 8481.479311][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8481.479311][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.479311][T12167]      netlink_rcv_skb+0x130/0x360
[ 8481.479311][T12167]      netlink_unicast+0x449/0x710
[ 8481.479311][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8481.479311][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.479311][T12167]      ___sys_sendmsg+0xee/0x170
[ 8481.479311][T12167]      __sys_sendmsg+0xcd/0x170
[ 8481.479311][T12167]      do_syscall_64+0xc6/0x1e0
[ 8481.479311][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.479311][T12167] 
[ 8481.481684][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8481.481684][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8481.481684][T12167]      ipv6_find_idev+0x102/0x170
[ 8481.481684][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8481.481684][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.481684][T12167]      netlink_rcv_skb+0x130/0x360
[ 8481.481684][T12167]      netlink_unicast+0x449/0x710
[ 8481.481684][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8481.481684][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.481684][T12167]      ___sys_sendmsg+0xee/0x170
[ 8481.481684][T12167]      __sys_sendmsg+0xcd/0x170
[ 8481.481684][T12167]      do_syscall_64+0xc6/0x1e0
[ 8481.481684][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.481684][T12167] 
[ 8481.483485][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8481.483485][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8481.483485][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8481.483485][T12167]      ipv6_find_idev+0x102/0x170
[ 8481.483485][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8481.483485][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.483485][T12167]      netlink_rcv_skb+0x130/0x360
[ 8481.483485][T12167]      netlink_unicast+0x449/0x710
[ 8481.483485][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8481.483485][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.483485][T12167]      ___sys_sendmsg+0xee/0x170
[ 8481.483485][T12167]      __sys_sendmsg+0xcd/0x170
[ 8481.483485][T12167]      do_syscall_64+0xc6/0x1e0
[ 8481.483485][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.483485][T12167] 
[ 8491.726810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8491.727300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8491.727300][T12167]      netdev_get_by_index+0x5e/0x80
[ 8491.727300][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8491.727300][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8491.727300][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8491.727300][T12167]      ipv6_add_addr+0x411/0x2000
[ 8491.727300][T12167]      inet6_addr_add+0x30e/0xa40
[ 8491.727300][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8491.727300][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.727300][T12167]      netlink_rcv_skb+0x130/0x360
[ 8491.727300][T12167]      netlink_unicast+0x449/0x710
[ 8491.727300][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8491.727300][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.727300][T12167]      ___sys_sendmsg+0xee/0x170
[ 8491.727300][T12167]      __sys_sendmsg+0xcd/0x170
[ 8491.727300][T12167]      do_syscall_64+0xc6/0x1e0
[ 8491.727300][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.727300][T12167] 
[ 8491.729645][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8491.729645][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8491.729645][T12167]      ipv6_find_idev+0x102/0x170
[ 8491.729645][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8491.729645][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.729645][T12167]      netlink_rcv_skb+0x130/0x360
[ 8491.729645][T12167]      netlink_unicast+0x449/0x710
[ 8491.729645][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8491.729645][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.729645][T12167]      ___sys_sendmsg+0xee/0x170
[ 8491.729645][T12167]      __sys_sendmsg+0xcd/0x170
[ 8491.729645][T12167]      do_syscall_64+0xc6/0x1e0
[ 8491.729645][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.729645][T12167] 
[ 8491.731452][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8491.731452][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8491.731452][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8491.731452][T12167]      ipv6_find_idev+0x102/0x170
[ 8491.731452][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8491.731452][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.731452][T12167]      netlink_rcv_skb+0x130/0x360
[ 8491.731452][T12167]      netlink_unicast+0x449/0x710
[ 8491.731452][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8491.731452][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.731452][T12167]      ___sys_sendmsg+0xee/0x170
[ 8491.731452][T12167]      __sys_sendmsg+0xcd/0x170
[ 8491.731452][T12167]      do_syscall_64+0xc6/0x1e0
[ 8491.731452][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.731452][T12167] 
[ 8501.870742][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8501.871256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8501.871256][T12167]      netdev_get_by_index+0x5e/0x80
[ 8501.871256][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8501.871256][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8501.871256][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8501.871256][T12167]      ipv6_add_addr+0x411/0x2000
[ 8501.871256][T12167]      inet6_addr_add+0x30e/0xa40
[ 8501.871256][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8501.871256][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.871256][T12167]      netlink_rcv_skb+0x130/0x360
[ 8501.871256][T12167]      netlink_unicast+0x449/0x710
[ 8501.871256][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8501.871256][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.871256][T12167]      ___sys_sendmsg+0xee/0x170
[ 8501.871256][T12167]      __sys_sendmsg+0xcd/0x170
[ 8501.871256][T12167]      do_syscall_64+0xc6/0x1e0
[ 8501.871256][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.871256][T12167] 
[ 8501.873613][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8501.873613][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8501.873613][T12167]      ipv6_find_idev+0x102/0x170
[ 8501.873613][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8501.873613][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.873613][T12167]      netlink_rcv_skb+0x130/0x360
[ 8501.873613][T12167]      netlink_unicast+0x449/0x710
[ 8501.873613][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8501.873613][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.873613][T12167]      ___sys_sendmsg+0xee/0x170
[ 8501.873613][T12167]      __sys_sendmsg+0xcd/0x170
[ 8501.873613][T12167]      do_syscall_64+0xc6/0x1e0
[ 8501.873613][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.873613][T12167] 
[ 8501.875393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8501.875393][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8501.875393][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8501.875393][T12167]      ipv6_find_idev+0x102/0x170
[ 8501.875393][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8501.875393][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.875393][T12167]      netlink_rcv_skb+0x130/0x360
[ 8501.875393][T12167]      netlink_unicast+0x449/0x710
[ 8501.875393][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8501.875393][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.875393][T12167]      ___sys_sendmsg+0xee/0x170
[ 8501.875393][T12167]      __sys_sendmsg+0xcd/0x170
[ 8501.875393][T12167]      do_syscall_64+0xc6/0x1e0
[ 8501.875393][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.875393][T12167] 
[ 8512.102891][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8512.103359][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8512.103359][T12167]      netdev_get_by_index+0x5e/0x80
[ 8512.103359][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8512.103359][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8512.103359][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8512.103359][T12167]      ipv6_add_addr+0x411/0x2000
[ 8512.103359][T12167]      inet6_addr_add+0x30e/0xa40
[ 8512.103359][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8512.103359][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.103359][T12167]      netlink_rcv_skb+0x130/0x360
[ 8512.103359][T12167]      netlink_unicast+0x449/0x710
[ 8512.103359][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8512.103359][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.103359][T12167]      ___sys_sendmsg+0xee/0x170
[ 8512.103359][T12167]      __sys_sendmsg+0xcd/0x170
[ 8512.103359][T12167]      do_syscall_64+0xc6/0x1e0
[ 8512.103359][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.103359][T12167] 
[ 8512.105706][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8512.105706][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8512.105706][T12167]      ipv6_find_idev+0x102/0x170
[ 8512.105706][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8512.105706][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.105706][T12167]      netlink_rcv_skb+0x130/0x360
[ 8512.105706][T12167]      netlink_unicast+0x449/0x710
[ 8512.105706][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8512.105706][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.105706][T12167]      ___sys_sendmsg+0xee/0x170
[ 8512.105706][T12167]      __sys_sendmsg+0xcd/0x170
[ 8512.105706][T12167]      do_syscall_64+0xc6/0x1e0
[ 8512.105706][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.105706][T12167] 
[ 8512.107457][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8512.107457][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8512.107457][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8512.107457][T12167]      ipv6_find_idev+0x102/0x170
[ 8512.107457][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8512.107457][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.107457][T12167]      netlink_rcv_skb+0x130/0x360
[ 8512.107457][T12167]      netlink_unicast+0x449/0x710
[ 8512.107457][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8512.107457][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.107457][T12167]      ___sys_sendmsg+0xee/0x170
[ 8512.107457][T12167]      __sys_sendmsg+0xcd/0x170
[ 8512.107457][T12167]      do_syscall_64+0xc6/0x1e0
[ 8512.107457][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.107457][T12167] 
[ 8522.350856][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8522.351357][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8522.351357][T12167]      netdev_get_by_index+0x5e/0x80
[ 8522.351357][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8522.351357][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8522.351357][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8522.351357][T12167]      ipv6_add_addr+0x411/0x2000
[ 8522.351357][T12167]      inet6_addr_add+0x30e/0xa40
[ 8522.351357][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8522.351357][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.351357][T12167]      netlink_rcv_skb+0x130/0x360
[ 8522.351357][T12167]      netlink_unicast+0x449/0x710
[ 8522.351357][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8522.351357][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.351357][T12167]      ___sys_sendmsg+0xee/0x170
[ 8522.351357][T12167]      __sys_sendmsg+0xcd/0x170
[ 8522.351357][T12167]      do_syscall_64+0xc6/0x1e0
[ 8522.351357][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.351357][T12167] 
[ 8522.353657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8522.353657][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8522.353657][T12167]      ipv6_find_idev+0x102/0x170
[ 8522.353657][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8522.353657][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.353657][T12167]      netlink_rcv_skb+0x130/0x360
[ 8522.353657][T12167]      netlink_unicast+0x449/0x710
[ 8522.353657][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8522.353657][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.353657][T12167]      ___sys_sendmsg+0xee/0x170
[ 8522.353657][T12167]      __sys_sendmsg+0xcd/0x170
[ 8522.353657][T12167]      do_syscall_64+0xc6/0x1e0
[ 8522.353657][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.353657][T12167] 
[ 8522.355388][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8522.355388][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8522.355388][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8522.355388][T12167]      ipv6_find_idev+0x102/0x170
[ 8522.355388][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8522.355388][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.355388][T12167]      netlink_rcv_skb+0x130/0x360
[ 8522.355388][T12167]      netlink_unicast+0x449/0x710
[ 8522.355388][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8522.355388][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.355388][T12167]      ___sys_sendmsg+0xee/0x170
[ 8522.355388][T12167]      __sys_sendmsg+0xcd/0x170
[ 8522.355388][T12167]      do_syscall_64+0xc6/0x1e0
[ 8522.355388][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.355388][T12167] 
[ 8532.534726][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8532.535178][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8532.535178][T12167]      netdev_get_by_index+0x5e/0x80
[ 8532.535178][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8532.535178][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8532.535178][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8532.535178][T12167]      ipv6_add_addr+0x411/0x2000
[ 8532.535178][T12167]      inet6_addr_add+0x30e/0xa40
[ 8532.535178][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8532.535178][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.535178][T12167]      netlink_rcv_skb+0x130/0x360
[ 8532.535178][T12167]      netlink_unicast+0x449/0x710
[ 8532.535178][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8532.535178][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.535178][T12167]      ___sys_sendmsg+0xee/0x170
[ 8532.535178][T12167]      __sys_sendmsg+0xcd/0x170
[ 8532.535178][T12167]      do_syscall_64+0xc6/0x1e0
[ 8532.535178][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.535178][T12167] 
[ 8532.537540][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8532.537540][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8532.537540][T12167]      ipv6_find_idev+0x102/0x170
[ 8532.537540][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8532.537540][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.537540][T12167]      netlink_rcv_skb+0x130/0x360
[ 8532.537540][T12167]      netlink_unicast+0x449/0x710
[ 8532.537540][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8532.537540][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.537540][T12167]      ___sys_sendmsg+0xee/0x170
[ 8532.537540][T12167]      __sys_sendmsg+0xcd/0x170
[ 8532.537540][T12167]      do_syscall_64+0xc6/0x1e0
[ 8532.537540][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.537540][T12167] 
[ 8532.539274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8532.539274][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8532.539274][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8532.539274][T12167]      ipv6_find_idev+0x102/0x170
[ 8532.539274][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8532.539274][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.539274][T12167]      netlink_rcv_skb+0x130/0x360
[ 8532.539274][T12167]      netlink_unicast+0x449/0x710
[ 8532.539274][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8532.539274][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.539274][T12167]      ___sys_sendmsg+0xee/0x170
[ 8532.539274][T12167]      __sys_sendmsg+0xcd/0x170
[ 8532.539274][T12167]      do_syscall_64+0xc6/0x1e0
[ 8532.539274][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.539274][T12167] 
[ 8542.662944][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8542.663411][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8542.663411][T12167]      netdev_get_by_index+0x5e/0x80
[ 8542.663411][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8542.663411][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8542.663411][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8542.663411][T12167]      ipv6_add_addr+0x411/0x2000
[ 8542.663411][T12167]      inet6_addr_add+0x30e/0xa40
[ 8542.663411][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8542.663411][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.663411][T12167]      netlink_rcv_skb+0x130/0x360
[ 8542.663411][T12167]      netlink_unicast+0x449/0x710
[ 8542.663411][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8542.663411][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.663411][T12167]      ___sys_sendmsg+0xee/0x170
[ 8542.663411][T12167]      __sys_sendmsg+0xcd/0x170
[ 8542.663411][T12167]      do_syscall_64+0xc6/0x1e0
[ 8542.663411][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.663411][T12167] 
[ 8542.665694][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8542.665694][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8542.665694][T12167]      ipv6_find_idev+0x102/0x170
[ 8542.665694][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8542.665694][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.665694][T12167]      netlink_rcv_skb+0x130/0x360
[ 8542.665694][T12167]      netlink_unicast+0x449/0x710
[ 8542.665694][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8542.665694][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.665694][T12167]      ___sys_sendmsg+0xee/0x170
[ 8542.665694][T12167]      __sys_sendmsg+0xcd/0x170
[ 8542.665694][T12167]      do_syscall_64+0xc6/0x1e0
[ 8542.665694][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.665694][T12167] 
[ 8542.667427][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8542.667427][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8542.667427][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8542.667427][T12167]      ipv6_find_idev+0x102/0x170
[ 8542.667427][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8542.667427][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.667427][T12167]      netlink_rcv_skb+0x130/0x360
[ 8542.667427][T12167]      netlink_unicast+0x449/0x710
[ 8542.667427][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8542.667427][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.667427][T12167]      ___sys_sendmsg+0xee/0x170
[ 8542.667427][T12167]      __sys_sendmsg+0xcd/0x170
[ 8542.667427][T12167]      do_syscall_64+0xc6/0x1e0
[ 8542.667427][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.667427][T12167] 
[ 8552.870827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8552.871338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8552.871338][T12167]      netdev_get_by_index+0x5e/0x80
[ 8552.871338][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8552.871338][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8552.871338][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8552.871338][T12167]      ipv6_add_addr+0x411/0x2000
[ 8552.871338][T12167]      inet6_addr_add+0x30e/0xa40
[ 8552.871338][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8552.871338][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.871338][T12167]      netlink_rcv_skb+0x130/0x360
[ 8552.871338][T12167]      netlink_unicast+0x449/0x710
[ 8552.871338][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8552.871338][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.871338][T12167]      ___sys_sendmsg+0xee/0x170
[ 8552.871338][T12167]      __sys_sendmsg+0xcd/0x170
[ 8552.871338][T12167]      do_syscall_64+0xc6/0x1e0
[ 8552.871338][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.871338][T12167] 
[ 8552.873598][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8552.873598][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8552.873598][T12167]      ipv6_find_idev+0x102/0x170
[ 8552.873598][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8552.873598][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.873598][T12167]      netlink_rcv_skb+0x130/0x360
[ 8552.873598][T12167]      netlink_unicast+0x449/0x710
[ 8552.873598][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8552.873598][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.873598][T12167]      ___sys_sendmsg+0xee/0x170
[ 8552.873598][T12167]      __sys_sendmsg+0xcd/0x170
[ 8552.873598][T12167]      do_syscall_64+0xc6/0x1e0
[ 8552.873598][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.873598][T12167] 
[ 8552.875335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8552.875335][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8552.875335][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8552.875335][T12167]      ipv6_find_idev+0x102/0x170
[ 8552.875335][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8552.875335][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.875335][T12167]      netlink_rcv_skb+0x130/0x360
[ 8552.875335][T12167]      netlink_unicast+0x449/0x710
[ 8552.875335][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8552.875335][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.875335][T12167]      ___sys_sendmsg+0xee/0x170
[ 8552.875335][T12167]      __sys_sendmsg+0xcd/0x170
[ 8552.875335][T12167]      do_syscall_64+0xc6/0x1e0
[ 8552.875335][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.875335][T12167] 
[ 8563.118823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8563.119267][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8563.119267][T12167]      netdev_get_by_index+0x5e/0x80
[ 8563.119267][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8563.119267][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8563.119267][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8563.119267][T12167]      ipv6_add_addr+0x411/0x2000
[ 8563.119267][T12167]      inet6_addr_add+0x30e/0xa40
[ 8563.119267][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8563.119267][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.119267][T12167]      netlink_rcv_skb+0x130/0x360
[ 8563.119267][T12167]      netlink_unicast+0x449/0x710
[ 8563.119267][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8563.119267][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.119267][T12167]      ___sys_sendmsg+0xee/0x170
[ 8563.119267][T12167]      __sys_sendmsg+0xcd/0x170
[ 8563.119267][T12167]      do_syscall_64+0xc6/0x1e0
[ 8563.119267][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.119267][T12167] 
[ 8563.121529][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8563.121529][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8563.121529][T12167]      ipv6_find_idev+0x102/0x170
[ 8563.121529][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8563.121529][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.121529][T12167]      netlink_rcv_skb+0x130/0x360
[ 8563.121529][T12167]      netlink_unicast+0x449/0x710
[ 8563.121529][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8563.121529][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.121529][T12167]      ___sys_sendmsg+0xee/0x170
[ 8563.121529][T12167]      __sys_sendmsg+0xcd/0x170
[ 8563.121529][T12167]      do_syscall_64+0xc6/0x1e0
[ 8563.121529][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.121529][T12167] 
[ 8563.123257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8563.123257][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8563.123257][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8563.123257][T12167]      ipv6_find_idev+0x102/0x170
[ 8563.123257][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8563.123257][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.123257][T12167]      netlink_rcv_skb+0x130/0x360
[ 8563.123257][T12167]      netlink_unicast+0x449/0x710
[ 8563.123257][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8563.123257][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.123257][T12167]      ___sys_sendmsg+0xee/0x170
[ 8563.123257][T12167]      __sys_sendmsg+0xcd/0x170
[ 8563.123257][T12167]      do_syscall_64+0xc6/0x1e0
[ 8563.123257][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.123257][T12167] 
[ 8573.366750][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8573.367269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8573.367269][T12167]      netdev_get_by_index+0x5e/0x80
[ 8573.367269][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8573.367269][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8573.367269][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8573.367269][T12167]      ipv6_add_addr+0x411/0x2000
[ 8573.367269][T12167]      inet6_addr_add+0x30e/0xa40
[ 8573.367269][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8573.367269][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.367269][T12167]      netlink_rcv_skb+0x130/0x360
[ 8573.367269][T12167]      netlink_unicast+0x449/0x710
[ 8573.367269][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8573.367269][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.367269][T12167]      ___sys_sendmsg+0xee/0x170
[ 8573.367269][T12167]      __sys_sendmsg+0xcd/0x170
[ 8573.367269][T12167]      do_syscall_64+0xc6/0x1e0
[ 8573.367269][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.367269][T12167] 
[ 8573.369604][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8573.369604][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8573.369604][T12167]      ipv6_find_idev+0x102/0x170
[ 8573.369604][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8573.369604][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.369604][T12167]      netlink_rcv_skb+0x130/0x360
[ 8573.369604][T12167]      netlink_unicast+0x449/0x710
[ 8573.369604][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8573.369604][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.369604][T12167]      ___sys_sendmsg+0xee/0x170
[ 8573.369604][T12167]      __sys_sendmsg+0xcd/0x170
[ 8573.369604][T12167]      do_syscall_64+0xc6/0x1e0
[ 8573.369604][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.369604][T12167] 
[ 8573.371383][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8573.371383][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8573.371383][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8573.371383][T12167]      ipv6_find_idev+0x102/0x170
[ 8573.371383][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8573.371383][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.371383][T12167]      netlink_rcv_skb+0x130/0x360
[ 8573.371383][T12167]      netlink_unicast+0x449/0x710
[ 8573.371383][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8573.371383][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.371383][T12167]      ___sys_sendmsg+0xee/0x170
[ 8573.371383][T12167]      __sys_sendmsg+0xcd/0x170
[ 8573.371383][T12167]      do_syscall_64+0xc6/0x1e0
[ 8573.371383][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.371383][T12167] 
[ 8583.614800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8583.615210][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8583.615210][T12167]      netdev_get_by_index+0x5e/0x80
[ 8583.615210][T12167]      fib6_nh_init+0x3d8/0x1580
[ 8583.615210][T12167]      ip6_route_info_create+0xf18/0x17d0
[ 8583.615210][T12167]      addrconf_f6i_alloc+0x315/0x560
[ 8583.615210][T12167]      ipv6_add_addr+0x411/0x2000
[ 8583.615210][T12167]      inet6_addr_add+0x30e/0xa40
[ 8583.615210][T12167]      inet6_rtm_newaddr+0x560/0x6b0
[ 8583.615210][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.615210][T12167]      netlink_rcv_skb+0x130/0x360
[ 8583.615210][T12167]      netlink_unicast+0x449/0x710
[ 8583.615210][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8583.615210][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.615210][T12167]      ___sys_sendmsg+0xee/0x170
[ 8583.615210][T12167]      __sys_sendmsg+0xcd/0x170
[ 8583.615210][T12167]      do_syscall_64+0xc6/0x1e0
[ 8583.615210][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.615210][T12167] 
[ 8583.617559][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8583.617559][T12167]      ipv6_add_dev+0x3ba/0x11c0
[ 8583.617559][T12167]      ipv6_find_idev+0x102/0x170
[ 8583.617559][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8583.617559][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.617559][T12167]      netlink_rcv_skb+0x130/0x360
[ 8583.617559][T12167]      netlink_unicast+0x449/0x710
[ 8583.617559][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8583.617559][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.617559][T12167]      ___sys_sendmsg+0xee/0x170
[ 8583.617559][T12167]      __sys_sendmsg+0xcd/0x170
[ 8583.617559][T12167]      do_syscall_64+0xc6/0x1e0
[ 8583.617559][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.617559][T12167] 
[ 8583.619368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at
[ 8583.619368][T12167]      neigh_parms_alloc+0x1e5/0x510
[ 8583.619368][T12167]      ipv6_add_dev+0x2fe/0x11c0
[ 8583.619368][T12167]      ipv6_find_idev+0x102/0x170
[ 8583.619368][T12167]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8583.619368][T12167]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.619368][T12167]      netlink_rcv_skb+0x130/0x360
[ 8583.619368][T12167]      netlink_unicast+0x449/0x710
[ 8583.619368][T12167]      netlink_sendmsg+0x723/0xbe0
[ 8583.619368][T12167]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.619368][T12167]      ___sys_sendmsg+0xee/0x170
[ 8583.619368][T12167]      __sys_sendmsg+0xcd/0x170
[ 8583.619368][T12167]      do_syscall_64+0xc6/0x1e0
[ 8583.619368][T12167]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.619368][T12167]